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ISRG20261218P300
ISRG Dec 18 2026 300.00 Put (ISRG261218P00300000)
option OPRA

EOD

Sep 28, 2026

1.50-25.000%(-0.50)6

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-28	2.0800	2.0800	1.5000	1.5000	-25.000%	6	338	0.000%
2026-09-25	2.2600	2.2600	2.0000	2.0000	-15.612%	2	338	-25.000%
2026-09-24	2.3700	2.3700	2.3700	2.3700	-1.250%	34	339	-36.709%
2026-09-23	2.3000	2.4000	2.3000	2.4000	+23.077%	2	373	-37.500%
2026-09-22	2.2500	2.2500	1.9500	1.9500	-20.408%	72	372	-23.077%
2026-09-21	3.1000	3.1000	2.4500	2.4500	-20.968%	20	373	-38.776%
2026-09-18	3.9500	3.9500	3.1000	3.1000	-22.500%	3	387	-51.613%
2026-09-16	4.3000	4.3000	4.0000	4.0000	-14.163%	4	389	-62.500%
2026-09-15	4.6600	4.6600	4.6600	4.6600	-5.092%	1	393	-67.811%
2026-09-14	4.9100	4.9100	4.9100	4.9100	-16.212%	1	393	-69.450%
2026-09-11	5.8600	5.8600	5.8600	5.8600	-16.286%	2	393	-74.403%
2026-09-10	8.7000	8.7000	6.8000	7.0000	-12.171%	4	394	-78.571%
2026-09-09	7.0000	8.0400	7.0000	7.9700	-0.375%	36	393	-81.179%
2026-09-08	6.7000	8.6100	6.5000	8.0000	+48.148%	11	363	-81.250%
2026-09-03	5.5000	5.5000	5.4000	5.4000	+1.887%	2	363	-72.222%
2026-09-01	5.0000	5.3000	4.9500	5.3000	-3.636%	13	362	-71.698%
2026-08-28	5.5000	5.7000	5.5000	5.5000	-8.486%	4	368	-72.727%
2026-08-27	5.7800	6.0100	5.7800	6.0100	+7.321%	4	370	-75.042%
2026-08-26	5.6000	5.6000	5.6000	5.6000	-1.754%	1	369	-73.214%
2026-08-25	6.0000	6.0000	5.6000	5.7000	+12.426%	15	368	-73.684%
2026-08-24	5.0700	5.0700	5.0700	5.0700	+3.469%	1	374	-70.414%
2026-08-21	4.9000	4.9000	4.9000	4.9000	-12.500%	2	373	-69.388%
2026-08-20	5.8000	5.8000	5.6000	5.6000	+69.697%	2	375	-73.214%
2026-08-19	3.3000	3.3000	3.3000	3.3000	+1.538%	5	375	-54.545%
2026-08-18	3.6000	3.6000	3.2500	3.2500	-16.237%	5	380	-53.846%
2026-08-17	5.2000	5.2000	3.7000	3.8800	+7.778%	92	381	-61.340%
2026-08-14	3.6000	3.6000	3.6000	3.6000	-3.743%	1	438	-58.333%
2026-08-12	3.8500	3.8500	3.7400	3.7400	-9.880%	2	438	-59.893%
2026-08-11	4.4000	4.4000	4.1500	4.1500	-20.192%	5	438	-63.855%
2026-08-10	5.6000	5.6000	5.2000	5.2000	-26.761%	13	443	-71.154%
2026-08-07	7.0000	7.1000	7.0000	7.1000	-10.127%	5	447	-78.873%
2026-08-06	7.8000	7.9000	7.3700	7.9000	-1.250%	11	446	-81.013%
2026-08-05	8.0000	8.0000	8.0000	8.0000	-18.284%	1	447	-81.250%
2026-08-04	9.7900	9.7900	9.7900	9.7900	-15.603%	1	448	-84.678%
2026-07-31	12.1000	12.1000	11.6000	11.6000	-0.855%	10	448	-87.069%
2026-07-29	12.0000	12.0000	11.6000	11.7000	+11.429%	8	446	-87.179%
2026-07-28	9.9000	10.5000	9.6000	10.5000	-8.696%	20	447	-85.714%
2026-07-27	13.5000	13.5000	11.5000	11.5000	-26.282%	13	441	-86.957%
2026-07-24	16.7000	17.4000	15.0000	15.6000	-11.364%	309	441	-90.385%
2026-07-23	16.0000	18.7000	16.0000	17.6000	+21.379%	21	198	-91.477%
2026-07-22	13.2000	14.5000	13.2000	14.5000	+18.852%	41	187	-89.655%
2026-07-21	13.4000	13.4000	11.2900	12.2000	-4.762%	27	183	-87.705%
2026-07-20	12.9500	12.9500	12.7500	12.8100	-8.500%	10	170	-88.290%
2026-07-17	10.1000	14.0000	10.1000	14.0000	+64.706%	70	160	-89.286%
2026-07-15	8.8500	9.3000	8.0000	8.5000	-13.265%	8	97	-82.353%
2026-07-14	9.0000	9.8100	9.0000	9.8000	+50.769%	27	101	-84.694%
2026-07-09	6.5000	6.5000	6.5000	6.5000	-4.412%	1	82	-76.923%
2026-07-08	5.9000	6.8000	5.9000	6.8000	+29.771%	16	81	-77.941%
2026-07-07	5.7200	5.7200	5.2400	5.2400	-24.058%	2	79	-71.374%
2026-06-29	6.9000	6.9000	6.9000	6.9000	-4.167%	1	78	-78.261%
2026-06-26	7.2000	7.2000	7.2000	7.2000	-4.128%	2	78	-79.167%
2026-06-24	7.5100	7.5100	7.5100	7.5100	+3.444%	1	78	-80.027%
2026-06-23	7.2600	7.2600	7.2600	7.2600	-3.200%	1	78	-79.339%
2026-06-22	7.3500	7.5000	7.3500	7.5000	0.000%	8	78	-80.000%
2026-06-18	7.5000	7.5000	7.5000	7.5000	+15.385%	1	69	-80.000%
2026-06-17	6.5000	6.5000	6.5000	6.5000	-5.797%	1	69	-76.923%
2026-06-16	7.0000	7.0000	6.9000	6.9000	-12.658%	3	69	-78.261%
2026-06-12	7.9000	7.9000	7.9000	7.9000	-4.819%	3	69	-81.013%
2026-06-11	8.3000	8.3000	8.3000	8.3000	+7.792%	3	69	-81.928%
2026-06-10	7.7000	7.7000	7.7000	7.7000	+8.451%	2	66	-80.519%
2026-06-08	7.1000	7.1000	7.1000	7.1000	0.000%	2	66	-78.873%
2026-06-05	7.6000	7.6000	6.9100	7.1000	-22.064%	4	66	-78.873%
2026-06-03	9.1100	9.1100	9.1100	9.1100	+1.222%	2	70	-83.535%
2026-06-02	7.8000	9.0000	7.8000	9.0000	+20.000%	3	68	-83.333%
2026-05-29	6.7000	7.5000	6.4500	7.5000	+34.892%	5	66	-80.000%
2026-05-19	5.5600	5.5600	5.5600	5.5600	-13.932%	1	66	-73.022%
2026-05-13	6.4600	6.4600	6.4600	6.4600	-5.968%	2	67	-76.780%
2026-05-11	6.5000	6.8700	6.5000	6.8700	+93.521%	4	69	-78.166%
2026-04-24	3.5500	3.5500	3.5500	3.5500	-36.607%	1	67	-57.746%
2026-04-21	5.6000	5.6000	5.6000	5.6000	+12.000%	1	66	-73.214%
2026-04-17	5.0000	5.0000	5.0000	5.0000	-38.272%	1	66	-70.000%
2026-04-07	7.9000	8.2000	7.9000	8.1000	+66.667%	4	65	-81.481%
2026-02-27	4.9000	4.9600	4.5800	4.8600	+4.516%	138	62	-69.136%
2026-02-26	4.5500	4.7000	4.4500	4.6500	-4.321%	12	11	-67.742%
2026-02-17	4.8600	4.8600	4.8600	4.8600	+6.346%	1	10	-69.136%
2026-01-20	3.9100	4.5700	3.9100	4.5700	-61.885%	3	10	-67.177%
2025-10-13	11.9900	11.9900	11.9900	11.9900	+53.718%	2	9	-87.490%
2025-02-21	7.8000	7.8000	7.8000	7.8000	-17.808%	2	7	-80.769%
2025-01-06	7.3000	9.4900	7.3000	9.4900	-6.040%	4	8	-84.194%
2024-10-18	11.5000	11.5000	10.1000	10.1000	-21.705%	4	6	-85.149%
2024-08-22	12.9000	12.9000	12.9000	12.9000	-17.834%	1	6	-88.372%
2024-07-25	15.7000	15.7000	15.7000	15.7000	+4.667%	1	5	-90.446%
2024-07-23	14.5000	15.0000	14.5000	15.0000	+6.383%	2	5	-90.000%
2024-07-22	14.1000	14.1000	14.1000	14.1000	-26.715%	1	5	-89.362%
2024-07-18	19.2400	19.2400	19.2400	19.2400	+14.866%	1	4	-92.204%
2024-06-25	16.7500	16.7500	16.7500	16.7500	-1.471%	1	3	-91.045%
2024-06-24	17.0000	17.0000	17.0000	17.0000	-3.409%	1	2	-91.176%
2024-06-20	17.6000	17.6000	17.6000	17.6000	-12.000%	1	3	-91.477%
2024-06-10	20.0100	20.0100	20.0000	20.0000	0.000%	2	2	-92.500%