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ISRG20261218P450
ISRG Dec 18 2026 450.00 Put (ISRG261218P00450000)
option OPRA

EOD

Sep 24, 2026

58.90-7.434%(-4.73)3

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-24	58.9000	58.9000	58.9000	58.9000	-7.434%	3	128	0.000%
2026-09-21	63.6300	63.6300	63.6300	63.6300	-26.439%	1	131	-7.434%
2026-09-11	86.5000	86.5000	86.5000	86.5000	+8.125%	3	131	-31.908%
2026-08-07	80.0000	80.0100	80.0000	80.0000	-11.210%	12	131	-26.375%
2026-08-04	90.1000	90.1000	90.1000	90.1000	-26.323%	1	133	-34.628%
2026-07-23	122.2900	122.2900	122.2900	122.2900	+20.258%	1	134	-51.836%
2026-07-17	101.6900	101.6900	101.6900	101.6900	+27.431%	1	135	-42.079%
2026-07-14	76.0000	82.1000	76.0000	79.8000	+58.996%	3	135	-26.190%
2026-07-07	50.1900	50.1900	50.1900	50.1900	-2.164%	1	135	+17.354%
2026-07-06	51.3000	51.3000	51.3000	51.3000	-18.957%	1	134	+14.815%
2026-06-25	63.3000	63.3000	63.3000	63.3000	-6.775%	1	134	-6.951%
2026-06-24	67.9000	67.9000	67.9000	67.9000	+1.192%	3	135	-13.255%
2026-06-23	67.1000	67.1000	67.1000	67.1000	+0.299%	1	138	-12.221%
2026-06-17	67.0000	67.0000	66.7000	66.9000	+10.469%	5	135	-11.958%
2026-06-15	60.3200	60.5600	60.3200	60.5600	-4.780%	5	135	-2.741%
2026-06-01	63.6000	63.6000	63.6000	63.6000	+3.583%	1	137	-7.390%
2026-05-27	61.4000	61.4000	61.4000	61.4000	+23.293%	1	137	-4.072%
2026-05-26	49.8300	49.8700	49.4900	49.8000	+1.014%	21	137	+18.273%
2026-05-22	49.3000	49.3000	49.3000	49.3000	-1.044%	1	115	+19.473%
2026-05-18	49.9700	50.0100	49.8200	49.8200	-13.761%	50	114	+18.226%
2026-05-15	57.5000	57.7700	57.5000	57.7700	+10.353%	2	114	+1.956%
2026-05-12	52.8000	52.8000	52.3500	52.3500	-10.681%	2	86	+12.512%
2026-05-11	55.3000	58.6100	55.3000	58.6100	+52.234%	2	86	+0.495%
2026-05-07	40.1900	40.1900	38.5000	38.5000	-4.797%	7	86	+52.987%
2026-05-05	40.4400	40.4400	40.4400	40.4400	-1.366%	10	86	+45.648%
2026-05-04	41.0000	41.0000	41.0000	41.0000	-0.726%	3	86	+43.659%
2026-04-30	41.3000	41.3000	41.3000	41.3000	-3.505%	2	86	+42.615%
2026-04-29	42.8000	42.8000	42.8000	42.8000	+9.184%	3	87	+37.617%
2026-04-17	39.6000	39.6000	39.2000	39.2000	-19.474%	2	84	+50.255%
2026-04-13	48.6800	48.6800	48.6800	48.6800	+19.548%	1	84	+20.994%
2026-04-08	40.7200	40.7200	40.7200	40.7200	-18.560%	1	85	+44.646%
2026-03-27	50.0000	50.0000	50.0000	50.0000	+16.117%	2	85	+17.800%
2026-03-25	43.0600	43.0600	43.0600	43.0600	+5.024%	1	83	+36.786%
2026-03-20	41.0000	41.0000	41.0000	41.0000	+19.186%	7	83	+43.659%
2026-02-24	34.4000	34.4000	34.4000	34.4000	+6.502%	14	77	+71.221%
2026-02-23	32.3000	32.3000	32.3000	32.3000	-1.223%	1	63	+82.353%
2026-02-20	32.7000	32.7000	32.7000	32.7000	+0.615%	21	63	+80.122%
2026-02-19	32.5000	32.5000	32.5000	32.5000	-2.402%	2	63	+81.231%
2026-02-18	33.3000	33.3000	33.3000	33.3000	-7.500%	1	63	+76.877%
2026-02-17	36.0000	36.0000	36.0000	36.0000	+2.857%	8	63	+63.611%
2026-02-13	35.0300	36.0400	33.4100	35.0000	-4.891%	27	66	+68.286%
2026-02-06	36.8000	36.8000	36.8000	36.8000	-5.641%	1	66	+60.054%
2026-02-04	39.0000	39.0000	39.0000	39.0000	+4.558%	1	66	+51.026%
2026-02-03	37.3000	37.3000	37.3000	37.3000	+18.038%	1	65	+57.909%
2026-01-29	29.8700	31.6000	29.8700	31.6000	+43.636%	2	66	+86.392%
2026-01-23	22.0000	22.0000	22.0000	22.0000	-18.519%	3	65	+167.727%
2026-01-22	26.2500	27.0000	26.2500	27.0000	-4.930%	2	64	+118.148%
2026-01-20	28.8000	28.8000	27.4000	28.4000	+65.598%	17	64	+107.394%
2026-01-07	17.1500	17.1500	17.1500	17.1500	-8.289%	1	49	+243.440%
2026-01-06	19.6000	19.6000	18.5100	18.7000	-7.563%	7	49	+214.973%
2025-12-29	20.2300	20.2300	20.2300	20.2300	-15.000%	8	49	+191.152%
2025-12-17	23.8000	23.8000	23.8000	23.8000	-0.833%	2	49	+147.479%
2025-12-15	24.9000	24.9000	24.0000	24.0000	-1.639%	3	49	+145.417%
2025-12-09	24.4000	24.4000	24.4000	24.4000	-5.792%	1	51	+141.393%
2025-11-24	25.9000	25.9000	25.9000	25.9000	-8.803%	1	51	+127.413%
2025-11-18	28.4000	28.4000	28.4000	28.4000	+7.903%	1	51	+107.394%
2025-11-14	26.3000	26.3200	26.3000	26.3200	+12.000%	4	50	+123.784%
2025-11-13	23.5000	23.5000	23.5000	23.5000	+3.753%	1	48	+150.638%
2025-11-11	23.0200	23.0200	22.6500	22.6500	-12.885%	3	51	+160.044%
2025-11-07	26.0000	26.0000	26.0000	26.0000	-4.306%	1	51	+126.538%
2025-10-28	27.1700	27.1700	27.1700	27.1700	-56.458%	1	52	+116.783%
2025-10-16	63.9000	63.9000	62.4000	62.4000	+7.383%	8	52	-5.609%
2025-10-09	58.3000	58.3000	58.0700	58.1100	-0.034%	3	47	+1.359%
2025-10-08	58.1300	58.1300	58.1300	58.1300	+4.064%	2	48	+1.325%
2025-10-06	54.6400	56.2700	54.1000	55.8600	-4.021%	9	48	+5.442%
2025-09-26	58.2000	58.2000	58.2000	58.2000	-3.642%	1	44	+1.203%
2025-09-19	60.4000	60.4000	60.4000	60.4000	-2.738%	10	44	-2.483%
2025-09-18	62.1000	62.1000	62.1000	62.1000	-0.161%	1	34	-5.153%
2025-09-17	62.2000	62.2000	62.2000	62.2000	-0.321%	1	33	-5.305%
2025-09-16	62.6700	62.6700	62.4000	62.4000	+13.827%	3	33	-5.609%
2025-09-12	54.8200	54.8200	54.8200	54.8200	+1.331%	1	30	+7.443%
2025-09-10	54.1000	54.1000	54.1000	54.1000	+1.692%	1	31	+8.872%
2025-09-04	53.2000	53.2000	53.2000	53.2000	+39.194%	5	30	+10.714%
2025-07-18	38.5000	38.5000	38.1300	38.2200	-9.986%	9	29	+54.108%
2025-06-09	42.4600	42.4600	42.4600	42.4600	+20.283%	1	21	+38.719%
2025-05-30	36.1000	36.1000	35.3000	35.3000	-24.701%	4	21	+66.856%
2025-04-30	46.8800	46.8800	46.8800	46.8800	-28.318%	7	19	+25.640%
2025-04-21	65.4000	65.4000	65.4000	65.4000	+45.333%	1	26	-9.939%
2025-04-09	45.0000	45.0000	45.0000	45.0000	-35.668%	1	26	+30.889%
2025-04-04	69.9500	69.9500	69.9500	69.9500	+97.042%	2	25	-15.797%
2024-12-11	34.9000	35.5000	34.9000	35.5000	+9.568%	20	25	+65.915%
2024-12-06	32.5000	32.5000	32.4000	32.4000	-4.706%	40	36	+81.790%
2024-12-04	34.0000	34.0000	34.0000	34.0000	-4.225%	8	16	+73.235%
2024-12-03	35.5000	35.5000	35.5000	35.5000	-18.931%	8	16	+65.915%
2024-10-31	43.7900	43.7900	43.7900	43.7900	+0.206%	2	8	+34.506%
2024-10-23	43.0200	43.7000	43.0200	43.7000	-37.953%	2	8	+34.783%
2024-08-05	70.8300	70.8300	70.3400	70.4300	0.000%	7	7	-16.371%