Dark

ISRG20261218P490
ISRG Dec 18 2026 490.00 Put (ISRG261218P00490000)
option OPRA

EOD

Sep 21, 2026

98.90-26.414%(-35.50)2

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-21	98.9000	98.9000	98.9000	98.9000	-26.414%	2	58	0.000%
2026-09-09	134.4000	134.4000	134.4000	134.4000	+15.068%	1	58	-26.414%
2026-08-25	116.8000	116.8000	116.8000	116.8000	+3.638%	1	62	-15.325%
2026-08-24	112.7000	112.7000	112.7000	112.7000	-1.400%	1	63	-12.245%
2026-08-21	114.3000	114.3000	114.3000	114.3000	+14.414%	1	64	-13.473%
2026-08-20	99.9000	99.9000	99.9000	99.9000	+9.780%	1	65	-1.001%
2026-08-19	90.8000	91.0000	90.8000	91.0000	-5.699%	2	66	+8.681%
2026-08-11	96.5000	96.5000	96.5000	96.5000	-19.449%	1	67	+2.487%
2026-08-05	119.8000	119.8000	119.8000	119.8000	+24.017%	1	67	-17.446%
2026-06-18	96.6000	96.6000	96.6000	96.6000	+9.773%	1	69	+2.381%
2026-06-15	88.1000	88.1000	88.0000	88.0000	+1.746%	2	69	+12.386%
2026-05-29	86.4900	86.4900	86.4900	86.4900	+0.922%	2	69	+14.348%
2026-05-28	86.0000	86.0000	85.7000	85.7000	-4.459%	4	67	+15.403%
2026-05-27	89.7000	89.7000	89.7000	89.7000	+19.282%	1	65	+10.256%
2026-05-18	75.2000	75.2000	75.2000	75.2000	-6.700%	1	65	+31.516%
2026-05-15	80.6000	80.6000	80.6000	80.6000	+54.111%	2	65	+22.705%
2026-04-27	52.3000	52.3000	52.3000	52.3000	-19.165%	1	66	+89.101%
2026-04-21	64.7000	64.7000	64.7000	64.7000	-3.720%	2	66	+52.859%
2026-04-13	65.1900	67.2000	65.1900	67.2000	+15.068%	11	67	+47.173%
2026-04-08	59.8000	59.8000	58.4000	58.4000	-4.074%	5	69	+69.349%
2026-03-26	60.8800	60.8800	60.8800	60.8800	+2.838%	1	70	+62.451%
2026-03-18	59.2000	59.2000	59.2000	59.2000	+1.648%	1	70	+67.061%
2026-03-16	58.2400	58.2400	58.2400	58.2400	+22.353%	1	69	+69.815%
2026-03-04	47.6000	47.6000	47.6000	47.6000	-3.448%	1	68	+107.773%
2026-02-19	48.4000	49.3000	48.4000	49.3000	+4.228%	62	68	+100.609%
2026-02-18	47.3000	47.3000	47.3000	47.3000	-11.257%	2	36	+109.091%
2026-02-13	53.3000	53.3000	53.3000	53.3000	+7.050%	7	41	+85.553%
2026-02-10	49.7900	49.7900	49.7900	49.7900	-6.251%	1	41	+98.634%
2026-02-06	53.2100	53.2100	53.1100	53.1100	-6.332%	5	40	+86.217%
2026-02-05	56.9000	57.6000	56.7000	56.7000	-0.351%	13	35	+74.427%
2026-02-03	56.9000	56.9000	56.9000	56.9000	+17.223%	2	44	+73.814%
2026-02-02	48.5400	48.5400	48.5400	48.5400	+21.350%	3	44	+103.749%
2026-01-20	40.0000	40.0000	40.0000	40.0000	+6.383%	1	47	+147.250%
2026-01-15	37.6000	37.6000	37.6000	37.6000	-11.529%	1	46	+163.032%
2026-01-14	42.5000	42.5000	42.5000	42.5000	+50.177%	1	45	+132.706%
2026-01-08	28.3000	28.3000	28.3000	28.3000	+2.166%	2	45	+249.470%
2026-01-06	27.7000	27.7000	27.7000	27.7000	-19.477%	2	43	+257.040%
2026-01-02	34.2000	34.4000	34.2000	34.4000	+8.861%	3	46	+187.500%
2025-12-26	31.6000	31.6000	31.6000	31.6000	-14.595%	4	45	+212.975%
2025-12-16	37.0000	37.0000	37.0000	37.0000	+7.872%	7	45	+167.297%
2025-12-09	34.3000	34.3000	34.3000	34.3000	+3.625%	1	45	+188.338%
2025-12-05	33.1000	33.1000	33.1000	33.1000	-4.058%	1	45	+198.792%
2025-12-04	34.5000	34.5000	34.5000	34.5000	-4.959%	1	44	+186.667%
2025-12-03	36.4000	36.4000	36.3000	36.3000	+1.397%	2	44	+172.452%
2025-12-02	35.8000	35.8000	35.8000	35.8000	-0.556%	1	43	+176.257%
2025-11-25	36.0000	36.0000	36.0000	36.0000	+1.983%	1	43	+174.722%
2025-11-20	35.3000	35.3000	35.3000	35.3000	-4.852%	1	43	+180.170%
2025-11-19	37.1000	37.1000	37.1000	37.1000	-5.357%	1	43	+166.577%
2025-11-17	39.2000	39.2000	39.2000	39.2000	+2.618%	1	44	+152.296%
2025-11-14	38.2000	38.2000	38.2000	38.2000	-0.261%	1	43	+158.901%
2025-11-07	38.3000	38.3000	38.3000	38.3000	-10.304%	1	43	+158.225%
2025-10-30	42.9000	42.9000	42.7000	42.7000	+5.069%	24	42	+131.616%
2025-10-23	44.6500	44.6500	40.3600	40.6400	-1.431%	17	29	+143.356%
2025-10-22	41.2300	41.2300	41.2300	41.2300	-52.880%	3	32	+139.874%
2025-10-13	87.5000	87.5000	87.5000	87.5000	+2.941%	1	32	+13.029%
2025-10-10	85.1000	85.1000	85.0000	85.0000	+8.280%	2	32	+16.353%
2025-10-09	78.5000	78.5000	78.5000	78.5000	-4.964%	1	32	+25.987%
2025-10-07	82.6000	82.6000	82.6000	82.6000	+2.443%	1	32	+19.734%
2025-09-30	80.6300	80.6300	80.6300	80.6300	-1.249%	3	32	+22.659%
2025-09-29	81.6500	81.6500	81.6500	81.6500	+5.219%	3	32	+21.127%
2025-09-23	77.6000	77.6000	77.6000	77.6000	+22.340%	1	32	+27.448%
2025-08-12	63.4300	63.4300	63.4300	63.4300	+2.306%	15	31	+55.920%
2025-08-06	62.0000	62.0000	62.0000	62.0000	+13.741%	2	38	+59.516%
2025-06-16	54.5100	54.5100	54.5100	54.5100	-6.501%	1	36	+81.435%
2025-06-13	60.5100	60.9900	56.1800	58.3000	-6.225%	42	37	+69.640%
2025-04-30	61.7800	62.1700	61.7800	62.1700	+0.436%	13	19	+59.080%
2025-04-25	61.8000	61.9000	61.6000	61.9000	-26.045%	34	32	+59.774%
2025-04-07	83.7000	83.7000	83.7000	83.7000	+20.414%	1	45	+18.160%
2025-03-21	69.5100	69.5100	69.5100	69.5100	-2.647%	14	46	+42.282%
2025-03-18	70.9000	71.4000	70.9000	71.4000	+100.562%	2	39	+38.515%
2025-01-23	36.5000	36.5000	35.6000	35.6000	+2.890%	3	38	+177.809%
2025-01-22	35.1000	35.1000	34.6000	34.6000	-37.455%	6	41	+185.838%
2024-11-06	55.3200	55.3200	55.3200	55.3200	-3.168%	1	47	+78.778%
2024-11-01	57.1300	57.1300	57.1300	57.1300	-21.836%	2	47	+73.114%
2024-09-05	73.6700	73.6700	73.0900	73.0900	+9.090%	11	47	+35.313%
2024-08-30	67.0000	67.0000	67.0000	67.0000	-2.517%	14	29	+47.612%
2024-08-19	67.9500	68.7300	67.9500	68.7300	-2.455%	3	29	+43.896%
2024-08-15	72.5400	72.5400	70.4600	70.4600	-24.318%	16	26	+40.363%
2024-08-05	94.9000	94.9000	92.7000	93.1000	+19.023%	16	11	+6.230%
2024-07-24	78.2200	78.2200	78.2200	78.2200	0.000%	2	2	+26.438%