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ISRG20261218P370
ISRG Dec 18 2026 370.00 Put (ISRG261218P00370000)
option OPRA

EOD

Sep 29, 2026

12.10-4.724%(-0.60)24

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-29	11.8700	12.5200	11.8700	12.1000	-4.724%	24	286	0.000%
2026-09-25	12.7000	12.7000	12.7000	12.7000	-17.799%	1	265	-4.724%
2026-09-23	13.9000	15.4500	13.9000	15.4500	+6.773%	10	264	-21.683%
2026-09-21	15.6900	15.6900	14.4700	14.4700	-22.204%	11	267	-16.379%
2026-09-18	19.8000	19.8000	17.5500	18.6000	-19.481%	43	267	-34.946%
2026-09-17	23.0000	23.1000	23.0000	23.1000	-16.906%	2	247	-47.619%
2026-09-15	27.8000	27.8000	27.8000	27.8000	+11.200%	1	245	-56.475%
2026-09-14	25.0000	26.3000	24.9000	25.0000	-6.647%	43	245	-51.600%
2026-09-11	28.0000	29.4000	26.7800	26.7800	-17.346%	38	237	-54.817%
2026-09-10	33.8800	33.8800	32.2900	32.4000	-13.600%	7	250	-62.654%
2026-09-08	31.1000	37.5000	31.1000	37.5000	+28.425%	40	249	-67.733%
2026-09-04	29.5500	29.5500	29.2000	29.2000	+8.148%	2	247	-58.562%
2026-09-03	28.8000	28.8000	27.0000	27.0000	+7.871%	11	247	-55.185%
2026-09-02	25.0300	25.0300	25.0300	25.0300	-7.741%	1	248	-51.658%
2026-09-01	27.1300	27.1300	27.1300	27.1300	+7.701%	1	248	-55.400%
2026-08-31	25.4600	25.4600	25.1900	25.1900	-7.048%	6	248	-51.965%
2026-08-28	27.1000	27.1000	27.1000	27.1000	-6.552%	3	246	-55.351%
2026-08-27	28.0300	29.0000	27.7000	29.0000	+1.754%	3	245	-58.276%
2026-08-26	28.2500	28.5000	28.2500	28.5000	+9.827%	10	244	-57.544%
2026-08-24	25.2200	25.9500	25.2200	25.9500	+7.900%	10	239	-53.372%
2026-08-21	25.8600	25.8600	24.0500	24.0500	-6.055%	2	239	-49.688%
2026-08-20	25.0000	25.6000	25.0000	25.6000	+36.170%	12	240	-52.734%
2026-08-18	18.8000	18.8000	18.8000	18.8000	-7.617%	1	228	-35.638%
2026-08-17	20.3000	20.4000	20.2600	20.3500	-0.245%	5	228	-40.541%
2026-08-11	21.5800	21.5800	20.4000	20.4000	-9.333%	14	227	-40.686%
2026-08-10	25.9000	25.9000	22.4000	22.5000	-21.329%	41	227	-46.222%
2026-08-07	28.4000	28.8000	28.2200	28.6000	-5.921%	11	232	-57.692%
2026-08-06	30.5000	30.5000	30.4000	30.4000	-2.564%	7	229	-60.197%
2026-08-05	31.8000	31.8000	30.9000	31.2000	-9.565%	36	235	-61.218%
2026-08-04	33.5000	34.8000	33.5000	34.5000	+5.731%	19	218	-64.928%
2026-08-03	32.6300	32.6300	32.6300	32.6300	-21.675%	1	219	-62.918%
2026-07-30	41.9000	41.9000	41.6600	41.6600	+5.468%	8	219	-70.955%
2026-07-29	39.5000	39.5000	39.5000	39.5000	+10.028%	1	225	-69.367%
2026-07-28	36.1000	36.3000	35.9000	35.9000	-8.418%	11	226	-66.295%
2026-07-27	40.8200	40.8200	39.1000	39.2000	-27.273%	29	225	-69.133%
2026-07-23	53.8600	55.0400	53.8600	53.9000	+16.667%	15	230	-77.551%
2026-07-22	44.7000	46.8100	44.7000	46.2000	+18.766%	55	241	-73.810%
2026-07-21	39.0000	39.0000	38.8000	38.9000	-7.535%	8	250	-68.895%
2026-07-20	44.2900	44.2900	42.0700	42.0700	-0.308%	5	243	-71.238%
2026-07-17	37.2000	42.2000	36.2100	42.2000	+68.800%	11	244	-71.327%
2026-07-16	25.6700	25.6700	25.0000	25.0000	-22.601%	3	241	-51.600%
2026-07-14	31.2000	32.3000	31.2000	32.3000	+41.048%	4	242	-62.539%
2026-07-13	22.8000	22.9000	22.8000	22.9000	-4.979%	3	242	-47.162%
2026-07-10	24.1000	24.1000	24.1000	24.1000	+12.093%	1	244	-49.793%
2026-07-08	22.2000	22.2000	21.5000	21.5000	+10.256%	12	246	-43.721%
2026-07-07	19.5000	19.5000	19.5000	19.5000	+14.706%	1	244	-37.949%
2026-07-06	18.3500	18.3500	17.0000	17.0000	-14.141%	2	244	-28.824%
2026-07-02	19.8000	19.8000	19.8000	19.8000	-20.800%	2	242	-38.889%
2026-07-01	25.0000	25.0000	25.0000	25.0000	-0.794%	2	242	-51.600%
2026-06-30	25.2000	25.3000	25.2000	25.2000	-1.946%	7	242	-51.984%
2026-06-24	25.7000	25.7000	25.7000	25.7000	-0.039%	2	242	-52.918%
2026-06-23	26.2500	26.2500	25.7100	25.7100	+0.039%	12	240	-52.937%
2026-06-22	25.7000	25.7000	25.7000	25.7000	+5.328%	5	238	-52.918%
2026-06-18	24.4000	24.4000	24.4000	24.4000	-6.154%	5	235	-50.410%
2026-06-17	22.4000	26.0000	22.4000	26.0000	+21.495%	2	235	-53.462%
2026-06-16	21.4000	21.4000	21.4000	21.4000	-5.727%	1	235	-43.458%
2026-06-15	22.7000	22.8000	22.3000	22.7000	-10.559%	7	235	-46.696%
2026-06-12	24.7000	25.3800	24.7000	25.3800	+8.927%	2	232	-52.325%
2026-06-11	24.5000	24.7000	23.3000	23.3000	+3.097%	3	232	-48.069%
2026-06-10	22.2000	22.6000	22.2000	22.6000	+9.179%	7	235	-46.460%
2026-06-09	20.6000	20.8000	20.6000	20.7000	-1.896%	54	237	-41.546%
2026-06-05	21.1000	21.1000	21.1000	21.1000	-14.575%	1	188	-42.654%
2026-06-04	24.0000	24.7000	24.0000	24.7000	-8.856%	2	189	-51.012%
2026-06-03	27.2000	27.2000	27.1000	27.1000	+24.885%	10	189	-55.351%
2026-05-29	21.8000	21.8000	21.6000	21.7000	-5.240%	10	181	-44.240%
2026-05-28	22.6300	22.9000	22.6300	22.9000	-0.478%	5	179	-47.162%
2026-05-27	23.0100	23.0100	23.0100	23.0100	+18.000%	1	178	-47.414%
2026-05-15	19.5000	19.5000	19.2000	19.5000	+3.723%	8	177	-37.949%
2026-05-14	19.1000	19.1000	18.6000	18.8000	-4.569%	9	176	-35.638%
2026-05-13	19.7000	19.7000	19.7000	19.7000	0.000%	2	169	-38.579%
2026-05-12	21.7500	21.7500	19.7000	19.7000	-11.261%	3	169	-38.579%
2026-05-11	21.0000	22.2000	21.0000	22.2000	+51.329%	2	169	-45.495%
2026-05-05	14.8000	14.9400	14.4600	14.6700	-1.544%	150	165	-17.519%
2026-04-30	14.9000	14.9000	14.9000	14.9000	+9.720%	1	120	-18.792%
2026-04-28	13.6000	13.7000	13.3100	13.5800	+19.123%	248	120	-10.898%
2026-04-23	11.4000	11.4000	11.4000	11.4000	-21.162%	1	60	+6.140%
2026-03-10	14.6300	14.9000	14.4600	14.4600	+25.739%	102	60	-16.321%
2026-02-26	11.5000	11.5000	11.5000	11.5000	-11.538%	5	17	+5.217%
2026-02-09	13.0000	13.0000	13.0000	13.0000	+7.084%	3	22	-6.923%
2026-02-03	12.1400	12.1400	12.1400	12.1400	+0.165%	1	19	-0.329%
2026-02-02	12.1200	12.1200	12.1200	12.1200	+21.200%	3	18	-0.165%
2026-01-23	10.0000	10.0000	10.0000	10.0000	-0.990%	5	15	+21.000%
2026-01-22	10.1000	10.1000	10.1000	10.1000	+3.061%	1	10	+19.802%
2026-01-16	9.8000	9.8000	9.8000	9.8000	+1.031%	1	10	+23.469%
2025-12-18	9.7000	9.7000	9.7000	9.7000	-63.327%	3	10	+24.742%
2025-10-06	26.4500	26.4500	26.4500	26.4500	+4.836%	1	9	-54.253%
2025-10-03	25.2300	25.2300	25.2300	25.2300	-9.893%	1	9	-52.041%
2025-10-02	29.2300	29.2300	28.0000	28.0000	-1.165%	4	8	-56.786%
2025-09-19	28.3300	28.3300	28.3300	28.3300	-1.972%	1	7	-57.289%
2025-09-17	28.9000	28.9000	28.9000	28.9000	+28.444%	1	7	-58.131%
2025-09-08	22.5000	22.5000	22.5000	22.5000	-16.045%	1	6	-46.222%
2025-09-04	26.8000	26.8000	26.8000	26.8000	+60.479%	1	5	-54.851%
2025-05-28	16.7000	16.7000	16.7000	16.7000	-25.778%	3	4	-27.545%
2024-10-18	22.5000	22.5000	22.5000	22.5000	-18.478%	2	4	-46.222%
2024-10-09	27.6000	27.6000	27.6000	27.6000	-3.833%	1	4	-56.159%
2024-10-07	28.9000	28.9000	28.7000	28.7000	0.000%	3	3	-57.840%