{"schemaVersion":1,"symbol":"GRNY","days":90,"observations":[{"symbol":"GRNY","expiry":"2026-11-20","observed_at":"2026-10-21T19:56:13.104000+00:00","captured_at":"2026-10-22T05:09:17.413Z","last_trade_at":"2026-10-22T00:00:00.033694336Z","price":27.69,"iv_pct":16.00252407740027,"implied_move_pct":3.6421807795166288,"put_call_skew_pp":10.566550850334377,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GRNY","source_hash":"c40b42aa6d27aa5ce9a3fe072f93d644d9784df6313d80bf188ce6dead2b194c"},{"symbol":"GRNY","expiry":"2026-11-20","observed_at":"2026-10-22T18:26:53.570000+00:00","captured_at":"2026-10-22T18:37:27.628Z","last_trade_at":"2026-10-22T18:37:22.976789439Z","price":26.9,"iv_pct":24.354177536952342,"implied_move_pct":5.485133561156939,"put_call_skew_pp":5.043393863129636,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GRNY","source_hash":"a439de5a99412fd21b14e6acb28db21015000e1718248887dfb314025facfa2e"},{"symbol":"GRNY","expiry":"2026-11-20","observed_at":"2026-10-22T19:59:14.284000+00:00","captured_at":"2026-10-23T02:21:53.575Z","last_trade_at":"2026-10-23T00:00:00.070973318Z","price":26.99,"iv_pct":24.164741860664336,"implied_move_pct":5.5347383871494165,"put_call_skew_pp":5.315351696324128,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GRNY","source_hash":"2f51c73508f5cddc191e9044a9855f208d77ba19507ec8311bfa161315783be2"},{"symbol":"GRNY","expiry":"2026-11-20","observed_at":"2026-10-23T17:27:02.081000+00:00","captured_at":"2026-10-23T17:34:52.517Z","last_trade_at":"2026-10-23T17:34:33.138251842Z","price":26.97,"iv_pct":24.418602465211674,"implied_move_pct":5.492096321599373,"put_call_skew_pp":4.955641105348913,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GRNY","source_hash":"d30b666297a821950f75e5c0acded414713eadb65b9c3c7a24264170edaa057e"},{"symbol":"GRNY","expiry":"2026-11-20","observed_at":"2026-10-23T19:59:11.386000+00:00","captured_at":"2026-10-24T04:47:14.033Z","last_trade_at":"2026-10-24T00:00:00.04460347Z","price":26.9,"iv_pct":27.20875448527765,"implied_move_pct":5.907238962245933,"put_call_skew_pp":12.962430083027964,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GRNY","source_hash":"73ece0200b81d367b203d5ac613fcb5a8f3a17b336c9612ea1d92a9fe633a21d"}],"dailyIv":[],"dailyIvModel":"theta-four-listed-fridays-50delta-v2","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/GRNY","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"}}