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ISRG20261218P430
ISRG Dec 18 2026 430.00 Put (ISRG261218P00430000)
option OPRA

EOD

Sep 28, 2026

35.70-19.955%(-8.90)15

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-28	36.3200	36.3200	35.7000	35.7000	-19.955%	15	169	0.000%
2026-09-24	46.5000	46.5000	44.1000	44.6000	+2.130%	73	170	-19.955%
2026-09-21	48.3400	48.4700	43.6700	43.6700	-32.556%	16	189	-18.251%
2026-09-15	64.7500	64.7500	64.7500	64.7500	-20.062%	10	180	-44.865%
2026-09-09	81.0000	81.0000	81.0000	81.0000	+68.399%	7	180	-55.926%
2026-08-13	48.1000	48.1000	48.1000	48.1000	-38.373%	1	181	-25.780%
2026-07-28	78.0500	78.0500	78.0500	78.0500	-24.223%	2	182	-54.260%
2026-07-23	102.2800	103.0000	102.2800	103.0000	+19.977%	11	184	-65.340%
2026-07-17	81.6200	85.8500	79.4500	85.8500	+27.185%	4	175	-58.416%
2026-07-15	67.5000	67.5000	67.5000	67.5000	+1.199%	7	173	-47.111%
2026-07-14	67.2000	67.2000	66.5000	66.7000	+60.337%	17	171	-46.477%
2026-07-07	39.4500	41.6000	39.4500	41.6000	+5.316%	11	176	-14.183%
2026-07-06	41.0000	41.0000	39.5000	39.5000	-12.417%	2	167	-9.620%
2026-07-02	45.1000	45.1000	45.1000	45.1000	-17.701%	1	166	-20.843%
2026-07-01	54.8000	54.8000	54.8000	54.8000	-2.248%	1	166	-34.854%
2026-06-25	56.0600	56.0600	56.0600	56.0600	+1.927%	1	166	-36.318%
2026-06-22	55.0900	55.0900	55.0000	55.0000	-1.786%	3	167	-35.091%
2026-06-17	56.0000	56.0000	56.0000	56.0000	+18.544%	6	166	-36.250%
2026-06-16	47.2400	47.2400	47.2400	47.2400	-0.715%	1	166	-24.428%
2026-06-08	47.5800	47.5800	47.5800	47.5800	-19.356%	1	166	-24.968%
2026-06-02	57.8000	59.5900	57.8000	59.0000	+16.509%	3	165	-39.492%
2026-05-27	50.6400	50.6400	50.6400	50.6400	+30.515%	1	165	-29.502%
2026-05-21	41.0000	41.0000	38.3000	38.8000	+3.771%	15	165	-7.990%
2026-05-20	37.3000	37.4000	37.3000	37.3900	-6.055%	5	165	-4.520%
2026-05-18	39.8000	39.8000	39.8000	39.8000	-11.927%	1	151	-10.302%
2026-05-15	45.1900	45.1900	45.1900	45.1900	+4.124%	10	151	-21.000%
2026-05-14	43.4000	43.4000	43.4000	43.4000	+4.452%	1	151	-17.742%
2026-05-13	41.5500	41.5500	41.5500	41.5500	-4.042%	1	149	-14.079%
2026-05-11	35.8000	43.3000	35.8000	43.3000	+30.030%	7	149	-17.552%
2026-05-08	33.3000	33.3000	33.3000	33.3000	+3.738%	2	144	+7.207%
2026-05-07	30.3000	32.1000	30.3000	32.1000	-0.311%	3	144	+11.215%
2026-05-05	32.2000	32.2000	32.2000	32.2000	+19.259%	1	143	+10.870%
2026-04-27	27.0000	27.0000	27.0000	27.0000	+3.766%	2	143	+32.222%
2026-04-24	26.0200	26.0200	26.0200	26.0200	+0.077%	1	141	+37.202%
2026-04-22	25.0000	26.0000	25.0000	26.0000	-29.730%	5	141	+37.308%
2026-04-21	32.5000	37.0000	32.5000	37.0000	-1.857%	3	135	-3.514%
2026-04-10	37.7000	37.8000	37.7000	37.7000	+22.962%	19	135	-5.305%
2026-04-08	30.6600	30.6600	30.6600	30.6600	-18.824%	3	125	+16.438%
2026-03-31	37.7700	37.7700	37.7700	37.7700	+10.762%	1	128	-5.481%
2026-03-26	34.1000	34.1000	34.1000	34.1000	-0.872%	2	127	+4.692%
2026-03-25	34.6000	34.6000	34.4000	34.4000	+17.607%	2	127	+3.779%
2026-03-03	29.2500	29.2500	29.2500	29.2500	+8.736%	3	128	+22.051%
2026-02-18	26.9000	26.9000	26.9000	26.9000	-5.944%	1	131	+32.714%
2026-02-17	28.6000	28.6000	28.6000	28.6000	+3.249%	1	131	+24.825%
2026-02-13	27.5000	27.7000	27.5000	27.7000	+2.974%	3	129	+28.881%
2026-02-11	26.7500	27.3000	26.7500	26.9000	+1.128%	3	129	+32.714%
2026-02-10	26.9000	26.9000	26.6000	26.6000	-5.338%	2	128	+34.211%
2026-02-09	28.0000	28.1000	28.0000	28.1000	-11.635%	2	126	+27.046%
2026-02-03	31.8000	31.8000	31.8000	31.8000	+51.429%	1	127	+12.264%
2026-01-23	21.0000	21.0000	21.0000	21.0000	-4.545%	2	126	+70.000%
2026-01-22	22.0000	22.0000	22.0000	22.0000	-6.383%	1	124	+62.273%
2026-01-20	23.5000	23.5000	23.5000	23.5000	+15.083%	20	124	+51.915%
2026-01-16	20.4200	20.4200	20.4200	20.4200	+7.079%	1	103	+74.829%
2026-01-15	19.8200	20.0000	19.0700	19.0700	-13.318%	9	103	+87.205%
2026-01-14	18.7800	22.0000	18.7800	22.0000	+22.222%	2	97	+62.273%
2026-01-13	16.1000	18.0000	16.1000	18.0000	+7.527%	4	97	+98.333%
2025-12-31	16.7400	16.7400	16.7400	16.7400	-4.343%	2	96	+113.262%
2025-12-23	17.5000	17.5000	17.5000	17.5000	-16.268%	1	96	+104.000%
2025-12-16	20.3000	20.9000	20.3000	20.9000	+3.465%	8	101	+70.813%
2025-12-15	20.2000	20.2000	20.1000	20.2000	+7.619%	9	101	+76.733%
2025-12-02	18.7700	18.7700	18.7700	18.7700	-13.502%	3	104	+90.197%
2025-11-14	21.7000	21.7000	21.7000	21.7000	+12.435%	1	104	+64.516%
2025-11-13	19.1400	19.3000	19.1400	19.3000	-8.095%	2	104	+84.974%
2025-11-10	21.0000	21.0000	21.0000	21.0000	-13.758%	1	104	+70.000%
2025-11-07	24.3500	24.3500	24.3500	24.3500	+0.165%	80	105	+46.612%
2025-11-03	24.3100	24.3100	24.3100	24.3100	+7.093%	1	25	+46.853%
2025-10-27	22.7000	22.7000	22.7000	22.7000	+1.339%	1	25	+57.269%
2025-10-23	22.4000	22.4000	22.4000	22.4000	-57.656%	1	25	+59.375%
2025-10-17	52.8000	52.9000	52.8000	52.9000	+8.624%	10	25	-32.514%
2025-10-08	48.7000	48.7000	48.7000	48.7000	+4.283%	1	25	-26.694%
2025-10-03	46.3500	46.7000	46.3500	46.7000	-11.048%	5	24	-23.555%
2025-09-25	52.0000	52.5000	52.0000	52.5000	+4.686%	2	24	-32.000%
2025-09-22	50.1500	50.1500	50.1500	50.1500	-2.527%	1	22	-28.814%
2025-09-19	51.0000	51.4500	51.0000	51.4500	-2.925%	3	21	-30.612%
2025-09-17	53.0000	53.0000	53.0000	53.0000	+45.805%	1	21	-32.642%
2025-06-09	36.3500	36.3500	36.3500	36.3500	+27.098%	1	20	-1.788%
2025-05-29	28.6000	28.6000	28.6000	28.6000	+1.060%	1	20	+24.825%
2025-05-28	28.3000	28.3000	28.3000	28.3000	-32.297%	1	21	+26.148%
2025-04-24	41.8000	41.8000	41.8000	41.8000	+80.328%	3	22	-14.593%
2025-02-06	23.1800	23.1800	23.1800	23.1800	+1.801%	2	20	+54.012%
2025-01-21	22.7700	22.7700	22.7700	22.7700	-20.385%	1	21	+56.785%
2024-12-06	28.5000	28.6000	28.5000	28.6000	+0.351%	40	21	+24.825%
2024-12-05	28.5000	28.5000	28.5000	28.5000	-9.120%	20	22	+25.263%
2024-11-08	31.3600	31.3600	31.3600	31.3600	-17.474%	4	2	+13.839%
2024-11-05	38.0000	38.0000	38.0000	38.0000	+8.262%	6	6	-6.053%
2024-10-29	35.1000	35.1000	35.1000	35.1000	0.000%	6	6	+1.709%