{"timestamp": "2026-09-21 01:45:43", "data": {"options": [{"option": "ACOG261016C00002500", "bid": 4.0, "bid_size": 20.0, "ask": 9.0, "ask_size": 9.0, "iv": 3.1377, "open_interest": 0.0, "volume": 0.0, "delta": 0.975, "gamma": 0.0087, "vega": 0.0016, "theta": -0.0092, "rho": 0.0016, "theo": 6.5021, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.5}, {"option": "ACOG261016P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 3.6, "ask_size": 973.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.0296, "gamma": 0.0087, "vega": 0.0016, "theta": -0.0092, "rho": -0.0003, "theo": 0.1241, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.79999995231628}, {"option": "ACOG261016C00005000", "bid": 1.65, "bid_size": 37.0, "ask": 6.5, "ask_size": 11.0, "iv": 1.7706, "open_interest": 0.0, "volume": 0.0, "delta": 0.9169, "gamma": 0.0343, "vega": 0.0039, "theta": -0.0131, "rho": 0.0031, "theo": 4.1212, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.07499998807907}, {"option": "ACOG261016P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 3.6, "ask_size": 199.0, "iv": 4.9066, "open_interest": 10.0, "volume": 0.0, "delta": -0.0878, "gamma": 0.0344, "vega": 0.0039, "theta": -0.0132, "rho": -0.0007, "theo": 0.235, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.05, "last_trade_time": "2026-09-11T13:01:27", "percent_change": 0.0, "prev_day_close": 1.79999995231628}, {"option": "ACOG261016C00007500", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 18.0, "iv": 1.862, "open_interest": 1.0, "volume": 0.0, "delta": 0.7579, "gamma": 0.1099, "vega": 0.0077, "theta": -0.0162, "rho": 0.0037, "theo": 1.8929, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.4, "last_trade_time": "2026-09-14T09:31:34", "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG261016P00007500", "bid": 0.0, "bid_size": 0.0, "ask": 3.9, "ask_size": 338.0, "iv": 2.9474, "open_interest": 0.0, "volume": 1.0, "delta": -0.2479, "gamma": 0.1106, "vega": 0.0078, "theta": -0.0164, "rho": -0.0018, "theo": 0.4999, "change": -0.8, "open": 1.1, "high": 1.1, "low": 1.1, "tick": "down", "last_trade_price": 1.1, "last_trade_time": "2026-09-18T09:30:16", "percent_change": -42.1053, "prev_day_close": 1.95000004768372}, {"option": "ACOG261016C00010000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 2.9302, "open_interest": 0.0, "volume": 0.0, "delta": 0.4006, "gamma": 0.152, "vega": 0.0095, "theta": -0.0176, "rho": 0.0022, "theo": 0.6152, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG261016P00010000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 80.0, "iv": 1.7894, "open_interest": 0.0, "volume": 0.0, "delta": -0.6089, "gamma": 0.1541, "vega": 0.0094, "theta": -0.0179, "rho": -0.0039, "theo": 1.7224, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG261016C00012500", "bid": 0.05, "bid_size": 2.0, "ask": 0.65, "ask_size": 5.0, "iv": 1.3035, "open_interest": 52.0, "volume": 0.0, "delta": 0.2282, "gamma": 0.0941, "vega": 0.0074, "theta": -0.0172, "rho": 0.0013, "theo": 0.3525, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.05, "last_trade_time": "2026-09-14T15:49:44", "percent_change": 0.0, "prev_day_close": 0.3499999884516}, {"option": "ACOG261016P00012500", "bid": 1.15, "bid_size": 1.0, "ask": 6.0, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.7827, "gamma": 0.096, "vega": 0.0072, "theta": -0.0175, "rho": -0.0049, "theo": 3.9622, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.57499998807907}, {"option": "ACOG261016C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 0.5, "ask_size": 1.0, "iv": 1.5262, "open_interest": 0.0, "volume": 0.0, "delta": 0.1613, "gamma": 0.0642, "vega": 0.006, "theta": -0.0163, "rho": 0.0009, "theo": 0.2628, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 0.25}, {"option": "ACOG261016P00015000", "bid": 3.6, "bid_size": 39.0, "ask": 8.5, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.85, "gamma": 0.0659, "vega": 0.0057, "theta": -0.0168, "rho": -0.0052, "theo": 6.3739, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.04999995231628}, {"option": "ACOG261016C00017500", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 4.3511, "open_interest": 0.0, "volume": 0.0, "delta": 0.1264, "gamma": 0.0482, "vega": 0.005, "theta": -0.0155, "rho": 0.0007, "theo": 0.2151, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG261016P00017500", "bid": 6.1, "bid_size": 39.0, "ask": 11.0, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8853, "gamma": 0.0499, "vega": 0.0047, "theta": -0.016, "rho": -0.0054, "theo": 8.8267, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.54999995231628}, {"option": "ACOG261120C00002500", "bid": 4.1, "bid_size": 39.0, "ask": 9.0, "ask_size": 11.0, "iv": 2.1452, "open_interest": 0.0, "volume": 0.0, "delta": 0.9653, "gamma": 0.0095, "vega": 0.0033, "theta": -0.0068, "rho": 0.0032, "theo": 6.6799, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.54999995231628}, {"option": "ACOG261120P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 3.8, "ask_size": 973.0, "iv": 7.26, "open_interest": 0.0, "volume": 0.0, "delta": -0.0425, "gamma": 0.0095, "vega": 0.0033, "theta": -0.0068, "rho": -0.001, "theo": 0.2629, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.89999997615814}, {"option": "ACOG261120C00005000", "bid": 1.6, "bid_size": 39.0, "ask": 6.5, "ask_size": 11.0, "iv": 1.0353, "open_interest": 0.0, "volume": 0.0, "delta": 0.8908, "gamma": 0.0324, "vega": 0.0072, "theta": -0.0094, "rho": 0.006, "theo": 4.4175, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.05000001192093}, {"option": "ACOG261120P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 3.8, "ask_size": 234.0, "iv": 3.4164, "open_interest": 0.0, "volume": 0.0, "delta": -0.1173, "gamma": 0.0326, "vega": 0.0072, "theta": -0.0095, "rho": -0.0024, "theo": 0.4818, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 1.89999997615814}, {"option": "ACOG261120C00007500", "bid": 0.1, "bid_size": 967.0, "ask": 4.9, "ask_size": 1.0, "iv": 1.2508, "open_interest": 0.0, "volume": 0.0, "delta": 0.7363, "gamma": 0.0788, "vega": 0.0122, "theta": -0.0111, "rho": 0.0072, "theo": 2.3719, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.50000004842877}, {"option": "ACOG261120P00007500", "bid": 0.0, "bid_size": 0.0, "ask": 4.4, "ask_size": 234.0, "iv": 2.1923, "open_interest": 1.0, "volume": 0.0, "delta": -0.2733, "gamma": 0.0796, "vega": 0.0123, "theta": -0.0112, "rho": -0.005, "theo": 0.92, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.75, "last_trade_time": "2026-07-29T09:30:02", "percent_change": 0.0, "prev_day_close": 2.20000004768372}, {"option": "ACOG261120C00010000", "bid": 0.0, "bid_size": 0.0, "ask": 2.45, "ask_size": 1.0, "iv": 1.0916, "open_interest": 2.0, "volume": 0.0, "delta": 0.4841, "gamma": 0.1089, "vega": 0.0147, "theta": -0.0117, "rho": 0.0056, "theo": 1.0893, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 1.0, "last_trade_time": "2026-09-04T15:39:36", "percent_change": 0.0, "prev_day_close": 1.22500002384186}, {"option": "ACOG261120P00010000", "bid": 0.1, "bid_size": 967.0, "ask": 4.9, "ask_size": 1.0, "iv": 1.2516, "open_interest": 0.0, "volume": 0.0, "delta": -0.5297, "gamma": 0.1111, "vega": 0.0146, "theta": -0.012, "rho": -0.0089, "theo": 2.13, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.50000004842877}, {"option": "ACOG261120C00012500", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 2.3516, "open_interest": 2.0, "volume": 0.0, "delta": 0.3157, "gamma": 0.0876, "vega": 0.0131, "theta": -0.0114, "rho": 0.0037, "theo": 0.6505, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.59, "last_trade_time": "2026-09-01T10:16:09", "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG261120P00012500", "bid": 1.5, "bid_size": 40.0, "ask": 6.0, "ask_size": 10.0, "iv": 0.684, "open_interest": 0.0, "volume": 0.0, "delta": -0.7017, "gamma": 0.0904, "vega": 0.0127, "theta": -0.0118, "rho": -0.0114, "theo": 4.1907, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 3.75}, {"option": "ACOG261120C00015000", "bid": 0.2, "bid_size": 2.0, "ask": 4.9, "ask_size": 1.0, "iv": 2.7194, "open_interest": 17.0, "volume": 0.0, "delta": 0.233, "gamma": 0.0672, "vega": 0.0112, "theta": -0.011, "rho": 0.0027, "theo": 0.4797, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.2, "last_trade_time": "2026-09-02T09:30:32", "percent_change": 0.0, "prev_day_close": 2.55000004917383}, {"option": "ACOG261120P00015000", "bid": 3.6, "bid_size": 39.0, "ask": 8.5, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.7866, "gamma": 0.0701, "vega": 0.0107, "theta": -0.0114, "rho": -0.0126, "theo": 6.5197, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.04999995231628}, {"option": "ACOG261120C00017500", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 2.884, "open_interest": 0.0, "volume": 0.0, "delta": 0.1861, "gamma": 0.0537, "vega": 0.0098, "theta": -0.0104, "rho": 0.0022, "theo": 0.3886, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG261120P00017500", "bid": 6.1, "bid_size": 39.0, "ask": 11.0, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.835, "gamma": 0.0566, "vega": 0.0091, "theta": -0.011, "rho": -0.0133, "theo": 8.9282, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.54999995231628}, {"option": "ACOG270219C00002500", "bid": 4.0, "bid_size": 20.0, "ask": 9.0, "ask_size": 9.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 0.9702, "gamma": 0.0093, "vega": 0.0056, "theta": -0.003, "rho": 0.0072, "theo": 6.8657, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.5}, {"option": "ACOG270219P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 4.4, "ask_size": 967.0, "iv": 5.829, "open_interest": 0.0, "volume": 0.0, "delta": -0.0464, "gamma": 0.0093, "vega": 0.0056, "theta": -0.0033, "rho": -0.0029, "theo": 0.3435, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.20000004768372}, {"option": "ACOG270219C00005000", "bid": 2.0, "bid_size": 36.0, "ask": 6.5, "ask_size": 11.0, "iv": 0.7683, "open_interest": 0.0, "volume": 0.0, "delta": 0.8941, "gamma": 0.03, "vega": 0.0117, "theta": -0.0042, "rho": 0.0137, "theo": 4.6686, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.25}, {"option": "ACOG270219P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 4.6, "ask_size": 234.0, "iv": 2.557, "open_interest": 0.0, "volume": 0.0, "delta": -0.1234, "gamma": 0.0304, "vega": 0.0118, "theta": -0.0045, "rho": -0.0063, "theo": 0.6002, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.29999995231628}, {"option": "ACOG270219C00007500", "bid": 0.45, "bid_size": 397.0, "ask": 4.9, "ask_size": 33.0, "iv": 0.8377, "open_interest": 12.0, "volume": 0.0, "delta": 0.7508, "gamma": 0.0677, "vega": 0.019, "theta": -0.0051, "rho": 0.0167, "theo": 2.6949, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.0, "last_trade_time": "2026-09-10T14:24:12", "percent_change": 0.0, "prev_day_close": 2.67500004172325}, {"option": "ACOG270219P00007500", "bid": 0.75, "bid_size": 42.0, "ask": 1.35, "ask_size": 3.0, "iv": 0.842, "open_interest": 147.0, "volume": 0.0, "delta": -0.2702, "gamma": 0.0694, "vega": 0.0191, "theta": -0.0053, "rho": -0.0122, "theo": 1.0867, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.85, "last_trade_time": "2026-09-09T12:52:22", "percent_change": 0.0, "prev_day_close": 1.07500001788139}, {"option": "ACOG270219C00010000", "bid": 1.15, "bid_size": 21.0, "ask": 1.8, "ask_size": 21.0, "iv": 0.7619, "open_interest": 143.0, "volume": 0.0, "delta": 0.5411, "gamma": 0.0905, "vega": 0.0232, "theta": -0.0058, "rho": 0.0139, "theo": 1.4794, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.85, "last_trade_time": "2026-08-26T15:24:33", "percent_change": 0.0, "prev_day_close": 1.44999998807907}, {"option": "ACOG270219P00010000", "bid": 0.55, "bid_size": 38.0, "ask": 4.9, "ask_size": 1.0, "iv": 0.9384, "open_interest": 26.0, "volume": 0.0, "delta": -0.488, "gamma": 0.0949, "vega": 0.0229, "theta": -0.006, "rho": -0.0201, "theo": 2.3499, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.76, "last_trade_time": "2026-08-18T14:06:42", "percent_change": 0.0, "prev_day_close": 2.72500005364418}, {"option": "ACOG270219C00012500", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 1.4724, "open_interest": 0.0, "volume": 0.0, "delta": 0.4, "gamma": 0.0787, "vega": 0.0224, "theta": -0.0062, "rho": 0.0105, "theo": 1.0369, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG270219P00012500", "bid": 1.65, "bid_size": 1.0, "ask": 6.5, "ask_size": 34.0, "iv": 0.7021, "open_interest": 3.0, "volume": 0.0, "delta": -0.636, "gamma": 0.0843, "vega": 0.0215, "theta": -0.0065, "rho": -0.0258, "theo": 4.3989, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 4.9, "last_trade_time": "2026-07-29T09:30:16", "percent_change": 0.0, "prev_day_close": 4.07499998807907}, {"option": "ACOG270219C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 2.0, "ask_size": 3.0, "iv": 1.0315, "open_interest": 4.0, "volume": 0.0, "delta": 0.3243, "gamma": 0.0654, "vega": 0.0208, "theta": -0.0064, "rho": 0.0084, "theo": 0.8485, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 1.5, "last_trade_time": "2026-08-20T09:46:25", "percent_change": 0.0, "prev_day_close": 1.0}, {"option": "ACOG270219P00015000", "bid": 4.0, "bid_size": 37.0, "ask": 8.5, "ask_size": 10.0, "iv": 0.6697, "open_interest": 0.0, "volume": 0.0, "delta": -0.7161, "gamma": 0.0714, "vega": 0.0193, "theta": -0.0067, "rho": -0.029, "theo": 6.7034, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.25}, {"option": "ACOG270219C00017500", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 1.8168, "open_interest": 0.0, "volume": 0.0, "delta": 0.2784, "gamma": 0.0559, "vega": 0.0194, "theta": -0.0065, "rho": 0.0072, "theo": 0.7412, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG270219P00017500", "bid": 6.1, "bid_size": 39.0, "ask": 11.0, "ask_size": 11.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.7657, "gamma": 0.062, "vega": 0.0175, "theta": -0.0068, "rho": -0.0318, "theo": 9.0895, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.54999995231628}, {"option": "ACOG270521C00002500", "bid": 4.1, "bid_size": 20.0, "ask": 9.0, "ask_size": 9.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": 1.0, "gamma": 0.0085, "vega": 0.0052, "theta": -0.0008, "rho": 0.0134, "theo": 6.9068, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.54999995231628}, {"option": "ACOG270521P00002500", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 7.2716, "open_interest": 0.0, "volume": 0.0, "delta": -0.0317, "gamma": 0.0086, "vega": 0.0052, "theta": -0.0012, "rho": -0.0026, "theo": 0.1502, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG270521C00005000", "bid": 2.0, "bid_size": 39.0, "ask": 7.0, "ask_size": 11.0, "iv": 0.6184, "open_interest": 0.0, "volume": 0.0, "delta": 0.9536, "gamma": 0.0307, "vega": 0.0115, "theta": -0.0014, "rho": 0.0257, "theo": 4.5969, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.5}, {"option": "ACOG270521P00005000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 2.1723, "open_interest": 0.0, "volume": 0.0, "delta": -0.088, "gamma": 0.0317, "vega": 0.0117, "theta": -0.0017, "rho": -0.0061, "theo": 0.2645, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG270521C00007500", "bid": 0.35, "bid_size": 387.0, "ask": 4.9, "ask_size": 1.0, "iv": 0.555, "open_interest": 0.0, "volume": 0.0, "delta": 0.8269, "gamma": 0.0917, "vega": 0.0214, "theta": -0.0018, "rho": 0.0331, "theo": 2.3767, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.62500004470348}, {"option": "ACOG270521P00007500", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 1.2848, "open_interest": 0.0, "volume": 0.0, "delta": -0.2255, "gamma": 0.0996, "vega": 0.0218, "theta": -0.0021, "rho": -0.013, "theo": 0.4809, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG270521C00010000", "bid": 0.1, "bid_size": 967.0, "ask": 4.9, "ask_size": 1.0, "iv": 0.911, "open_interest": 0.0, "volume": 0.0, "delta": 0.4995, "gamma": 0.1677, "vega": 0.03, "theta": -0.002, "rho": 0.0241, "theo": 0.8117, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.50000004842877}, {"option": "ACOG270521P00010000", "bid": 0.3, "bid_size": 1.0, "ask": 4.9, "ask_size": 1.0, "iv": 0.7446, "open_interest": 0.0, "volume": 0.0, "delta": -0.6281, "gamma": 0.2221, "vega": 0.0261, "theta": -0.0027, "rho": -0.0217, "theo": 1.4542, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.60000005364418}, {"option": "ACOG270521C00012500", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 1.1172, "open_interest": 0.0, "volume": 0.0, "delta": 0.2874, "gamma": 0.1102, "vega": 0.0252, "theta": -0.0022, "rho": 0.0138, "theo": 0.4624, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG270521P00012500", "bid": 2.0, "bid_size": 36.0, "ask": 6.5, "ask_size": 20.0, "iv": 0.6818, "open_interest": 0.0, "volume": 0.0, "delta": -0.8816, "gamma": 0.1631, "vega": 0.0129, "theta": -0.003, "rho": -0.0142, "theo": 3.7151, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 4.25}, {"option": "ACOG270521C00015000", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 1.2745, "open_interest": 0.0, "volume": 0.0, "delta": 0.2099, "gamma": 0.0761, "vega": 0.0212, "theta": -0.0022, "rho": 0.0098, "theo": 0.364, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG270521P00015000", "bid": 4.1, "bid_size": 39.0, "ask": 9.0, "ask_size": 33.0, "iv": 0.7616, "open_interest": 0.0, "volume": 0.0, "delta": -0.9532, "gamma": 0.0853, "vega": 0.0051, "theta": -0.0032, "rho": -0.0066, "theo": 6.1809, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 6.54999995231628}, {"option": "ACOG270521C00017500", "bid": 0.0, "bid_size": 0.0, "ask": 4.9, "ask_size": 1.0, "iv": 1.3958, "open_interest": 0.0, "volume": 0.0, "delta": 0.1706, "gamma": 0.0582, "vega": 0.0186, "theta": -0.0022, "rho": 0.0078, "theo": 0.3142, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 2.45000004768372}, {"option": "ACOG270521P00017500", "bid": 6.5, "bid_size": 37.0, "ask": 11.0, "ask_size": 10.0, "iv": 0.717, "open_interest": 0.0, "volume": 0.0, "delta": -0.9793, "gamma": 0.0445, "vega": 0.0025, "theta": -0.0018, "rho": -0.0045, "theo": 8.6719, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.0, "last_trade_time": null, "percent_change": 0.0, "prev_day_close": 8.75}], "symbol": "ACOG", "security_type": "stock", "exchange_id": 2, "current_price": 8.83, "price_change": -0.02, "price_change_percent": -0.2265, "bid": 8.4, "ask": 9.5, "bid_size": 2000, "ask_size": 200, "open": 8.88, "high": 9.2099, "low": 8.77, "close": 8.83, "prev_day_close": 8.83, "volume": 61880, "iv30": 101.681, "iv30_change": 0.0, "iv30_change_percent": 0.0, "seqno": 0, "last_trade_time": "2026-09-18T15:59:57", "tick": "down"}, "symbol": "ACOG"}