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0.0012, "theta": -0.0015, "rho": 0.0015, "theo": 4.0681, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 3.4, "last_trade_time": "2026-03-31T12:18:35", "percent_change": 0.0, "prev_day_close": 4.19999992847443}, {"option": "TSHA261218P00001000", "bid": 0.0, "bid_size": 0.0, "ask": 0.5, "ask_size": 1.0, "iv": 3.2723, "open_interest": 1.0, "volume": 0.0, "delta": -0.0208, "gamma": 0.0092, "vega": 0.0012, "theta": -0.0015, "rho": -0.0004, "theo": 0.0637, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.5, "last_trade_time": "2025-12-04T09:45:54", "percent_change": 0.0, "prev_day_close": 0.25}, {"option": "TSHA261218C00001500", "bid": 3.1, "bid_size": 1.0, "ask": 4.1, "ask_size": 1.0, "iv": 0.0, "open_interest": 5.0, "volume": 0.0, "delta": 0.9604, "gamma": 0.018, "vega": 0.0021, "theta": -0.0021, "rho": 0.0024, "theo": 3.61, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", 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0.0, "tick": "down", "last_trade_price": 0.35, "last_trade_time": "2026-09-15T13:33:15", "percent_change": 0.0, "prev_day_close": 0.575000002980232}, {"option": "TSHA261218C00005000", "bid": 0.45, "bid_size": 1.0, "ask": 1.45, "ask_size": 1.0, "iv": 0.8932, "open_interest": 250.0, "volume": 0.0, "delta": 0.5972, "gamma": 0.1685, "vega": 0.0096, "theta": -0.0048, "rho": 0.0052, "theo": 0.9166, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 2.0, "last_trade_time": "2026-08-25T15:28:17", "percent_change": 0.0, "prev_day_close": 0.950000017881394}, {"option": "TSHA261218P00005000", "bid": 0.4, "bid_size": 1.0, "ask": 1.4, "ask_size": 1.0, "iv": 0.9366, "open_interest": 92.0, "volume": 0.0, "delta": -0.4023, "gamma": 0.1705, "vega": 0.0096, "theta": -0.0049, "rho": -0.006, "theo": 0.8747, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.85, "last_trade_time": "2026-09-16T11:21:04", "percent_change": 0.0, 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1.1541, "open_interest": 461.0, "volume": 0.0, "delta": 0.296, "gamma": 0.1369, "vega": 0.0086, "theta": -0.0047, "rho": 0.0028, "theo": 0.3638, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 0.65, "last_trade_time": "2026-08-31T11:30:40", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "TSHA261218P00007500", "bid": 2.3, "bid_size": 1.0, "ask": 3.3, "ask_size": 1.0, "iv": 0.9919, "open_interest": 137.0, "volume": 0.0, "delta": -0.7094, "gamma": 0.1416, "vega": 0.0085, "theta": -0.0049, "rho": -0.0103, "theo": 2.8079, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 2.45, "last_trade_time": "2026-08-05T15:09:44", "percent_change": 0.0, "prev_day_close": 2.79999995231628}, {"option": "TSHA261218C00009000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 10.0, "iv": 1.3838, "open_interest": 44.0, "volume": 0.0, "delta": 0.2266, "gamma": 0.1068, "vega": 0.0075, "theta": -0.0046, "rho": 0.0021, "theo": 0.2809, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.6, "last_trade_time": "2026-08-13T11:12:12", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "TSHA261218P00009000", "bid": 3.6, "bid_size": 1.0, "ask": 4.6, "ask_size": 1.0, "iv": 0.9314, "open_interest": 0.0, "volume": 0.0, "delta": -0.7816, "gamma": 0.1122, "vega": 0.0072, "theta": -0.0048, "rho": -0.0114, "theo": 4.219, "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": 4.0}, {"option": "TSHA261218C00010000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 1.0, "iv": 1.1886, "open_interest": 802.0, "volume": 0.0, "delta": 0.1987, "gamma": 0.0929, "vega": 0.0069, "theta": -0.0045, "rho": 0.0018, "theo": 0.2497, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.4, "last_trade_time": "2026-08-27T13:34:54", "percent_change": 0.0, "prev_day_close": 0.25}, {"option": "TSHA261218P00010000", "bid": 4.5, "bid_size": 1.0, "ask": 5.5, "ask_size": 1.0, "iv": 0.7488, "open_interest": 1.0, "volume": 0.0, "delta": -0.8111, "gamma": 0.0986, "vega": 0.0066, "theta": -0.0048, "rho": -0.0122, "theo": 5.1845, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "up", "last_trade_price": 6.08, "last_trade_time": "2025-10-16T14:59:00", "percent_change": 0.0, "prev_day_close": 4.90000009536743}, {"option": "TSHA261218C00011000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 1.0, "iv": 1.6135, "open_interest": 20.0, "volume": 0.0, "delta": 0.1785, "gamma": 0.0824, "vega": 0.0065, "theta": -0.0044, "rho": 0.0016, "theo": 0.2278, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "down", "last_trade_price": 0.6, "last_trade_time": "2026-07-23T15:37:41", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "TSHA261218P00011000", "bid": 5.5, "bid_size": 1.0, "ask": 6.5, "ask_size": 1.0, "iv": 0.8351, "open_interest": 0.0, "volume": 0.0, "delta": -0.8328, "gamma": 0.0883, "vega": 0.0061, "theta": -0.0048, "rho": -0.0124, "theo": 6.1595, "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": 6.0}, {"option": "TSHA261218C00012000", "bid": 0.0, "bid_size": 0.0, "ask": 1.0, "ask_size": 1.0, "iv": 1.7074, "open_interest": 215.0, "volume": 0.0, "delta": 0.1632, "gamma": 0.0742, "vega": 0.0061, "theta": -0.0044, "rho": 0.0015, "theo": 0.2116, "change": 0.0, "open": 0.0, "high": 0.0, "low": 0.0, "tick": "no_change", "last_trade_price": 0.55, "last_trade_time": "2026-06-25T10:30:39", "percent_change": 0.0, "prev_day_close": 0.5}, {"option": "TSHA261218P00012000", "bid": 6.4, "bid_size": 1.0, "ask": 7.4, "ask_size": 1.0, "iv": 0.0, "open_interest": 0.0, "volume": 0.0, "delta": -0.8494, "gamma": 0.0805, "vega": 0.0057, "theta": -0.0048, "rho": -0.0128, "theo": 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