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ISRG20261218P340
ISRG Dec 18 2026 340.00 Put (ISRG261218P00340000)
option OPRA

EOD

Sep 28, 2026

5.00-23.077%(-1.50)20

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-28	5.3500	5.3500	5.0000	5.0000	-23.077%	20	637	0.000%
2026-09-25	6.5000	6.5000	6.5000	6.5000	+4.839%	1	638	-23.077%
2026-09-24	7.0000	7.0000	6.2000	6.2000	-22.500%	5	638	-19.355%
2026-09-23	8.0000	8.0000	8.0000	8.0000	+17.647%	1	638	-37.500%
2026-09-22	7.2000	7.2000	6.8000	6.8000	-9.934%	18	638	-26.471%
2026-09-21	8.5000	8.5000	7.5500	7.5500	-18.378%	19	638	-33.775%
2026-09-18	9.2500	9.2500	9.2500	9.2500	-8.416%	1	639	-45.946%
2026-09-17	11.6500	11.6500	10.1000	10.1000	-9.009%	23	639	-50.495%
2026-09-16	11.6000	11.6000	10.6700	11.1000	-13.953%	25	617	-54.955%
2026-09-15	15.1000	15.1000	12.9000	12.9000	-7.328%	18	595	-61.240%
2026-09-14	14.1300	14.3300	13.9200	13.9200	-9.020%	21	577	-64.080%
2026-09-11	15.3000	15.3000	15.3000	15.3000	-16.393%	1	556	-67.320%
2026-09-10	22.2600	22.2600	17.9000	18.3000	-14.085%	62	555	-72.678%
2026-09-09	21.3000	21.3000	21.3000	21.3000	+63.846%	15	516	-76.526%
2026-09-02	13.0000	13.0000	13.0000	13.0000	-13.333%	1	501	-61.538%
2026-09-01	14.6000	15.0000	14.5000	15.0000	+16.279%	7	500	-66.667%
2026-08-31	14.1500	14.1500	12.9000	12.9000	-17.308%	3	500	-61.240%
2026-08-26	15.5300	15.6000	15.5300	15.6000	+12.230%	2	498	-67.949%
2026-08-24	13.9000	13.9000	13.9000	13.9000	+2.963%	4	496	-64.029%
2026-08-21	13.1000	13.6000	13.1000	13.5000	-8.784%	4	492	-62.963%
2026-08-20	10.2000	14.8000	10.2000	14.8000	+54.167%	24	490	-66.216%
2026-08-19	9.6000	9.6000	9.6000	9.6000	+9.714%	1	485	-47.917%
2026-08-12	9.7000	9.7000	8.7500	8.7500	-15.622%	3	485	-42.857%
2026-08-11	10.9000	10.9000	10.3700	10.3700	-17.040%	12	486	-51.784%
2026-08-10	13.9000	13.9000	12.5000	12.5000	-25.150%	8	493	-60.000%
2026-08-07	16.9000	16.9000	16.7000	16.7000	-7.222%	3	495	-70.060%
2026-08-06	18.2000	18.3000	18.0000	18.0000	+1.124%	25	493	-72.222%
2026-08-05	17.8000	17.8000	17.8000	17.8000	-16.432%	5	468	-71.910%
2026-08-04	20.5000	21.6000	20.5000	21.3000	+7.143%	9	463	-76.526%
2026-08-03	20.0000	20.0000	19.8800	19.8800	-20.480%	2	464	-74.849%
2026-07-31	25.1000	25.1000	25.0000	25.0000	-6.121%	11	464	-80.000%
2026-07-30	26.6000	26.6300	26.6000	26.6300	+18.356%	6	454	-81.224%
2026-07-28	22.5000	22.7000	22.4000	22.5000	-7.787%	17	450	-77.778%
2026-07-27	27.8000	27.8000	24.4000	24.4000	-21.543%	25	433	-79.508%
2026-07-24	31.2000	32.5000	31.1000	31.1000	-12.763%	18	434	-83.923%
2026-07-23	34.9000	36.0200	34.7000	35.6500	+20.034%	17	418	-85.975%
2026-07-22	29.4800	30.4000	29.4000	29.7000	+14.672%	50	418	-83.165%
2026-07-21	24.4000	25.9000	24.4000	25.9000	-3.250%	16	415	-80.695%
2026-07-20	30.1000	30.1000	26.7700	26.7700	-0.483%	4	405	-81.322%
2026-07-17	23.7000	26.9000	23.7000	26.9000	+66.049%	8	403	-81.413%
2026-07-16	15.9000	16.2000	15.6200	16.2000	-21.739%	4	402	-69.136%
2026-07-14	15.5000	20.7000	15.5000	20.7000	+50.000%	16	402	-75.845%
2026-07-13	13.8500	14.1600	13.8000	13.8000	-6.757%	201	399	-63.768%
2026-07-10	14.3000	14.8000	14.3000	14.8000	+7.246%	8	243	-66.216%
2026-07-09	13.8000	13.8000	13.8000	13.8000	0.000%	2	238	-63.768%
2026-07-08	13.8000	13.8000	13.8000	13.8000	+15.000%	8	237	-63.768%
2026-07-07	9.9000	12.1000	9.9000	12.0000	-0.826%	19	229	-58.333%
2026-07-02	13.4000	13.4000	12.1000	12.1000	-18.243%	13	208	-58.678%
2026-07-01	14.8000	14.8000	14.8000	14.8000	-6.329%	1	208	-66.216%
2026-06-30	15.4000	15.8000	15.4000	15.8000	+8.966%	33	207	-68.354%
2026-06-29	14.4000	14.5000	14.4000	14.5000	-11.585%	3	178	-65.517%
2026-06-22	16.6000	16.6000	16.4000	16.4000	+7.895%	16	175	-69.512%
2026-06-18	15.6000	15.6000	15.0000	15.2000	+7.420%	21	152	-67.105%
2026-06-17	13.7000	14.3000	13.7000	14.1500	+7.197%	9	152	-64.664%
2026-06-16	13.9000	13.9000	13.2000	13.2000	-7.042%	10	152	-62.121%
2026-06-15	14.1000	14.2000	14.1000	14.2000	-8.974%	13	146	-64.789%
2026-06-12	15.8000	16.0000	15.6000	15.6000	+1.299%	17	134	-67.949%
2026-06-11	16.1000	16.1000	14.5000	15.4000	+7.692%	16	118	-67.532%
2026-06-10	14.3000	14.3000	14.3000	14.3000	+2.143%	2	109	-65.035%
2026-06-09	14.0000	14.0000	14.0000	14.0000	-9.091%	6	109	-64.286%
2026-06-08	15.4000	15.4000	15.4000	15.4000	+14.583%	1	109	-67.532%
2026-06-05	13.4400	13.4400	13.4400	13.4400	-15.472%	1	109	-62.798%
2026-06-04	14.6000	15.9000	14.3000	15.9000	-13.587%	10	110	-68.553%
2026-06-03	17.7000	18.4000	17.7000	18.4000	0.000%	11	111	-72.826%
2026-06-02	16.9000	18.4000	16.7000	18.4000	+26.897%	30	102	-72.826%
2026-06-01	14.8000	14.8000	14.5000	14.5000	+6.383%	3	80	-65.517%
2026-05-29	13.6300	13.6300	13.6300	13.6300	-5.609%	2	83	-63.316%
2026-05-28	14.6000	15.0000	14.3800	14.4400	-2.432%	60	83	-65.374%
2026-05-27	14.8000	14.8000	14.8000	14.8000	+29.825%	1	36	-66.216%
2026-05-26	11.4000	11.4000	11.4000	11.4000	+9.615%	19	36	-56.140%
2026-05-20	10.5000	10.5000	10.4000	10.4000	-21.212%	10	18	-51.923%
2026-05-11	12.9000	13.2000	12.9000	13.2000	+80.082%	2	8	-62.121%
2026-04-23	7.3300	7.3300	7.3300	7.3300	-30.849%	1	7	-31.787%
2026-04-21	10.6000	10.6000	10.6000	10.6000	-18.462%	1	7	-52.830%
2026-04-01	13.0000	13.0000	13.0000	13.0000	+51.339%	1	7	-61.538%
2026-02-27	8.4000	8.5900	8.4000	8.5900	+44.857%	2	7	-41.793%
2026-01-05	5.9300	5.9300	5.9300	5.9300	+12.098%	1	6	-15.683%
2025-12-31	5.2900	5.2900	5.2900	5.2900	-5.872%	1	6	-5.482%
2025-12-29	5.6200	5.6200	5.6200	5.6200	-68.427%	1	6	-11.032%
2025-10-20	17.8000	17.8000	17.8000	17.8000	-7.292%	1	5	-71.910%
2025-10-09	19.2000	19.2000	19.2000	19.2000	+35.211%	3	4	-73.958%
2025-01-08	14.2000	14.2000	14.2000	14.2000	+5.341%	1	1	-64.789%
2024-11-11	13.4800	13.4800	13.4800	13.4800	-37.068%	1	1	-62.908%
2024-10-03	21.4200	21.4200	21.4200	21.4200	0.000%	1	1	-76.657%