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ISRG20260918P400
ISRG Sep 18 2026 400.00 Put (ISRG260918P00400000)
option OPRA

EOD

Jul 28, 2026

42.12-11.233%(-5.33)5

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-28	40.2400	42.1200	40.2400	42.1200	-11.233%	5	336	0.000%
2026-07-27	51.2800	51.4100	47.4500	47.4500	-32.714%	12	336	-11.233%
2026-07-23	68.3700	71.0000	68.1000	70.5200	+16.949%	12	329	-40.272%
2026-07-22	55.6000	60.3000	55.6000	60.3000	+15.076%	9	327	-30.149%
2026-07-21	56.2300	56.2300	45.6000	52.4000	+0.576%	16	324	-19.618%
2026-07-20	52.7000	56.6700	52.0500	52.1000	-7.951%	11	322	-19.155%
2026-07-17	45.5000	56.6000	45.5000	56.6000	+111.985%	51	327	-25.583%
2026-07-16	26.5000	26.7000	25.2000	26.7000	-16.563%	19	309	+57.753%
2026-07-15	32.3000	32.3000	32.0000	32.0000	-10.238%	2	298	+31.625%
2026-07-14	31.0200	36.7200	31.0200	35.6500	+46.587%	9	297	+18.149%
2026-07-10	24.5000	24.8500	24.3200	24.3200	+22.766%	14	291	+73.191%
2026-07-08	20.0000	20.0000	19.8100	19.8100	+8.966%	2	289	+112.620%
2026-07-07	14.7000	18.1800	14.0200	18.1800	+0.720%	4	291	+131.683%
2026-07-06	17.9000	18.0500	17.9000	18.0500	-2.432%	11	292	+133.352%
2026-07-02	18.5000	18.8900	18.5000	18.5000	-26.000%	4	292	+127.676%
2026-07-01	25.0000	25.3000	24.8000	25.0000	-4.580%	26	292	+68.480%
2026-06-30	26.0200	26.2000	25.5000	26.2000	+5.221%	14	311	+60.763%
2026-06-24	24.9000	24.9000	24.9000	24.9000	-9.455%	64	324	+69.157%
2026-06-23	27.0000	27.6500	27.0000	27.5000	+6.178%	8	318	+53.164%
2026-06-22	25.5000	25.9000	25.4000	25.9000	-0.614%	4	314	+62.625%
2026-06-18	24.5000	26.0600	24.3000	26.0600	-7.128%	96	247	+61.627%
2026-06-17	28.0600	28.0600	28.0600	28.0600	+27.836%	3	247	+50.107%
2026-06-15	22.4000	22.4000	21.9500	21.9500	-13.583%	3	247	+91.891%
2026-06-12	27.9300	27.9300	25.4000	25.4000	-3.053%	26	250	+65.827%
2026-06-11	26.2000	26.2000	26.2000	26.2000	+8.264%	2	233	+60.763%
2026-06-10	22.0000	24.3000	22.0000	24.2000	+5.677%	7	231	+74.050%
2026-06-09	19.4000	22.9000	19.4000	22.9000	-0.435%	2	227	+83.930%
2026-06-08	23.0000	23.2000	23.0000	23.0000	+11.272%	9	225	+83.130%
2026-06-05	22.6300	22.6300	20.5300	20.6700	-11.667%	63	220	+103.774%
2026-06-04	23.4000	23.4000	23.4000	23.4000	-21.318%	10	272	+80.000%
2026-06-03	29.7400	29.7400	29.7400	29.7400	-4.003%	5	262	+41.627%
2026-06-02	31.0000	32.0500	30.9800	30.9800	+17.348%	45	262	+35.959%
2026-06-01	26.4000	26.4000	26.4000	26.4000	+18.919%	1	232	+59.545%
2026-05-29	22.3000	22.3000	22.2000	22.2000	+2.778%	8	232	+89.730%
2026-05-28	21.6000	21.6000	21.6000	21.6000	-16.795%	4	227	+95.000%
2026-05-27	24.0700	25.9600	24.0700	25.9600	+42.169%	11	225	+62.250%
2026-05-26	18.1000	18.2800	18.1000	18.2600	+9.341%	30	214	+130.668%
2026-05-22	16.7000	16.7000	16.7000	16.7000	+6.032%	1	193	+152.216%
2026-05-20	15.7500	15.7500	15.7500	15.7500	-5.689%	1	192	+167.429%
2026-05-19	16.7000	16.7000	16.7000	16.7000	-10.695%	50	158	+152.216%
2026-05-18	18.7000	18.7000	18.7000	18.7000	-1.579%	4	158	+125.241%
2026-05-15	19.0000	19.0000	19.0000	19.0000	-11.007%	1	158	+121.684%
2026-05-14	19.9000	21.3500	19.9000	21.3500	+9.487%	3	158	+97.283%
2026-05-13	19.2000	19.5000	19.2000	19.5000	-18.067%	3	161	+116.000%
2026-05-11	24.6500	24.6500	23.5000	23.8000	+80.030%	3	161	+76.975%
2026-05-04	12.9000	13.2200	12.9000	13.2200	+1.692%	3	162	+218.608%
2026-05-01	13.0000	13.0000	13.0000	13.0000	-5.797%	1	164	+224.000%
2026-04-30	14.0000	14.0000	13.8000	13.8000	+15.000%	2	164	+205.217%
2026-04-28	11.7000	12.0000	11.7000	12.0000	+3.093%	7	162	+251.000%
2026-04-27	11.7000	11.7000	11.6400	11.6400	+12.900%	7	163	+261.856%
2026-04-23	10.1400	10.3100	10.1400	10.3100	-2.275%	4	159	+308.535%
2026-04-22	10.5500	10.5500	10.5500	10.5500	-26.838%	2	157	+299.242%
2026-04-20	14.5000	14.5000	14.4200	14.4200	-1.905%	3	157	+192.094%
2026-04-17	14.2000	14.7000	14.1000	14.7000	-14.035%	5	156	+186.531%
2026-04-16	16.1300	17.2000	16.1300	17.1000	+6.211%	6	157	+146.316%
2026-04-15	16.1000	16.1000	16.1000	16.1000	-15.707%	1	159	+161.615%
2026-04-13	19.6000	19.6000	19.1000	19.1000	-3.046%	7	159	+120.524%
2026-04-10	18.8000	19.7000	18.0000	19.7000	+20.859%	17	163	+113.807%
2026-04-08	16.9000	16.9000	16.3000	16.3000	-25.571%	6	174	+158.405%
2026-04-02	20.7000	22.0000	20.7000	21.9000	+11.168%	12	159	+92.329%
2026-04-01	19.7000	19.7000	19.7000	19.7000	-11.659%	1	159	+113.807%
2026-03-31	22.1000	22.5000	22.1000	22.3000	-4.292%	9	158	+88.879%
2026-03-30	22.9000	24.0000	22.8000	23.3000	-0.427%	7	151	+80.773%
2026-03-27	23.1000	23.4000	23.1000	23.4000	+24.468%	4	145	+80.000%
2026-03-25	18.6000	19.0000	18.5000	18.8000	-2.591%	20	144	+124.043%
2026-03-24	18.7000	19.3000	18.7000	19.3000	+13.529%	11	135	+118.238%
2026-03-23	16.5000	17.0000	16.5000	17.0000	-6.077%	4	125	+147.765%
2026-03-20	17.6000	18.1000	16.8100	18.1000	0.000%	4	125	+132.707%
2026-03-19	17.5000	18.3000	17.5000	18.1000	+16.026%	87	121	+132.707%
2026-03-16	15.6000	15.6000	15.6000	15.6000	-17.895%	2	64	+170.000%
2026-03-13	18.8000	19.0000	18.8000	19.0000	+25.828%	10	64	+121.684%
2026-03-10	15.1000	15.1000	15.1000	15.1000	-7.362%	1	71	+178.940%
2026-03-06	16.9000	16.9000	16.3000	16.3000	+9.396%	23	70	+158.405%
2026-03-03	14.9000	15.0000	14.6000	14.9000	+7.815%	9	52	+182.685%
2026-03-02	13.8200	13.8200	13.8200	13.8200	+8.819%	3	54	+204.776%
2026-02-27	13.1000	13.1000	12.6000	12.7000	+11.404%	6	57	+231.654%
2026-02-26	11.5000	11.5200	11.4000	11.4000	-4.603%	7	53	+269.474%
2026-02-25	12.2000	12.2000	11.9500	11.9500	-9.470%	8	51	+252.469%
2026-02-24	13.2000	13.2000	13.2000	13.2000	-2.941%	1	51	+219.091%
2026-02-23	12.8000	14.1000	12.8000	13.6000	+15.450%	40	51	+209.706%
2026-02-20	11.7800	11.7800	11.7800	11.7800	-4.228%	3	61	+257.555%
2026-02-18	12.6000	12.6000	12.3000	12.3000	-9.559%	12	61	+242.439%
2026-02-17	14.3000	14.3000	13.6000	13.6000	-12.821%	12	58	+209.706%
2026-02-12	15.6000	15.6000	15.6000	15.6000	+19.816%	1	51	+170.000%
2026-02-10	13.0200	13.0200	13.0200	13.0200	-21.091%	1	51	+223.502%
2026-02-05	15.7000	17.1000	15.7000	16.5000	+2.804%	21	51	+155.273%
2026-02-03	15.8100	16.3000	15.8100	16.0500	+40.789%	12	39	+162.430%
2026-01-30	11.4000	11.4000	11.4000	11.4000	-1.724%	2	38	+269.474%
2026-01-29	11.9600	11.9600	11.6000	11.6000	+16.000%	7	36	+263.103%
2026-01-28	10.0000	10.0000	10.0000	10.0000	+5.263%	1	34	+321.200%
2026-01-16	9.3000	9.5000	9.3000	9.5000	+8.696%	10	43	+343.368%
2026-01-14	8.7400	8.7400	8.7400	8.7400	+48.136%	3	43	+381.922%
2026-01-06	8.1000	8.1000	5.9000	5.9000	-43.269%	7	40	+613.898%
2025-12-02	10.1800	10.4000	10.1800	10.4000	-13.333%	6	40	+305.000%
2025-11-14	12.0000	12.0000	12.0000	12.0000	-5.882%	6	42	+251.000%
2025-10-22	14.1700	14.1700	12.7500	12.7500	-57.500%	6	42	+230.353%
2025-10-20	30.0000	30.0000	30.0000	30.0000	-9.091%	10	48	+40.400%
2025-10-08	33.0000	33.0000	33.0000	33.0000	-3.762%	2	48	+27.636%
2025-10-07	34.3000	34.3000	34.2900	34.2900	+4.702%	2	46	+22.835%
2025-10-06	32.3000	32.7500	32.3000	32.7500	-8.263%	3	46	+28.611%
2025-10-01	35.7000	35.7000	35.7000	35.7000	+7.530%	1	47	+17.983%
2025-09-24	33.2000	33.2000	33.2000	33.2000	+3.750%	2	48	+26.867%
2025-09-23	32.0000	32.0000	32.0000	32.0000	-3.672%	10	46	+31.625%
2025-09-22	33.2200	33.2200	33.2200	33.2200	-7.722%	1	36	+26.791%
2025-09-16	36.0400	36.0400	35.9300	36.0000	+39.535%	6	35	+17.000%
2025-09-08	26.1000	26.1000	25.8000	25.8000	-5.147%	4	34	+63.256%
2025-09-05	27.2000	27.2000	27.2000	27.2000	-17.073%	3	30	+54.853%
2025-09-03	32.8000	32.8000	32.8000	32.8000	+35.537%	1	33	+28.415%
2025-08-25	24.2000	24.2000	24.2000	24.2000	+2.110%	2	32	+74.050%
2025-08-21	23.7000	23.7000	23.7000	23.7000	+5.333%	3	30	+77.722%
2025-08-20	22.5000	22.5000	22.5000	22.5000	-6.250%	13	27	+87.200%
2025-08-12	24.0000	24.0000	24.0000	24.0000	-4.382%	1	20	+75.500%
2025-08-08	25.1000	25.1000	25.1000	25.1000	+2.033%	1	19	+67.809%
2025-08-06	24.6000	24.6000	24.6000	24.6000	+0.408%	1	18	+71.220%
2025-08-01	24.9800	24.9800	24.5000	24.5000	+21.287%	2	17	+71.918%
2025-07-30	20.2000	20.2000	20.2000	20.2000	-6.481%	1	16	+108.515%
2025-07-29	21.6000	21.6000	21.6000	21.6000	+9.091%	1	15	+95.000%
2025-07-28	19.8000	19.8000	19.8000	19.8000	-7.042%	2	14	+112.727%
2025-07-25	21.3000	21.3000	21.3000	21.3000	-5.752%	4	12	+97.746%
2025-07-24	22.6000	22.6000	22.6000	22.6000	+9.179%	1	9	+86.372%
2025-07-22	20.7000	20.7000	20.7000	20.7000	+1.471%	1	9	+103.478%
2025-07-17	20.4000	20.4000	20.4000	20.4000	-8.108%	1	8	+106.471%
2025-07-16	22.2000	22.2000	22.2000	22.2000	+4.225%	2	7	+89.730%
2025-07-15	21.3000	21.3000	21.3000	21.3000	+19.663%	1	5	+97.746%
2025-06-27	17.8000	17.8000	17.8000	17.8000	0.000%	4	4	+136.629%