{"schemaVersion":1,"symbol":"ALK","days":90,"observations":[{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-19T19:59:25.607000+00:00","captured_at":"2026-10-20T03:49:26.754Z","last_trade_at":"2026-10-19T23:39:01.71538882Z","price":34.16,"iv_pct":54.227832918977505,"implied_move_pct":13.133245046432998,"put_call_skew_pp":4.375250823480659,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"0a18fb74a0a2d46e3e4eeb856c3a7370febcc2dfccbe69614055c93d520e5db4"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T13:31:35.246000+00:00","captured_at":"2026-10-20T13:32:28.087Z","last_trade_at":"2026-10-20T13:32:26.766262705Z","price":33.83,"iv_pct":55.35684413625022,"implied_move_pct":13.336723300092066,"put_call_skew_pp":-2.0515677895825313,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"9919b2063b6d64e5aedd20c165221b1da62c2ec9222b91367a8f040248dc1092"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T13:38:03.094000+00:00","captured_at":"2026-10-20T13:40:14.622Z","last_trade_at":"2026-10-20T13:40:00.610813267Z","price":34.215,"iv_pct":54.76275207618286,"implied_move_pct":12.983116630870075,"put_call_skew_pp":3.1128697038255937,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"73e6990cadfe330077ee195e3e1a262459346d19da3ad95960db60315b27cf48"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T13:47:30.699000+00:00","captured_at":"2026-10-20T13:47:56.537Z","last_trade_at":"2026-10-20T13:47:54.715518629Z","price":34.43,"iv_pct":55.099681467695326,"implied_move_pct":12.992327730070114,"put_call_skew_pp":1.477593537530475,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"a76b30913b4bda597393315b2f9cedfbb3bb20f8ec46216a8c72c91cce8393cb"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T13:53:39.858000+00:00","captured_at":"2026-10-20T13:55:39.971Z","last_trade_at":"2026-10-20T13:55:34.585725994Z","price":34.73,"iv_pct":56.93027434275276,"implied_move_pct":13.60328263899433,"put_call_skew_pp":4.280973320719028,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"97ae720fbbe2eecfb67bcebc68b8139d375151c11c788381cbaeaa1203af82c4"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T14:02:00.621000+00:00","captured_at":"2026-10-20T14:04:00.753Z","last_trade_at":"2026-10-20T14:03:55.308820109Z","price":34.68,"iv_pct":56.698690652818996,"implied_move_pct":13.405290255188046,"put_call_skew_pp":1.293980371139547,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"d6726cc9fb66b0f8958c74202e73f82e9f92fd27292a8ae467e3df18e947a32d"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T14:12:52.308000+00:00","captured_at":"2026-10-20T14:13:23.154Z","last_trade_at":"2026-10-20T14:13:21.626889388Z","price":34.78,"iv_pct":55.32737255028921,"implied_move_pct":13.082814501254218,"put_call_skew_pp":1.1682343095394065,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"c27c58b46a516c414d743374889e58b3274e4ce6c2e2ccc73729632f1cc0c172"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T14:25:00.852000+00:00","captured_at":"2026-10-20T14:25:13.012Z","last_trade_at":"2026-10-20T14:25:08.0479653Z","price":34.995,"iv_pct":54.64369878201977,"implied_move_pct":13.066338884250223,"put_call_skew_pp":2.87859245059241,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"58f9c3373b606b50cabf92391c0d6a1a3cf60bb922aafae86b30e706205e7148"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T14:33:07.721000+00:00","captured_at":"2026-10-20T14:33:08.031Z","last_trade_at":"2026-10-20T14:33:07.73407792Z","price":35.63,"iv_pct":54.066311192518725,"implied_move_pct":12.965377109660563,"put_call_skew_pp":1.7889066501445727,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"8feff917ff79cd22281c44e8e379bc00a3417d01efa5bb6e8603041415b168cc"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T14:39:43.841000+00:00","captured_at":"2026-10-20T14:40:52.504Z","last_trade_at":"2026-10-20T14:40:50.05700601Z","price":35.8,"iv_pct":55.133820251030194,"implied_move_pct":13.230256602645154,"put_call_skew_pp":4.438564321323247,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"a3e25d3c2b2299fba7704f7581bf48f97d67c5e970a17240e56ac2947c9f6c96"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T14:47:23.811000+00:00","captured_at":"2026-10-20T14:48:37.283Z","last_trade_at":"2026-10-20T14:48:33.813042693Z","price":35.315,"iv_pct":54.3364741366395,"implied_move_pct":12.910909083897486,"put_call_skew_pp":0.38881017035341525,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"438b6ab06508680927d02b6e1daf6e7dfa03abec2acd2f3f2b0ea122a1b533f0"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T14:54:12.651000+00:00","captured_at":"2026-10-20T14:56:20.656Z","last_trade_at":"2026-10-20T14:56:18.690882282Z","price":35.42,"iv_pct":54.75384681621478,"implied_move_pct":13.176274257365456,"put_call_skew_pp":2.4573288674086813,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"deb823979c6338e443902ebbde8fd2e72f0b2cf14319fe2b865c3f252dc60b40"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T15:04:22.724000+00:00","captured_at":"2026-10-20T15:04:38.245Z","last_trade_at":"2026-10-20T15:04:37.36489467Z","price":35.415,"iv_pct":55.37225034589007,"implied_move_pct":13.289009373500265,"put_call_skew_pp":2.3799914615915463,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"4d49d8d23dc30637e22e6bd0c8721fdb7ceb5bc65eab90f6297b8666d47949fb"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T15:07:51.816000+00:00","captured_at":"2026-10-20T15:09:49.378Z","last_trade_at":"2026-10-20T15:09:48.963398367Z","price":35.3401,"iv_pct":55.18980141534089,"implied_move_pct":13.19481473749696,"put_call_skew_pp":1.2570552744258445,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"663ce33fade32beee4b7aa83447366f1da9baf28b5bf234fa2041c866fd796e5"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T15:17:47.593000+00:00","captured_at":"2026-10-20T15:19:30.410Z","last_trade_at":"2026-10-20T15:19:21.850014474Z","price":34.98,"iv_pct":55.251100646262444,"implied_move_pct":13.145090834620868,"put_call_skew_pp":3.0417144007487074,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"2d8ad3627edb4a3d80fa3603c5cf09a14a6795879cca239dad53c6cdbe66ed9b"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T15:18:44.863000+00:00","captured_at":"2026-10-20T15:27:16.009Z","last_trade_at":"2026-10-20T15:27:14.368643563Z","price":35.06,"iv_pct":54.74644170763019,"implied_move_pct":13.059938667324406,"put_call_skew_pp":3.013431673926348,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"fd6272cdea260d58886d5e42b99b3a498c3d0da3e8cb6f963c30cf6bb81b1add"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T15:35:02.152000+00:00","captured_at":"2026-10-20T15:35:07.439Z","last_trade_at":"2026-10-20T15:35:06.507525846Z","price":34.82,"iv_pct":55.02434285404881,"implied_move_pct":13.039750386058838,"put_call_skew_pp":1.1201587301587268,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"725111b6c6ea6a8b45f1636e2a856bb2c6bbfe5233fbf5710d4d294bb50a8187"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T15:42:30.424000+00:00","captured_at":"2026-10-20T15:42:49.464Z","last_trade_at":"2026-10-20T15:42:47.966896414Z","price":34.635,"iv_pct":55.27892820333423,"implied_move_pct":13.014355869835251,"put_call_skew_pp":1.5853772329051719,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"ae32b7844de7aef28a74356a9af2138bd686aab072a12e35383b6e04b1ca5ab7"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T15:50:01.854000+00:00","captured_at":"2026-10-20T15:50:38.666Z","last_trade_at":"2026-10-20T15:50:35.673809756Z","price":34.81,"iv_pct":55.12404550260987,"implied_move_pct":13.103107005532511,"put_call_skew_pp":3.228302777872316,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"a44d05d13db293afb57139b78ce57dba53011752090b74e8c4996a5a43745c35"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T15:57:23.813000+00:00","captured_at":"2026-10-20T15:58:27.218Z","last_trade_at":"2026-10-20T15:58:21.378196451Z","price":34.57,"iv_pct":55.62151571745404,"implied_move_pct":13.074501588220395,"put_call_skew_pp":0.7772452253219098,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"c99db77d68e42aa4aadeb22aae133de14212df000cfa90caf850df14f039c3de"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T15:59:32.653000+00:00","captured_at":"2026-10-20T16:06:19.051Z","last_trade_at":"2026-10-20T16:06:09.34748396Z","price":34.66,"iv_pct":54.986817843386305,"implied_move_pct":13.019998499847743,"put_call_skew_pp":2.3724129448914666,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"274a8a5cf5477f303dcd7436748aff171421d384d3e4297439288e1709fcc093"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T16:16:55.350000+00:00","captured_at":"2026-10-20T16:21:53.860Z","last_trade_at":"2026-10-20T16:21:34.353187971Z","price":34.635,"iv_pct":54.93976287464448,"implied_move_pct":12.950659617627775,"put_call_skew_pp":1.3670829903297044,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"4ae77df8511f4ac74e51814330b2441c8ae80a42c67e6c8027fca253562a97a4"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T16:24:22.687000+00:00","captured_at":"2026-10-20T16:29:37.397Z","last_trade_at":"2026-10-20T16:29:22.224748504Z","price":34.75,"iv_pct":54.96715141995389,"implied_move_pct":13.046804108388187,"put_call_skew_pp":2.763080239632243,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"dc91c1ef36ce73c23b51087ea4ab1f90eaaa0855c36b22f97601c76c33d9da7b"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T16:30:27.767000+00:00","captured_at":"2026-10-20T16:37:21.198Z","last_trade_at":"2026-10-20T16:37:15.711138534Z","price":34.88,"iv_pct":55.22446406183047,"implied_move_pct":13.117513316122286,"put_call_skew_pp":3.7024580636276005,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"fed035c8c9a69618111ec514ebb6602d3934ddb0bbce76c06a07670b78dcda65"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T16:42:51.954000+00:00","captured_at":"2026-10-20T16:45:08.385Z","last_trade_at":"2026-10-20T16:45:06.135238415Z","price":34.76,"iv_pct":55.15012088431326,"implied_move_pct":13.032027337303118,"put_call_skew_pp":1.690366070717808,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"9e2c3888985593052733f95fa1853924493ef6fc4e8fdccfd58a19897d34cca7"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T16:51:50.500000+00:00","captured_at":"2026-10-20T16:52:54.262Z","last_trade_at":"2026-10-20T16:52:44.686379362Z","price":34.695,"iv_pct":54.98305575484126,"implied_move_pct":12.951870936452856,"put_call_skew_pp":0.5314850641219948,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"5bfa90aa7084046b69daf234caca9643778fae2ab7c0c81c5249ad4bdff73e93"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T16:54:57.717000+00:00","captured_at":"2026-10-20T17:00:48.365Z","last_trade_at":"2026-10-20T17:00:47.720944801Z","price":34.74,"iv_pct":55.506742443947,"implied_move_pct":13.157074446203598,"put_call_skew_pp":2.2705942490609643,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"7204c82fcef8e9cffedd2f03ccbb6b1b60b92694661d0a4d1574f33ec6835cb2"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T17:07:00.582000+00:00","captured_at":"2026-10-20T17:08:54.657Z","last_trade_at":"2026-10-20T17:08:26.888953697Z","price":34.7,"iv_pct":55.528501878651504,"implied_move_pct":13.125383998520256,"put_call_skew_pp":1.2174524709282597,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"761f6d9a9d67a4e449b5063e145e7152013e0eba3ea75a143544a18e7b841202"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T17:14:39.982000+00:00","captured_at":"2026-10-20T17:16:37.336Z","last_trade_at":"2026-10-20T17:16:37.03819801Z","price":34.77,"iv_pct":55.54766936056438,"implied_move_pct":13.15422825618823,"put_call_skew_pp":2.1411547161331868,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"a34a2ebcc735f5ae6267494c0525707818746bcba394ec5afd37135412a4bae4"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T17:23:45.109000+00:00","captured_at":"2026-10-20T17:24:30.617Z","last_trade_at":"2026-10-20T17:24:26.686924046Z","price":34.53,"iv_pct":55.04982655342188,"implied_move_pct":12.912611363887274,"put_call_skew_pp":0.5105110861407414,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"573a0207df338753846b4495f83aa8982e9a256a23633c6f7b0a11b32d4c4780"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T17:30:22.323000+00:00","captured_at":"2026-10-20T17:32:19.549Z","last_trade_at":"2026-10-20T17:32:10.687530677Z","price":34.57,"iv_pct":55.29067475405637,"implied_move_pct":13.025310570786125,"put_call_skew_pp":2.6763962824297494,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"b6d0d7c9e1fbe270f1c9e0f9b85b1e2dabd13f03dd91d314c677e9ddf773b6cc"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T17:33:41.436000+00:00","captured_at":"2026-10-20T17:40:04.624Z","last_trade_at":"2026-10-20T17:40:03.060110844Z","price":34.485,"iv_pct":55.06858805740038,"implied_move_pct":12.903713865730287,"put_call_skew_pp":1.7808712741069876,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"e3f961e68cb571a56b1b9b7446d2c07a6a70cb9c61414071bb3896d60e8cb1a9"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T17:39:09.246000+00:00","captured_at":"2026-10-20T17:47:58.460Z","last_trade_at":"2026-10-20T17:47:53.155311108Z","price":34.585,"iv_pct":55.94658513229048,"implied_move_pct":13.19038511883728,"put_call_skew_pp":2.1221934156086197,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"020fc7c67a0bdafa26e9226f473439397a05355a9661bb923e31df24f42ce425"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T17:54:10.468000+00:00","captured_at":"2026-10-20T17:55:47.038Z","last_trade_at":"2026-10-20T17:55:46.156746621Z","price":34.69,"iv_pct":55.52764266117593,"implied_move_pct":13.139299283524272,"put_call_skew_pp":2.435502356425745,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"50d010c5cd83c4be4efe3778ec18abb706737ba6f4eaae1066d11cc13b5b1215"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T18:09:12.594000+00:00","captured_at":"2026-10-20T18:11:56.216Z","last_trade_at":"2026-10-20T18:11:43.783532055Z","price":34.64,"iv_pct":55.52567051401554,"implied_move_pct":13.093383772541657,"put_call_skew_pp":2.267361739338092,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"478a202d85aee42140285c633b91649b52f7e47f0c7038e22a0d795e28294010"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T18:23:05.938000+00:00","captured_at":"2026-10-20T18:27:27.810Z","last_trade_at":"2026-10-20T18:27:27.058871191Z","price":34.61,"iv_pct":55.28629010447108,"implied_move_pct":13.05048787273096,"put_call_skew_pp":2.0109125340869505,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"97db609ba656c17a9d3603ba201850069c39cb06c07104d27ab3e8f9f380f805"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T18:33:00.185000+00:00","captured_at":"2026-10-20T18:35:10.249Z","last_trade_at":"2026-10-20T18:34:55.307900188Z","price":34.65,"iv_pct":55.80079498302464,"implied_move_pct":13.180310362045025,"put_call_skew_pp":2.013739874101539,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"d3800d168d06abeac26028ae6aedf1825614fb8623d815d535b7a558c022b105"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T18:37:41.920000+00:00","captured_at":"2026-10-20T18:42:58.408Z","last_trade_at":"2026-10-20T18:42:54.016396113Z","price":34.59,"iv_pct":55.2779558894418,"implied_move_pct":13.01842912210719,"put_call_skew_pp":1.488266949831707,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"bb90832100360570f0418db57385f467f81c321cf2c176491ec9e4a82be6b14d"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T18:47:46.504000+00:00","captured_at":"2026-10-20T18:50:46.320Z","last_trade_at":"2026-10-20T18:50:36.375123691Z","price":34.74,"iv_pct":55.00949357949618,"implied_move_pct":13.023579568204308,"put_call_skew_pp":1.9965239808387159,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"e514e5beefb1df75ff5500cb92076c55d7ebcaf3dd6c23a7d41d103cc2ddfefe"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T18:56:33.302000+00:00","captured_at":"2026-10-20T18:58:32.344Z","last_trade_at":"2026-10-20T18:58:17.898546273Z","price":34.725,"iv_pct":54.92904648390942,"implied_move_pct":12.976062492611302,"put_call_skew_pp":2.0014670387417,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"3cdfa0bdae6652c2045ee4c27dd5e8555a479328c6ec3c6f50c1fa668f1e9355"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T19:06:17.519000+00:00","captured_at":"2026-10-20T19:08:27.100Z","last_trade_at":"2026-10-20T19:08:21.048395107Z","price":34.87,"iv_pct":55.22140623018457,"implied_move_pct":13.143207648130687,"put_call_skew_pp":2.877063087485332,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"fb7a8c9d76c21b3d57cb5c7d64b4ad152ca796fa70589c78e0b701f3574b8312"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T19:13:29.789000+00:00","captured_at":"2026-10-20T19:16:14.437Z","last_trade_at":"2026-10-20T19:16:11.00517316Z","price":34.895,"iv_pct":55.22494102438087,"implied_move_pct":13.160124358141257,"put_call_skew_pp":3.6803289083177426,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"81a47c6e8efc0150142a2b9d40b7c890b08969787b30d0fe8d151a84b61cd156"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T19:21:43.330000+00:00","captured_at":"2026-10-20T19:23:57.222Z","last_trade_at":"2026-10-20T19:23:44.016150551Z","price":34.96,"iv_pct":54.91755001009311,"implied_move_pct":13.112162917718665,"put_call_skew_pp":3.909228142707555,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"d8565316a4e458382bda449130e2bdeeb03829dae35cddf29f4cd8c8f464f102"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T19:31:44.448000+00:00","captured_at":"2026-10-20T19:31:46.718Z","last_trade_at":"2026-10-20T19:31:46.301428351Z","price":35.06,"iv_pct":55.674929461694944,"implied_move_pct":13.282789967513372,"put_call_skew_pp":3.4498351565424246,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"81383a8a855155df0d87e7f3cac72d9bf101db6b7cc64765173b7b5b416e95b4"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T19:39:28.913000+00:00","captured_at":"2026-10-20T19:39:39.465Z","last_trade_at":"2026-10-20T19:39:39.256897676Z","price":34.93,"iv_pct":55.506802167520384,"implied_move_pct":13.209306011551384,"put_call_skew_pp":1.1538264633916828,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"6014b90e6edfdc51c966a521aad64adb4cce74bd7bff1224ea178fa10aa06578"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T19:46:31.799000+00:00","captured_at":"2026-10-20T19:47:23.844Z","last_trade_at":"2026-10-20T19:47:20.980316786Z","price":34.97,"iv_pct":55.87012746401536,"implied_move_pct":13.296558672961933,"put_call_skew_pp":2.1911709004124647,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"0bf72c93099b73de47a20fc7efacc76b0817ac112ef73da6c2dbf9af6abf1179"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T19:55:05.003000+00:00","captured_at":"2026-10-20T19:55:09.041Z","last_trade_at":"2026-10-20T19:55:08.773188044Z","price":34.71,"iv_pct":56.2618805013106,"implied_move_pct":13.232494072914609,"put_call_skew_pp":-0.31766766515425315,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"318a2ba9ee6fce826c26e9e91b67ebcb61e8f97a3e5806f8e9699cb69cc3964a"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-20T19:59:42.072000+00:00","captured_at":"2026-10-20T20:03:09.226Z","last_trade_at":"2026-10-20T20:01:14.350512901Z","price":34.7008,"iv_pct":55.61903959971324,"implied_move_pct":13.31637136427777,"put_call_skew_pp":4.451024248748658,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"ea7a9e43f29937119f42ed51bedcd3346f800c799905fa807a2ca7bc7d8f9f1f"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T13:32:27.248000+00:00","captured_at":"2026-10-21T13:37:08.259Z","last_trade_at":"2026-10-21T13:37:05.150283691Z","price":33.7825,"iv_pct":55.63515734793937,"implied_move_pct":12.955559555071627,"put_call_skew_pp":-0.7063624499041299,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"0be9c2ca3fda5d442354a2f773da0d91aa93edaa8881d5bae63a5f61d3431148"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T13:52:34.374000+00:00","captured_at":"2026-10-21T13:52:48.484Z","last_trade_at":"2026-10-21T13:52:46.620012656Z","price":34.9,"iv_pct":53.598408520750375,"implied_move_pct":12.686603866383193,"put_call_skew_pp":3.1153953009775304,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"1895d343fe2da28979d80ac5b61d511ee337ef1396a1c5ccf6937c87b7c10e7f"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T14:08:14.647000+00:00","captured_at":"2026-10-21T14:09:10.980Z","last_trade_at":"2026-10-21T14:09:09.113064684Z","price":35.51,"iv_pct":53.45188418739004,"implied_move_pct":12.631720554776019,"put_call_skew_pp":1.3165031830168261,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"bcd9e7fb1596259de495d95b54f39c77ff9c5b929522be9335406719116bd237"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T14:15:10.259000+00:00","captured_at":"2026-10-21T14:17:19.153Z","last_trade_at":"2026-10-21T14:17:18.802889727Z","price":35.335,"iv_pct":53.11520028011205,"implied_move_pct":12.520534525462148,"put_call_skew_pp":1.025488807674746,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"94ff5e65121fbd00c36474eb0b7935fdb1574ec75cc483bf0677b8d915578886"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T14:19:36.071000+00:00","captured_at":"2026-10-21T14:25:09.973Z","last_trade_at":"2026-10-21T14:25:09.446583974Z","price":35.3401,"iv_pct":51.56504619617039,"implied_move_pct":12.18534846144613,"put_call_skew_pp":-0.29760561705285404,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"b2288df2c12bdca03d8996b9be68053ddd3c21b2175ea946206d4bc03822467e"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T14:26:51.333000+00:00","captured_at":"2026-10-21T14:33:28.925Z","last_trade_at":"2026-10-21T14:33:28.352003699Z","price":35.295,"iv_pct":51.790139975729424,"implied_move_pct":12.234645599596542,"put_call_skew_pp":2.096321411368829,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"3fd49eb7adeb092791e688cfd3de425678916e276abc08f56a817294db827774"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T14:39:04.176000+00:00","captured_at":"2026-10-21T14:41:20.012Z","last_trade_at":"2026-10-21T14:41:19.236652773Z","price":34.935,"iv_pct":52.73372685217056,"implied_move_pct":12.286061512771097,"put_call_skew_pp":0.3589860300769798,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"9a5eea20c8118fe311facdcafd1870599e5ef6e638534befc3f32b5ac83e4a60"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T14:47:31.956000+00:00","captured_at":"2026-10-21T14:49:34.112Z","last_trade_at":"2026-10-21T14:49:29.907008001Z","price":35.26,"iv_pct":53.1704326410476,"implied_move_pct":12.57039793199882,"put_call_skew_pp":3.3645562775307445,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"71bfa0c4803267830aade0c9483af215e59e4b80e9132e979af5a02374ee0f64"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T14:52:49.861000+00:00","captured_at":"2026-10-21T14:58:29.559Z","last_trade_at":"2026-10-21T14:58:28.220568768Z","price":34.99,"iv_pct":51.91587106732685,"implied_move_pct":12.130014323915553,"put_call_skew_pp":0.6422611359335084,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"213df7b627b5ccf75a94a2b5ac1a602491b4882544e6e456a4cbd9a07cc6fe45"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T15:12:26.878000+00:00","captured_at":"2026-10-21T15:17:24.096Z","last_trade_at":"2026-10-21T15:17:07.123612779Z","price":34.81,"iv_pct":53.46009770382607,"implied_move_pct":12.450583095592851,"put_call_skew_pp":1.1356835503182672,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"9b75a4d7de6ddc6dec476ef542dbe5d743310bff68756a763708b07740db4333"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T15:26:19.636000+00:00","captured_at":"2026-10-21T15:28:21.753Z","last_trade_at":"2026-10-21T15:28:20.347127152Z","price":34.925,"iv_pct":51.48182968218933,"implied_move_pct":12.07349657572579,"put_call_skew_pp":1.8604858124004808,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"61f3b9764c6f0cc74ba06106fc2b6667fe3d2c99d1a9ed0885725ca84466e238"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T15:41:58.420000+00:00","captured_at":"2026-10-21T15:44:17.888Z","last_trade_at":"2026-10-21T15:44:11.271315685Z","price":35.07,"iv_pct":51.07242444668481,"implied_move_pct":11.965278841306286,"put_call_skew_pp":1.2301717823039127,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"ca98b139e9bc24d50f9d2baa2c28109eeba9609c740594393897ccbacf40d99b"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T15:55:07.143000+00:00","captured_at":"2026-10-21T15:56:54.075Z","last_trade_at":"2026-10-21T15:56:45.968256424Z","price":34.63,"iv_pct":51.1630805255804,"implied_move_pct":11.834811830121447,"put_call_skew_pp":0.7100453369205728,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"d209887ca9b3fd6a023a9787e623dd605b2f5b7461453a0fa487faea836fdac6"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T16:06:54.103000+00:00","captured_at":"2026-10-21T16:07:35.836Z","last_trade_at":"2026-10-21T16:07:34.914853272Z","price":34.86,"iv_pct":50.906936761758736,"implied_move_pct":11.859092882994748,"put_call_skew_pp":0.21208006433741655,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"4f7c89f7e53b6dd7eb30f575f8859cba5ad3cf1018ec8d455d990589581abc1f"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T16:10:10.036000+00:00","captured_at":"2026-10-21T16:17:45.878Z","last_trade_at":"2026-10-21T16:17:40.053424835Z","price":34.82,"iv_pct":50.897258902686595,"implied_move_pct":11.846333341765893,"put_call_skew_pp":0.9394660408757693,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"ca5054954253762dd6740af063214fba1dcfcb449d6511996a2022b670895107"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T16:22:28.232000+00:00","captured_at":"2026-10-21T16:27:57.676Z","last_trade_at":"2026-10-21T16:27:56.986075686Z","price":34.8,"iv_pct":51.1899683664216,"implied_move_pct":11.906713823554265,"put_call_skew_pp":1.4791468819246534,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"ff1465b035e534b1ea760968c23541c6fbf07a7a178130fe44548d8cee9103bc"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T16:26:06.042000+00:00","captured_at":"2026-10-21T16:38:15.518Z","last_trade_at":"2026-10-21T16:38:00.651224832Z","price":34.975,"iv_pct":51.73563260609528,"implied_move_pct":12.134931218515767,"put_call_skew_pp":2.0608409777970516,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"369bfe669baab81ebaf63f1b2dc9429bb12d30e0b909ec1b9ddffdcb2698bf5e"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T16:38:51.542000+00:00","captured_at":"2026-10-21T16:48:36.043Z","last_trade_at":"2026-10-21T16:48:31.650789594Z","price":35.3,"iv_pct":51.59269735580354,"implied_move_pct":12.106717883204595,"put_call_skew_pp":0.5335829443297135,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"840c5d7e839e3c7075f04b49cb938f7a241736e3cafff5072dafdf0ea4da8c1c"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T16:55:22.355000+00:00","captured_at":"2026-10-21T16:58:47.786Z","last_trade_at":"2026-10-21T16:58:45.26871537Z","price":35.43,"iv_pct":51.38318147618456,"implied_move_pct":12.13241327092245,"put_call_skew_pp":1.1312796190534824,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"99a38a783c2be9baea85256b8554049545f1650cada3e2f781ab769ec88e8f2a"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T16:59:55.103000+00:00","captured_at":"2026-10-21T17:14:03.674Z","last_trade_at":"2026-10-21T17:13:58.341238337Z","price":35.215,"iv_pct":52.12205559515324,"implied_move_pct":12.291653784627554,"put_call_skew_pp":-0.24424388093088334,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"e99bac65bd4f4eeaf87fe2f7c78566c92d14b671d36a62ee72658aa442f96d76"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T17:22:37.667000+00:00","captured_at":"2026-10-21T17:27:44.064Z","last_trade_at":"2026-10-21T17:27:34.021210137Z","price":34.99,"iv_pct":51.3469002546388,"implied_move_pct":12.006731233626898,"put_call_skew_pp":0.4190378333809086,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"637a4c5d26ed5a5bdb0b36dd1fb15ca7ec0c4259826ef208af259b93c3f7e3ab"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T17:36:31.473000+00:00","captured_at":"2026-10-21T17:38:10.581Z","last_trade_at":"2026-10-21T17:38:09.121173121Z","price":35.115,"iv_pct":50.121763748421074,"implied_move_pct":11.830413322456257,"put_call_skew_pp":0.9342321176285862,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"316a9a27d34a1713984304d383e3dbcca6ff367aefa7558ac288405658f66665"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T17:41:20.965000+00:00","captured_at":"2026-10-21T17:48:53.632Z","last_trade_at":"2026-10-21T17:48:30.361575374Z","price":35.22,"iv_pct":49.60064025346862,"implied_move_pct":11.658421876272056,"put_call_skew_pp":2.143039188428153,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"1bbf4a25fea4fe39ec21e9faa9dd9f14f512492360f0cdb4c0070c441089f251"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T17:57:57.891000+00:00","captured_at":"2026-10-21T17:59:34.049Z","last_trade_at":"2026-10-21T17:59:32.955959756Z","price":35.135,"iv_pct":50.027493240984,"implied_move_pct":11.72102663550047,"put_call_skew_pp":2.218821448013064,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"e7c6f407eb330632fa5fbe4c0ee801603882b424d3ec64adf18ffb8360706f14"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T18:10:00.029000+00:00","captured_at":"2026-10-21T18:11:10.255Z","last_trade_at":"2026-10-21T18:10:50.142661418Z","price":35.21,"iv_pct":50.580272504066734,"implied_move_pct":11.91681029556618,"put_call_skew_pp":2.1516665110894007,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"59b63404cc3f3a0a86c791c3cc40cf4846b1a7183bd0302dccccfb374594f7ed"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T18:19:41.514000+00:00","captured_at":"2026-10-21T18:21:50.827Z","last_trade_at":"2026-10-21T18:21:46.172814533Z","price":35.015,"iv_pct":51.14707378954899,"implied_move_pct":11.930125695209691,"put_call_skew_pp":0.6288454308849056,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"5ddf3425cdb07b5c2c9f81b4e4b43563ffb5a899091f8108bbc439657cea1b1c"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T18:24:26.516000+00:00","captured_at":"2026-10-21T18:32:06.602Z","last_trade_at":"2026-10-21T18:32:06.240335078Z","price":34.89,"iv_pct":50.49572038339374,"implied_move_pct":11.74649932679315,"put_call_skew_pp":0.9542827400680576,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"4d083d66c9a868c119000e118f8be8a9d686683af695c4e6f97aa7220d6b2864"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T18:42:03.097000+00:00","captured_at":"2026-10-21T18:42:22.090Z","last_trade_at":"2026-10-21T18:42:19.665397207Z","price":35.04,"iv_pct":49.8210847200557,"implied_move_pct":11.66251067865999,"put_call_skew_pp":1.8186797495604923,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"dac8dcf8c5d3d2de828489027c2dbc0fad4b8f4b73c3db4cb0b3eb62ca30a969"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T18:49:58.871000+00:00","captured_at":"2026-10-21T18:52:38.442Z","last_trade_at":"2026-10-21T18:52:36.563316563Z","price":34.715,"iv_pct":50.684257241832434,"implied_move_pct":11.751305929779225,"put_call_skew_pp":0.6725367947297056,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"5a213e4fdd331288f75722349ca02b5af27dcda9980d6e00dc7f75c670211a54"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T19:04:47.862000+00:00","captured_at":"2026-10-21T19:05:12.049Z","last_trade_at":"2026-10-21T19:05:11.220391893Z","price":33.81,"iv_pct":50.168952359682194,"implied_move_pct":11.886817542568577,"put_call_skew_pp":-0.20125009188672882,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"83773709e4f544e3bb49b535a99a37596e6f37c712258ae33511cdba15e5a72a"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T19:14:54.608000+00:00","captured_at":"2026-10-21T19:16:06.151Z","last_trade_at":"2026-10-21T19:16:04.169987649Z","price":33.77,"iv_pct":50.60315471373943,"implied_move_pct":11.941542537324043,"put_call_skew_pp":0.0013771674866380756,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"1d279e4eb06e67fe5f56bbab9f94ee77c343a47c0fed8175ca3bc658c82799c5"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T19:22:00.591000+00:00","captured_at":"2026-10-21T19:26:32.605Z","last_trade_at":"2026-10-21T19:26:22.298354358Z","price":33.965,"iv_pct":51.99496122066596,"implied_move_pct":12.222097374848218,"put_call_skew_pp":0.736295159155087,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"69063601e19468dcc8591718e411f940050458efc7fdc030d8ae6f6e4d474e9b"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T19:36:08.196000+00:00","captured_at":"2026-10-21T19:36:52.779Z","last_trade_at":"2026-10-21T19:36:43.979609206Z","price":33.71,"iv_pct":49.74879564463558,"implied_move_pct":11.7096320762125,"put_call_skew_pp":-0.27830241791646504,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"c8257afc2a6928346c91f86a306067b0497247a976bde07398aba1fa9dc491fd"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T19:44:02.230000+00:00","captured_at":"2026-10-21T19:47:10.339Z","last_trade_at":"2026-10-21T19:47:08.888801342Z","price":33.75,"iv_pct":51.42601764324105,"implied_move_pct":12.12224624298407,"put_call_skew_pp":1.0813782235449376,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"bf3332946164a8dffb11c76c5dc32711b8dc9b214710c481edc0a3a814173542"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T19:56:47.005000+00:00","captured_at":"2026-10-21T19:57:42.647Z","last_trade_at":"2026-10-21T19:57:40.931758786Z","price":33.59,"iv_pct":50.205534354246375,"implied_move_pct":11.97933393351815,"put_call_skew_pp":-2.15203269046389,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"f4802520c2c0478e07ed864ebc2b1edb05f2d0df4c4655c315001704694857fe"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-21T19:59:41.145000+00:00","captured_at":"2026-10-21T20:09:07.060Z","last_trade_at":"2026-10-21T20:01:12.880883961Z","price":33.7107,"iv_pct":50.567972954046816,"implied_move_pct":12.113218672022873,"put_call_skew_pp":1.7830457733262195,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"67bcc5c6f6b51fa46a0aab61184b55e768736acc63e30a9f34fe1f59d93aca3e"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-22T19:49:58.554000+00:00","captured_at":"2026-10-22T21:19:27.899Z","last_trade_at":"2026-10-22T20:55:38.64810076Z","price":34.95,"iv_pct":52.691503768382354,"implied_move_pct":11.862106054868299,"put_call_skew_pp":-5.071914515331411,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"d2c59be32afc4094d7c1fee91195731306cbd65d13a046ce6f7b756d555ca057"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-23T19:58:30.078000+00:00","captured_at":"2026-10-23T21:30:41.915Z","last_trade_at":"2026-10-23T20:52:25.601117648Z","price":34.569,"iv_pct":53.374852455517484,"implied_move_pct":12.043891993364506,"put_call_skew_pp":3.796825081410282,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"40672cd1c2904eab671b170045e88828b4d7d5367118442a8973849e8ab54564"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-26T14:24:58.461000+00:00","captured_at":"2026-10-26T14:32:27.269Z","last_trade_at":"2026-10-26T14:32:22.264711925Z","price":34.86,"iv_pct":54.58207997296689,"implied_move_pct":11.749202906951723,"put_call_skew_pp":1.4739256449498694,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"35f42b3c3078a820daa9334043fcee078060553a9ba5829e4d22b60bfc1ca632"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-26T19:55:12.378000+00:00","captured_at":"2026-10-27T03:06:40.398Z","last_trade_at":"2026-10-26T23:53:41.877778512Z","price":35.1,"iv_pct":52.861971483529544,"implied_move_pct":11.422590803493781,"put_call_skew_pp":4.202418619480309,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"62c9d4a418d93d087faa030113057faccba402b95a49a7c6eb803dfbbffe1b5c"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-27T19:31:31.545000+00:00","captured_at":"2026-10-27T19:41:08.430Z","last_trade_at":"2026-10-27T19:41:05.965389885Z","price":35.97,"iv_pct":51.91945207444712,"implied_move_pct":11.013690163785682,"put_call_skew_pp":1.7557496837562248,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"9c626f93ab8cdbcae1443b1c4455ec28964def61ad64e834beee37d795e8428a"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-27T19:55:07.456000+00:00","captured_at":"2026-10-28T01:31:33.491Z","last_trade_at":"2026-10-27T23:00:00.002910536Z","price":35.91,"iv_pct":51.61669573857623,"implied_move_pct":10.954547359438319,"put_call_skew_pp":0.8068035068257706,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"7a36e7c6006a8890253b79aa5be4531ac231779fa3b0362f9757f6d90f54c6e5"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-28T19:59:54.526000+00:00","captured_at":"2026-10-28T22:14:54.397Z","last_trade_at":"2026-10-28T20:45:56.203793014Z","price":35.6,"iv_pct":52.0883522796846,"implied_move_pct":10.87681930660061,"put_call_skew_pp":2.270725877368296,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"2e32e8e57f2e384e20646f60c00c1aca87d468f9d8834e2d918ad5ed01379889"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-29T19:56:17.430000+00:00","captured_at":"2026-10-30T00:50:10.583Z","last_trade_at":"2026-10-29T23:56:29.560927388Z","price":35.94,"iv_pct":51.45680379818642,"implied_move_pct":10.422115775374623,"put_call_skew_pp":-1.1061984152547777,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"5ec508b03cb998ea6fb1d396b523c9c04bb5e6b99fbaa58580b5ed8f83e6b170"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-10-30T19:59:47.746000+00:00","captured_at":"2026-10-30T23:34:05.979Z","last_trade_at":"2026-10-30T23:00:00.003505391Z","price":35.71,"iv_pct":53.379169146385564,"implied_move_pct":10.736571054748147,"put_call_skew_pp":5.920526913724034,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"3c4c1e5f5e34a229bc5c5d5450c664e93cedda0cfc5443a327f5181f209fdb15"},{"symbol":"ALK","expiry":"2026-11-20","observed_at":"2026-11-03T20:59:20.963000+00:00","captured_at":"2026-11-04T03:59:58.867Z","last_trade_at":"2026-11-04T00:32:50.665986952Z","price":36.82,"iv_pct":58.34955226615,"implied_move_pct":10.233981125888171,"put_call_skew_pp":-1.7040566596194462,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ALK","source_hash":"7cf2c208b9aa91fbc4cc584f9124a985046c4a1b7f0561a16d4700085559ed90"}],"dailyIv":[{"symbol":"ALK","date":"2026-08-10","iv_pct":52.21500581929338,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":53.40371271225332,"put_iv_pct":48.331125541125544},{"expiry":"2026-09-18","call_iv_pct":53.01682692307692,"put_iv_pct":50.28259860788863},{"expiry":"2026-10-16","call_iv_pct":53.52719026548672,"put_iv_pct":51.76706140350878},{"expiry":"2026-12-18","call_iv_pct":55.03588441330998,"put_iv_pct":52.35564668769717}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"e71b038fc893fe0f2c45f472d4e7b6808512cd5aa07b0c3e6c7b50b75690e801","captured_at":"2026-10-21T21:54:30.779042+00:00","observed_at":"2026-08-10T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"8905e94d62832f487b35576c1b573cf1b07d71f5347545ab3ae62871ac358eb5"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-08-21","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"977d75cbbfee3c1c218297704b9185b2baa8e9003ac937808e7fc5e2d49db730"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c83f81b272be2f6ca6b7b8bf5bd8e1e6d99bbba347a58c1002688fd20de8626b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"9741cb5a51cab0b5024a457055a8f9a16f8c4eb497b53b7bc9a84513eb06f74d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8df2b53f7c889c25439371bc11eaae1ff9577108ed1f5e04e3e067a9c838ae80"}]},{"symbol":"ALK","date":"2026-08-11","iv_pct":49.05520410863384,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":49.18302289483896,"put_iv_pct":43.80022435897436},{"expiry":"2026-09-18","call_iv_pct":49.14549689440994,"put_iv_pct":45.517100719424455},{"expiry":"2026-10-16","call_iv_pct":51.16748132337246,"put_iv_pct":48.87288343558282},{"expiry":"2026-12-18","call_iv_pct":53.535423242467715,"put_iv_pct":51.22}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"837ae4e39c30bbfa87c98a797d966cea39f7a298ad5029dc66211274094cd4dd","captured_at":"2026-10-21T21:54:30.263175+00:00","observed_at":"2026-08-11T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"ef864dc167e19cc48e33d0e14229f61002580b5dae93076b21828c9365e5841c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-08-21","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"977d75cbbfee3c1c218297704b9185b2baa8e9003ac937808e7fc5e2d49db730"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c83f81b272be2f6ca6b7b8bf5bd8e1e6d99bbba347a58c1002688fd20de8626b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"9741cb5a51cab0b5024a457055a8f9a16f8c4eb497b53b7bc9a84513eb06f74d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8df2b53f7c889c25439371bc11eaae1ff9577108ed1f5e04e3e067a9c838ae80"}]},{"symbol":"ALK","date":"2026-08-12","iv_pct":48.20069436109212,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":48.704861325115566,"put_iv_pct":43.392272727272726},{"expiry":"2026-09-18","call_iv_pct":47.59722987672227,"put_iv_pct":45.01},{"expiry":"2026-10-16","call_iv_pct":50.50230927835051,"put_iv_pct":48.49557956777996},{"expiry":"2026-12-18","call_iv_pct":52.92214028776978,"put_iv_pct":48.98116182572614}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"df1ef79b69b51396d354ea39abbc9e32f7442b771fe2437589f7a375c26d3627","captured_at":"2026-10-21T21:54:29.745920+00:00","observed_at":"2026-08-12T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"d79b8323b1f5e4e16c2e8e01f655d59714db6cd20b22e20bd61d0a38abb1f048"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-08-21","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"977d75cbbfee3c1c218297704b9185b2baa8e9003ac937808e7fc5e2d49db730"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c83f81b272be2f6ca6b7b8bf5bd8e1e6d99bbba347a58c1002688fd20de8626b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"9741cb5a51cab0b5024a457055a8f9a16f8c4eb497b53b7bc9a84513eb06f74d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8df2b53f7c889c25439371bc11eaae1ff9577108ed1f5e04e3e067a9c838ae80"}]},{"symbol":"ALK","date":"2026-08-13","iv_pct":48.353541004348756,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":48.65517523364486,"put_iv_pct":44.055042333019756},{"expiry":"2026-09-18","call_iv_pct":48.000524842547236,"put_iv_pct":45.073947895791584},{"expiry":"2026-10-16","call_iv_pct":50.33178787878788,"put_iv_pct":48.118893241919686},{"expiry":"2026-12-18","call_iv_pct":52.5683676703645,"put_iv_pct":50.0245889387145}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"8ebf5131959cd01cc47b01ba8ee0234a274a9fb700effaa7c116fd39b37e4554","captured_at":"2026-10-21T21:54:29.226346+00:00","observed_at":"2026-08-13T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"37418f7bf88177103a49475a9b3d498dbb496ab34b6884bcce618d7ac015d38f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-08-21","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"977d75cbbfee3c1c218297704b9185b2baa8e9003ac937808e7fc5e2d49db730"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c83f81b272be2f6ca6b7b8bf5bd8e1e6d99bbba347a58c1002688fd20de8626b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"9741cb5a51cab0b5024a457055a8f9a16f8c4eb497b53b7bc9a84513eb06f74d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8df2b53f7c889c25439371bc11eaae1ff9577108ed1f5e04e3e067a9c838ae80"}]},{"symbol":"ALK","date":"2026-08-14","iv_pct":46.56123369953334,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":42.07424474730267,"put_iv_pct":42.60927894283252},{"expiry":"2026-09-18","call_iv_pct":44.707817947062615,"put_iv_pct":44.547194337194334},{"expiry":"2026-10-16","call_iv_pct":50.031349514563104,"put_iv_pct":48.14476190476191},{"expiry":"2026-12-18","call_iv_pct":50.4984375,"put_iv_pct":49.87678470254958}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"77c53a984eb9575c953038c8dcecc349d01ebcded7dc13069d6bf4fcff307cf5","captured_at":"2026-10-21T21:54:28.708574+00:00","observed_at":"2026-08-14T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"5f2f217a4761d87ef16260aa2f19c446822ce28ec0719d25de023e6a4630c402"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-08-21","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"977d75cbbfee3c1c218297704b9185b2baa8e9003ac937808e7fc5e2d49db730"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c83f81b272be2f6ca6b7b8bf5bd8e1e6d99bbba347a58c1002688fd20de8626b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"9741cb5a51cab0b5024a457055a8f9a16f8c4eb497b53b7bc9a84513eb06f74d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8df2b53f7c889c25439371bc11eaae1ff9577108ed1f5e04e3e067a9c838ae80"}]},{"symbol":"ALK","date":"2026-08-17","iv_pct":49.23442258416668,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":51.794835798445725,"put_iv_pct":49.38337870685464},{"expiry":"2026-09-18","call_iv_pct":46.088347406513876,"put_iv_pct":45.806938775510204},{"expiry":"2026-10-16","call_iv_pct":49.63407476635514,"put_iv_pct":48.3715666965085},{"expiry":"2026-12-18","call_iv_pct":51.67869031377899,"put_iv_pct":51.11754820936639}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1ed880444113498a177f86aef29011d9e920c0ad22a15e77d4b7942f3eff1e09","captured_at":"2026-10-21T21:54:18.479794+00:00","observed_at":"2026-08-17T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"494959723f2c853c6db5297dde7ac6a99ae1f47e53049b366d93aab1bc9c14d4"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-08-21","start_date":"2026-08-15","end_date":"2026-08-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"762a3cea31004b496f2ffaa796632bea230291e0ff8c5b1548a8649ba33b8fab"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fcfe6d86cfa94b58a232881a70381b620dbef5a74e8db16111e18ced46943484"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"de4188353934372548fafd763d16a63946861b7fe44365db38de5261ea99decd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e4e1195c419ec726512374789462ee3b84cbbac27d9a276c5922a514547a6795"}]},{"symbol":"ALK","date":"2026-08-18","iv_pct":49.77370079785316,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":56.52298325722982,"put_iv_pct":46.77175242718447},{"expiry":"2026-09-18","call_iv_pct":47.11215965346535,"put_iv_pct":46.782397025171626},{"expiry":"2026-10-16","call_iv_pct":49.881161971830984,"put_iv_pct":49.1151403508772},{"expiry":"2026-12-18","call_iv_pct":51.40478092783505,"put_iv_pct":50.59923076923077}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"17a1f338ed62d1c2ca16cf8f8161b3d2a5e4445f9698fcdcb1c44802a2c0806b","captured_at":"2026-10-21T21:54:17.964063+00:00","observed_at":"2026-08-18T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"a08f4fd57e01eb782b637cd4c38f78db774b783dc5dac904e7d2ea07ee1d7a45"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-08-21","start_date":"2026-08-15","end_date":"2026-08-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"762a3cea31004b496f2ffaa796632bea230291e0ff8c5b1548a8649ba33b8fab"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fcfe6d86cfa94b58a232881a70381b620dbef5a74e8db16111e18ced46943484"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"de4188353934372548fafd763d16a63946861b7fe44365db38de5261ea99decd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e4e1195c419ec726512374789462ee3b84cbbac27d9a276c5922a514547a6795"}]},{"symbol":"ALK","date":"2026-08-21","iv_pct":50.24660066483424,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":48.27223463687151,"put_iv_pct":47.19503010399562},{"expiry":"2026-10-16","call_iv_pct":50.81181518151815,"put_iv_pct":49.37008807045636},{"expiry":"2026-12-18","call_iv_pct":52.394907063197024,"put_iv_pct":51.38142487046632},{"expiry":"2027-01-15","call_iv_pct":51.51871508379888,"put_iv_pct":51.028590308370035}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"b8eef95c6dd9ebe335819f0cd1e65ba0e4bf2fc1ee5a48373cd6388ac1ed902c","captured_at":"2026-10-21T21:54:13.143041+00:00","observed_at":"2026-08-21T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"7dc826ccab25d8c3f09ca6a6fa943feb2583f05a7eb5bf6c03e62bee83b65969"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fcfe6d86cfa94b58a232881a70381b620dbef5a74e8db16111e18ced46943484"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"de4188353934372548fafd763d16a63946861b7fe44365db38de5261ea99decd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e4e1195c419ec726512374789462ee3b84cbbac27d9a276c5922a514547a6795"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a2b0215e45cec16301bca359e805513692023773a5b446fd136d1340510134d7"}]},{"symbol":"ALK","date":"2026-08-24","iv_pct":51.180140732684116,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":49.17813762971054,"put_iv_pct":48.24350793650793},{"expiry":"2026-10-16","call_iv_pct":51.80278008298755,"put_iv_pct":50.63589660743134},{"expiry":"2026-12-18","call_iv_pct":52.45351387054161,"put_iv_pct":51.375057034220525},{"expiry":"2027-01-15","call_iv_pct":53.83171875,"put_iv_pct":51.92051395007342}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"f97d15f99ab08aa7a5efdb350ce6a1ca8c04bec7c5aadda01c2a686f95374ae1","captured_at":"2026-10-21T21:54:02.342839+00:00","observed_at":"2026-08-24T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"fab1cd61fb1ad72423f0014af75985818e06c46b1c96f5c24e07f3e62105c53c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c80847166a39ad884e93c566552badb3a68a18f782703c8e7c395d6076f82891"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d67b1892340e82b1fc042134e903e064ad267980b2a8e260945e48a3d2cac9bf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c905759b651ec7f4f186a16ae0aac17f07d61ee7a0717560b25b981e1eb0dc8f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"082c739435f22b6c78119988ce311bce10dddef5fd936846cb92c20b57112bd1"}]},{"symbol":"ALK","date":"2026-08-25","iv_pct":50.06135291958284,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":45.05555779909137,"put_iv_pct":47.695511087074095},{"expiry":"2026-10-16","call_iv_pct":49.800774354704416,"put_iv_pct":51.4194006849315},{"expiry":"2026-12-18","call_iv_pct":50.56478097622027,"put_iv_pct":52.40088042049934},{"expiry":"2027-01-15","call_iv_pct":51.813434650455925,"put_iv_pct":51.740483383685806}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"661c694ccc805ac8cf35c987ba730082c6fe51155b57642ef61ca57573754c51","captured_at":"2026-10-21T21:54:01.824855+00:00","observed_at":"2026-08-25T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"004077629dd03e0d856b57dc5e6caec9264d7f508a30b1cb80e928ab08516d30"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c80847166a39ad884e93c566552badb3a68a18f782703c8e7c395d6076f82891"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d67b1892340e82b1fc042134e903e064ad267980b2a8e260945e48a3d2cac9bf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c905759b651ec7f4f186a16ae0aac17f07d61ee7a0717560b25b981e1eb0dc8f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"082c739435f22b6c78119988ce311bce10dddef5fd936846cb92c20b57112bd1"}]},{"symbol":"ALK","date":"2026-08-26","iv_pct":50.59046078261496,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":48.931295896328294,"put_iv_pct":49.464909808342725},{"expiry":"2026-10-16","call_iv_pct":52.46372132540357,"put_iv_pct":50.90778242677823},{"expiry":"2026-12-18","call_iv_pct":51.13236942675159,"put_iv_pct":49.93204009433963},{"expiry":"2027-01-15","call_iv_pct":51.49740425531915,"put_iv_pct":50.39416302765648}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"85c92e2b9892845d9b4375c3e7be61986ddf7ab92cb1ea4c37ff39ac079da4e8","captured_at":"2026-10-21T21:54:01.306256+00:00","observed_at":"2026-08-26T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"cc49fc62a48b141a20d4d17ee8a96849037b49214ab15d957386903303e81e3a"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c80847166a39ad884e93c566552badb3a68a18f782703c8e7c395d6076f82891"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d67b1892340e82b1fc042134e903e064ad267980b2a8e260945e48a3d2cac9bf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c905759b651ec7f4f186a16ae0aac17f07d61ee7a0717560b25b981e1eb0dc8f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"082c739435f22b6c78119988ce311bce10dddef5fd936846cb92c20b57112bd1"}]},{"symbol":"ALK","date":"2026-08-27","iv_pct":49.287627890287,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":45.80424897119342,"put_iv_pct":46.28172827172827},{"expiry":"2026-10-16","call_iv_pct":51.82030100334448,"put_iv_pct":50.76225913621262},{"expiry":"2026-12-18","call_iv_pct":51.68396704689481,"put_iv_pct":49.0775},{"expiry":"2027-01-15","call_iv_pct":50.646904109589045,"put_iv_pct":48.22411458333333}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"947dfede4be3dde21adfe9e961574172dacc124ef01d21b88a4edacd51479d56","captured_at":"2026-10-21T21:54:00.774580+00:00","observed_at":"2026-08-27T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"bebb94a919236e318a5d670a29519b3514b3d22b32f45aaf058c1ea7ca5b19b1"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c80847166a39ad884e93c566552badb3a68a18f782703c8e7c395d6076f82891"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d67b1892340e82b1fc042134e903e064ad267980b2a8e260945e48a3d2cac9bf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c905759b651ec7f4f186a16ae0aac17f07d61ee7a0717560b25b981e1eb0dc8f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"082c739435f22b6c78119988ce311bce10dddef5fd936846cb92c20b57112bd1"}]},{"symbol":"ALK","date":"2026-08-28","iv_pct":49.971252294619006,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":48.64046092184368,"put_iv_pct":44.82384838242395},{"expiry":"2026-10-16","call_iv_pct":52.604765217391304,"put_iv_pct":50.49549717057397},{"expiry":"2026-12-18","call_iv_pct":51.969365671641796,"put_iv_pct":49.96788095238095},{"expiry":"2027-01-15","call_iv_pct":52.293646112600534,"put_iv_pct":48.97455392809588}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"da032a6337022f35f3eed8d5fa41c8775cdd6903b2373def748eca479551e7ac","captured_at":"2026-10-21T21:54:00.237813+00:00","observed_at":"2026-08-28T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"9cedf6aea64a88755f5d4c4a53fa6df7e9634eae82440918c467db9721991ae2"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c80847166a39ad884e93c566552badb3a68a18f782703c8e7c395d6076f82891"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d67b1892340e82b1fc042134e903e064ad267980b2a8e260945e48a3d2cac9bf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c905759b651ec7f4f186a16ae0aac17f07d61ee7a0717560b25b981e1eb0dc8f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"082c739435f22b6c78119988ce311bce10dddef5fd936846cb92c20b57112bd1"}]},{"symbol":"ALK","date":"2026-08-31","iv_pct":50.082631621839525,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":47.09528318584071,"put_iv_pct":46.52759548611111},{"expiry":"2026-10-16","call_iv_pct":51.97612828438949,"put_iv_pct":50.50786576168929},{"expiry":"2026-12-18","call_iv_pct":52.13331218274112,"put_iv_pct":50.61334963325182},{"expiry":"2027-01-15","call_iv_pct":51.671459459459456,"put_iv_pct":50.136058981233234}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"51beb471f853111610c6d1b95a874e5665e5c0b65c087374dee67086a5b3aaf3","captured_at":"2026-10-21T21:53:48.630974+00:00","observed_at":"2026-08-31T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"f9613ef729853444f5fbc8055d5c6e5d0407ec06d096021ca82caa681eabb315"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-08-29","end_date":"2026-08-31","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"afab951af352f3b8db8ad84859d32b333ccfcdf14b3b3736c02edd2d5108dcbb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-08-29","end_date":"2026-08-31","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"050642469082fd47b67506a527f219369e6e604184cccc44ac7adf885c0866c8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-08-29","end_date":"2026-08-31","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"afa83bad3a3ab0366fa88338d0779f87e2a5b190c650eb474f16fadf5bc74922"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-08-29","end_date":"2026-08-31","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"042d85c9b7d4b5d647dd2a361b94fcc8b5511876b5ef581894b2ff7febdc12db"}]},{"symbol":"ALK","date":"2026-09-01","iv_pct":50.22525997299006,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":47.905222363405336,"put_iv_pct":47.16552586206896},{"expiry":"2026-10-16","call_iv_pct":52.546823438704706,"put_iv_pct":51.05376594148537},{"expiry":"2026-12-18","call_iv_pct":50.62440506329114,"put_iv_pct":51.51963636363636},{"expiry":"2027-01-15","call_iv_pct":50.84819607843137,"put_iv_pct":50.1385046728972}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"038cdd3fccde90f30e107c5583e88542726f33d3a4b69eb0ec173c8787859d7a","captured_at":"2026-10-21T21:53:43.356330+00:00","observed_at":"2026-09-01T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"a2176ea47ce56a4fec5aa084410b4397a7a5d47365baf8daa7cdde316cb2134f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0897d3cb2b8f7ecf9fcdeb0ec767d34f9b194c3fdc5e9fd88614ffcc0b6b27d0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d8a5ed847b9a7aaefb9dd31f4e7a1385945f9616bbaf14f9303d8623d037f3bf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"13249a16c387b794fb8429eceac68c9e0886a03db3a797b442f9f0ccc2d1b6f0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d494647d8d85c49b8781755dde8b4201ee02f3f773d6084da404837174af5f8f"}]},{"symbol":"ALK","date":"2026-09-02","iv_pct":49.62993379163081,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":50.4008988764045,"put_iv_pct":45.86458416235575},{"expiry":"2026-10-16","call_iv_pct":52.373081664098606,"put_iv_pct":49.22761421319797},{"expiry":"2026-12-18","call_iv_pct":52.2341837968561,"put_iv_pct":48.87713004484306},{"expiry":"2027-01-15","call_iv_pct":50.28938271604938,"put_iv_pct":47.772594859241124}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"bc0ba2294dfff2dd3c9e91e770b6507cc9c3633750e48b411575d923b888fd05","captured_at":"2026-10-21T21:53:42.835689+00:00","observed_at":"2026-09-02T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"5b14173a0c172131bb1d6aa3106b4ede970cff9eccdeeeb55f64176e66b27d8f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0897d3cb2b8f7ecf9fcdeb0ec767d34f9b194c3fdc5e9fd88614ffcc0b6b27d0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d8a5ed847b9a7aaefb9dd31f4e7a1385945f9616bbaf14f9303d8623d037f3bf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"13249a16c387b794fb8429eceac68c9e0886a03db3a797b442f9f0ccc2d1b6f0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d494647d8d85c49b8781755dde8b4201ee02f3f773d6084da404837174af5f8f"}]},{"symbol":"ALK","date":"2026-09-03","iv_pct":49.08420170013797,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":47.221602745256355,"put_iv_pct":46.680027855153206},{"expiry":"2026-10-16","call_iv_pct":50.134301075268816,"put_iv_pct":49.75093256814921},{"expiry":"2026-12-18","call_iv_pct":50.02303944315545,"put_iv_pct":50.11931924882629},{"expiry":"2027-01-15","call_iv_pct":49.94239842726081,"put_iv_pct":48.801992238033634}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"462a794272d312b9fdead0291a18182856fdd4805c7b01b60a872fcd8c3c7b7d","captured_at":"2026-10-21T21:53:42.309714+00:00","observed_at":"2026-09-03T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"e32135b97dd0b6d1a07f119f2eb06d246884efef70513182efe505a60ee1c935"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0897d3cb2b8f7ecf9fcdeb0ec767d34f9b194c3fdc5e9fd88614ffcc0b6b27d0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d8a5ed847b9a7aaefb9dd31f4e7a1385945f9616bbaf14f9303d8623d037f3bf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"13249a16c387b794fb8429eceac68c9e0886a03db3a797b442f9f0ccc2d1b6f0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d494647d8d85c49b8781755dde8b4201ee02f3f773d6084da404837174af5f8f"}]},{"symbol":"ALK","date":"2026-09-04","iv_pct":48.59380708501542,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":46.65874948411061,"put_iv_pct":45.44518561484919},{"expiry":"2026-10-16","call_iv_pct":49.978895612708016,"put_iv_pct":48.3375},{"expiry":"2026-12-18","call_iv_pct":50.54428238039673,"put_iv_pct":49.45215777262181},{"expiry":"2027-01-15","call_iv_pct":50.10130606860158,"put_iv_pct":48.23237974683544}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"beecfece15097bbe31474e8fee3576dc48db8109f11fd1623de3a97a54531209","captured_at":"2026-10-21T21:53:41.768731+00:00","observed_at":"2026-09-04T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"5e645de3f6b83398ff3eeee0b579a28894b3481c901c717e00b6a4e6c38cf748"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0897d3cb2b8f7ecf9fcdeb0ec767d34f9b194c3fdc5e9fd88614ffcc0b6b27d0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d8a5ed847b9a7aaefb9dd31f4e7a1385945f9616bbaf14f9303d8623d037f3bf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"13249a16c387b794fb8429eceac68c9e0886a03db3a797b442f9f0ccc2d1b6f0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d494647d8d85c49b8781755dde8b4201ee02f3f773d6084da404837174af5f8f"}]},{"symbol":"ALK","date":"2026-09-08","iv_pct":51.968200667779044,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":53.399116541353386,"put_iv_pct":53.15680634201586},{"expiry":"2026-10-16","call_iv_pct":54.35087896253602,"put_iv_pct":51.13923658872077},{"expiry":"2026-12-18","call_iv_pct":53.10572996706915,"put_iv_pct":49.216206896551725},{"expiry":"2027-01-15","call_iv_pct":51.77503968253968,"put_iv_pct":49.602590361445785}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"52ab8383cb0db4496c1bdf4b56cae74ca8cdf1ec401e8f18992b8ec0a1e676f5","captured_at":"2026-10-21T21:53:30.913582+00:00","observed_at":"2026-09-08T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"abaed779987c6360a132c54690a020d6a52ecbef021072f23564759e798ca980"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"321cd860c1241026baf4f77eed0d29bb5ab7c30e286c77a7c552ba9e852b0061"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c0437593e4220385022fd1d639ed39a6c54decf70424b364edbd86fdab49f847"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"16b4da64db3cac7c2bbf75b2730cd4100811fc5279025189ea8334edb8675db2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"abb6d92d7a0742a4ba14328ed806b0816315cbb8ef6903751513217d2af8bcaf"}]},{"symbol":"ALK","date":"2026-09-09","iv_pct":51.455616422071856,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":52.78582477754963,"put_iv_pct":48.26044479495268},{"expiry":"2026-10-16","call_iv_pct":54.40244412400865,"put_iv_pct":50.227638617090676},{"expiry":"2026-12-18","call_iv_pct":53.301826484018264,"put_iv_pct":49.9672972972973},{"expiry":"2027-01-15","call_iv_pct":52.18136482939633,"put_iv_pct":50.51809045226131}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"e4d3474d6779f476fd125472b65da04537f07024df3063057061e04f46824b63","captured_at":"2026-10-21T21:53:30.393302+00:00","observed_at":"2026-09-09T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"16cd09bd370c0d746045cb03ddfe1ffc344352b2df23defb4e4a01e56a259fc0"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"321cd860c1241026baf4f77eed0d29bb5ab7c30e286c77a7c552ba9e852b0061"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c0437593e4220385022fd1d639ed39a6c54decf70424b364edbd86fdab49f847"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"16b4da64db3cac7c2bbf75b2730cd4100811fc5279025189ea8334edb8675db2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"abb6d92d7a0742a4ba14328ed806b0816315cbb8ef6903751513217d2af8bcaf"}]},{"symbol":"ALK","date":"2026-09-10","iv_pct":50.55591669434138,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":46.30760762405521,"put_iv_pct":48.67875686147885},{"expiry":"2026-10-16","call_iv_pct":51.0007448912327,"put_iv_pct":51.509199466310875},{"expiry":"2026-12-18","call_iv_pct":51.93586666666666,"put_iv_pct":51.21287128712871},{"expiry":"2027-01-15","call_iv_pct":51.076175,"put_iv_pct":52.72611175785797}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"7b0d4ed34139851f3e97afce29c60d316d22488cbdd64f50e1059c1c0b28ef34","captured_at":"2026-10-21T21:53:29.872013+00:00","observed_at":"2026-09-10T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"1a1f13856da16c407434edea5071c807c0597e20c8d239dff89f32bc814d1331"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"321cd860c1241026baf4f77eed0d29bb5ab7c30e286c77a7c552ba9e852b0061"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c0437593e4220385022fd1d639ed39a6c54decf70424b364edbd86fdab49f847"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"16b4da64db3cac7c2bbf75b2730cd4100811fc5279025189ea8334edb8675db2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"abb6d92d7a0742a4ba14328ed806b0816315cbb8ef6903751513217d2af8bcaf"}]},{"symbol":"ALK","date":"2026-09-11","iv_pct":50.07712666189826,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":47.95555337629588,"put_iv_pct":50.5432722976964},{"expiry":"2026-10-16","call_iv_pct":50.097333333333324,"put_iv_pct":49.11840865690643},{"expiry":"2026-12-18","call_iv_pct":49.894299999999994,"put_iv_pct":50.98098722415796},{"expiry":"2027-01-15","call_iv_pct":50.521912928759896,"put_iv_pct":51.50524547803618}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"d9a1e363e5912c34880d4eaa222300265a85a4779b1c2a2152c2b3a1d2beff9e","captured_at":"2026-10-21T21:53:29.352603+00:00","observed_at":"2026-09-11T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"5c2ae7599905252b25d057d78ecc94f5aca46447c01385ee468e276f9ad71960"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"321cd860c1241026baf4f77eed0d29bb5ab7c30e286c77a7c552ba9e852b0061"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c0437593e4220385022fd1d639ed39a6c54decf70424b364edbd86fdab49f847"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"16b4da64db3cac7c2bbf75b2730cd4100811fc5279025189ea8334edb8675db2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"abb6d92d7a0742a4ba14328ed806b0816315cbb8ef6903751513217d2af8bcaf"}]},{"symbol":"ALK","date":"2026-09-14","iv_pct":54.2052423245063,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":65.0415514161776,"put_iv_pct":55.4199592875318},{"expiry":"2026-10-16","call_iv_pct":52.578424437299034,"put_iv_pct":51.89296296296296},{"expiry":"2026-12-18","call_iv_pct":52.192633333333326,"put_iv_pct":51.00519209659714},{"expiry":"2027-01-15","call_iv_pct":55.06998790810157,"put_iv_pct":50.441227154047}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"9819cca07729fd7874469508c1e58e704696e39ef60d0d3b1c2d753b4c617db1","captured_at":"2026-10-21T21:53:28.833657+00:00","observed_at":"2026-09-14T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"8c4ace1697da2ced569a9dd2c8d531220af19cf2c4b4324fa31f33d7edddc802"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"321cd860c1241026baf4f77eed0d29bb5ab7c30e286c77a7c552ba9e852b0061"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c0437593e4220385022fd1d639ed39a6c54decf70424b364edbd86fdab49f847"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"16b4da64db3cac7c2bbf75b2730cd4100811fc5279025189ea8334edb8675db2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"abb6d92d7a0742a4ba14328ed806b0816315cbb8ef6903751513217d2af8bcaf"}]},{"symbol":"ALK","date":"2026-09-15","iv_pct":52.537209329698165,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":53.23529273392577,"put_iv_pct":59.30871731623088},{"expiry":"2026-10-16","call_iv_pct":50.61053571428572,"put_iv_pct":52.11842470069313},{"expiry":"2026-12-18","call_iv_pct":51.16969879518073,"put_iv_pct":51.37111932418163},{"expiry":"2027-01-15","call_iv_pct":50.70696493349456,"put_iv_pct":51.77692111959288}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"f7cbb3376fa2938815b6389a80bec20d1bef9e55068b8a022161b894397196ef","captured_at":"2026-10-21T21:53:15.069970+00:00","observed_at":"2026-09-15T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"ced1a5d44c99853771c6980a8078f963c0ba4515963070aca9087da3fa07fb20"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-09-18","start_date":"2026-09-15","end_date":"2026-09-17","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f7566c4e44c64237b8150f752e3a8f7c77da6024eab354a511bddc7434b3b8bd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0b7790b035d55c5fc50b43d35655ac521e7b6126854e772bc522b8e848f71f3a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a5b15fbb85592f777d58432fffc7bd0bc7ea3210853e5e7a742565f8fb51e7af"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2aded2e8e45e84cb7aa3d3e380bdc68c7bdaae2db5a61d2c424a7cafbf5b71fd"}]},{"symbol":"ALK","date":"2026-09-18","iv_pct":52.63989444534599,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":51.74065165876777,"put_iv_pct":52.21839446782922},{"expiry":"2026-11-20","call_iv_pct":55.15605137963844,"put_iv_pct":53.454709141274236},{"expiry":"2026-12-18","call_iv_pct":53.30662971175166,"put_iv_pct":52.86775577557755},{"expiry":"2027-01-15","call_iv_pct":51.91354060913705,"put_iv_pct":50.461422818791945}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"9dece11cb993176368bd9fd0c59c2bd16495c8656f06c6c3f4499c14d7205c64","captured_at":"2026-10-21T21:53:09.677021+00:00","observed_at":"2026-09-18T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"b75fd9e3992ffdd34e5702e8900b2dac7fe596d07422d49ee2e8053b46383eb8"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0b7790b035d55c5fc50b43d35655ac521e7b6126854e772bc522b8e848f71f3a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e707cbbe3b34faa123d40269fd68683e1e5d8ede4a988598bfd267c81b49d08f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a5b15fbb85592f777d58432fffc7bd0bc7ea3210853e5e7a742565f8fb51e7af"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2aded2e8e45e84cb7aa3d3e380bdc68c7bdaae2db5a61d2c424a7cafbf5b71fd"}]},{"symbol":"ALK","date":"2026-09-21","iv_pct":52.126600791217435,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":53.569289940828405,"put_iv_pct":52.28933019976498},{"expiry":"2026-11-20","call_iv_pct":53.16772727272727,"put_iv_pct":54.15587102983639},{"expiry":"2026-12-18","call_iv_pct":51.4557360959651,"put_iv_pct":52.39931972789116},{"expiry":"2027-01-15","call_iv_pct":48.770012062726174,"put_iv_pct":51.20552000000001}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"eaa19810f8bda8a52341e1bafff1df5333b860ab019707fb0554f7989d64cb78","captured_at":"2026-10-21T21:53:09.161236+00:00","observed_at":"2026-09-21T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"6d3f897ab44f5e900f5be027b4246bd22b8cdecd25e3a87fb89fcbb3d2a34d5d"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0b7790b035d55c5fc50b43d35655ac521e7b6126854e772bc522b8e848f71f3a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e707cbbe3b34faa123d40269fd68683e1e5d8ede4a988598bfd267c81b49d08f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a5b15fbb85592f777d58432fffc7bd0bc7ea3210853e5e7a742565f8fb51e7af"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2aded2e8e45e84cb7aa3d3e380bdc68c7bdaae2db5a61d2c424a7cafbf5b71fd"}]},{"symbol":"ALK","date":"2026-09-22","iv_pct":52.54385928914995,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":54.974457388105456,"put_iv_pct":52.67049199084669},{"expiry":"2026-11-20","call_iv_pct":53.84790581162324,"put_iv_pct":52.73753246753247},{"expiry":"2026-12-18","call_iv_pct":52.64366020524515,"put_iv_pct":51.55166489925769},{"expiry":"2027-01-15","call_iv_pct":52.102015209125476,"put_iv_pct":49.82314634146341}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"3acb29f230a5cecd7a94933e07f60485c859bfdd74032754ae4e406d80ba050e","captured_at":"2026-10-21T21:52:59.350838+00:00","observed_at":"2026-09-22T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"851778eddec98372f7714d864f5cbd6d9c9e87eac435e52e53349ea41728036e"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ae3161637f699f47e06e3c0db156a416d617122d234674dbe921f9c75fe3d0e7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7e28369e43276beb333610e8560d8e8b09a7a4f0dc18296c9bc916845b9cb5ef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"386360c829caf21e4263ca80844810b8ef8f7af43b8c922da56c9f0dc9464de0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8981d16b8e257971c500139d40818f3d081c031b54aa3b225b6982a54704ee39"}]},{"symbol":"ALK","date":"2026-09-23","iv_pct":52.85783419756363,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":55.69883557636045,"put_iv_pct":51.395448048378235},{"expiry":"2026-11-20","call_iv_pct":55.02007421150278,"put_iv_pct":52.39288194444445},{"expiry":"2026-12-18","call_iv_pct":54.858210862619806,"put_iv_pct":50.88166666666666},{"expiry":"2027-01-15","call_iv_pct":52.90459036144578,"put_iv_pct":49.71096590909091}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"b43608fd580cd8482e35e3b13011fcfb6f071c2113c9bd8487ba953476886985","captured_at":"2026-10-21T21:52:58.833920+00:00","observed_at":"2026-09-23T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"c776d02a4a32fedd7760379637616b7f96bebfe5b50d5518621b3a3adab69761"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ae3161637f699f47e06e3c0db156a416d617122d234674dbe921f9c75fe3d0e7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7e28369e43276beb333610e8560d8e8b09a7a4f0dc18296c9bc916845b9cb5ef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"386360c829caf21e4263ca80844810b8ef8f7af43b8c922da56c9f0dc9464de0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8981d16b8e257971c500139d40818f3d081c031b54aa3b225b6982a54704ee39"}]},{"symbol":"ALK","date":"2026-09-24","iv_pct":53.8224745337189,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":56.723526346265196,"put_iv_pct":54.66179154929577},{"expiry":"2026-11-20","call_iv_pct":54.48587108013938,"put_iv_pct":54.33},{"expiry":"2026-12-18","call_iv_pct":53.61224083769633,"put_iv_pct":51.74431492842536},{"expiry":"2027-01-15","call_iv_pct":53.9174225526642,"put_iv_pct":51.10462897526502}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1e4cad06ab2873346e1f9d43203316e153ae563e729b23be961c2c23d404c3d6","captured_at":"2026-10-21T21:52:58.315881+00:00","observed_at":"2026-09-24T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"c052e74b874ea9f0d0df957fad19fce4500a8732a3792a54f6c0f559527d8955"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ae3161637f699f47e06e3c0db156a416d617122d234674dbe921f9c75fe3d0e7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7e28369e43276beb333610e8560d8e8b09a7a4f0dc18296c9bc916845b9cb5ef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"386360c829caf21e4263ca80844810b8ef8f7af43b8c922da56c9f0dc9464de0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8981d16b8e257971c500139d40818f3d081c031b54aa3b225b6982a54704ee39"}]},{"symbol":"ALK","date":"2026-09-25","iv_pct":53.08260381190741,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":56.4415777653004,"put_iv_pct":56.153430330162294},{"expiry":"2026-11-20","call_iv_pct":53.97204585537919,"put_iv_pct":52.884386873920555},{"expiry":"2026-12-18","call_iv_pct":52.2721961620469,"put_iv_pct":51.65042116630671},{"expiry":"2027-01-15","call_iv_pct":50.33761073825504,"put_iv_pct":50.949161603888214}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1c57d3a9daece09447a56b42a03d25215407e216059409e04b1803c29ff859b3","captured_at":"2026-10-21T21:52:57.798394+00:00","observed_at":"2026-09-25T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"fdfc7015b297eb75edeee6042c86020e47933375399c9a0c3af0d5bcd0723c34"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ae3161637f699f47e06e3c0db156a416d617122d234674dbe921f9c75fe3d0e7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7e28369e43276beb333610e8560d8e8b09a7a4f0dc18296c9bc916845b9cb5ef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"386360c829caf21e4263ca80844810b8ef8f7af43b8c922da56c9f0dc9464de0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8981d16b8e257971c500139d40818f3d081c031b54aa3b225b6982a54704ee39"}]},{"symbol":"ALK","date":"2026-09-28","iv_pct":53.75370290003367,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":61.354643048845944,"put_iv_pct":53.198780487804875},{"expiry":"2026-11-20","call_iv_pct":57.11330333033303,"put_iv_pct":51.68029268292683},{"expiry":"2026-12-18","call_iv_pct":53.57083665338646,"put_iv_pct":49.7200289017341},{"expiry":"2027-01-15","call_iv_pct":53.511738095238094,"put_iv_pct":49.88}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"55a033a3c8c0f69e7377c1cf7340b778b2b06546011f9fd3b31473c799185732","captured_at":"2026-10-21T21:52:53.819828+00:00","observed_at":"2026-09-28T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"94cf8344a17cb58a829528f56bb15254e8290a51a427d083b9e77b4297f068a6"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ae3161637f699f47e06e3c0db156a416d617122d234674dbe921f9c75fe3d0e7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7e28369e43276beb333610e8560d8e8b09a7a4f0dc18296c9bc916845b9cb5ef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"386360c829caf21e4263ca80844810b8ef8f7af43b8c922da56c9f0dc9464de0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8981d16b8e257971c500139d40818f3d081c031b54aa3b225b6982a54704ee39"}]},{"symbol":"ALK","date":"2026-09-29","iv_pct":54.82895803585166,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":55.94433471933472,"put_iv_pct":59.507425373134325},{"expiry":"2026-11-20","call_iv_pct":55.72216908625107,"put_iv_pct":55.82345360824742},{"expiry":"2026-12-18","call_iv_pct":53.666062827225126,"put_iv_pct":53.42412133891214},{"expiry":"2027-01-15","call_iv_pct":52.15316901408451,"put_iv_pct":52.390928319623974}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"2df3ed67152c560ae12049432f31c7639d5a76f00d9d803c143535e13fc39077","captured_at":"2026-10-21T21:52:42.139700+00:00","observed_at":"2026-09-29T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"96f2ef27e70dfaa70f02dc072ed935ad6466a593cbecd541f5addebb2585fef9"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"28819f1eb78d408323cf5edee91e115fda267f0fb07e2349c55c46e650292d54"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f3424a8f2b997aa4d4559d946edfc127236b7a7515749b9796298dcad2431352"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"188448d1c1fbb1e1c6575bbfced79314e4cbf1564527c0362e7623a43d5554e6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"20a2637586b27a755b6bec30c79ec87d59043ae30d2fd9bec8967a4d4c71ac7f"}]},{"symbol":"ALK","date":"2026-09-30","iv_pct":53.37459333238809,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":58.50625,"put_iv_pct":53.36069664902998},{"expiry":"2026-11-20","call_iv_pct":54.98119741100324,"put_iv_pct":52.85661478599222},{"expiry":"2026-12-18","call_iv_pct":53.14403865717193,"put_iv_pct":51.023974609375},{"expiry":"2027-01-15","call_iv_pct":53.06630857142858,"put_iv_pct":50.05766597510374}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"aa22e63235761f2483d649886afb689846b52c1b4bd4809e5e8f886ee9fab94e","captured_at":"2026-10-21T21:52:41.629329+00:00","observed_at":"2026-09-30T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"cb3f43061d25293e764bad11c69a74cee1a6fae6636216f40155768c053be37a"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"28819f1eb78d408323cf5edee91e115fda267f0fb07e2349c55c46e650292d54"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f3424a8f2b997aa4d4559d946edfc127236b7a7515749b9796298dcad2431352"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"188448d1c1fbb1e1c6575bbfced79314e4cbf1564527c0362e7623a43d5554e6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"20a2637586b27a755b6bec30c79ec87d59043ae30d2fd9bec8967a4d4c71ac7f"}]},{"symbol":"ALK","date":"2026-10-01","iv_pct":52.7339492472428,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":54.92073461891644,"put_iv_pct":53.708661627389944},{"expiry":"2026-11-20","call_iv_pct":54.532979966611016,"put_iv_pct":53.002950687146324},{"expiry":"2026-12-18","call_iv_pct":51.85755687438181,"put_iv_pct":51.67801587301588},{"expiry":"2027-01-15","call_iv_pct":50.64665924276169,"put_iv_pct":51.5240350877193}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"e0210bfca872a6e7bd5b95c217d4997d0d4b26c5e7d61ea722fe749ec508be26","captured_at":"2026-10-21T21:52:36.799714+00:00","observed_at":"2026-10-01T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"6fe9eb0cd5c9027f5b85d82f5cc8d89bf172c03f2762b390f2df3dd2c4bdbaa8"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7308bdf61595500ce39b09c40b601d1e290002c8d42b3b3a0f779bf301335d64"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c71ab3247c372c8dd1b026c8081a63f20ecca7f769f0702bc32206b6005fb457"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"4dfae0e25775c8ce29ab9333dc8e5bafb6b4248e741c1c1ae5120860d0f404a5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fa3986c7816a588615bc2a0881aef0c3928a1ff239002804a980dfd6eea517f0"}]},{"symbol":"ALK","date":"2026-10-02","iv_pct":52.039430549162184,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":52.01145400593471,"put_iv_pct":54.473035253654345},{"expiry":"2026-11-20","call_iv_pct":51.950383360522025,"put_iv_pct":53.70088039867109},{"expiry":"2026-12-18","call_iv_pct":51.724457252641685,"put_iv_pct":51.300058765915765},{"expiry":"2027-01-15","call_iv_pct":50.87024608501118,"put_iv_pct":50.28492927094668}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"c3ec3be60d9e58ad845702bd14a3958bdbb9e46c2ca5c387b1881fc8af2e5a41","captured_at":"2026-10-21T21:52:36.280790+00:00","observed_at":"2026-10-02T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"823b34607010d7b64b2ebefec2d920218e94401482735c86e1f80cf0465afed1"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7308bdf61595500ce39b09c40b601d1e290002c8d42b3b3a0f779bf301335d64"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c71ab3247c372c8dd1b026c8081a63f20ecca7f769f0702bc32206b6005fb457"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"4dfae0e25775c8ce29ab9333dc8e5bafb6b4248e741c1c1ae5120860d0f404a5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fa3986c7816a588615bc2a0881aef0c3928a1ff239002804a980dfd6eea517f0"}]},{"symbol":"ALK","date":"2026-10-05","iv_pct":51.77368361519992,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":55.9184907879263,"put_iv_pct":52.03208579881656},{"expiry":"2026-11-20","call_iv_pct":53.167823712948525,"put_iv_pct":51.11557735849056},{"expiry":"2026-12-18","call_iv_pct":51.76318007662836,"put_iv_pct":49.54035040431267},{"expiry":"2027-01-15","call_iv_pct":51.40415669205658,"put_iv_pct":49.247804090419805}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"b0037d60ca9642d7baa7e56a24fd8c8d4a2bf5a1b814dd535f40c8b8f9331bdb","captured_at":"2026-10-21T21:52:35.762539+00:00","observed_at":"2026-10-05T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"f2f78f1808a74a82cb27dfcae3566a7c4684de9c4d98f021e2f839105352edf7"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7308bdf61595500ce39b09c40b601d1e290002c8d42b3b3a0f779bf301335d64"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c71ab3247c372c8dd1b026c8081a63f20ecca7f769f0702bc32206b6005fb457"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"4dfae0e25775c8ce29ab9333dc8e5bafb6b4248e741c1c1ae5120860d0f404a5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fa3986c7816a588615bc2a0881aef0c3928a1ff239002804a980dfd6eea517f0"}]},{"symbol":"ALK","date":"2026-10-06","iv_pct":51.226917220643884,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":54.24271233974359,"put_iv_pct":52.83000390472472},{"expiry":"2026-11-20","call_iv_pct":52.092088414634155,"put_iv_pct":51.12057014253563},{"expiry":"2026-12-18","call_iv_pct":49.6320744680851,"put_iv_pct":49.73726114649681},{"expiry":"2027-01-15","call_iv_pct":50.68671806167401,"put_iv_pct":49.473909287257015}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"f2f64704c708a668820d13a33c8751e0da2ef968963b6b9c0f406763c0d17158","captured_at":"2026-10-21T21:52:35.243028+00:00","observed_at":"2026-10-06T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"6f525822acfc4176355fe3edc63bff9b9155b078ada359cc313284bd9f968234"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7308bdf61595500ce39b09c40b601d1e290002c8d42b3b3a0f779bf301335d64"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c71ab3247c372c8dd1b026c8081a63f20ecca7f769f0702bc32206b6005fb457"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"4dfae0e25775c8ce29ab9333dc8e5bafb6b4248e741c1c1ae5120860d0f404a5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fa3986c7816a588615bc2a0881aef0c3928a1ff239002804a980dfd6eea517f0"}]},{"symbol":"ALK","date":"2026-10-07","iv_pct":51.43998582104514,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":56.396814545454546,"put_iv_pct":52.711052631578944},{"expiry":"2026-11-20","call_iv_pct":51.829961773700305,"put_iv_pct":50.8332},{"expiry":"2026-12-18","call_iv_pct":49.78023381294964,"put_iv_pct":49.76763085399449},{"expiry":"2027-01-15","call_iv_pct":50.96337748344371,"put_iv_pct":49.23761546723953}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"cea534d45549454f1fc3e061a69321f795e767f0c34b8187da8f8c0a3261296d","captured_at":"2026-10-21T21:52:34.726661+00:00","observed_at":"2026-10-07T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"fd6a8f6d274e228769471432b7e507d81b9430cd6c914735f0f0cb290fa7beb1"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7308bdf61595500ce39b09c40b601d1e290002c8d42b3b3a0f779bf301335d64"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c71ab3247c372c8dd1b026c8081a63f20ecca7f769f0702bc32206b6005fb457"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"4dfae0e25775c8ce29ab9333dc8e5bafb6b4248e741c1c1ae5120860d0f404a5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fa3986c7816a588615bc2a0881aef0c3928a1ff239002804a980dfd6eea517f0"}]},{"symbol":"ALK","date":"2026-10-08","iv_pct":50.959114926833706,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":53.326198749131336,"put_iv_pct":53.07710835058661},{"expiry":"2026-11-20","call_iv_pct":51.00479797979798,"put_iv_pct":51.262799696509866},{"expiry":"2026-12-18","call_iv_pct":49.033082437275986,"put_iv_pct":50.46787610619469},{"expiry":"2027-01-15","call_iv_pct":49.74387885228481,"put_iv_pct":49.7571772428884}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"0a658a0a0e869dc1dd545632fbc0224eacf1f1e694bd51b1e73d1ee929f4b2bd","captured_at":"2026-10-21T21:52:20.283436+00:00","observed_at":"2026-10-08T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"18c31792985fc4a0af90e763390cd6860069f5c8056dbea178354c599a7cee42"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7bdc89ff6da8290cdef75ddf58f7e0b901f5bd89df0ca4773de58b2924eda72d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"280451b1d7ec747fc71c47f3c1c641d06c7e47222801c03a5bb072608c128215"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f81b681b4fb879499a9fe76dc554562e2226eb457d27d14dae05dd4f49622b2b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"6dd6491fb1506fa9341f84c379093e2f7870f10aed5322450375aae451ff9297"}]},{"symbol":"ALK","date":"2026-10-09","iv_pct":48.40168289235425,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":42.06421065434201,"put_iv_pct":52.948240093240095},{"expiry":"2026-11-20","call_iv_pct":47.339128989361704,"put_iv_pct":50.04351230425056},{"expiry":"2026-12-18","call_iv_pct":47.525576407506705,"put_iv_pct":49.93829044117647},{"expiry":"2027-01-15","call_iv_pct":48.53260145681582,"put_iv_pct":48.82190279214064}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"9f64eef37c5349779974d767fce52307bdf6344d7b6b3bb095f74ebb3218ea8a","captured_at":"2026-10-21T21:52:19.765841+00:00","observed_at":"2026-10-09T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"7611bc394e4284760d1aa99b5e35497638158e3a607ad64c30baabd4f9c63e1c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7bdc89ff6da8290cdef75ddf58f7e0b901f5bd89df0ca4773de58b2924eda72d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"280451b1d7ec747fc71c47f3c1c641d06c7e47222801c03a5bb072608c128215"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f81b681b4fb879499a9fe76dc554562e2226eb457d27d14dae05dd4f49622b2b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"6dd6491fb1506fa9341f84c379093e2f7870f10aed5322450375aae451ff9297"}]},{"symbol":"ALK","date":"2026-10-12","iv_pct":49.78693298738266,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":56.677723700887206,"put_iv_pct":49.16195153613154},{"expiry":"2026-11-20","call_iv_pct":51.054128020901366,"put_iv_pct":47.66319277108434},{"expiry":"2026-12-18","call_iv_pct":51.381531766753696,"put_iv_pct":46.60902249806051},{"expiry":"2027-01-15","call_iv_pct":48.743358778625954,"put_iv_pct":47.004554826616676}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"081c525a2f4e171b24dc7ffd447d83a0aa3302dc96c3e9f4a8803a1d2bfe5f9e","captured_at":"2026-10-21T21:52:19.247626+00:00","observed_at":"2026-10-12T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"c1c9e28372a2c0e96a3a46dbc83d7e1dfc0dda6e512960a9cd5bb1fd10884631"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7bdc89ff6da8290cdef75ddf58f7e0b901f5bd89df0ca4773de58b2924eda72d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"280451b1d7ec747fc71c47f3c1c641d06c7e47222801c03a5bb072608c128215"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f81b681b4fb879499a9fe76dc554562e2226eb457d27d14dae05dd4f49622b2b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"6dd6491fb1506fa9341f84c379093e2f7870f10aed5322450375aae451ff9297"}]},{"symbol":"ALK","date":"2026-10-13","iv_pct":51.20047715685832,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":51.410805877114875,"put_iv_pct":59.15226158038147},{"expiry":"2026-11-20","call_iv_pct":51.34531310522918,"put_iv_pct":51.02953488372093},{"expiry":"2026-12-18","call_iv_pct":49.12870863599677,"put_iv_pct":49.91656275635767},{"expiry":"2027-01-15","call_iv_pct":49.09497076023392,"put_iv_pct":48.52565965583174}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"0d40cab543f7a70dc3399b758cb0a87577ba4c1b83a3a91ce8d21dfd07b95391","captured_at":"2026-10-21T21:52:18.730584+00:00","observed_at":"2026-10-13T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"a8af5c78ff09b4c615838068d5863d2418e24f0d0bae4deb279f5fb02a300353"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-10-16","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7bdc89ff6da8290cdef75ddf58f7e0b901f5bd89df0ca4773de58b2924eda72d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"280451b1d7ec747fc71c47f3c1c641d06c7e47222801c03a5bb072608c128215"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f81b681b4fb879499a9fe76dc554562e2226eb457d27d14dae05dd4f49622b2b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"6dd6491fb1506fa9341f84c379093e2f7870f10aed5322450375aae451ff9297"}]},{"symbol":"ALK","date":"2026-10-16","iv_pct":50.39761708139937,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":52.65453522794553,"put_iv_pct":51.262502923976605},{"expiry":"2026-12-18","call_iv_pct":50.935196969696975,"put_iv_pct":49.361637337413924},{"expiry":"2027-01-15","call_iv_pct":49.44134113411341,"put_iv_pct":49.99531876138433},{"expiry":"2027-02-19","call_iv_pct":49.809576271186444,"put_iv_pct":49.72082802547771}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"5e293e9fbaa22b519db7be0b099c6985dc5084517b2f490d00312429bbc07f7e","captured_at":"2026-10-21T21:52:04.156695+00:00","observed_at":"2026-10-16T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"c57e9c169e3ed4f0e7ea61f0763e93ab19a2b6c836941e5fcd28664cf38463a4"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-15","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"987b5ec56aa145b2e54ed92d6623efe220953a2b3cfb56346e203c19e50a1d13"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-15","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"992edb62b8e9e45849dc287d97121a68d47329c75bc017746361abd43c69ddd8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-15","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"874135870d69363242f93a62659a6d3aed2e2ae3bc346afb58f5bbad48b04d61"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-02-19","start_date":"2026-10-15","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c25e784d76423ea9456630ddfd1287bfc85c78525797ea42fcbbc0bbe69ba2a9"}]},{"symbol":"ALK","date":"2026-10-19","iv_pct":51.157785242230375,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":55.162301136363645,"put_iv_pct":53.332115594329345},{"expiry":"2026-12-18","call_iv_pct":52.9141059602649,"put_iv_pct":49.194065323141075},{"expiry":"2027-01-15","call_iv_pct":50.071739961759086,"put_iv_pct":48.92281984334204},{"expiry":"2027-02-19","call_iv_pct":50.485584016393446,"put_iv_pct":49.17955010224949}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"043252809a2f596827dcfe14acd6bb929e25b167b1dca8f94702fc9dd9e49039","captured_at":"2026-10-21T17:12:35.944873+00:00","observed_at":"2026-10-19T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"7e02a42d8290761df5ed6383a83566e6bae837fd6556d809d4935ba83abcff2d"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-19","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b78f3e8a92c6b2ed30c9d22c4bdb1251d67f22399f0756aa232cb392cc5537d4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-19","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8ad2da0abd844b7665f50199052f9a206ae6e7e8ef79d168e25cffd6fe0c1684"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-19","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2a5ba899536a1f65517cdc59048cddcda46fd1076f84ce3671b3cc90c941fd79"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-02-19","start_date":"2026-10-19","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"88ef03c3cdd85a92408b2ea621c2d0f588813a76ab2a1eea7f7d3332c0feec5f"}]},{"symbol":"ALK","date":"2026-10-20","iv_pct":52.69940293301912,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":56.26593500919681,"put_iv_pct":54.109968503937},{"expiry":"2026-12-18","call_iv_pct":54.56228371005456,"put_iv_pct":49.94037094281298},{"expiry":"2027-01-15","call_iv_pct":52.98841620626151,"put_iv_pct":49.753527851458884},{"expiry":"2027-02-19","call_iv_pct":52.707213114754104,"put_iv_pct":51.26750812567714}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"a3010eb18b64dff4db655df50f602f66e4a47f08940a91b25e64703a3c9656dd","captured_at":"2026-10-21T17:12:35.266114+00:00","observed_at":"2026-10-20T15:59:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"4b77d3345decbe4932ed19c5ea78f550545079581143a21fa19d1568e8ca21c5"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-19","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b78f3e8a92c6b2ed30c9d22c4bdb1251d67f22399f0756aa232cb392cc5537d4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-19","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8ad2da0abd844b7665f50199052f9a206ae6e7e8ef79d168e25cffd6fe0c1684"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-19","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2a5ba899536a1f65517cdc59048cddcda46fd1076f84ce3671b3cc90c941fd79"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-02-19","start_date":"2026-10-19","end_date":"2026-10-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"88ef03c3cdd85a92408b2ea621c2d0f588813a76ab2a1eea7f7d3332c0feec5f"}]},{"symbol":"ALK","date":"2026-10-21","iv_pct":49.8921557810901,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":50.27982826300295,"put_iv_pct":50.961361361361355},{"expiry":"2026-12-18","call_iv_pct":49.27290322580645,"put_iv_pct":49.14564721663313},{"expiry":"2027-01-15","call_iv_pct":51.82736206896551,"put_iv_pct":48.14316760224539},{"expiry":"2027-02-19","call_iv_pct":50.543356009070294,"put_iv_pct":48.963620501635766}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"21b68340d09b811ff64862fd3f5c413c30241fb4f432ea9a4de3ac2f057a1710","captured_at":"2026-10-21T22:21:02.941223+00:00","observed_at":"2026-10-21T15:59:00-04:00","session_close_at":"2026-10-21T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/list/contracts/quote","query":{"symbol":"ALK","date":"2026-10-21","format":"json"},"source_hash":"93545d652ee55774e12de0997aa9e87905e2d0a09c8ca6e7cb7dbbf2f4a13f3f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"6ce83e152cffd099b0e65fa114f2e5ccc45319773283aa403e209733e60f6c3a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a20b21d85b3cb6bda5685a8905ca4c81891a51d38e9f6d4aaa81f8dfa5df0491"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"9bdaea3fb8c2fec0ade5ace65f5a522dcf8b057123ae5c6340a37464004b53e7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-02-19","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"201d0848eb798cef350a5e3118e6471b56894ccb67a96208bf4b9be44ae47422"}]},{"symbol":"ALK","date":"2026-10-22","iv_pct":50.5221383927155,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":52.65055224688684,"put_iv_pct":52.39143550998381},{"expiry":"2026-12-18","call_iv_pct":50.1260655737705,"put_iv_pct":49.69772142857143},{"expiry":"2027-01-15","call_iv_pct":49.074684528954194,"put_iv_pct":49.018990509059535},{"expiry":"2027-02-19","call_iv_pct":50.27344176285414,"put_iv_pct":50.94421558164354}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"c67c3ecb45eed19ed676c9e861a3823362f2686663e5063340473d6fe0987659","captured_at":"2026-10-22T21:15:39.210110+00:00","observed_at":"2026-10-22T15:59:00-04:00","session_close_at":"2026-10-22T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/list/contracts/quote","query":{"symbol":"ALK","date":"2026-10-22","format":"json"},"source_hash":"02338c819f8656dac653edeab1816120cfe7de276fdd6d0c386056b6ee1a8351"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-21","end_date":"2026-10-22","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"03eeff838c19f84fc55b7f7e200655fa200b056e8bb3c4947a5b5a3eff5208e1"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-21","end_date":"2026-10-22","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f9332e08f36760be12fde86cb6e978ec69a6d9c980ab35a699a44b6bf87e76cd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-21","end_date":"2026-10-22","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ff9a67a586f8ccc9ead12b7619cd9104e1cb0dde5801ee9bf240a3f164839c0e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-02-19","start_date":"2026-10-21","end_date":"2026-10-22","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b02a3c5dec615292aa2d50339301e93ed44a7faba94ad9bc6eaf7b9ef3c73079"}]},{"symbol":"ALK","date":"2026-10-23","iv_pct":51.45548761554732,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":52.85606323304437,"put_iv_pct":53.52398543184184},{"expiry":"2026-12-18","call_iv_pct":52.94334989354152,"put_iv_pct":51.56150553505535},{"expiry":"2027-01-15","call_iv_pct":49.22891914893617,"put_iv_pct":49.4084},{"expiry":"2027-02-19","call_iv_pct":49.61486153846154,"put_iv_pct":52.50681614349776}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"25ca594e576bfcd78663fc6c6f7338a38ee7ea4ea2f26c9723cae4ce49b1f0c6","captured_at":"2026-10-23T21:06:35.263195+00:00","observed_at":"2026-10-23T15:59:00-04:00","session_close_at":"2026-10-23T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/list/contracts/quote","query":{"symbol":"ALK","date":"2026-10-23","format":"json"},"source_hash":"91ff038bc06179a5a6ce95805d98affe40c3562f07cb9e2145846a0cb6257424"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-22","end_date":"2026-10-23","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a43ea4a8573947162de9ded57bbdebab4d1088209a40f988950a484512250787"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-22","end_date":"2026-10-23","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"322b512494a8e9fb7279fa53e9676def1437ef3efa0c37d7a02e65660e30231d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-22","end_date":"2026-10-23","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"34b51b0755368f27a887fc971409cb98f4a2350ee925562847e8b588bc8d017a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-02-19","start_date":"2026-10-22","end_date":"2026-10-23","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d73a95e2e5ba65a6cb7181f244e3f8e8d2bd36cae54de6dedee94461253a6f7f"}]},{"symbol":"ALK","date":"2026-10-26","iv_pct":51.29848764801719,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":53.16671740233384,"put_iv_pct":52.56779201577132},{"expiry":"2026-12-18","call_iv_pct":51.24012482662968,"put_iv_pct":49.97328757721345},{"expiry":"2027-01-15","call_iv_pct":51.18145374449339,"put_iv_pct":50.177715736040604},{"expiry":"2027-02-19","call_iv_pct":51.57286749482402,"put_iv_pct":50.507942386831274}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"21121d1a82cee72d0a0cf73e1252223f1be43f87de6f62063b1e578416aa1bf4","captured_at":"2026-10-28T12:23:08.480756+00:00","observed_at":"2026-10-26T15:59:00-04:00","session_close_at":"2026-10-26T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"e64d31f81fdd0658ad60b53a333f1331514c9e68bafeae45b13488aff1677d7c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1a16f6d6e5614ae79173a88b93cc4855e92813ac425a0e155f1a3a6c8f27097b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"22d95c7122314a22c49686e598699e4d2d2109fa41ba4798c43e3edc46fcea83"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"6fb514b92bfbdf0f8e2513d6679144f8f05ca93458c60c26b7fb39e7e19b348e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-02-19","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"5b578df5fc5455d95a122012d75bde692e871719854dd2383b6f3b34d55e5e59"}]},{"symbol":"ALK","date":"2026-10-27","iv_pct":50.63015805888908,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":51.87020009760859,"put_iv_pct":51.152305836951285},{"expiry":"2026-12-18","call_iv_pct":50.95269528501055,"put_iv_pct":49.72315898141776},{"expiry":"2027-01-15","call_iv_pct":50.21650259067357,"put_iv_pct":48.493541666666665},{"expiry":"2027-02-19","call_iv_pct":50.33605150214593,"put_iv_pct":52.29680851063831}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"bcb885de6ac00cc4d92d8f6cef086e39d975329937d0dc9e0e7e0b42ad2e1316","captured_at":"2026-10-28T12:23:07.969260+00:00","observed_at":"2026-10-27T15:59:00-04:00","session_close_at":"2026-10-27T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"ALK","expiration":"*","start_date":"2026-10-27","end_date":"2026-10-27","strike_range":20,"format":"json"},"source_hash":"44eff61c693d9d53dd92a19cbca5cbdd0db3ede363c968aeb145d9a9a8d07f58"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1a16f6d6e5614ae79173a88b93cc4855e92813ac425a0e155f1a3a6c8f27097b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"22d95c7122314a22c49686e598699e4d2d2109fa41ba4798c43e3edc46fcea83"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"6fb514b92bfbdf0f8e2513d6679144f8f05ca93458c60c26b7fb39e7e19b348e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-02-19","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"5b578df5fc5455d95a122012d75bde692e871719854dd2383b6f3b34d55e5e59"}]},{"symbol":"ALK","date":"2026-10-28","iv_pct":50.68544859499087,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":53.775600000000004,"put_iv_pct":50.175635770843044},{"expiry":"2026-12-18","call_iv_pct":51.230894808743166,"put_iv_pct":49.545628378378375},{"expiry":"2027-01-15","call_iv_pct":50.70885542168675,"put_iv_pct":48.78037098103874},{"expiry":"2027-02-19","call_iv_pct":50.94273673257024,"put_iv_pct":50.323866666666675}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"bfcbb84e821434d14a11aa05d4d51dcb4a7a9b282ad89c57ce7d7fec66e3e0e6","captured_at":"2026-10-29T12:33:02.069507+00:00","observed_at":"2026-10-28T15:59:00-04:00","session_close_at":"2026-10-28T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"ALK","expiration":"*","start_date":"2026-10-28","end_date":"2026-10-28","strike_range":20,"format":"json"},"source_hash":"8b922d1522e9f806373e5bf90b5bf4aead06542b6f40ecb0bd45daf7a602d10b"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-27","end_date":"2026-10-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"bcbb9122fae4dfec167e6ea98904254f2914eaa9b64632c46e12f763212b986f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-27","end_date":"2026-10-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e1ec112303fd84a6e7fe30466a5d5d586018c17f913b7bdc0551c8de11ced0fe"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-27","end_date":"2026-10-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"271af869353025a52bbaebc4471782f2773920f06c28f954c9dfef09d895b2d6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-02-19","start_date":"2026-10-27","end_date":"2026-10-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"4c7948cb82ed00f9f67055cbc2fa099074388ccf6720dbf4a847830113ddc8a0"}]},{"symbol":"ALK","date":"2026-10-29","iv_pct":50.175437206352086,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":51.46873082287308,"put_iv_pct":50.88528301886792},{"expiry":"2026-12-18","call_iv_pct":49.096506024096385,"put_iv_pct":48.18367279894875},{"expiry":"2027-01-15","call_iv_pct":49.914178723404255,"put_iv_pct":49.03805555555556},{"expiry":"2027-02-19","call_iv_pct":51.79363636363637,"put_iv_pct":51.02343434343434}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"367e4fc7b08139f50f16b2a8fc38ab77bc0a1ebe5418704d3b4ed7b340a26e30","captured_at":"2026-10-30T12:32:58.250961+00:00","observed_at":"2026-10-29T15:59:00-04:00","session_close_at":"2026-10-29T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"ALK","expiration":"*","start_date":"2026-10-29","end_date":"2026-10-29","strike_range":20,"format":"json"},"source_hash":"beae986e52ade83201b38841a1842594c0a01c0f254951b219f6f9f09b068f04"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-28","end_date":"2026-10-29","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c084d0ff5e7603f4a34184c021ce17a4e9cc4871cc914bac74108f37cc2c9ff3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-28","end_date":"2026-10-29","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a5fef021a23b54c74abc5745b4c6ddca377e559e9c7f4939739fbaaef248d2d3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-28","end_date":"2026-10-29","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"efc8281e474d7982ee6b6d06e9a2ace3af2f6e938e1559287a625d5fb0becf21"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-02-19","start_date":"2026-10-28","end_date":"2026-10-29","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fe00b0fc209f20a28e78e2a92df27af4958ebbbf135d69d4b198d1acb22ee303"}]},{"symbol":"ALK","date":"2026-10-30","iv_pct":51.87576888658579,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":51.94387617765814,"put_iv_pct":54.80266280752532},{"expiry":"2026-12-18","call_iv_pct":49.247139107611545,"put_iv_pct":54.53885546588408},{"expiry":"2027-01-15","call_iv_pct":47.74126213592233,"put_iv_pct":52.39771019677997},{"expiry":"2027-02-19","call_iv_pct":49.53054325955735,"put_iv_pct":54.804101941747575}],"source":"ThetaData historical first-order Greeks","provider_symbol":"ALK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"3315184d963b4234097a5fb9acca9a8a5f63345c3d1fb5373918914d44bf3ee9","captured_at":"2026-10-31T09:11:41.513869+00:00","observed_at":"2026-10-30T15:59:00-04:00","session_close_at":"2026-10-30T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"ALK","expiration":"*","start_date":"2026-10-30","end_date":"2026-10-30","strike_range":20,"format":"json"},"source_hash":"e75eb12c302a96363267b9469fc55eb76bae070e1e7be874a0678102c19def74"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-11-20","start_date":"2026-10-29","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"dbe926d40a35c24cc75e30dace1e9601a651f48619c01575fbcb5758cc4fd3bc"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2026-12-18","start_date":"2026-10-29","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"59ba668d2e1dd2a0c335af73ea01bb7f9ede9243bdcb4f78bbf4c7bca1faf1a3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-01-15","start_date":"2026-10-29","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"51b1441126080972f1aa358cd86fec37632eac4ebb4705432ea411593cd56ead"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"ALK","expiration":"2027-02-19","start_date":"2026-10-29","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"dd160e7a857404cc6472a10f83adf0adb33453668ebf9d8a8fbac2cc71cbf77a"}]}],"dailyIvModel":"theta-four-friday-close-50delta-v3","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/ALK","methodology":"https://intraalpha.com/resources/options-delta-methodology","units":{"iv_pct":"annualized percent","implied_move_pct":"percent of underlying price","put_call_skew_pp":"percentage points","price":"USD","dailyBlend.iv_pct":"annualized percent","dailyBlend.put_call_skew_pp":"percentage points; mean put IV minus call IV across four expiries","dailyBlend.implied_move_pct":"percent of spot; mean per-expiry mean call/put IV percent times sqrt(calendar days / 365.25); IV-based estimate, not quoted straddle premium"},"dailyBlend":[{"date":"2026-08-10","observed_at":"2026-08-10T15:59:00-04:00","iv_pct":52.21500581929339,"put_call_skew_pp":-3.061795518476707,"implied_move_pct":20.071953065917366,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"e71b038fc893fe0f2c45f472d4e7b6808512cd5aa07b0c3e6c7b50b75690e801","expiries":["2026-08-21","2026-09-18","2026-10-16","2026-12-18"]},{"date":"2026-08-11","observed_at":"2026-08-11T15:59:00-04:00","iv_pct":49.055204108633845,"put_call_skew_pp":-3.4053039602768607,"implied_move_pct":18.837484690926512,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"837ae4e39c30bbfa87c98a797d966cea39f7a298ad5029dc66211274094cd4dd","expiries":["2026-08-21","2026-09-18","2026-10-16","2026-12-18"]},{"date":"2026-08-12","observed_at":"2026-08-12T15:59:00-04:00","iv_pct":48.20069436109212,"put_call_skew_pp":-3.4618816617948234,"implied_move_pct":18.25241198219909,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"df1ef79b69b51396d354ea39abbc9e32f7442b771fe2437589f7a375c26d3627","expiries":["2026-08-21","2026-09-18","2026-10-16","2026-12-18"]},{"date":"2026-08-13","observed_at":"2026-08-13T15:59:00-04:00","iv_pct":48.353541004348756,"put_call_skew_pp":-3.0708458039747377,"implied_move_pct":18.08098615279388,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"8ebf5131959cd01cc47b01ba8ee0234a274a9fb700effaa7c116fd39b37e4554","expiries":["2026-08-21","2026-09-18","2026-10-16","2026-12-18"]},{"date":"2026-08-14","observed_at":"2026-08-14T15:59:00-04:00","iv_pct":46.56123369953335,"put_call_skew_pp":-0.5334574553975138,"implied_move_pct":17.38512841094473,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"77c53a984eb9575c953038c8dcecc349d01ebcded7dc13069d6bf4fcff307cf5","expiries":["2026-08-21","2026-09-18","2026-10-16","2026-12-18"]},{"date":"2026-08-17","observed_at":"2026-08-17T15:59:00-04:00","iv_pct":49.23442258416668,"put_call_skew_pp":-1.129128974213499,"implied_move_pct":17.14547852262657,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1ed880444113498a177f86aef29011d9e920c0ad22a15e77d4b7942f3eff1e09","expiries":["2026-08-21","2026-09-18","2026-10-16","2026-12-18"]},{"date":"2026-08-18","observed_at":"2026-08-18T15:59:00-04:00","iv_pct":49.77370079785316,"put_call_skew_pp":-2.913141309474284,"implied_move_pct":16.932008515309093,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"17a1f338ed62d1c2ca16cf8f8161b3d2a5e4445f9698fcdcb1c44802a2c0806b","expiries":["2026-08-21","2026-09-18","2026-10-16","2026-12-18"]},{"date":"2026-08-21","observed_at":"2026-08-21T15:59:00-04:00","iv_pct":50.24660066483423,"put_call_skew_pp":-1.0056346530243072,"implied_move_pct":23.74382772221316,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"b8eef95c6dd9ebe335819f0cd1e65ba0e4bf2fc1ee5a48373cd6388ac1ed902c","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-08-24","observed_at":"2026-08-24T15:59:00-04:00","iv_pct":51.180140732684116,"put_call_skew_pp":-1.2727937012516222,"implied_move_pct":23.67792272879707,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"f97d15f99ab08aa7a5efdb350ce6a1ca8c04bec7c5aadda01c2a686f95374ae1","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-08-25","observed_at":"2026-08-25T15:59:00-04:00","iv_pct":50.061352919582845,"put_call_skew_pp":1.505431948929692,"implied_move_pct":23.06726553907241,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"661c694ccc805ac8cf35c987ba730082c6fe51155b57642ef61ca57573754c51","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-08-26","observed_at":"2026-08-26T15:59:00-04:00","iv_pct":50.59046078261496,"put_call_skew_pp":-0.8314738866713824,"implied_move_pct":22.91395142459342,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"85c92e2b9892845d9b4375c3e7be61986ddf7ab92cb1ea4c37ff39ac079da4e8","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-08-27","observed_at":"2026-08-27T15:59:00-04:00","iv_pct":49.287627890287,"put_call_skew_pp":-1.4024547849368822,"implied_move_pct":22.253777169866268,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"947dfede4be3dde21adfe9e961574172dacc124ef01d21b88a4edacd51479d56","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-08-28","observed_at":"2026-08-28T15:59:00-04:00","iv_pct":49.971252294619006,"put_call_skew_pp":-2.8116143725006424,"implied_move_pct":22.41471341099264,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"da032a6337022f35f3eed8d5fa41c8775cdd6903b2373def748eca479551e7ac","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-08-31","observed_at":"2026-08-31T15:59:00-04:00","iv_pct":50.082631621839525,"put_call_skew_pp":-1.2728283125363298,"implied_move_pct":21.954183248604124,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"51beb471f853111610c6d1b95a874e5665e5c0b65c087374dee67086a5b3aaf3","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-09-01","observed_at":"2026-09-01T15:59:00-04:00","iv_pct":50.22525997299005,"put_call_skew_pp":-0.5118035259361662,"implied_move_pct":21.755011626875305,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"038cdd3fccde90f30e107c5583e88542726f33d3a4b69eb0ec173c8787859d7a","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-09-02","observed_at":"2026-09-02T15:59:00-04:00","iv_pct":49.629933791630805,"put_call_skew_pp":-3.3889059434426727,"implied_move_pct":21.219442254523877,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"bc0ba2294dfff2dd3c9e91e770b6507cc9c3633750e48b411575d923b888fd05","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-09-03","observed_at":"2026-09-03T15:59:00-04:00","iv_pct":49.08420170013797,"put_call_skew_pp":-0.4922674451947735,"implied_move_pct":20.88236073251907,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"462a794272d312b9fdead0291a18182856fdd4805c7b01b60a872fcd8c3c7b7d","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-09-04","observed_at":"2026-09-04T15:59:00-04:00","iv_pct":48.59380708501542,"put_call_skew_pp":-1.4540026028776243,"implied_move_pct":20.540512129642753,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"beecfece15097bbe31474e8fee3576dc48db8109f11fd1623de3a97a54531209","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-09-08","observed_at":"2026-09-08T15:59:00-04:00","iv_pct":51.968200667779044,"put_call_skew_pp":-2.378981241191024,"implied_move_pct":20.71392208891585,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"52ab8383cb0db4496c1bdf4b56cae74ca8cdf1ec401e8f18992b8ec0a1e676f5","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-09-09","observed_at":"2026-09-09T15:59:00-04:00","iv_pct":51.455616422071856,"put_call_skew_pp":-3.424497263342726,"implied_move_pct":20.499301843924417,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"e4d3474d6779f476fd125472b65da04537f07024df3063057061e04f46824b63","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-09-10","observed_at":"2026-09-10T15:59:00-04:00","iv_pct":50.55591669434138,"put_call_skew_pp":0.9516362977054609,"implied_move_pct":20.143818048022545,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"7b0d4ed34139851f3e97afce29c60d316d22488cbdd64f50e1059c1c0b28ef34","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-09-11","observed_at":"2026-09-11T15:59:00-04:00","iv_pct":50.07712666189826,"put_call_skew_pp":0.9197035046019675,"implied_move_pct":19.565678553280307,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"d9a1e363e5912c34880d4eaa222300265a85a4779b1c2a2152c2b3a1d2beff9e","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-09-14","observed_at":"2026-09-14T15:59:00-04:00","iv_pct":54.2052423245063,"put_call_skew_pp":-4.030813898443155,"implied_move_pct":19.673521565345595,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"9819cca07729fd7874469508c1e58e704696e39ef60d0d3b1c2d753b4c617db1","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-09-15","observed_at":"2026-09-15T15:59:00-04:00","iv_pct":52.53720932969816,"put_call_skew_pp":2.2131725709529366,"implied_move_pct":18.922127886667447,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"f7cbb3376fa2938815b6389a80bec20d1bef9e55068b8a022161b894397196ef","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-01-15"]},{"date":"2026-09-18","observed_at":"2026-09-18T15:59:00-04:00","iv_pct":52.63989444534598,"put_call_skew_pp":-0.7786477889554924,"implied_move_pct":23.165280638673014,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"9dece11cb993176368bd9fd0c59c2bd16495c8656f06c6c3f4499c14d7205c64","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-09-21","observed_at":"2026-09-21T15:59:00-04:00","iv_pct":52.126600791217435,"put_call_skew_pp":0.7718188963113981,"implied_move_pct":22.31399734283596,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"eaa19810f8bda8a52341e1bafff1df5333b860ab019707fb0554f7989d64cb78","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-09-22","observed_at":"2026-09-22T15:59:00-04:00","iv_pct":52.54385928914995,"put_call_skew_pp":-1.6963007287497653,"implied_move_pct":22.3094793295839,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"3acb29f230a5cecd7a94933e07f60485c859bfdd74032754ae4e406d80ba050e","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-09-23","observed_at":"2026-09-23T15:59:00-04:00","iv_pct":52.85783419756363,"put_call_skew_pp":-3.525187110837141,"implied_move_pct":22.289340211474297,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"b43608fd580cd8482e35e3b13011fcfb6f071c2113c9bd8487ba953476886985","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-09-24","observed_at":"2026-09-24T15:59:00-04:00","iv_pct":53.8224745337189,"put_call_skew_pp":-1.7245813409447397,"implied_move_pct":22.445397829447604,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1e4cad06ab2873346e1f9d43203316e153ae563e729b23be961c2c23d404c3d6","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-09-25","observed_at":"2026-09-25T15:59:00-04:00","iv_pct":53.08260381190741,"put_call_skew_pp":-0.3465076366759412,"implied_move_pct":21.845471553845243,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1c57d3a9daece09447a56b42a03d25215407e216059409e04b1803c29ff859b3","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-09-28","observed_at":"2026-09-28T15:59:00-04:00","iv_pct":53.75370290003367,"put_call_skew_pp":-5.267854763834428,"implied_move_pct":21.499457271889778,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"55a033a3c8c0f69e7377c1cf7340b778b2b06546011f9fd3b31473c799185732","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-09-29","observed_at":"2026-09-29T15:59:00-04:00","iv_pct":54.828958035851656,"put_call_skew_pp":0.9150482482556068,"implied_move_pct":21.74529731618203,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"2df3ed67152c560ae12049432f31c7639d5a76f00d9d803c143535e13fc39077","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-09-30","observed_at":"2026-09-30T15:59:00-04:00","iv_pct":53.37459333238809,"put_call_skew_pp":-3.099710655025701,"implied_move_pct":20.996321263100413,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"aa22e63235761f2483d649886afb689846b52c1b4bd4809e5e8f886ee9fab94e","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-10-01","observed_at":"2026-10-01T15:59:00-04:00","iv_pct":52.73394924724279,"put_call_skew_pp":-0.5110668568498777,"implied_move_pct":20.585932252627625,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"e0210bfca872a6e7bd5b95c217d4997d0d4b26c5e7d61ea722fe749ec508be26","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-10-02","observed_at":"2026-10-02T15:59:00-04:00","iv_pct":52.039430549162184,"put_call_skew_pp":0.8005907462695685,"implied_move_pct":20.13547791995451,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"c3ec3be60d9e58ad845702bd14a3958bdbb9e46c2ca5c387b1881fc8af2e5a41","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-10-05","observed_at":"2026-10-05T15:59:00-04:00","iv_pct":51.77368361519993,"put_call_skew_pp":-2.579458404380043,"implied_move_pct":19.316214032258394,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"b0037d60ca9642d7baa7e56a24fd8c8d4a2bf5a1b814dd535f40c8b8f9331bdb","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-10-06","observed_at":"2026-10-06T15:59:00-04:00","iv_pct":51.226917220643884,"put_call_skew_pp":-0.8729622007806697,"implied_move_pct":18.879841978584935,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"f2f64704c708a668820d13a33c8751e0da2ef968963b6b9c0f406763c0d17158","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-10-07","observed_at":"2026-10-07T15:59:00-04:00","iv_pct":51.43998582104514,"put_call_skew_pp":-1.6052221656838093,"implied_move_pct":18.673399058102238,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"cea534d45549454f1fc3e061a69321f795e767f0c34b8187da8f8c0a3261296d","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-10-08","observed_at":"2026-10-08T15:59:00-04:00","iv_pct":50.95911492683371,"put_call_skew_pp":0.3642508444223651,"implied_move_pct":18.313569681666465,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"0a658a0a0e869dc1dd545632fbc0224eacf1f1e694bd51b1e73d1ee929f4b2bd","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-10-09","observed_at":"2026-10-09T15:59:00-04:00","iv_pct":48.40168289235425,"put_call_skew_pp":4.072607030695382,"implied_move_pct":17.40895880949354,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"9f64eef37c5349779974d767fce52307bdf6344d7b6b3bb095f74ebb3218ea8a","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-10-12","observed_at":"2026-10-12T15:59:00-04:00","iv_pct":49.78693298738266,"put_call_skew_pp":-4.354505158818789,"implied_move_pct":16.76666736445157,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"081c525a2f4e171b24dc7ffd447d83a0aa3302dc96c3e9f4a8803a1d2bfe5f9e","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-10-13","observed_at":"2026-10-13T15:59:00-04:00","iv_pct":51.20047715685831,"put_call_skew_pp":1.9110551244292644,"implied_move_pct":16.833415172388293,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"0d40cab543f7a70dc3399b758cb0a87577ba4c1b83a3a91ce8d21dfd07b95391","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-01-15"]},{"date":"2026-10-16","observed_at":"2026-10-16T15:59:00-04:00","iv_pct":50.397617081399375,"put_call_skew_pp":-0.6250906386724466,"implied_move_pct":22.73926383131353,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"5e293e9fbaa22b519db7be0b099c6985dc5084517b2f490d00312429bbc07f7e","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-02-19"]},{"date":"2026-10-19","observed_at":"2026-10-19T15:59:00-04:00","iv_pct":51.157785242230375,"put_call_skew_pp":-2.0012950529297804,"implied_move_pct":22.490725602498784,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"043252809a2f596827dcfe14acd6bb929e25b167b1dca8f94702fc9dd9e49039","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-02-19"]},{"date":"2026-10-20","observed_at":"2026-10-20T15:59:00-04:00","iv_pct":52.699402933019115,"put_call_skew_pp":-2.863118154095245,"implied_move_pct":23.04892207757272,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"a3010eb18b64dff4db655df50f602f66e4a47f08940a91b25e64703a3c9656dd","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-02-19"]},{"date":"2026-10-21","observed_at":"2026-10-21T15:59:00-04:00","iv_pct":49.8921557810901,"put_call_skew_pp":-1.1774132212423911,"implied_move_pct":21.75206611492628,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"21b68340d09b811ff64862fd3f5c413c30241fb4f432ea9a4de3ac2f057a1710","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-02-19"]},{"date":"2026-10-22","observed_at":"2026-10-22T15:59:00-04:00","iv_pct":50.5221383927155,"put_call_skew_pp":-0.018095270801840257,"implied_move_pct":21.796312241170803,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"c67c3ecb45eed19ed676c9e861a3823362f2686663e5063340473d6fe0987659","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-02-19"]},{"date":"2026-10-23","observed_at":"2026-10-23T15:59:00-04:00","iv_pct":51.45548761554732,"put_call_skew_pp":0.589378324102837,"implied_move_pct":21.995868759872018,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"25ca594e576bfcd78663fc6c6f7338a38ee7ea4ea2f26c9723cae4ce49b1f0c6","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-02-19"]},{"date":"2026-10-26","observed_at":"2026-10-26T15:59:00-04:00","iv_pct":51.29848764801719,"put_call_skew_pp":-0.9836064381060705,"implied_move_pct":21.434681079723543,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"21121d1a82cee72d0a0cf73e1252223f1be43f87de6f62063b1e578416aa1bf4","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-02-19"]},{"date":"2026-10-27","observed_at":"2026-10-27T15:59:00-04:00","iv_pct":50.63015805888908,"put_call_skew_pp":-0.4274086199411542,"implied_move_pct":21.022622754979196,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"bcb885de6ac00cc4d92d8f6cef086e39d975329937d0dc9e0e7e0b42ad2e1316","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-02-19"]},{"date":"2026-10-28","observed_at":"2026-10-28T15:59:00-04:00","iv_pct":50.68544859499087,"put_call_skew_pp":-1.9581462915183305,"implied_move_pct":20.82338841862998,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"bfcbb84e821434d14a11aa05d4d51dcb4a7a9b282ad89c57ce7d7fec66e3e0e6","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-02-19"]},{"date":"2026-10-29","observed_at":"2026-10-29T15:59:00-04:00","iv_pct":50.175437206352086,"put_call_skew_pp":-0.7856515543008786,"implied_move_pct":20.50361110055124,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"367e4fc7b08139f50f16b2a8fc38ab77bc0a1ebe5418704d3b4ed7b340a26e30","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-02-19"]},{"date":"2026-10-30","observed_at":"2026-10-30T15:59:00-04:00","iv_pct":51.87576888658579,"put_call_skew_pp":4.520127432796897,"implied_move_pct":20.920411692379066,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"3315184d963b4234097a5fb9acca9a8a5f63345c3d1fb5373918914d44bf3ee9","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-02-19"]}]}