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ISRG20261218P400
ISRG Dec 18 2026 400.00 Put (ISRG261218P00400000)
option OPRA

EOD

Jul 28, 2026

54.87-21.726%(-15.23)5

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-28	53.4000	54.8700	53.4000	54.8700	-21.726%	5	300	0.000%
2026-07-24	70.1000	70.1000	70.1000	70.1000	+2.336%	1	296	-21.726%
2026-07-22	67.2700	68.5000	67.2700	68.5000	+16.102%	2	295	-19.898%
2026-07-21	57.3000	59.0000	57.3000	59.0000	-5.297%	12	294	-7.000%
2026-07-20	66.4500	66.4500	61.5000	62.3000	+2.467%	12	294	-11.926%
2026-07-17	53.5000	62.1000	53.5000	60.8000	+51.621%	10	301	-9.753%
2026-07-16	40.0000	40.1000	40.0000	40.1000	-7.561%	2	301	+36.833%
2026-07-15	43.9500	44.0000	43.3800	43.3800	-9.813%	6	301	+26.487%
2026-07-14	48.0000	48.1000	48.0000	48.1000	+36.803%	2	300	+14.075%
2026-07-13	35.1600	35.1600	35.1600	35.1600	-6.240%	110	301	+56.058%
2026-07-10	37.0000	37.5000	37.0000	37.5000	+33.452%	6	241	+46.320%
2026-07-07	25.8600	28.1000	25.8600	28.1000	+4.074%	2	242	+95.267%
2026-07-06	27.0000	27.0000	27.0000	27.0000	-29.319%	1	243	+103.222%
2026-07-01	37.9500	38.4000	37.9500	38.2000	+2.523%	8	244	+43.639%
2026-06-24	36.9500	37.2600	36.9500	37.2600	-2.461%	3	242	+47.262%
2026-06-22	38.2000	38.2000	38.2000	38.2000	+1.812%	1	241	+43.639%
2026-06-18	37.5200	37.5200	37.5200	37.5200	+12.335%	1	240	+46.242%
2026-06-17	33.4000	33.4000	33.4000	33.4000	-10.957%	1	240	+64.281%
2026-06-12	37.4800	37.5100	37.4800	37.5100	+5.573%	6	240	+46.281%
2026-06-10	35.0600	35.5300	35.0600	35.5300	+12.829%	3	237	+54.433%
2026-06-05	32.7000	32.7000	31.4900	31.4900	-12.162%	2	238	+74.246%
2026-06-04	35.8500	35.8500	35.8500	35.8500	-13.196%	4	240	+53.054%
2026-06-03	41.9000	41.9000	41.3000	41.3000	-2.133%	6	244	+32.857%
2026-06-02	41.0500	42.3000	40.6900	42.2000	+23.032%	9	240	+30.024%
2026-06-01	34.3100	34.3100	34.3000	34.3000	+3.344%	3	237	+59.971%
2026-05-29	33.1900	33.1900	33.1900	33.1900	-0.925%	1	236	+65.321%
2026-05-28	34.0600	34.0600	33.5000	33.5000	-6.425%	3	235	+63.791%
2026-05-27	30.0000	35.8000	30.0000	35.8000	+35.606%	163	235	+53.268%
2026-05-21	27.5000	27.7000	26.0500	26.4000	+2.326%	17	150	+107.841%
2026-05-20	25.8000	25.8000	25.8000	25.8000	0.000%	2	150	+112.674%
2026-05-19	25.8000	25.8000	25.8000	25.8000	-15.686%	1	151	+112.674%
2026-05-15	30.5000	31.8100	30.5000	30.6000	+2.000%	5	151	+79.314%
2026-05-12	30.0000	30.0000	30.0000	30.0000	-9.774%	2	148	+82.900%
2026-05-11	26.0000	33.2500	25.4000	33.2500	+46.347%	12	148	+65.023%
2026-05-08	21.9000	22.9000	21.9000	22.7200	+3.273%	5	146	+141.505%
2026-05-06	22.0000	22.0000	22.0000	22.0000	-7.173%	1	144	+149.409%
2026-05-05	22.6000	23.7000	22.6000	23.7000	+7.874%	2	143	+131.519%
2026-05-04	21.9700	21.9700	21.9700	21.9700	-2.356%	1	143	+149.750%
2026-04-29	22.0000	22.9000	22.0000	22.5000	+31.965%	3	142	+143.867%
2026-04-24	17.0500	17.0500	17.0500	17.0500	-4.213%	1	140	+221.818%
2026-04-22	17.0000	17.8000	17.0000	17.8000	-28.514%	2	141	+208.258%
2026-04-21	22.4000	25.0100	22.4000	24.9000	+15.814%	3	141	+120.361%
2026-04-20	21.6000	21.8000	21.4000	21.5000	-9.359%	32	141	+155.209%
2026-04-16	23.7200	23.7200	23.7200	23.7200	+8.957%	1	138	+131.324%
2026-04-14	21.7700	21.7700	21.7700	21.7700	-18.464%	1	138	+152.044%
2026-04-13	26.7000	26.7000	26.7000	26.7000	-0.633%	3	138	+105.506%
2026-04-10	26.4000	26.8700	26.4000	26.8700	+3.745%	8	138	+104.205%
2026-04-09	26.2900	26.2900	25.9000	25.9000	-8.481%	4	138	+111.853%
2026-04-07	28.3000	28.3000	28.3000	28.3000	+1.434%	1	138	+93.887%
2026-04-06	27.9000	27.9000	27.9000	27.9000	+7.020%	1	137	+96.667%
2026-04-02	26.0700	26.0700	26.0700	26.0700	-1.808%	1	136	+110.472%
2026-03-31	27.7700	27.7700	26.5500	26.5500	-8.448%	2	136	+106.667%
2026-03-30	29.0000	29.0000	29.0000	29.0000	+13.281%	1	136	+89.207%
2026-03-26	24.3000	25.6000	24.3000	25.6000	+2.400%	5	136	+114.336%
2026-03-24	25.0000	25.0000	25.0000	25.0000	+15.207%	3	132	+119.480%
2026-03-23	21.9000	21.9000	21.7000	21.7000	-8.051%	5	132	+152.857%
2026-03-20	23.6000	23.6000	23.6000	23.6000	+5.925%	1	127	+132.500%
2026-03-17	22.2800	22.2800	22.2800	22.2800	-21.934%	2	126	+146.275%
2026-03-13	23.4000	28.5400	23.4000	28.5400	+24.087%	7	127	+92.256%
2026-03-12	20.9000	23.9800	20.9000	23.0000	+9.524%	5	121	+138.565%
2026-03-11	21.5000	21.5000	21.0000	21.0000	-7.489%	2	118	+161.286%
2026-03-06	22.0000	22.7000	22.0000	22.7000	+16.113%	7	117	+141.718%
2026-03-04	19.5500	19.5500	19.5500	19.5500	-2.250%	1	110	+180.665%
2026-03-02	20.0000	20.0000	20.0000	20.0000	+7.643%	2	109	+174.350%
2026-02-27	18.5000	18.5800	18.5000	18.5800	+9.811%	2	107	+195.318%
2026-02-26	17.2000	17.7800	16.9200	16.9200	-10.712%	122	107	+224.291%
2026-02-24	18.9500	18.9500	18.9500	18.9500	-9.762%	1	64	+189.551%
2026-02-12	21.0000	21.0000	21.0000	21.0000	-7.080%	1	63	+161.286%
2026-02-05	22.7000	22.7000	22.6000	22.6000	+1.345%	2	62	+142.788%
2026-02-03	22.3000	22.3000	22.3000	22.3000	+23.204%	3	63	+146.054%
2026-02-02	18.1000	18.1000	18.1000	18.1000	+23.129%	1	60	+203.149%
2026-01-27	14.7000	14.7000	14.7000	14.7000	-10.366%	1	59	+273.265%
2026-01-21	16.4000	16.4000	16.4000	16.4000	+25.574%	1	58	+234.573%
2026-01-15	13.0600	13.0600	13.0600	13.0600	+5.323%	1	57	+320.138%
2026-01-13	12.4000	12.4000	12.4000	12.4000	+2.479%	1	57	+342.500%
2026-01-12	12.1000	12.1000	12.1000	12.1000	+14.151%	1	56	+353.471%
2026-01-09	11.0000	11.0000	10.6000	10.6000	-10.169%	17	55	+417.642%
2026-01-06	11.8000	11.8000	11.8000	11.8000	-5.600%	1	45	+365.000%
2025-12-31	12.5000	12.5000	12.5000	12.5000	+5.307%	1	46	+338.960%
2025-12-29	11.8700	11.8700	11.8700	11.8700	-9.112%	4	46	+362.258%
2025-12-19	13.0600	13.0600	13.0600	13.0600	-6.043%	5	46	+320.138%
2025-12-18	13.9000	13.9000	13.9000	13.9000	-3.472%	2	43	+294.748%
2025-12-16	14.4000	14.4000	14.4000	14.4000	-7.455%	5	42	+281.042%
2025-11-19	15.9300	16.0200	15.5600	15.5600	-2.138%	10	45	+252.635%
2025-11-17	15.8000	15.9000	15.8000	15.9000	-2.871%	2	47	+245.094%
2025-10-28	16.3700	16.3700	16.3700	16.3700	-3.365%	1	48	+235.186%
2025-10-22	19.6700	19.6700	16.9400	16.9400	-49.281%	5	49	+223.908%
2025-10-21	33.2000	33.5000	32.9000	33.4000	-17.531%	8	52	+64.281%
2025-10-14	40.5000	40.5000	40.5000	40.5000	-1.651%	1	47	+35.481%
2025-10-10	41.0500	41.1800	41.0500	41.1800	+12.115%	2	47	+33.244%
2025-10-09	36.7300	36.7300	36.7300	36.7300	-5.481%	1	49	+49.387%
2025-10-07	38.0500	38.8600	38.0500	38.8600	+8.852%	5	45	+41.199%
2025-10-03	35.7000	35.7000	35.7000	35.7000	-6.053%	8	45	+53.697%
2025-09-29	38.0000	38.0000	38.0000	38.0000	+0.529%	1	40	+44.395%
2025-09-26	37.8000	37.8000	37.8000	37.8000	-3.077%	1	39	+45.159%
2025-09-25	39.0000	39.0000	39.0000	39.0000	-2.500%	2	38	+40.692%
2025-09-17	40.0000	40.0000	40.0000	40.0000	+2.171%	1	36	+37.175%
2025-09-15	37.5000	39.1500	37.5000	39.1500	+18.385%	12	35	+40.153%
2025-09-11	33.0700	33.0700	33.0700	33.0700	-3.866%	1	35	+65.921%
2025-09-10	34.4000	34.4000	34.4000	34.4000	+9.554%	1	34	+59.506%
2025-09-05	31.4000	31.4000	31.4000	31.4000	-6.269%	3	33	+74.745%
2025-09-04	33.5000	33.5000	33.5000	33.5000	+21.377%	10	31	+63.791%
2025-08-04	27.6000	27.6000	27.6000	27.6000	+26.027%	25	30	+98.804%
2025-06-27	21.9000	21.9000	21.9000	21.9000	-22.806%	1	14	+150.548%
2025-05-07	28.3700	28.4100	28.3700	28.3700	+2.976%	5	14	+93.409%
2025-05-05	27.5500	27.5500	27.5000	27.5500	-24.479%	5	18	+99.165%
2025-04-24	36.4800	36.4800	36.4800	36.4800	+1.333%	4	13	+50.411%
2025-04-23	36.0000	36.0000	36.0000	36.0000	-23.502%	2	9	+52.417%
2025-04-09	47.0600	47.0600	47.0600	47.0600	-6.218%	1	9	+16.596%
2025-04-07	50.1800	50.1800	50.1800	50.1800	+0.561%	1	9	+9.346%
2025-04-04	49.9000	49.9000	49.9000	49.9000	+49.222%	4	9	+9.960%
2025-03-20	33.4400	33.4400	33.4400	33.4400	+78.824%	1	9	+64.085%
2025-02-05	18.7000	18.7000	18.7000	18.7000	+0.054%	1	8	+193.422%
2025-02-04	18.6900	18.6900	18.6900	18.6900	-13.070%	1	9	+193.579%
2025-01-27	21.5000	21.5000	21.5000	21.5000	+13.757%	1	10	+155.209%
2025-01-24	18.9000	18.9000	18.9000	18.9000	+1.613%	2	11	+190.317%
2025-01-21	18.6000	18.6000	18.6000	18.6000	-15.068%	2	11	+195.000%
2025-01-15	21.4100	21.9000	21.4100	21.9000	-23.400%	2	13	+150.548%
2024-10-28	28.5900	28.5900	28.5900	28.5900	-3.737%	2	13	+91.920%
2024-10-23	29.7000	29.7000	29.7000	29.7000	-16.362%	1	11	+84.747%
2024-10-16	35.5100	35.5100	35.5100	35.5100	+0.509%	2	12	+54.520%
2024-10-09	35.3300	35.3300	35.3300	35.3300	-4.255%	1	10	+55.307%
2024-09-17	36.9000	36.9000	36.9000	36.9000	-1.600%	1	9	+48.699%
2024-09-04	37.5000	37.5000	37.5000	37.5000	+5.634%	1	8	+46.320%
2024-09-03	35.5000	35.5000	35.5000	35.5000	+1.429%	3	8	+54.563%
2024-08-21	35.0000	35.0000	35.0000	35.0000	-15.663%	8	8	+56.771%
2024-08-09	41.5000	41.5000	41.5000	41.5000	-1.891%	2	3	+32.217%
2024-06-28	42.3000	42.3000	42.3000	42.3000	+0.714%	2	2	+29.716%
2024-06-27	42.0000	42.0000	42.0000	42.0000	0.000%	1	1	+30.643%