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ISRG20261218P540
ISRG Dec 18 2026 540.00 Put (ISRG261218P00540000)
option OPRA

EOD

Jul 30, 2026

192.50-5.452%(-11.10)40

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-30	192.5000	192.5000	192.5000	192.5000	-5.452%	40	36	0.000%
2026-07-24	203.6000	203.6000	203.6000	203.6000	-4.143%	54	36	-5.452%
2026-07-23	208.9000	212.4000	208.9000	212.4000	+11.737%	154	36	-9.369%
2026-07-17	190.0900	190.0900	190.0900	190.0900	+22.127%	5	36	+1.268%
2026-07-14	155.6500	155.6500	155.6500	155.6500	+13.779%	30	156	+23.675%
2026-06-18	135.7000	139.2000	135.7000	136.8000	-1.738%	8	185	+40.716%
2026-06-17	139.2200	139.2200	139.2200	139.2200	+6.788%	1	185	+38.270%
2026-06-11	130.3700	130.3700	130.3700	130.3700	+4.296%	5	185	+47.657%
2026-05-28	125.0000	125.0000	125.0000	125.0000	+10.717%	1	180	+54.000%
2026-05-21	111.8500	112.9000	111.8500	112.9000	+7.524%	3	181	+70.505%
2026-05-20	105.0000	105.0000	105.0000	105.0000	-4.934%	3	181	+83.333%
2026-05-18	110.4500	110.4500	110.4500	110.4500	-9.095%	1	186	+74.287%
2026-05-11	121.5000	121.5000	121.5000	121.5000	+23.288%	1	186	+58.436%
2026-05-04	98.5500	98.5500	98.5500	98.5500	+6.771%	1	185	+95.332%
2026-05-01	92.3000	92.3000	92.3000	92.3000	-8.241%	1	185	+108.559%
2026-04-09	100.6100	101.0600	100.5900	100.5900	+7.353%	6	182	+91.371%
2026-04-08	91.1000	93.7000	91.1000	93.7000	-8.728%	2	182	+105.443%
2026-04-07	102.9800	103.0100	100.5500	102.6600	+6.715%	62	184	+87.512%
2026-04-02	101.3000	101.3000	96.2000	96.2000	-6.329%	2	195	+100.104%
2026-03-27	102.7000	102.7000	102.7000	102.7000	+19.419%	2	195	+87.439%
2026-03-23	84.0000	86.4000	84.0000	86.0000	-0.693%	7	193	+123.837%
2026-03-18	86.6000	86.6000	86.6000	86.6000	+8.657%	11	191	+122.286%
2026-02-17	79.4000	79.7000	79.3000	79.7000	+0.759%	25	191	+141.531%
2026-02-09	79.1000	79.1000	79.1000	79.1000	-6.391%	12	186	+143.363%
2026-02-05	85.0000	85.0000	84.5000	84.5000	-5.003%	16	188	+127.811%
2026-02-04	89.2700	91.5500	88.9500	88.9500	+38.551%	20	200	+116.414%
2026-01-28	64.2000	64.3000	64.2000	64.2000	-1.231%	10	200	+199.844%
2026-01-20	65.0000	65.0000	65.0000	65.0000	+7.616%	7	210	+196.154%
2026-01-16	60.4000	60.4000	60.4000	60.4000	+3.959%	1	202	+218.709%
2026-01-15	56.7000	58.1000	56.7000	58.1000	-3.167%	19	202	+231.325%
2026-01-14	60.4000	62.0000	60.0000	60.0000	+25.000%	11	219	+220.833%
2026-01-12	49.0000	49.1100	48.0000	48.0000	+8.181%	9	215	+301.042%
2026-01-09	45.2100	45.2100	44.3700	44.3700	-0.738%	10	206	+333.852%
2026-01-08	44.3000	45.0000	44.3000	44.7000	+11.750%	26	201	+330.649%
2026-01-07	40.0000	40.0000	40.0000	40.0000	-8.257%	10	187	+381.250%
2026-01-06	45.2200	45.2200	43.6000	43.6000	-10.214%	22	177	+341.514%
2025-12-23	48.6400	48.6400	48.5600	48.5600	-10.074%	5	176	+296.417%
2025-12-02	54.0000	54.0000	54.0000	54.0000	-0.552%	1	181	+256.481%
2025-11-25	54.3000	54.3000	54.3000	54.3000	-11.564%	1	180	+254.512%
2025-11-21	61.4000	61.4000	61.4000	61.4000	+3.576%	10	179	+213.518%
2025-11-20	52.9700	59.4000	52.9700	59.2800	-4.695%	61	189	+224.730%
2025-11-18	62.8000	64.1100	62.2000	62.2000	+1.568%	103	150	+209.486%
2025-11-17	59.2000	61.2400	59.2000	61.2400	+11.569%	15	146	+214.337%
2025-11-13	54.3500	54.8900	54.3500	54.8900	+5.904%	12	134	+250.701%
2025-11-12	51.1600	51.8300	51.1600	51.8300	-1.464%	30	124	+271.407%
2025-11-11	50.7000	52.7000	50.6000	52.6000	-2.212%	22	135	+265.970%
2025-11-10	52.7000	53.7900	52.7000	53.7900	-6.809%	36	138	+257.873%
2025-11-07	57.9500	57.9500	57.7200	57.7200	-7.158%	18	86	+233.507%
2025-11-05	63.2100	63.2100	62.1700	62.1700	-3.612%	40	104	+209.635%
2025-11-04	63.9000	64.6000	63.9000	64.5000	+1.256%	5	84	+198.450%
2025-10-31	64.3000	64.7000	63.6100	63.7000	+0.299%	30	80	+202.198%
2025-10-29	62.3000	63.5100	62.2000	63.5100	+2.967%	9	68	+203.102%
2025-10-27	60.6000	61.6800	60.6000	61.6800	+5.256%	2	70	+212.095%
2025-10-24	59.5000	59.5100	58.6000	58.6000	-0.543%	5	70	+228.498%
2025-10-23	61.8900	61.8900	58.9200	58.9200	-12.060%	4	72	+226.714%
2025-10-22	67.0000	67.0000	67.0000	67.0000	-45.244%	1	72	+187.313%
2025-10-10	122.3600	122.3600	122.3600	122.3600	+3.397%	1	72	+57.323%
2025-09-15	118.3400	118.3400	118.3400	118.3400	+15.906%	3	72	+62.667%
2025-09-10	99.9000	102.9000	99.9000	102.1000	-9.806%	17	75	+88.541%
2025-09-03	113.2000	113.2000	113.2000	113.2000	+71.515%	1	89	+70.053%
2025-07-07	66.0000	66.0000	66.0000	66.0000	-11.171%	1	90	+191.667%
2025-06-25	74.0000	74.5000	73.9000	74.3000	+16.094%	22	90	+159.085%
2025-06-04	64.0000	64.0000	64.0000	64.0000	-1.280%	1	69	+200.781%
2025-05-28	64.8300	64.8300	64.8300	64.8300	-0.567%	1	69	+196.930%
2025-05-27	65.2000	65.2000	65.2000	65.2000	-11.038%	1	70	+195.245%
2025-05-23	73.2900	73.2900	73.2900	73.2900	+8.755%	2	68	+162.655%
2025-05-21	64.5300	67.3900	64.5300	67.3900	+6.093%	4	68	+185.651%
2025-05-20	63.5200	63.5200	63.5200	63.5200	+0.047%	1	64	+203.054%
2025-05-19	63.4900	63.4900	63.4900	63.4900	-25.916%	2	64	+203.197%
2025-04-30	85.9000	85.9000	85.2600	85.7000	-3.240%	19	62	+124.621%
2025-04-25	89.2000	89.2000	88.5700	88.5700	-9.438%	4	65	+117.342%
2025-04-23	95.0000	97.8000	94.0000	97.8000	-8.939%	7	66	+96.830%
2025-04-22	107.5000	107.5000	107.4000	107.4000	-5.399%	3	64	+79.236%
2025-04-07	113.5300	113.5300	113.5300	113.5300	+23.806%	9	61	+69.559%
2025-03-31	91.7000	91.7000	91.7000	91.7000	-2.030%	41	70	+109.924%
2025-03-28	93.6000	93.6000	93.6000	93.6000	+12.771%	6	30	+105.662%
2025-03-26	83.0000	83.0000	83.0000	83.0000	-10.560%	9	27	+131.928%
2025-03-20	92.8000	92.8000	92.8000	92.8000	-1.591%	5	18	+107.435%
2025-03-19	94.3000	94.3000	94.3000	94.3000	-4.747%	2	13	+104.136%
2025-03-10	99.2000	99.2000	98.8000	99.0000	+66.639%	12	12	+94.444%
2025-01-27	59.5000	59.9600	59.4100	59.4100	+20.998%	6	6	+224.020%
2025-01-22	49.6000	49.6000	49.1000	49.1000	-26.287%	3	8	+292.057%
2024-11-22	66.6100	66.6100	66.6100	66.6100	-31.145%	6	10	+188.996%
2024-09-26	96.7400	96.7400	96.7400	96.7400	+1.810%	1	7	+98.987%
2024-09-16	95.7700	95.7700	94.4000	95.0200	+0.338%	6	6	+102.589%
2024-08-21	94.8000	94.8000	94.7000	94.7000	0.000%	2	2	+103.273%