{"contracts":[{"ticker":"SPY","type":"C","strike":742,"expiry":"2026-07-28","volume":749816,"oi":8045,"vol_oi":93.20273461777502,"iv":0.2077},{"ticker":"SPY","type":"P","strike":741,"expiry":"2026-07-28","volume":709592,"oi":4202,"vol_oi":168.87006187529747,"iv":0.133},{"ticker":"SPY","type":"P","strike":740,"expiry":"2026-07-28","volume":635097,"oi":9808,"vol_oi":64.75295676998368,"iv":0.1483},{"ticker":"SPY","type":"C","strike":741,"expiry":"2026-07-28","volume":526703,"oi":5335,"vol_oi":98.72596063730084,"iv":0.1588},{"ticker":"SPY","type":"C","strike":743,"expiry":"2026-07-28","volume":504010,"oi":9675,"vol_oi":52.09405684754522,"iv":0.278},{"ticker":"QQQ","type":"C","strike":678,"expiry":"2026-07-28","volume":416439,"oi":1834,"vol_oi":227.0659760087241,"iv":0.344},{"ticker":"SPY","type":"C","strike":740,"expiry":"2026-07-28","volume":401467,"oi":12339,"vol_oi":32.53642920820164,"iv":0.1625},{"ticker":"QQQ","type":"C","strike":680,"expiry":"2026-07-28","volume":400338,"oi":3433,"vol_oi":116.61462277891057,"iv":0.4793},{"ticker":"SPY","type":"P","strike":737,"expiry":"2026-07-28","volume":399868,"oi":9021,"vol_oi":44.32634962864427,"iv":0.2942},{"ticker":"SPY","type":"P","strike":736,"expiry":"2026-07-28","volume":394795,"oi":7440,"vol_oi":53.063844086021504,"iv":0.3697},{"ticker":"QQQ","type":"C","strike":677,"expiry":"2026-07-28","volume":369679,"oi":861,"vol_oi":429.36004645760744,"iv":0.2893},{"ticker":"SPY","type":"P","strike":739,"expiry":"2026-07-28","volume":362978,"oi":6280,"vol_oi":57.79904458598726,"iv":0.1816},{"ticker":"SPY","type":"P","strike":738,"expiry":"2026-07-28","volume":357757,"oi":8122,"vol_oi":44.0478946072396,"iv":0.2559},{"ticker":"SPY","type":"P","strike":742,"expiry":"2026-07-28","volume":356091,"oi":4250,"vol_oi":83.78611764705883,"iv":0.1876},{"ticker":"QQQ","type":"P","strike":676,"expiry":"2026-07-28","volume":345019,"oi":2794,"vol_oi":123.48568360773085,"iv":0.2294},{"ticker":"QQQ","type":"P","strike":677,"expiry":"2026-07-28","volume":331151,"oi":6340,"vol_oi":52.2320189274448,"iv":0.1616},{"ticker":"QQQ","type":"P","strike":675,"expiry":"2026-07-28","volume":328809,"oi":4383,"vol_oi":75.01916495550992,"iv":0.2382},{"ticker":"SPY","type":"C","strike":744,"expiry":"2026-07-28","volume":315461,"oi":7235,"vol_oi":43.60207325501037,"iv":0.3641},{"ticker":"QQQ","type":"C","strike":679,"expiry":"2026-07-28","volume":310871,"oi":1127,"vol_oi":275.8393966282165,"iv":0.3881},{"ticker":"SPY","type":"P","strike":735,"expiry":"2026-07-28","volume":283804,"oi":9337,"vol_oi":30.395630288101103,"iv":0.4436},{"ticker":"SPY","type":"C","strike":739,"expiry":"2026-07-28","volume":273251,"oi":4838,"vol_oi":56.48015708970649,"iv":0.2364},{"ticker":"SPY","type":"C","strike":745,"expiry":"2026-07-28","volume":261566,"oi":17707,"vol_oi":14.771898119387814,"iv":0.3866},{"ticker":"QQQ","type":"P","strike":670,"expiry":"2026-07-28","volume":258366,"oi":15868,"vol_oi":16.28220317620368,"iv":0.4934},{"ticker":"QQQ","type":"C","strike":676,"expiry":"2026-07-28","volume":234230,"oi":844,"vol_oi":277.52369668246445,"iv":0.2723},{"ticker":"SPY","type":"C","strike":738,"expiry":"2026-07-28","volume":225459,"oi":4513,"vol_oi":49.957677819632174,"iv":0.2692},{"ticker":"QQQ","type":"C","strike":675,"expiry":"2026-07-28","volume":216704,"oi":429,"vol_oi":505.13752913752916,"iv":0.2742},{"ticker":"SPY","type":"P","strike":734,"expiry":"2026-07-28","volume":214769,"oi":3475,"vol_oi":61.80402877697842,"iv":0.5164},{"ticker":"QQQ","type":"P","strike":674,"expiry":"2026-07-28","volume":207954,"oi":2704,"vol_oi":76.9060650887574,"iv":0.2545},{"ticker":"NVDA","type":"C","strike":200,"expiry":"2026-07-29","volume":187871,"oi":9208,"vol_oi":20.403019113814075,"iv":0.4743},{"ticker":"QQQ","type":"P","strike":678,"expiry":"2026-07-28","volume":182855,"oi":1681,"vol_oi":108.77751338488994,"iv":0}],"count":30,"created_at":"2026-07-28T20:38:00.099763Z","data_at":"2026-07-28T20:21:33Z","et_day":"2026-07-28"}
