{"schemaVersion":1,"symbol":"GTN","days":90,"observations":[{"symbol":"GTN","expiry":"2026-11-20","observed_at":"2026-10-21T19:59:43.976000+00:00","captured_at":"2026-10-22T05:09:35.306Z","last_trade_at":"2026-10-21T23:00:00.00282072Z","price":4.62,"iv_pct":92.03056307419921,"implied_move_pct":26.02521106549015,"put_call_skew_pp":-120.05342307460384,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GTN","source_hash":"0ebd468352fb56820ca53922f62821e73e141befc6f7c2bb16928cc43c667203"},{"symbol":"GTN","expiry":"2026-11-20","observed_at":"2026-10-23T13:31:23.287000+00:00","captured_at":"2026-10-23T13:36:06.071Z","last_trade_at":"2026-10-23T13:34:45.730840213Z","price":4.59,"iv_pct":91.37032862455834,"implied_move_pct":23.538810774307002,"put_call_skew_pp":-128.60339479763212,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GTN","source_hash":"c73244e630ef9f063b841dfcacf8898b9d16ca4de64f9601c168d8c5daf0bfd2"},{"symbol":"GTN","expiry":"2026-11-20","observed_at":"2026-10-23T19:50:48.185000+00:00","captured_at":"2026-10-23T22:27:16.894Z","last_trade_at":"2026-10-23T20:27:13.049711755Z","price":4.5999,"iv_pct":88.65839268901907,"implied_move_pct":24.49765563103869,"put_call_skew_pp":-129.22325334102683,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GTN","source_hash":"a96ac4c1a35b8925b382eb4cb454f8ebc2f91e01df52c0e62b87b52cbf8c8c43"},{"symbol":"GTN","expiry":"2026-11-20","observed_at":"2026-10-27T13:30:59.787000+00:00","captured_at":"2026-10-27T13:38:06.536Z","last_trade_at":"2026-10-27T13:37:01.029909615Z","price":4.375,"iv_pct":100.89473394626766,"implied_move_pct":28.78401979234011,"put_call_skew_pp":-150.24057911342965,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GTN","source_hash":"06a6c05890b82f01216f51f2f96afd91d4188ccb0a2d1d8e8433480cd3449d4a"},{"symbol":"GTN","expiry":"2026-11-20","observed_at":"2026-10-28T14:40:49.597000+00:00","captured_at":"2026-10-28T14:45:11.146Z","last_trade_at":"2026-10-28T14:44:30.666702243Z","price":4.295,"iv_pct":104.4132986001396,"implied_move_pct":27.824311532437758,"put_call_skew_pp":-161.2250988162603,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GTN","source_hash":"3d55f70bb377814800d20c9a2ae9728291accba696873c319b9eadfe38be83e5"},{"symbol":"GTN","expiry":"2026-11-20","observed_at":"2026-10-29T13:48:01.068000+00:00","captured_at":"2026-10-29T13:58:29.808Z","last_trade_at":"2026-10-29T13:58:13.660676514Z","price":4.335,"iv_pct":211.44341068672964,"implied_move_pct":59.20165950939547,"put_call_skew_pp":-44.69309142440166,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GTN","source_hash":"8402bb65bebe9e8f224aad486aa475aad9e3d185f27045e94d60464af2344c12"},{"symbol":"GTN","expiry":"2026-11-20","observed_at":"2026-10-30T13:40:42.030000+00:00","captured_at":"2026-10-30T13:41:01.829Z","last_trade_at":"2026-10-30T13:39:49.363674279Z","price":4.42,"iv_pct":153.00261035935128,"implied_move_pct":83.03188307625234,"put_call_skew_pp":-119.98665420829924,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GTN","source_hash":"c3b1255dcf1eead900ba6f675d4e979cbbd5fec903056d57b8c6a7656c76f882"},{"symbol":"GTN","expiry":"2026-11-20","observed_at":"2026-11-03T19:42:42.702000+00:00","captured_at":"2026-11-03T19:54:05.567Z","last_trade_at":"2026-11-03T19:53:35.463599069Z","price":4.78,"iv_pct":171.9518119247422,"implied_move_pct":36.27014932438185,"put_call_skew_pp":-6.417232422142249,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GTN","source_hash":"f007b7f895e9fa7c3c5b7211123845d2b68256606a42009f0eabede2921ae246"}],"dailyIv":[{"symbol":"GTN","date":"2026-08-13","iv_pct":86.31180406246102,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":129.1626581875993,"put_iv_pct":90.20162546028405},{"expiry":"2026-09-18","call_iv_pct":92.10126550079494,"put_iv_pct":69.18064123116383},{"expiry":"2026-10-16","call_iv_pct":83.60011066707656,"put_iv_pct":71.41480254777069},{"expiry":"2026-11-20","call_iv_pct":75.76992833681697,"put_iv_pct":79.06340056818182}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GTN","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"f4c43d54babfe11ac6288c8b3074918431b58b06a544f482ab177b83d7e69c69","captured_at":"2026-10-24T10:58:00.373839+00:00","observed_at":"2026-08-13T15:59:00-04:00","session_close_at":"2026-08-13T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"GTN","expiration":"*","start_date":"2026-08-13","end_date":"2026-08-13","strike_range":20,"format":"json"},"source_hash":"d88c8791110a1c03f69d053b982933ebf9dd5e95614ae2cb546c76283666710c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","expiration":"2026-08-21","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ffeec8d3d5acea5e9d52e186ea30976ca59e64d6f4fdbab61da41e66f4ee6f36"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","expiration":"2026-09-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"904a8b91cc7fa11a98f2951088c3d6e1b6fbcc327bc55da1542f7c885d1fa70c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","expiration":"2026-10-16","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8472f1f2de0469ff2d670767d2eb491a66be517ff0b62bcffc6a462fc14cee9a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","expiration":"2026-11-20","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"5f32efaea149009fef8e9ec3b3d762341ddb73dc148ed8eebcc5bd72e77d7463"}]},{"symbol":"GTN","date":"2026-08-19","iv_pct":90.50912582977753,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":73.29991638078899,"put_iv_pct":269.3637606837607},{"expiry":"2026-09-18","call_iv_pct":36.47858113673805,"put_iv_pct":82.20638475836431},{"expiry":"2026-10-16","call_iv_pct":54.70229416466827,"put_iv_pct":77.35804123711341},{"expiry":"2026-11-20","call_iv_pct":66.66047181760608,"put_iv_pct":64.00355645918047}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GTN","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"366ef458ed6caa6588dc446faa02692241177f6735be247cfa32f4519e31764b","captured_at":"2026-10-24T10:57:51.514513+00:00","observed_at":"2026-08-19T15:59:00-04:00","session_close_at":"2026-08-19T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"GTN","expiration":"*","start_date":"2026-08-19","end_date":"2026-08-19","strike_range":20,"format":"json"},"source_hash":"4da7707d61108a1d59cd68b8db3133427ad241517aea0103988ca69275446efb"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","expiration":"2026-08-21","start_date":"2026-08-15","end_date":"2026-08-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a6cdb532b49bd34fa1c308b6a7ffc2442c702e745f33a2c30c4047431620b099"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"e4564bc82cb53a3fd124b7906cc7d134a4ab70f4117385399379194648e6a158"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"fbe121ac174de3a3e8b76a0fd6533455310f9611589b3a6bb4bb114946c548c7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","expiration":"2026-11-20","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":"37b9ce9b07d6766479b48f3f0fed2e6fe2756694a4e05258de8aee933d10bf4a"}]},{"symbol":"GTN","date":"2026-08-21","iv_pct":62.66199417867338,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":50.02399369085173,"put_iv_pct":61.9930563002681},{"expiry":"2026-10-16","call_iv_pct":46.69201372997709,"put_iv_pct":72.34553028366982},{"expiry":"2026-11-20","call_iv_pct":75.76331125827814,"put_iv_pct":64.35032415375788},{"expiry":"2026-12-18","call_iv_pct":60.58652296819788,"put_iv_pct":69.54120104438643}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GTN","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"d9dff39d8bdb11ac474f76bb7e088919962992bbd01d2f8458679c5b6d3f938e","captured_at":"2026-10-24T10:57:47.169081+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":"GTN","expiration":"*","start_date":"2026-08-21","end_date":"2026-08-21","strike_range":20,"format":"json"},"source_hash":"0812005615dadae1362b7edf8b34198aed47cae957d755849e1e13fb06f0d889"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"e4564bc82cb53a3fd124b7906cc7d134a4ab70f4117385399379194648e6a158"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"fbe121ac174de3a3e8b76a0fd6533455310f9611589b3a6bb4bb114946c548c7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","expiration":"2026-11-20","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":"37b9ce9b07d6766479b48f3f0fed2e6fe2756694a4e05258de8aee933d10bf4a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"742c48da50bbd5115d799d524d1004a4f7101eb180ad9e3785c08aa948ff48b7"}]},{"symbol":"GTN","date":"2026-08-24","iv_pct":67.7810140824988,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":48.29796645268172,"put_iv_pct":86.8582727053722},{"expiry":"2026-10-16","call_iv_pct":54.14763787721124,"put_iv_pct":73.56393245431414},{"expiry":"2026-11-20","call_iv_pct":84.37910306406687,"put_iv_pct":70.5649450806263},{"expiry":"2026-12-18","call_iv_pct":56.495835312747424,"put_iv_pct":67.94041971297048}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GTN","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"495662c62ddf7bb30d53a3328dd0de39c31540e7236ff3fdabdde4a5c7f600db","captured_at":"2026-10-24T10:57:43.894657+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":"GTN","expiration":"*","start_date":"2026-08-24","end_date":"2026-08-24","strike_range":20,"format":"json"},"source_hash":"7f0fecf7f1a1ae6a776ce88d6f1193a0b9e26d87ee84e1689dc9262a8afe953e"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"6e9cc721e94a7a6abf42ccd5aff599a25baa38cf6e72a8269f69c358fc3c0460"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"e4fc93dd8c8ae9be4ded5f5453222d6a09403d3649e287329b0a216720f78f13"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","expiration":"2026-11-20","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":"8f701326f9685069c57218dfffded8da3ede531adf2fab152b4d668e4e137609"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"d3dcc4926b5373062d7c161c6ea820e5f76554bf02c7eb01980e92e3a7466ad4"}]},{"symbol":"GTN","date":"2026-08-25","iv_pct":66.76690806572118,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":62.930160692212624,"put_iv_pct":53.63160362280234},{"expiry":"2026-10-16","call_iv_pct":64.69387543252594,"put_iv_pct":89.77491250643335},{"expiry":"2026-11-20","call_iv_pct":74.59490058910163,"put_iv_pct":69.42300534423137},{"expiry":"2026-12-18","call_iv_pct":54.440822673689496,"put_iv_pct":64.64598366477273}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GTN","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"f2d9be8922104fabf09a4957ef44686329f45883f88c34179fc4970e5fffeb1e","captured_at":"2026-10-24T10:57:42.291288+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":"GTN","expiration":"*","start_date":"2026-08-25","end_date":"2026-08-25","strike_range":20,"format":"json"},"source_hash":"a06407af9fcb31093ea39ee34b0bc6f9a975501aff4385f995a25205f4af7b3d"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"6e9cc721e94a7a6abf42ccd5aff599a25baa38cf6e72a8269f69c358fc3c0460"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"e4fc93dd8c8ae9be4ded5f5453222d6a09403d3649e287329b0a216720f78f13"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","expiration":"2026-11-20","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":"8f701326f9685069c57218dfffded8da3ede531adf2fab152b4d668e4e137609"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"d3dcc4926b5373062d7c161c6ea820e5f76554bf02c7eb01980e92e3a7466ad4"}]},{"symbol":"GTN","date":"2026-08-26","iv_pct":66.85344242832949,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":65.8857336649333,"put_iv_pct":83.30929386590584},{"expiry":"2026-10-16","call_iv_pct":55.92181648812296,"put_iv_pct":59.17841584158416},{"expiry":"2026-11-20","call_iv_pct":66.44973180076627,"put_iv_pct":80.52792719369735},{"expiry":"2026-12-18","call_iv_pct":53.39427326326584,"put_iv_pct":70.1603473083602}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GTN","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"cb7c08aa2cca0f7ea18c96125d17469babad475deaa0a569b92ac81fe780113a","captured_at":"2026-10-24T10:57:40.716626+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":"GTN","expiration":"*","start_date":"2026-08-26","end_date":"2026-08-26","strike_range":20,"format":"json"},"source_hash":"f684efeeb7167da3f622d96dda0bfc498e9b6c3c7ccdf8df5608be2184a9211c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"6e9cc721e94a7a6abf42ccd5aff599a25baa38cf6e72a8269f69c358fc3c0460"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"e4fc93dd8c8ae9be4ded5f5453222d6a09403d3649e287329b0a216720f78f13"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","expiration":"2026-11-20","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":"8f701326f9685069c57218dfffded8da3ede531adf2fab152b4d668e4e137609"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"d3dcc4926b5373062d7c161c6ea820e5f76554bf02c7eb01980e92e3a7466ad4"}]},{"symbol":"GTN","date":"2026-09-03","iv_pct":58.99364767616555,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":45.72696540880502,"put_iv_pct":63.01066101694916},{"expiry":"2026-10-16","call_iv_pct":48.746026572555536,"put_iv_pct":60.65317038102085},{"expiry":"2026-11-20","call_iv_pct":70.24340782122904,"put_iv_pct":59.22291757840993},{"expiry":"2026-12-18","call_iv_pct":54.137467980295575,"put_iv_pct":70.20856465005932}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GTN","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"a269b11d4b7099c9aadb5082523f4fff5084f5c60b4fae06853ba0282e4989c0","captured_at":"2026-10-24T10:57:10.211227+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":"GTN","expiration":"*","start_date":"2026-09-03","end_date":"2026-09-03","strike_range":20,"format":"json"},"source_hash":"e004c5156570489db4c5a92f8a18ccb207e2421218d45f1e3500322834ee914f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"c4de4f0d9d63e6d22db1ba694810692fc952b84d79ad28c0a1ced6202da1e76a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"4d6ea976a38901302816262f9671bec41f99712bac01c920b066972558bdc983"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","expiration":"2026-11-20","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":"ee10a3aae5289c89843eb83515c882c67c87f4ca42994bc231d5af00f3a561a6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GTN","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":"fd4eae4d92bae727d4d45ab8f146fd6d42af43a9d23a367bd6eaa7eaf076c9c6"}]}],"dailyIvModel":"theta-four-friday-close-50delta-v3","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/GTN","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":"2026-08-13","observed_at":"2026-08-13T15:59:00-04:00","iv_pct":86.31180406246102,"put_call_skew_pp":-17.693373221221847,"implied_move_pct":28.574650156609213,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"f4c43d54babfe11ac6288c8b3074918431b58b06a544f482ab177b83d7e69c69","expiries":["2026-08-21","2026-09-18","2026-10-16","2026-11-20"]},{"date":"2026-08-19","observed_at":"2026-08-19T15:59:00-04:00","iv_pct":90.50912582977753,"put_call_skew_pp":65.44761990965436,"implied_move_pct":22.241066331528557,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"366ef458ed6caa6588dc446faa02692241177f6735be247cfa32f4519e31764b","expiries":["2026-08-21","2026-09-18","2026-10-16","2026-11-20"]},{"date":"2026-08-21","observed_at":"2026-08-21T15:59:00-04:00","iv_pct":62.66199417867338,"put_call_skew_pp":8.791067533694346,"implied_move_pct":27.729739976531686,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"d9dff39d8bdb11ac474f76bb7e088919962992bbd01d2f8458679c5b6d3f938e","expiries":["2026-09-18","2026-10-16","2026-11-20","2026-12-18"]},{"date":"2026-08-24","observed_at":"2026-08-24T15:59:00-04:00","iv_pct":67.7810140824988,"put_call_skew_pp":13.901756811643972,"implied_move_pct":28.773614943934817,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"495662c62ddf7bb30d53a3328dd0de39c31540e7236ff3fdabdde4a5c7f600db","expiries":["2026-09-18","2026-10-16","2026-11-20","2026-12-18"]},{"date":"2026-08-25","observed_at":"2026-08-25T15:59:00-04:00","iv_pct":66.76690806572118,"put_call_skew_pp":5.203936437677527,"implied_move_pct":28.15905305861039,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"f2d9be8922104fabf09a4957ef44686329f45883f88c34179fc4970e5fffeb1e","expiries":["2026-09-18","2026-10-16","2026-11-20","2026-12-18"]},{"date":"2026-08-26","observed_at":"2026-08-26T15:59:00-04:00","iv_pct":66.85344242832949,"put_call_skew_pp":12.8811072481148,"implied_move_pct":27.59927332347031,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"cb7c08aa2cca0f7ea18c96125d17469babad475deaa0a569b92ac81fe780113a","expiries":["2026-09-18","2026-10-16","2026-11-20","2026-12-18"]},{"date":"2026-09-03","observed_at":"2026-09-03T15:59:00-04:00","iv_pct":58.99364767616555,"put_call_skew_pp":8.56036146088852,"implied_move_pct":23.2984796064134,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"a269b11d4b7099c9aadb5082523f4fff5084f5c60b4fae06853ba0282e4989c0","expiries":["2026-09-18","2026-10-16","2026-11-20","2026-12-18"]}]}