{"schemaVersion":1,"symbol":"DUK","days":90,"observations":[{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-10-21T19:50:00.436000+00:00","captured_at":"2026-10-22T03:46:53.864Z","last_trade_at":"2026-10-21T23:00:00.002445436Z","price":120.67,"iv_pct":18.905180637928197,"implied_move_pct":4.683491495013852,"put_call_skew_pp":5.2612986968054445,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"565d78e4e824107680bc04c070dbfa677f27cbba54f079ce17f4eb544603154c"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-10-22T17:26:27.244000+00:00","captured_at":"2026-10-22T17:31:35.663Z","last_trade_at":"2026-10-22T17:31:23.833266961Z","price":124.435,"iv_pct":19.949979462875195,"implied_move_pct":4.577794587980914,"put_call_skew_pp":5.225267731869038,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"02c302d05b58e676c013dcb02382b337b680340bfb322487c547bbe78cd4fd1d"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-10-22T19:56:40.283000+00:00","captured_at":"2026-10-23T01:53:40.461Z","last_trade_at":"2026-10-22T23:00:00.001786403Z","price":125.4,"iv_pct":19.058740779826707,"implied_move_pct":4.61758763868529,"put_call_skew_pp":5.283208551784213,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"039719785138cb9d062d35e2c9cd4d48b21c069a17ed7f275968e6cfcf0ec9b6"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-10-23T16:26:24.185000+00:00","captured_at":"2026-10-23T16:35:56.117Z","last_trade_at":"2026-10-23T16:35:24.730782101Z","price":124.63,"iv_pct":20.313836115441873,"implied_move_pct":4.874345243394418,"put_call_skew_pp":6.142781166248856,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"5a9aadf6880e03fee98a17c524aba151f39e4dfd7e15ab36503a4949b68c91e8"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-10-23T19:58:49.634000+00:00","captured_at":"2026-10-24T04:08:47.646Z","last_trade_at":"2026-10-23T23:00:00.001794855Z","price":124.98,"iv_pct":20.23626126862706,"implied_move_pct":4.591232194205544,"put_call_skew_pp":5.976050163633309,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"c06cc811ef36cb1cf4b98d4012c42736382d69d6a407eabd1280107c58c2fd99"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-10-26T19:55:09.013000+00:00","captured_at":"2026-10-26T21:56:53.904Z","last_trade_at":"2026-10-26T20:10:00.002439692Z","price":124.44,"iv_pct":19.73131879246357,"implied_move_pct":4.203161996375632,"put_call_skew_pp":6.439650332536323,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"2524dd21c50ba945534044fec46cdecda7606a0c9988659476416ad565a2a1c1"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-10-27T19:55:02.003000+00:00","captured_at":"2026-10-27T22:39:26.591Z","last_trade_at":"2026-10-27T22:30:00.002477992Z","price":124.8,"iv_pct":19.996742769275397,"implied_move_pct":4.258282881569225,"put_call_skew_pp":8.059018045284693,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"faeb802268db115598d7531adc4c7fcca955bb7b061cc409056e967fe445420e"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-10-28T19:39:28.629000+00:00","captured_at":"2026-10-28T19:41:15.156Z","last_trade_at":"2026-10-28T19:41:14.757760546Z","price":123.6251,"iv_pct":20.67590797089202,"implied_move_pct":4.443569756620068,"put_call_skew_pp":4.5855090374632566,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"e25c1f2135e23467339a40b151e2888a7fa403eb549187c98b077922021962f3"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-10-28T19:56:18.176000+00:00","captured_at":"2026-10-29T02:17:38.216Z","last_trade_at":"2026-10-28T23:08:52.845318497Z","price":124.2365,"iv_pct":20.557642284335127,"implied_move_pct":4.276029963342771,"put_call_skew_pp":-20.753152178208634,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"9d7a02ca46970398729140159936a47f2f201fae0d862b4337a7e4f9d93a978d"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-10-29T19:55:09.091000+00:00","captured_at":"2026-10-29T22:35:27.864Z","last_trade_at":"2026-10-29T22:30:00.003196404Z","price":125.9,"iv_pct":19.869246230409313,"implied_move_pct":4.341636847176017,"put_call_skew_pp":5.34608047613028,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"0e71eca04acae833078ab4cd1b26f1057d456dbfb86b6f93df2ff01ef0bb5254"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-10-30T19:55:08.167000+00:00","captured_at":"2026-10-30T21:57:34.679Z","last_trade_at":"2026-10-30T21:41:53.108080047Z","price":127.9,"iv_pct":20.520614267233274,"implied_move_pct":4.278042242593042,"put_call_skew_pp":9.338876830786774,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"37314c0eb930da047750d8bb81afcab22b2f15196a0de0344a48c85f8fad21c3"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-11-03T15:34:31.316000+00:00","captured_at":"2026-11-03T15:41:58.076Z","last_trade_at":"2026-11-03T15:41:48.452510828Z","price":127.23,"iv_pct":23.818163280459984,"implied_move_pct":4.541158390951076,"put_call_skew_pp":7.799734344922394,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"33fc0ef3dc85da732cde42a63d6770b7db7f326c47f4350905e2e026ec9f4fb7"},{"symbol":"DUK","expiry":"2026-11-20","observed_at":"2026-11-06T20:58:40.559000+00:00","captured_at":"2026-11-09T09:08:52.361Z","last_trade_at":"2026-11-09T09:00:00.024822752Z","price":127.8,"iv_pct":22.243259773853655,"implied_move_pct":3.5361052189293973,"put_call_skew_pp":6.013886781119296,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/DUK","source_hash":"af2d6c3bf84c776c29722335432c1a1618d9f79f769c5ef9111c4f53a26042dc"}],"dailyIv":[{"symbol":"DUK","date":"2026-08-21","iv_pct":17.677371598709975,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":17.214978165938863,"put_iv_pct":16.456254533465216},{"expiry":"2026-10-16","call_iv_pct":17.59081035214255,"put_iv_pct":17.09471293916024},{"expiry":"2026-12-18","call_iv_pct":18.539913846153848,"put_iv_pct":19.172053982883476},{"expiry":"2027-01-15","call_iv_pct":16.93768308921438,"put_iv_pct":18.41256588072122}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"874bb11af302464f9f1503a55872d8ec0fe00602a8cdb19c3580c04b35de8e54","captured_at":"2026-10-24T22:08:03.633315+00:00","observed_at":"2026-08-21T15:59:00-04:00","session_close_at":"2026-08-21T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-08-21","end_date":"2026-08-21","strike_range":20,"format":"json"},"source_hash":"52df495b4d055d1afc51b68642f32facb2b9d584142f4e67e243b10a3234058c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"2dfc1369df42e58df77f006f36669365eb906b7d3bb772f2693783225855a28b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"d2c21ef4697ee89ac45e6def1c4bfd91364a14876caf2d50542a6164dbc01d18"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"9ab0c6b2cf5505c72def5f0fc6b21b73b1123f34285bbf7df5c0136457d009fc"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"b63e19ca3fe9447b1429fcbd52db0e8d141f4163d6d6926974ab57935f699589"}]},{"symbol":"DUK","date":"2026-08-24","iv_pct":17.720728294792806,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":17.26824838073782,"put_iv_pct":15.833227863625215},{"expiry":"2026-10-16","call_iv_pct":17.77149512918255,"put_iv_pct":17.76207363520948},{"expiry":"2026-12-18","call_iv_pct":15.780555234239447,"put_iv_pct":20.930014641288434},{"expiry":"2027-01-15","call_iv_pct":16.172966818477555,"put_iv_pct":20.24724465558195}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"8088aaf895329dcae1a9423e8a8df40d068979ea43f36da760c52e915e6653a5","captured_at":"2026-10-24T22:07:53.129751+00:00","observed_at":"2026-08-24T15:59:00-04:00","session_close_at":"2026-08-24T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-08-24","end_date":"2026-08-24","strike_range":20,"format":"json"},"source_hash":"f26ef495468bc7a3000e42f12e9463d7c0a07be7d79f95d9d8b7e22f895d173f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"0090dc1bcd3623e6a33d3c96344e5c182d1d0d21cd327e3ce7d297fe17f85d6a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f1a131c6b56ce2d0e41d1e252d617dfa8633819aa3005e2fd0e302ec6b325b50"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"8d55fc3367ceedd2e970069a1ba807945f371037c904020ca5a74f03612e340e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"3d6c9634eacf8e920b942da49d5f5ae5f983ecfa686f0a9d8952fc47a9edb158"}]},{"symbol":"DUK","date":"2026-08-25","iv_pct":17.74266396082757,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":17.115983879933296,"put_iv_pct":16.553557046979865},{"expiry":"2026-10-16","call_iv_pct":18.216106870229005,"put_iv_pct":16.942098569157395},{"expiry":"2026-12-18","call_iv_pct":17.301431192660548,"put_iv_pct":19.69893250688705},{"expiry":"2027-01-15","call_iv_pct":16.85365308804205,"put_iv_pct":19.259548532731376}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"94892b10760ce88b9c386b4eb4a3f2cb21888258d3e9f4a15c28aefe61c91201","captured_at":"2026-10-24T22:07:51.495187+00:00","observed_at":"2026-08-25T15:59:00-04:00","session_close_at":"2026-08-25T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-08-25","end_date":"2026-08-25","strike_range":20,"format":"json"},"source_hash":"ed8b0f665a41c5e4563ad758e1e46b228320a435bf896e9f8b3400a09a96b2e4"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"0090dc1bcd3623e6a33d3c96344e5c182d1d0d21cd327e3ce7d297fe17f85d6a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f1a131c6b56ce2d0e41d1e252d617dfa8633819aa3005e2fd0e302ec6b325b50"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"8d55fc3367ceedd2e970069a1ba807945f371037c904020ca5a74f03612e340e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"3d6c9634eacf8e920b942da49d5f5ae5f983ecfa686f0a9d8952fc47a9edb158"}]},{"symbol":"DUK","date":"2026-08-26","iv_pct":17.780457702697404,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":17.669051460361615,"put_iv_pct":16.51379680544645},{"expiry":"2026-10-16","call_iv_pct":17.50412126177796,"put_iv_pct":17.28169971671388},{"expiry":"2026-12-18","call_iv_pct":16.731322115384618,"put_iv_pct":19.763333333333335},{"expiry":"2027-01-15","call_iv_pct":16.837625329815303,"put_iv_pct":19.94271159874608}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"4aa3ae8c64e3efc19da5792534d60813426c486e6def708ad6789f6cd3f180d9","captured_at":"2026-10-24T22:07:49.491534+00:00","observed_at":"2026-08-26T15:59:00-04:00","session_close_at":"2026-08-26T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-08-26","end_date":"2026-08-26","strike_range":20,"format":"json"},"source_hash":"2ccafe83c4905d41ebd61a80b7f302130d6dddcff3ba2b3c4e086d427c4e48c8"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"0090dc1bcd3623e6a33d3c96344e5c182d1d0d21cd327e3ce7d297fe17f85d6a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f1a131c6b56ce2d0e41d1e252d617dfa8633819aa3005e2fd0e302ec6b325b50"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"8d55fc3367ceedd2e970069a1ba807945f371037c904020ca5a74f03612e340e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"3d6c9634eacf8e920b942da49d5f5ae5f983ecfa686f0a9d8952fc47a9edb158"}]},{"symbol":"DUK","date":"2026-08-27","iv_pct":17.537837704423485,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":18.088897160187482,"put_iv_pct":15.546046511627907},{"expiry":"2026-10-16","call_iv_pct":17.662857142857145,"put_iv_pct":16.53135349172066},{"expiry":"2026-12-18","call_iv_pct":16.579151103565366,"put_iv_pct":19.218251928020567},{"expiry":"2027-01-15","call_iv_pct":17.644035206499662,"put_iv_pct":19.032109090909092}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"bfe3041bf9bd55c6d1f5ddf98ebdb61783f4ac278c2f6996747e045af9660c16","captured_at":"2026-10-24T22:07:47.595146+00:00","observed_at":"2026-08-27T15:59:00-04:00","session_close_at":"2026-08-27T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-08-27","end_date":"2026-08-27","strike_range":20,"format":"json"},"source_hash":"0b48b2c256dade08b5b13f30e0729645ae99860f543fde422728aaee8abbec7f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"0090dc1bcd3623e6a33d3c96344e5c182d1d0d21cd327e3ce7d297fe17f85d6a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f1a131c6b56ce2d0e41d1e252d617dfa8633819aa3005e2fd0e302ec6b325b50"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"8d55fc3367ceedd2e970069a1ba807945f371037c904020ca5a74f03612e340e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"3d6c9634eacf8e920b942da49d5f5ae5f983ecfa686f0a9d8952fc47a9edb158"}]},{"symbol":"DUK","date":"2026-08-28","iv_pct":17.27337766581196,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":15.148219797764769,"put_iv_pct":17.86964757709251},{"expiry":"2026-10-16","call_iv_pct":16.978844106463878,"put_iv_pct":17.348890656063617},{"expiry":"2026-12-18","call_iv_pct":15.840267321331151,"put_iv_pct":19.56804347826087},{"expiry":"2027-01-15","call_iv_pct":16.377338308457713,"put_iv_pct":19.055770081061162}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"7d216072b199f9b4654f0e6aa24447d30e4c2d30592a47b57b762cb18a1bd802","captured_at":"2026-10-24T22:07:45.903332+00:00","observed_at":"2026-08-28T15:59:00-04:00","session_close_at":"2026-08-28T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-08-28","end_date":"2026-08-28","strike_range":20,"format":"json"},"source_hash":"c58acc96290ab3d5c6c3851417f3256db2dc54c32c2550ae2eb67b2397799879"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"0090dc1bcd3623e6a33d3c96344e5c182d1d0d21cd327e3ce7d297fe17f85d6a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f1a131c6b56ce2d0e41d1e252d617dfa8633819aa3005e2fd0e302ec6b325b50"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"8d55fc3367ceedd2e970069a1ba807945f371037c904020ca5a74f03612e340e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"3d6c9634eacf8e920b942da49d5f5ae5f983ecfa686f0a9d8952fc47a9edb158"}]},{"symbol":"DUK","date":"2026-08-31","iv_pct":17.327912053322372,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":15.409203207216235,"put_iv_pct":14.992612977983777},{"expiry":"2026-10-16","call_iv_pct":16.94909022556391,"put_iv_pct":17.092600790513835},{"expiry":"2026-12-18","call_iv_pct":17.275536028119507,"put_iv_pct":20.352785862785865},{"expiry":"2027-01-15","call_iv_pct":16.435502156500306,"put_iv_pct":20.115965177895532}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"3fe6fe784c76896905f03925ef4d0cab115429ad07a05f178f36b26cba88bd20","captured_at":"2026-10-24T22:07:37.456214+00:00","observed_at":"2026-08-31T15:59:00-04:00","session_close_at":"2026-08-31T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-08-31","end_date":"2026-08-31","strike_range":20,"format":"json"},"source_hash":"de353bdca3a20b0b87645bfe456469cbca881b934df29e109154bf5c1367b01e"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"148c8a43fc961daa58f5397848bac0cd327cec0dc05bd9b2d8b0f4f706109cbd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"48b46a77deec720a2b0a6c27701c533b083e5c44bb2abe21fc844d38cc2a55ea"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"91d33ad3f773e67646e821b290aca4909dde9ae08f438942ba4ccf6c61bb43c5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"0832274da3ffdb0cf891dc3c6b479e1d16763e4a33c5152dba60c534f185426d"}]},{"symbol":"DUK","date":"2026-09-01","iv_pct":17.807464174848583,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":16.8227828670463,"put_iv_pct":16.99680358083202},{"expiry":"2026-10-16","call_iv_pct":16.800109289617488,"put_iv_pct":18.042329430763022},{"expiry":"2026-12-18","call_iv_pct":16.437454853273138,"put_iv_pct":20.678840579710144},{"expiry":"2027-01-15","call_iv_pct":16.99832262210797,"put_iv_pct":19.683070175438598}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"a332c64ae462f939ba85f91c63bdff6f4166924c0a71b9f8095ef0f4e147dbdd","captured_at":"2026-10-24T22:07:32.983570+00:00","observed_at":"2026-09-01T15:59:00-04:00","session_close_at":"2026-09-01T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-01","end_date":"2026-09-01","strike_range":20,"format":"json"},"source_hash":"f66d02ec65bfd56c16402a554e373b3d5dcc879a09bd3514554be66b4dda7366"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"4494024de6a3753510aba3200fe8551f982b8f024557753836e6079999423853"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"c51b2134450bf2c3c29ddb9e97d20c6b2264bc0befa5a18a4c3ed5cd39498f58"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"9cd3107cfb90d461542cd808f37a488f346a50cf39e589874f7d023263dd59ef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"64d8e7e2d5140f02a94be43f4c73207e7ef550a5c0623004dcd18d1bfe197ef9"}]},{"symbol":"DUK","date":"2026-09-02","iv_pct":17.686642766247232,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":15.97635792019347,"put_iv_pct":18.180564640543043},{"expiry":"2026-10-16","call_iv_pct":16.90015395894428,"put_iv_pct":17.965159914712153},{"expiry":"2026-12-18","call_iv_pct":15.482904522613063,"put_iv_pct":20.20804347826087},{"expiry":"2027-01-15","call_iv_pct":16.53995012468828,"put_iv_pct":20.240007570022712}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"43faa01e247423570e56a8ddd2557f01eb9d25885e0d00d1b54af883dec8680a","captured_at":"2026-10-24T22:07:30.413901+00:00","observed_at":"2026-09-02T15:59:00-04:00","session_close_at":"2026-09-02T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-02","end_date":"2026-09-02","strike_range":20,"format":"json"},"source_hash":"f31ab92b0da668bf17201caada4163abe6b4beee26c1811464ceb59edf8669bd"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"4494024de6a3753510aba3200fe8551f982b8f024557753836e6079999423853"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"c51b2134450bf2c3c29ddb9e97d20c6b2264bc0befa5a18a4c3ed5cd39498f58"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"9cd3107cfb90d461542cd808f37a488f346a50cf39e589874f7d023263dd59ef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"64d8e7e2d5140f02a94be43f4c73207e7ef550a5c0623004dcd18d1bfe197ef9"}]},{"symbol":"DUK","date":"2026-09-03","iv_pct":17.39382435010486,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":16.47653846153846,"put_iv_pct":16.806466165413536},{"expiry":"2026-10-16","call_iv_pct":16.780133333333332,"put_iv_pct":17.065248917748917},{"expiry":"2026-12-18","call_iv_pct":15.95685561497326,"put_iv_pct":19.841948310139166},{"expiry":"2027-01-15","call_iv_pct":16.841302972802026,"put_iv_pct":19.38210102489019}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"e46cbd665669a5ef338855c8f3ebc7081ccaffd03f2a947812d3085f7644dad5","captured_at":"2026-10-24T22:07:28.543987+00:00","observed_at":"2026-09-03T15:59:00-04:00","session_close_at":"2026-09-03T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-03","end_date":"2026-09-03","strike_range":20,"format":"json"},"source_hash":"de0c8ea54042ffeb90ee5d81d704b4bc0515b9cf3fd06679d586e24acbf59feb"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"4494024de6a3753510aba3200fe8551f982b8f024557753836e6079999423853"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"c51b2134450bf2c3c29ddb9e97d20c6b2264bc0befa5a18a4c3ed5cd39498f58"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"9cd3107cfb90d461542cd808f37a488f346a50cf39e589874f7d023263dd59ef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"64d8e7e2d5140f02a94be43f4c73207e7ef550a5c0623004dcd18d1bfe197ef9"}]},{"symbol":"DUK","date":"2026-09-04","iv_pct":18.588826502921098,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":20.72263978001833,"put_iv_pct":16.96758933064922},{"expiry":"2026-10-16","call_iv_pct":16.580049964311208,"put_iv_pct":17.295958605664488},{"expiry":"2026-12-18","call_iv_pct":17.33004975124378,"put_iv_pct":22.651026615969585},{"expiry":"2027-01-15","call_iv_pct":17.278858447488584,"put_iv_pct":19.884439528023602}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"5351b9d3560bf742e99c5cdf530bf63d68539b8fd7487f52ab86fbcaa76086e8","captured_at":"2026-10-24T22:07:26.787683+00:00","observed_at":"2026-09-04T15:59:00-04:00","session_close_at":"2026-09-04T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-04","end_date":"2026-09-04","strike_range":20,"format":"json"},"source_hash":"87ff6942e8b11b411f1aa32765f80fc5fc5a323ac0ca855a2316007558f47c86"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"4494024de6a3753510aba3200fe8551f982b8f024557753836e6079999423853"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"c51b2134450bf2c3c29ddb9e97d20c6b2264bc0befa5a18a4c3ed5cd39498f58"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"9cd3107cfb90d461542cd808f37a488f346a50cf39e589874f7d023263dd59ef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"64d8e7e2d5140f02a94be43f4c73207e7ef550a5c0623004dcd18d1bfe197ef9"}]},{"symbol":"DUK","date":"2026-09-08","iv_pct":19.38850791903962,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":19.62319551215458,"put_iv_pct":26.54496151445808},{"expiry":"2026-10-16","call_iv_pct":17.897081684059014,"put_iv_pct":18.3360251665433},{"expiry":"2026-12-18","call_iv_pct":16.427187000532765,"put_iv_pct":20.212013157894738},{"expiry":"2027-01-15","call_iv_pct":16.05681818181818,"put_iv_pct":20.010781134856302}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"137a94378a68f3cfd09aae0167aa957a6c8da90bb3855902cc60d2367ba44575","captured_at":"2026-10-24T22:07:16.190884+00:00","observed_at":"2026-09-08T15:59:00-04:00","session_close_at":"2026-09-08T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-08","end_date":"2026-09-08","strike_range":20,"format":"json"},"source_hash":"ebfeb14fdd65316fc460eb4c9518b37c0bca55a7b0b395df55180066939bf84f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"d0eff78c0d80e83f4a341c0a0c4227d65a00fdbb8860c36aa6eb7fff5320ebeb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"2d9fabb24ac54475a359513862dfa873d2765994bbfb2b12b2d318ad781e3f91"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"48ceca63c2228e0be881a0d44833cebc4c25391106108d0001e18bd0a61d9c9c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"08de2fb7b0ff5d6d876d48c7826891556aa4954a8881d1cf78b568b12064734f"}]},{"symbol":"DUK","date":"2026-09-09","iv_pct":20.068926638245184,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":33.245902584917765,"put_iv_pct":19.01627572016461},{"expiry":"2026-10-16","call_iv_pct":17.093491561181434,"put_iv_pct":17.1242653545979},{"expiry":"2026-12-18","call_iv_pct":16.676752043596732,"put_iv_pct":19.80284023668639},{"expiry":"2027-01-15","call_iv_pct":16.814261083743844,"put_iv_pct":20.777624521072795}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"e86753c275d1249be305a6988e8046e075214e8787cb4f9b85927f581691aac0","captured_at":"2026-10-24T22:06:44.789184+00:00","observed_at":"2026-09-09T15:59:00-04:00","session_close_at":"2026-09-09T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-09","end_date":"2026-09-09","strike_range":20,"format":"json"},"source_hash":"fbe88b5f2d53290726160bf75d75b67a321734c88b23be1f2649a2f35fd15de9"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"d0eff78c0d80e83f4a341c0a0c4227d65a00fdbb8860c36aa6eb7fff5320ebeb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"2d9fabb24ac54475a359513862dfa873d2765994bbfb2b12b2d318ad781e3f91"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"48ceca63c2228e0be881a0d44833cebc4c25391106108d0001e18bd0a61d9c9c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"08de2fb7b0ff5d6d876d48c7826891556aa4954a8881d1cf78b568b12064734f"}]},{"symbol":"DUK","date":"2026-09-10","iv_pct":18.56693259656889,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":19.477254593175854,"put_iv_pct":16.901663992665597},{"expiry":"2026-10-16","call_iv_pct":18.213369330453563,"put_iv_pct":17.078115838398283},{"expiry":"2026-12-18","call_iv_pct":18.084611048478017,"put_iv_pct":21.3003550295858},{"expiry":"2027-01-15","call_iv_pct":17.301847894406034,"put_iv_pct":20.178243045387994}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"d10716327c578239c50ccb2cc34e5a75846f302948420161e0976e10eb0e932a","captured_at":"2026-10-24T22:06:42.484555+00:00","observed_at":"2026-09-10T15:59:00-04:00","session_close_at":"2026-09-10T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-10","end_date":"2026-09-10","strike_range":20,"format":"json"},"source_hash":"9387cee7772a8746fe6b055be23dfabdff8dc0df6f48c9983b6a469ebf5a7d3a"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"d0eff78c0d80e83f4a341c0a0c4227d65a00fdbb8860c36aa6eb7fff5320ebeb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"2d9fabb24ac54475a359513862dfa873d2765994bbfb2b12b2d318ad781e3f91"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"48ceca63c2228e0be881a0d44833cebc4c25391106108d0001e18bd0a61d9c9c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"08de2fb7b0ff5d6d876d48c7826891556aa4954a8881d1cf78b568b12064734f"}]},{"symbol":"DUK","date":"2026-09-18","iv_pct":17.334283887799394,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":16.704329632792486,"put_iv_pct":16.212610741971208},{"expiry":"2026-11-20","call_iv_pct":16.04264828738513,"put_iv_pct":18.16072155411656},{"expiry":"2026-12-18","call_iv_pct":16.0463529985373,"put_iv_pct":19.561357018054746},{"expiry":"2027-01-15","call_iv_pct":16.407698412698412,"put_iv_pct":19.53855245683931}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"ba2596ebc2422cc96fe5196f760d969f6b0dfb199ad92ff4bf568e5ef36c20d9","captured_at":"2026-10-24T22:06:23.784929+00:00","observed_at":"2026-09-18T15:59:00-04:00","session_close_at":"2026-09-18T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-18","end_date":"2026-09-18","strike_range":20,"format":"json"},"source_hash":"0735c34090c5b921f4f1325c78f89a4ebd3c4e139e23f3b2c597908b83f24efe"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"2681ca344f75dd12deb7880deabda1cea9466e11f71e26952dd3f4aeb01bea80"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"be81b140c96df46cee70cc98e28405b94f08c9ef7e75ebcbab5bc27bf4d741f8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"4fbd77b797d8b1b3c6c5b237b97d5d65a1272d8f7511d8bae2302d73b9acc562"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"e676f9d5d3307f6eef288f45940d62244fe2815acacd561fd3f00080cccaf12f"}]},{"symbol":"DUK","date":"2026-09-21","iv_pct":17.66469198714648,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":16.799828676858198,"put_iv_pct":16.82740322580645},{"expiry":"2026-11-20","call_iv_pct":16.8358924205379,"put_iv_pct":19.073333333333334},{"expiry":"2026-12-18","call_iv_pct":15.493637583892617,"put_iv_pct":19.8388},{"expiry":"2027-01-15","call_iv_pct":16.61077363896848,"put_iv_pct":19.83786701777485}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"3ca9dd19203b1007ddeaddaabd59fd5940e17a4ba55e9af66f398a9aa9da8133","captured_at":"2026-10-24T22:06:21.116071+00:00","observed_at":"2026-09-21T15:59:00-04:00","session_close_at":"2026-09-21T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-21","end_date":"2026-09-21","strike_range":20,"format":"json"},"source_hash":"61f02f9d5ea8d7221c0dc5432aacd4a9a4247f181e2c5e380c373d6545fdbc03"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"2681ca344f75dd12deb7880deabda1cea9466e11f71e26952dd3f4aeb01bea80"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"be81b140c96df46cee70cc98e28405b94f08c9ef7e75ebcbab5bc27bf4d741f8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"4fbd77b797d8b1b3c6c5b237b97d5d65a1272d8f7511d8bae2302d73b9acc562"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"e676f9d5d3307f6eef288f45940d62244fe2815acacd561fd3f00080cccaf12f"}]},{"symbol":"DUK","date":"2026-09-22","iv_pct":17.453711399906407,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":16.989059627002888,"put_iv_pct":15.107114521841794},{"expiry":"2026-11-20","call_iv_pct":17.056337232755144,"put_iv_pct":19.93838926174497},{"expiry":"2026-12-18","call_iv_pct":16.143606557377048,"put_iv_pct":19.457410966647824},{"expiry":"2027-01-15","call_iv_pct":15.878468085106384,"put_iv_pct":19.059304946775203}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"4a6715cd46677e466129e25cbcc519ce2b2a58b7cdb9c7ff85aadda2a8a5049c","captured_at":"2026-10-24T22:06:11.388005+00:00","observed_at":"2026-09-22T15:59:00-04:00","session_close_at":"2026-09-22T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-22","end_date":"2026-09-22","strike_range":20,"format":"json"},"source_hash":"81acd826944a2589852036f4f2784791247ff1eeec2d5bb41af37db6cbc35f0b"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"6bbda0e03c8dccb34d5fbfed5853262af2ad209eab6dffba9453c64ad4465ed4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"e16cbdd1aaf14c4c93dc102089b3703bb42afe2244d4f126bd91d5d24861c89a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"92f8aa662884ef4e38825815c7739d05ab1520c514642c7dcc0b80c2f3fbd87b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f03292cb9564eec8e5bf8b2c45d0d1b5dd1c10366b098010306d07ff7a3b66be"}]},{"symbol":"DUK","date":"2026-09-23","iv_pct":17.583360913864926,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":17.333460063897764,"put_iv_pct":16.852274325908557},{"expiry":"2026-11-20","call_iv_pct":14.203031301482701,"put_iv_pct":19.98419026047565},{"expiry":"2026-12-18","call_iv_pct":16.112215743440235,"put_iv_pct":19.87830275229358},{"expiry":"2027-01-15","call_iv_pct":16.36902875746066,"put_iv_pct":19.934384105960266}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"b8fbda10952287382c7d4d4729b82e7f3645b84a762d6a023da74638074c358e","captured_at":"2026-10-24T22:06:09.398625+00:00","observed_at":"2026-09-23T15:59:00-04:00","session_close_at":"2026-09-23T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-23","end_date":"2026-09-23","strike_range":20,"format":"json"},"source_hash":"ef4d9cc324277d05e549ece03200dcd9cf2ea4719bffac9766b85230b3a537a9"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"6bbda0e03c8dccb34d5fbfed5853262af2ad209eab6dffba9453c64ad4465ed4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"e16cbdd1aaf14c4c93dc102089b3703bb42afe2244d4f126bd91d5d24861c89a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"92f8aa662884ef4e38825815c7739d05ab1520c514642c7dcc0b80c2f3fbd87b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f03292cb9564eec8e5bf8b2c45d0d1b5dd1c10366b098010306d07ff7a3b66be"}]},{"symbol":"DUK","date":"2026-09-24","iv_pct":18.257231097443228,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":17.9550298750679,"put_iv_pct":16.557538735077472},{"expiry":"2026-11-20","call_iv_pct":19.22133517495396,"put_iv_pct":20.186389380530972},{"expiry":"2026-12-18","call_iv_pct":17.552347250509165,"put_iv_pct":19.742722029988467},{"expiry":"2027-01-15","call_iv_pct":15.368071593533486,"put_iv_pct":19.474414739884395}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1c337963728df8b03552aac9d526d664953cad52d5e4aa74b9ffdefbd3f923b8","captured_at":"2026-10-24T22:06:06.989690+00:00","observed_at":"2026-09-24T15:59:00-04:00","session_close_at":"2026-09-24T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-24","end_date":"2026-09-24","strike_range":20,"format":"json"},"source_hash":"9ff78d732f83ef471aaafec5a0b1eed758ce8ae01edfbe4333929797a808dd35"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"6bbda0e03c8dccb34d5fbfed5853262af2ad209eab6dffba9453c64ad4465ed4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"e16cbdd1aaf14c4c93dc102089b3703bb42afe2244d4f126bd91d5d24861c89a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"92f8aa662884ef4e38825815c7739d05ab1520c514642c7dcc0b80c2f3fbd87b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f03292cb9564eec8e5bf8b2c45d0d1b5dd1c10366b098010306d07ff7a3b66be"}]},{"symbol":"DUK","date":"2026-09-25","iv_pct":18.858796912561388,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":19.844898405751795,"put_iv_pct":17.309582463465553},{"expiry":"2026-11-20","call_iv_pct":18.41643298969072,"put_iv_pct":21.754291437155736},{"expiry":"2026-12-18","call_iv_pct":16.250896739130436,"put_iv_pct":20.668863375430536},{"expiry":"2027-01-15","call_iv_pct":16.630540098199674,"put_iv_pct":19.994869791666666}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1b2006149dea3d1ef756b3509e9e63bcd94cf1499811b22ee4cfbd2b06ba5296","captured_at":"2026-10-24T22:06:05.091306+00:00","observed_at":"2026-09-25T15:59:00-04:00","session_close_at":"2026-09-25T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-25","end_date":"2026-09-25","strike_range":20,"format":"json"},"source_hash":"fa57332d8c9c1872dd288da2d0bf64b01bf92c50cf1e2a421cf3c2bf503b7f3d"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"6bbda0e03c8dccb34d5fbfed5853262af2ad209eab6dffba9453c64ad4465ed4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"e16cbdd1aaf14c4c93dc102089b3703bb42afe2244d4f126bd91d5d24861c89a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"92f8aa662884ef4e38825815c7739d05ab1520c514642c7dcc0b80c2f3fbd87b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f03292cb9564eec8e5bf8b2c45d0d1b5dd1c10366b098010306d07ff7a3b66be"}]},{"symbol":"DUK","date":"2026-09-28","iv_pct":18.620239436809747,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":18.98617334423549,"put_iv_pct":18.0874040172896},{"expiry":"2026-11-20","call_iv_pct":17.668330112098957,"put_iv_pct":19.750611664295874},{"expiry":"2026-12-18","call_iv_pct":16.83491204330176,"put_iv_pct":20.501559633027522},{"expiry":"2027-01-15","call_iv_pct":16.538879736408564,"put_iv_pct":20.594044943820226}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"9e2b5d2d2a8ccff2573bb4a0cc9681d69d66f19ad065bf81e82bebd898227440","captured_at":"2026-10-24T22:06:03.508640+00:00","observed_at":"2026-09-28T15:59:00-04:00","session_close_at":"2026-09-28T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-28","end_date":"2026-09-28","strike_range":20,"format":"json"},"source_hash":"f7d4245b3a4c2efec81fd2c6d6ff2b5538342cbd3f344352cf6703bdf6777753"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"6bbda0e03c8dccb34d5fbfed5853262af2ad209eab6dffba9453c64ad4465ed4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"e16cbdd1aaf14c4c93dc102089b3703bb42afe2244d4f126bd91d5d24861c89a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"92f8aa662884ef4e38825815c7739d05ab1520c514642c7dcc0b80c2f3fbd87b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f03292cb9564eec8e5bf8b2c45d0d1b5dd1c10366b098010306d07ff7a3b66be"}]},{"symbol":"DUK","date":"2026-09-29","iv_pct":18.627535147045137,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":19.041777024946104,"put_iv_pct":16.774249471458774},{"expiry":"2026-11-20","call_iv_pct":17.85010182435299,"put_iv_pct":21.42310140237325},{"expiry":"2026-12-18","call_iv_pct":17.58685376661743,"put_iv_pct":20.863863065326633},{"expiry":"2027-01-15","call_iv_pct":15.336182136602453,"put_iv_pct":20.14415248468346}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"43ecff2064ae46df2caa83100004b2fc5af2588913f63f8e3df3f1582bbf380c","captured_at":"2026-10-24T22:05:54.188547+00:00","observed_at":"2026-09-29T15:59:00-04:00","session_close_at":"2026-09-29T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-29","end_date":"2026-09-29","strike_range":20,"format":"json"},"source_hash":"60f3bd7a460df914f8ffa024d72f6f9b8ef38da0e9c41e58af9eef83054ec590"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"2de20e06de5362d6aa1b3e2ba9b2289627c3a06405ee7d65921666864560e515"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"33c5ba835a0cbcc3271f59a535751a55bd8cbebffc89497b46bcab22e0efb8cf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"63903fb91e4c86eac99de82355515949196f42eb442d67920cf51c7acecf6f48"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"9a4061dc9cd5cf3b22653c9906a2588ce9fa38eaef9a2581752b9b50218ee4a1"}]},{"symbol":"DUK","date":"2026-09-30","iv_pct":18.213264943936878,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":17.080341093665403,"put_iv_pct":16.50442273534636},{"expiry":"2026-11-20","call_iv_pct":17.934368143031286,"put_iv_pct":21.18692049272116},{"expiry":"2026-12-18","call_iv_pct":16.66533894343151,"put_iv_pct":20.31092248558616},{"expiry":"2027-01-15","call_iv_pct":16.119050131926123,"put_iv_pct":19.904755525787003}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"4440908b7ffbb45fef30f572c7b6da6f65913eb46f8ff7105e960248d53ccdc7","captured_at":"2026-10-24T22:05:52.363045+00:00","observed_at":"2026-09-30T15:59:00-04:00","session_close_at":"2026-09-30T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-09-30","end_date":"2026-09-30","strike_range":20,"format":"json"},"source_hash":"fabbac18b55b44e7c333648e08c803bdc134d40e77e8d448d2a0e13efc033c07"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"2de20e06de5362d6aa1b3e2ba9b2289627c3a06405ee7d65921666864560e515"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"33c5ba835a0cbcc3271f59a535751a55bd8cbebffc89497b46bcab22e0efb8cf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"63903fb91e4c86eac99de82355515949196f42eb442d67920cf51c7acecf6f48"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"9a4061dc9cd5cf3b22653c9906a2588ce9fa38eaef9a2581752b9b50218ee4a1"}]},{"symbol":"DUK","date":"2026-10-01","iv_pct":18.696196910889327,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":17.656412337662335,"put_iv_pct":17.563546704599336},{"expiry":"2026-11-20","call_iv_pct":18.62432455395072,"put_iv_pct":20.52181560283688},{"expiry":"2026-12-18","call_iv_pct":15.903972602739728,"put_iv_pct":23.19644897959184},{"expiry":"2027-01-15","call_iv_pct":14.534684491978611,"put_iv_pct":21.56837001375516}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"86bf740650227c41995ddadb887df9384736cb7374e4dca72acbd90ff5a4cc26","captured_at":"2026-10-24T22:05:46.992473+00:00","observed_at":"2026-10-01T15:59:00-04:00","session_close_at":"2026-10-01T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-10-01","end_date":"2026-10-01","strike_range":20,"format":"json"},"source_hash":"7d6f6f8706cb5011511c5f70e11d171c2930ba527fb021ac03c5b55aad383cf7"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"fb19a6d47382bdf469724b8c7093e5b9f4bde52684b2acee39b55cb49e20b052"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"ac0614f96600b4e1d602f06462ad56c81a00a710cce5caafb1e9e7e0d882cdc2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"47ebe100bfde4db5625db8ead2ff75af3ba9eadff3806bee239ac19d8f9ec9fa"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"35f6d117987e9a1c11ac7fccf29aaf5299db19cf4044c5e26389d569fe4ac386"}]},{"symbol":"DUK","date":"2026-10-02","iv_pct":17.734754736122007,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":15.589450261780105,"put_iv_pct":16.979353667392882},{"expiry":"2026-11-20","call_iv_pct":17.145847492747617,"put_iv_pct":21.91887598944591},{"expiry":"2026-12-18","call_iv_pct":13.415835567470957,"put_iv_pct":20.288293103448275},{"expiry":"2027-01-15","call_iv_pct":16.334632124352332,"put_iv_pct":20.20574968233799}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"e93bb99d66042de7ac8ae373339c67897ddd7ab8d84b8eabc6863017671ec13e","captured_at":"2026-10-24T22:05:44.849180+00:00","observed_at":"2026-10-02T15:59:00-04:00","session_close_at":"2026-10-02T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-10-02","end_date":"2026-10-02","strike_range":20,"format":"json"},"source_hash":"6bc951d5927339753f4ea2d3d5e97bdfabf2207afe5fe985448e509fa30b4f1e"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"fb19a6d47382bdf469724b8c7093e5b9f4bde52684b2acee39b55cb49e20b052"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"ac0614f96600b4e1d602f06462ad56c81a00a710cce5caafb1e9e7e0d882cdc2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"47ebe100bfde4db5625db8ead2ff75af3ba9eadff3806bee239ac19d8f9ec9fa"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"35f6d117987e9a1c11ac7fccf29aaf5299db19cf4044c5e26389d569fe4ac386"}]},{"symbol":"DUK","date":"2026-10-05","iv_pct":18.342521182322535,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":18.24710376282782,"put_iv_pct":17.582195378151262},{"expiry":"2026-11-20","call_iv_pct":17.513700081499593,"put_iv_pct":21.61650246305419},{"expiry":"2026-12-18","call_iv_pct":15.592458296751536,"put_iv_pct":20.428625072212593},{"expiry":"2027-01-15","call_iv_pct":15.831035696329815,"put_iv_pct":19.928548707753478}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"e11558e1904659adc2ab957ea8a8194074f3892d471124583e121c4793c5d640","captured_at":"2026-10-24T22:05:42.606443+00:00","observed_at":"2026-10-05T15:59:00-04:00","session_close_at":"2026-10-05T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-10-05","end_date":"2026-10-05","strike_range":20,"format":"json"},"source_hash":"cd8056c5f13f7fcca568c651951ec9bef34fc89a53225afcddf368e957cdfaa8"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"fb19a6d47382bdf469724b8c7093e5b9f4bde52684b2acee39b55cb49e20b052"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"ac0614f96600b4e1d602f06462ad56c81a00a710cce5caafb1e9e7e0d882cdc2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"47ebe100bfde4db5625db8ead2ff75af3ba9eadff3806bee239ac19d8f9ec9fa"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"35f6d117987e9a1c11ac7fccf29aaf5299db19cf4044c5e26389d569fe4ac386"}]},{"symbol":"DUK","date":"2026-10-06","iv_pct":18.51556645926834,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":17.47360180412371,"put_iv_pct":18.9117775},{"expiry":"2026-11-20","call_iv_pct":17.48405326523167,"put_iv_pct":22.40681334622824},{"expiry":"2026-12-18","call_iv_pct":14.903893557422968,"put_iv_pct":20.55817356778219},{"expiry":"2027-01-15","call_iv_pct":15.433574879227052,"put_iv_pct":20.952643754130868}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"3fa975cfa1cdc3aad05214cf876aab3c93c9170aa740bd9f41a48fee9aad2d33","captured_at":"2026-10-24T22:05:40.867424+00:00","observed_at":"2026-10-06T15:59:00-04:00","session_close_at":"2026-10-06T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-10-06","end_date":"2026-10-06","strike_range":20,"format":"json"},"source_hash":"19b0a2f1fabd2d1b5bcd2b736038d972f8a88491826535f9a259e8520579f296"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"fb19a6d47382bdf469724b8c7093e5b9f4bde52684b2acee39b55cb49e20b052"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"ac0614f96600b4e1d602f06462ad56c81a00a710cce5caafb1e9e7e0d882cdc2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"47ebe100bfde4db5625db8ead2ff75af3ba9eadff3806bee239ac19d8f9ec9fa"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"35f6d117987e9a1c11ac7fccf29aaf5299db19cf4044c5e26389d569fe4ac386"}]},{"symbol":"DUK","date":"2026-10-16","iv_pct":19.01973331521946,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":17.28912742838327,"put_iv_pct":22.461815766164747},{"expiry":"2026-12-18","call_iv_pct":15.543119486768244,"put_iv_pct":20.994460704607047},{"expiry":"2027-01-15","call_iv_pct":15.68175182481752,"put_iv_pct":21.781308411214955},{"expiry":"2027-03-19","call_iv_pct":15.542584269662921,"put_iv_pct":22.863698630136987}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"b9f670d51f563563114f5b882dada730270b3f9d711a6f2f16862deddd3275b9","captured_at":"2026-10-24T22:05:10.086864+00:00","observed_at":"2026-10-16T15:59:00-04:00","session_close_at":"2026-10-16T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-10-16","end_date":"2026-10-16","strike_range":20,"format":"json"},"source_hash":"1a930a2e6acd7e7052ec3360cf6da35b659eb8ced032c56ff077db4a0a0e954f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2026-11-20","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c4db0f8bb26e6a85cc8a14c32832754223c97218b5c7955cdfbe51a34020f4d9"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2026-12-18","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1564a42f475bc26ca638d4f1322a13cb585c0c4c28d5cc0432f7059ca672677b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-01-15","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"47dedd2720f504c152b016cea281fb203f1554bf6bba3a503fb9579896340e88"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-03-19","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0790305a1814f15c1f860b7aee6c535d2a0ca145b9c26dafb0c07a1faf0e7fd2"}]},{"symbol":"DUK","date":"2026-10-19","iv_pct":18.613509502661284,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":17.288682795698925,"put_iv_pct":20.96705882352941},{"expiry":"2026-12-18","call_iv_pct":15.709976162097735,"put_iv_pct":20.459113924050634},{"expiry":"2027-01-15","call_iv_pct":16.089400630914827,"put_iv_pct":19.810005991611742},{"expiry":"2027-03-19","call_iv_pct":16.915498652291106,"put_iv_pct":21.66833904109589}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"4c769adae1433f626451d7245a9dd4cc0baaa65860c3f3a35afe643d224e31c0","captured_at":"2026-10-24T22:05:08.006575+00:00","observed_at":"2026-10-19T15:59:00-04:00","session_close_at":"2026-10-19T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-10-19","end_date":"2026-10-19","strike_range":20,"format":"json"},"source_hash":"fd917fbb7fcce777370f7e9515a06ff674781feb41facf6ecd0f58b4731dd9ed"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2026-11-20","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c4db0f8bb26e6a85cc8a14c32832754223c97218b5c7955cdfbe51a34020f4d9"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2026-12-18","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1564a42f475bc26ca638d4f1322a13cb585c0c4c28d5cc0432f7059ca672677b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-01-15","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"47dedd2720f504c152b016cea281fb203f1554bf6bba3a503fb9579896340e88"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-03-19","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0790305a1814f15c1f860b7aee6c535d2a0ca145b9c26dafb0c07a1faf0e7fd2"}]},{"symbol":"DUK","date":"2026-10-20","iv_pct":18.680467642515893,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":16.2563995215311,"put_iv_pct":23.12406113537118},{"expiry":"2026-12-18","call_iv_pct":15.859745098039216,"put_iv_pct":20.978429926238146},{"expiry":"2027-01-15","call_iv_pct":15.216509695290858,"put_iv_pct":21.20974358974359},{"expiry":"2027-03-19","call_iv_pct":15.21,"put_iv_pct":21.588852173913043}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"817929b6834edeb2501756749fa7ce43833b7f535dcca9cbcb1d853d8529a7a3","captured_at":"2026-10-22T12:47:42.108912+00:00","observed_at":"2026-10-20T15:59:00-04:00","session_close_at":"2026-10-20T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-10-20","end_date":"2026-10-20","strike_range":20,"format":"json"},"source_hash":"43e3f60b4d3eb69034c0f88d81efe9a4b95e68d868cb579f6fb2332b06f45c47"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"940065be86a36766158cd335dd5575ee220ebcde5cf8c170a9f8f25c2a6a0cc7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f5a410fcd4f6199f5eff7eddfbf425aff4cbc6e172cfd851eeeb155b60688785"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"a6f101258acece708a4ae502f1eec29c5f6de81ca242657332d3e115a8bc779f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-03-19","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":"ff73d2b14f4fe5cd880bee62daceee7d8880ae9006830cf0118dfcf699d2fafb"}]},{"symbol":"DUK","date":"2026-10-21","iv_pct":17.979209216805998,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":16.306059782608695,"put_iv_pct":21.22616673477728},{"expiry":"2026-12-18","call_iv_pct":15.12690826727067,"put_iv_pct":19.414373857404023},{"expiry":"2027-01-15","call_iv_pct":15.741510588235293,"put_iv_pct":19.25348783314021},{"expiry":"2027-03-19","call_iv_pct":15.892902208201892,"put_iv_pct":20.872264462809916}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"a28290072b73164365aaab2af15c55cf58446731f043c9016938b90ded5cb37d","captured_at":"2026-10-22T12:47:40.844015+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/history/greeks/eod","query":{"symbol":"DUK","expiration":"*","start_date":"2026-10-21","end_date":"2026-10-21","strike_range":20,"format":"json"},"source_hash":"3429effb0bf6f98624472baee320fbf4c581e2c67edefadacac121a7048268cd"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"940065be86a36766158cd335dd5575ee220ebcde5cf8c170a9f8f25c2a6a0cc7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"f5a410fcd4f6199f5eff7eddfbf425aff4cbc6e172cfd851eeeb155b60688785"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"a6f101258acece708a4ae502f1eec29c5f6de81ca242657332d3e115a8bc779f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-03-19","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":"ff73d2b14f4fe5cd880bee62daceee7d8880ae9006830cf0118dfcf699d2fafb"}]},{"symbol":"DUK","date":"2026-10-22","iv_pct":18.456564228927576,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":16.406373837768516,"put_iv_pct":21.803022813688212},{"expiry":"2026-12-18","call_iv_pct":14.68716743119266,"put_iv_pct":22.042786489746682},{"expiry":"2027-01-15","call_iv_pct":14.489434324065197,"put_iv_pct":21.539807819748177},{"expiry":"2027-03-19","call_iv_pct":14.979298892988929,"put_iv_pct":21.704622222222223}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"390400b0d8a003f99da8c7eb2a8ebd56f7a8094b33c2a9340629808702d9324c","captured_at":"2026-10-23T00:29:58.109707+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":"DUK","date":"2026-10-22","format":"json"},"source_hash":"ebb397c613110715a2579d02407940a7a226d7dfc0f28e75d80ea3f1924f9d33"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"7cdbb772976638ad5b980a0c87bf831036772dfb14229208e61328d35cb2a71b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"7eb4b651c501db5f8610d90fb4c83e327b207bfe6f95ac60c0306435cf251fe1"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"bb8eaf0982bcdf773d654864fa2cc1931cce2feae480db10022e0eaf5d3b0965"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-03-19","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":"845298cb861735847eb7ee0b10d00145984ce880aca3bd45d083dc7c43ce6d7e"}]},{"symbol":"DUK","date":"2026-10-23","iv_pct":18.674749843728666,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":16.17784399375975,"put_iv_pct":23.671937046004842},{"expiry":"2026-12-18","call_iv_pct":15.911906693711966,"put_iv_pct":21.245622932745313},{"expiry":"2027-01-15","call_iv_pct":14.969509116409538,"put_iv_pct":21.26713363460297},{"expiry":"2027-03-19","call_iv_pct":14.4675768321513,"put_iv_pct":21.686468500443656}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"7466b21d7c8d7fbcf40758e075f4d81cc26e6639385512b2ca5b61844939e986","captured_at":"2026-10-24T00:02:41.697846+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":"DUK","date":"2026-10-23","format":"json"},"source_hash":"ebb397c613110715a2579d02407940a7a226d7dfc0f28e75d80ea3f1924f9d33"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"bc1fb46e17653cd2c083b60c3bec65a6330b8f0c5a32ff5ab72ceb84d123680d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"cc1224341cc45afafff69f77611a8d8c02cd54c854f4feaf4d712386f48f004a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"6d417359fd4f32f9c0fd4552955cc5462cf40d07ad300b4ceb69890e0be19a44"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-03-19","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":"08044de887284a3ae327d317292c3d2cb511258f37eb5981569b1641ba9b7ade"}]},{"symbol":"DUK","date":"2026-10-26","iv_pct":18.722923252185762,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":15.574990548204159,"put_iv_pct":23.90532608695652},{"expiry":"2026-12-18","call_iv_pct":17.270344563552833,"put_iv_pct":20.985360710321864},{"expiry":"2027-01-15","call_iv_pct":14.932267414679757,"put_iv_pct":21.562517753389283},{"expiry":"2027-03-19","call_iv_pct":14.546830437387658,"put_iv_pct":21.005748502994013}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"839017b815bb87fff35458b3a9426b8c4f45c959437b2c398a1deee88144c7ff","captured_at":"2026-10-28T15:31:14.933868+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":"da2d615f37348e2f15bfa28d94610ee42885c8cb1b3321ae57d3e62ab0ec83de"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"70c0a4cbd7212aadee2ca6f795cca16792a5f50548f38274a9a0fda3290032c2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"8a5ca5cb2f98b7ec3d44550d5c11d9719061685fcac20e50386bf9d5381b0e2b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"a4556a00298d82f949dacf6d6bf9058fca2f0502d3177e2af2f094ced878f6ab"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-03-19","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":"e15323a0914527b160e8bc578955c896ed58efa0bb83dc430c9efe3d08492b53"}]},{"symbol":"DUK","date":"2026-10-27","iv_pct":18.594266638729934,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":15.94230857800806,"put_iv_pct":23.88313079299691},{"expiry":"2026-12-18","call_iv_pct":14.323346999627281,"put_iv_pct":21.859918651946543},{"expiry":"2027-01-15","call_iv_pct":14.646779505946936,"put_iv_pct":20.269494949494952},{"expiry":"2027-03-19","call_iv_pct":16.29213483146067,"put_iv_pct":21.537018800358105}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"c271dc2e2da2213793f79534fffe1c6f6056a3313f3d19b33d148f8c2544d918","captured_at":"2026-10-28T15:31:14.418688+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":"DUK","expiration":"*","start_date":"2026-10-27","end_date":"2026-10-27","strike_range":20,"format":"json"},"source_hash":"4109638bc0bbc72ae121c88390458412614610707825322b5ee5e7789824c343"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"70c0a4cbd7212aadee2ca6f795cca16792a5f50548f38274a9a0fda3290032c2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"8a5ca5cb2f98b7ec3d44550d5c11d9719061685fcac20e50386bf9d5381b0e2b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"a4556a00298d82f949dacf6d6bf9058fca2f0502d3177e2af2f094ced878f6ab"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-03-19","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":"e15323a0914527b160e8bc578955c896ed58efa0bb83dc430c9efe3d08492b53"}]},{"symbol":"DUK","date":"2026-10-28","iv_pct":18.239809944659978,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":17.327922899884925,"put_iv_pct":23.438333333333333},{"expiry":"2026-12-18","call_iv_pct":14.547528169014084,"put_iv_pct":19.58689585439838},{"expiry":"2027-01-15","call_iv_pct":15.760429389312977,"put_iv_pct":19.950913126188965},{"expiry":"2027-03-19","call_iv_pct":15.55006389776358,"put_iv_pct":19.756392887383573}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"876f9fd710c3ab2f297c347d2e6c3fb2c2f9e09c3c3a158a0f26717ea37c8a6f","captured_at":"2026-10-29T15:32:43.034341+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":"DUK","expiration":"*","start_date":"2026-10-28","end_date":"2026-10-28","strike_range":20,"format":"json"},"source_hash":"7f5f4c56529562ada3f581de39c71ae7a13442c81655eca746985e72bcb8ce09"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"9a4249ff06f4728fb3317d4cf1ef28696d699e4f8b61d5149639136f976421e0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"9e8491ca22119abd6dba7dd28a88be66f95c3ac477fb85885c855d1cb457e9a1"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"200301c18476c5c79ab8dc2bd38926b015d70fd4a7343d66ecb46c3c5deb82ae"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-03-19","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":"e72e1097ad9148bd5516e56c6a87cd806e48676b18e0eff55e796b1e469ffd60"}]},{"symbol":"DUK","date":"2026-10-29","iv_pct":18.424285086910917,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":17.2971875,"put_iv_pct":22.289859909353112},{"expiry":"2026-12-18","call_iv_pct":14.867148040638606,"put_iv_pct":20.601275406504065},{"expiry":"2027-01-15","call_iv_pct":15.289794238683127,"put_iv_pct":20.39429447852761},{"expiry":"2027-03-19","call_iv_pct":15.100457555689342,"put_iv_pct":21.554263565891475}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"227979163d66f84cde1a5d3e9b309713ef96828cafedbcd6a95fe949e03a1e71","captured_at":"2026-10-30T15:38:38.175062+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":"DUK","expiration":"*","start_date":"2026-10-29","end_date":"2026-10-29","strike_range":20,"format":"json"},"source_hash":"18ba96423052e6d385d18c5d2610228c0ef0b2bc25211e08c3563f4017374a76"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"73c08901fe6ff8399d52308738cee6c2899543600f15043104b54a2ef1f485d1"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"cc3ba9314ef9a493b1724483c3482ad57f7ecca424b8a5090ef1f045fc017df1"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"9890c2ef5926ffa138da834f74a1b8b09edd1593957fac89ec9706feee7d955e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-03-19","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":"9b1dadb319df421cca5e4f4a684ae93432f9301ce301c82099325f499996f2a8"}]},{"symbol":"DUK","date":"2026-10-30","iv_pct":19.09489896708488,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":17.616469273743018,"put_iv_pct":24.288333333333334},{"expiry":"2026-12-18","call_iv_pct":15.348404641044237,"put_iv_pct":21.231279999999998},{"expiry":"2027-01-15","call_iv_pct":16.371154029566046,"put_iv_pct":20.774285714285714},{"expiry":"2027-03-19","call_iv_pct":15.707909604519774,"put_iv_pct":21.421355140186915}],"source":"ThetaData historical first-order Greeks","provider_symbol":"DUK","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"5efee7ebf8da6fe8386cadb33dd9a7f5425d7fe8875d4dcab4f92a10373e7cad","captured_at":"2026-11-01T00:13:17.262508+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":"v2_verified_expiry_inventory","source_hash":"08973440bd0024344c414f16c1be9081bdf4c86f183a9168de2f8f488912e9e5"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"3adf5601990c5dcc76d3b0771eb0421832dc9825b1daebf6e7eba1b5729a61f0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"aa3492ceeaec4c62691291fea271ab451cb2038bb19fc745e5737b333de30f6e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","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":"08d471697e618c5afe1c3634d12feac6c643f59bca694b68b474dc8cb09781ae"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"DUK","expiration":"2027-03-19","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":"d63a0b111085370932ab26ee99ceced97078548aaef3824ef8a437f434f4c980"}]}],"dailyIvModel":"theta-four-friday-close-50delta-v3","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/DUK","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":"2026-08-21","observed_at":"2026-08-21T15:59:00-04:00","iv_pct":17.677371598709975,"put_call_skew_pp":0.21305047069512728,"implied_move_pct":8.357017392631114,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"874bb11af302464f9f1503a55872d8ec0fe00602a8cdb19c3580c04b35de8e54","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":17.720728294792806,"put_call_skew_pp":1.9448238082669267,"implied_move_pct":8.219018428063755,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"8088aaf895329dcae1a9423e8a8df40d068979ea43f36da760c52e915e6653a5","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":17.74266396082757,"put_call_skew_pp":0.7417404062226964,"implied_move_pct":8.156807572361252,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"94892b10760ce88b9c386b4eb4a3f2cb21888258d3e9f4a15c28aefe61c91201","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":17.780457702697404,"put_call_skew_pp":1.1898553217250623,"implied_move_pct":8.112257398717608,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"4aa3ae8c64e3efc19da5792534d60813426c486e6def708ad6789f6cd3f180d9","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":17.537837704423488,"put_call_skew_pp":0.08820510229214307,"implied_move_pct":7.950626619109494,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"bfe3041bf9bd55c6d1f5ddf98ebdb61783f4ac278c2f6996747e045af9660c16","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":17.27337766581196,"put_call_skew_pp":2.3744205646151615,"implied_move_pct":7.754340512928252,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"7d216072b199f9b4654f0e6aa24447d30e4c2d30592a47b57b762cb18a1bd802","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":17.327912053322372,"put_call_skew_pp":1.6211582979447625,"implied_move_pct":7.721399529348844,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"3fe6fe784c76896905f03925ef4d0cab115429ad07a05f178f36b26cba88bd20","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":17.807464174848583,"put_call_skew_pp":2.0855935336747216,"implied_move_pct":7.761489939568461,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"a332c64ae462f939ba85f91c63bdff6f4166924c0a71b9f8095ef0f4e147dbdd","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":17.686642766247232,"put_call_skew_pp":2.923602269274922,"implied_move_pct":7.616040352613583,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"43faa01e247423570e56a8ddd2557f01eb9d25885e0d00d1b54af883dec8680a","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":17.393824350104858,"put_call_skew_pp":1.7602335088861825,"implied_move_pct":7.447937841667623,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"e46cbd665669a5ef338855c8f3ebc7081ccaffd03f2a947812d3085f7644dad5","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":18.588826502921098,"put_call_skew_pp":1.2218540343112476,"implied_move_pct":7.841069520224599,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"5351b9d3560bf742e99c5cdf530bf63d68539b8fd7487f52ab86fbcaa76086e8","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":19.38850791903962,"put_call_skew_pp":3.7748746487969704,"implied_move_pct":7.5034671348584805,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"137a94378a68f3cfd09aae0167aa957a6c8da90bb3855902cc60d2367ba44575","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":20.068926638245184,"put_call_skew_pp":-1.7773503602295202,"implied_move_pct":7.554507007052806,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"e86753c275d1249be305a6988e8046e075214e8787cb4f9b85927f581691aac0","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":18.56693259656889,"put_call_skew_pp":0.595323759881051,"implied_move_pct":7.383628915851769,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"d10716327c578239c50ccb2cc34e5a75846f302948420161e0976e10eb0e932a","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":17.334283887799394,"put_call_skew_pp":2.068053109892123,"implied_move_pct":7.701274101232919,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"ba2596ebc2422cc96fe5196f760d969f6b0dfb199ad92ff4bf568e5ef36c20d9","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":17.664691987146476,"put_call_skew_pp":2.4593178141643595,"implied_move_pct":7.654412491207305,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"3ca9dd19203b1007ddeaddaabd59fd5940e17a4ba55e9af66f398a9aa9da8133","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":17.453711399906407,"put_call_skew_pp":1.8736870486920818,"implied_move_pct":7.509415489627379,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"4a6715cd46677e466129e25cbcc519ce2b2a58b7cdb9c7ff85aadda2a8a5049c","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":17.58336091386493,"put_call_skew_pp":3.157853894589172,"implied_move_pct":7.493439635007993,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"b8fbda10952287382c7d4d4729b82e7f3645b84a762d6a023da74638074c358e","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":18.257231097443228,"put_call_skew_pp":1.4660702478541987,"implied_move_pct":7.676159896578073,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1c337963728df8b03552aac9d526d664953cad52d5e4aa74b9ffdefbd3f923b8","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":18.85879691256139,"put_call_skew_pp":2.1462097087364667,"implied_move_pct":7.828104557589425,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1b2006149dea3d1ef756b3509e9e63bcd94cf1499811b22ee4cfbd2b06ba5296","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":18.620239436809747,"put_call_skew_pp":2.2263312555971133,"implied_move_pct":7.5439548157167735,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"9e2b5d2d2a8ccff2573bb4a0cc9681d69d66f19ad065bf81e82bebd898227440","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":18.627535147045137,"put_call_skew_pp":2.3476129178307845,"implied_move_pct":7.479211387386027,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"43ecff2064ae46df2caa83100004b2fc5af2588913f63f8e3df3f1582bbf380c","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":18.213264943936878,"put_call_skew_pp":2.5269807318465904,"implied_move_pct":7.292764926708427,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"4440908b7ffbb45fef30f572c7b6da6f65913eb46f8ff7105e960248d53ccdc7","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":18.696196910889327,"put_call_skew_pp":4.032696828612956,"implied_move_pct":7.392405863964241,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"86bf740650227c41995ddadb887df9384736cb7374e4dca72acbd90ff5a4cc26","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":17.734754736122007,"put_call_skew_pp":4.226626749068513,"implied_move_pct":6.9689294678780875,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"e93bb99d66042de7ac8ae373339c67897ddd7ab8d84b8eabc6863017671ec13e","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":18.342521182322535,"put_call_skew_pp":3.0928934459406903,"implied_move_pct":6.901895733359059,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"e11558e1904659adc2ab957ea8a8194074f3892d471124583e121c4793c5d640","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":18.515566459268335,"put_call_skew_pp":4.383571165533976,"implied_move_pct":6.876232433556034,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"3fa975cfa1cdc3aad05214cf876aab3c93c9170aa740bd9f41a48fee9aad2d33","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":19.01973331521946,"put_call_skew_pp":6.0111751256229455,"implied_move_pct":8.889680307070662,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"b9f670d51f563563114f5b882dada730270b3f9d711a6f2f16862deddd3275b9","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-19","observed_at":"2026-10-19T15:59:00-04:00","iv_pct":18.613509502661284,"put_call_skew_pp":4.225239884821271,"implied_move_pct":8.551547013507337,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"4c769adae1433f626451d7245a9dd4cc0baaa65860c3f3a35afe643d224e31c0","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-20","observed_at":"2026-10-20T15:59:00-04:00","iv_pct":18.680467642515893,"put_call_skew_pp":6.089608127601194,"implied_move_pct":8.454811493161156,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"817929b6834edeb2501756749fa7ce43833b7f535dcca9cbcb1d853d8529a7a3","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-21","observed_at":"2026-10-21T15:59:00-04:00","iv_pct":17.979209216805998,"put_call_skew_pp":4.424728010453719,"implied_move_pct":8.122965161521085,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"a28290072b73164365aaab2af15c55cf58446731f043c9016938b90ded5cb37d","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-22","observed_at":"2026-10-22T15:59:00-04:00","iv_pct":18.456564228927576,"put_call_skew_pp":6.631991214847497,"implied_move_pct":8.25105531982642,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"390400b0d8a003f99da8c7eb2a8ebd56f7a8094b33c2a9340629808702d9324c","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-23","observed_at":"2026-10-23T15:59:00-04:00","iv_pct":18.674749843728666,"put_call_skew_pp":6.586081369441056,"implied_move_pct":8.23708600216407,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"7466b21d7c8d7fbcf40758e075f4d81cc26e6639385512b2ca5b61844939e986","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-26","observed_at":"2026-10-26T15:59:00-04:00","iv_pct":18.722923252185762,"put_call_skew_pp":6.283630022459319,"implied_move_pct":8.051372069976217,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"839017b815bb87fff35458b3a9426b8c4f45c959437b2c398a1deee88144c7ff","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-27","observed_at":"2026-10-27T15:59:00-04:00","iv_pct":18.59426663872993,"put_call_skew_pp":6.58624831993839,"implied_move_pct":7.984039953836794,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"c271dc2e2da2213793f79534fffe1c6f6056a3313f3d19b33d148f8c2544d918","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-28","observed_at":"2026-10-28T15:59:00-04:00","iv_pct":18.239809944659978,"put_call_skew_pp":4.886647711332172,"implied_move_pct":7.700926615300087,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"876f9fd710c3ab2f297c347d2e6c3fb2c2f9e09c3c3a158a0f26717ea37c8a6f","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-29","observed_at":"2026-10-29T15:59:00-04:00","iv_pct":18.424285086910917,"put_call_skew_pp":5.571276506316296,"implied_move_pct":7.76288132773055,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"227979163d66f84cde1a5d3e9b309713ef96828cafedbcd6a95fe949e03a1e71","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-30","observed_at":"2026-10-30T15:59:00-04:00","iv_pct":19.09489896708488,"put_call_skew_pp":5.667829159733221,"implied_move_pct":7.936046852195009,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"5efee7ebf8da6fe8386cadb33dd9a7f5425d7fe8875d4dcab4f92a10373e7cad","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]}]}