Dark

MRK20260918P100
MRK Sep 18 2026 100.00 Put (MRK260918P00100000)
option OPRA

EOD

Jul 21, 2026

0.5100+27.500%(+0.1100)59

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-21	0.3500	0.5100	0.3500	0.5100	+27.500%	59	5,954	0.000%
2026-07-20	0.3000	0.4300	0.3000	0.4000	+25.000%	76	5,981	+27.500%
2026-07-17	0.2400	0.3300	0.2100	0.3200	+10.345%	39	6,026	+59.375%
2026-07-16	0.4400	0.4400	0.2900	0.2900	-47.273%	41	6,063	+75.862%
2026-07-15	0.5400	0.5900	0.5300	0.5500	-24.658%	45	6,090	-7.273%
2026-07-14	0.7400	0.7400	0.7300	0.7300	+12.308%	14	6,112	-30.137%
2026-07-10	0.7500	0.7500	0.6500	0.6500	+18.182%	9	6,112	-21.538%
2026-07-09	0.6200	0.6200	0.5500	0.5500	-8.333%	32	6,109	-7.273%
2026-07-08	0.5600	0.6100	0.5600	0.6000	+22.449%	35	6,109	-15.000%
2026-07-06	0.4600	0.5400	0.4600	0.4900	+2.083%	11	6,089	+4.082%
2026-07-02	0.5200	0.5200	0.4800	0.4800	-9.434%	2	6,097	+6.250%
2026-07-01	0.5800	0.5800	0.5300	0.5300	+6.000%	6	6,097	-3.774%
2026-06-30	0.5000	0.5800	0.5000	0.5000	-5.660%	32	6,101	+2.000%
2026-06-29	0.5300	0.5500	0.4800	0.5300	-10.169%	31	6,089	-3.774%
2026-06-26	0.5900	0.5900	0.5900	0.5900	-32.955%	1	6,074	-13.559%
2026-06-25	0.8300	0.8800	0.8300	0.8800	-10.204%	13	6,074	-42.045%
2026-06-24	1.0800	1.0900	0.9800	0.9800	-19.008%	9	6,061	-47.959%
2026-06-23	1.2600	1.2800	1.2100	1.2100	-25.309%	8	6,052	-57.851%
2026-06-22	1.8900	1.8900	1.6200	1.6200	-20.197%	60	6,048	-68.519%
2026-06-18	1.8200	2.3500	1.8200	2.0300	+13.408%	229	5,979	-74.877%
2026-06-17	1.7500	1.8300	1.7500	1.7900	-3.763%	34	5,979	-71.508%
2026-06-16	1.8500	1.8600	1.7900	1.8600	+5.682%	29	5,979	-72.581%
2026-06-15	1.7400	1.7600	1.7400	1.7600	+18.121%	10	5,984	-71.023%
2026-06-12	1.4400	1.5300	1.4200	1.4900	+16.406%	30	5,982	-65.772%
2026-06-11	1.5200	1.5200	1.2400	1.2800	-33.333%	35	5,994	-60.156%
2026-06-10	1.6900	1.9200	1.6900	1.9200	+20.000%	23	6,000	-73.438%
2026-06-09	1.6000	1.6000	1.6000	1.6000	-15.344%	7	5,994	-68.125%
2026-06-08	1.4700	1.9200	1.4200	1.8900	+35.000%	162	5,994	-73.016%
2026-06-05	1.3400	1.4900	1.3400	1.4000	-16.667%	10	5,938	-63.571%
2026-06-04	1.8600	2.0100	1.6200	1.6800	-29.412%	8	5,939	-69.643%
2026-06-03	2.1100	2.3800	2.0400	2.3800	+7.692%	10	5,939	-78.571%
2026-06-02	2.2600	2.2600	2.1900	2.2100	-5.957%	165	5,939	-76.923%
2026-06-01	2.4500	2.5000	2.3500	2.3500	+28.415%	20	5,810	-78.298%
2026-05-29	1.7600	1.8300	1.7200	1.8300	+13.665%	27	5,791	-72.131%
2026-05-27	1.6500	1.6500	1.6100	1.6100	-8.000%	18	5,771	-68.323%
2026-05-26	1.7100	1.7500	1.6400	1.7500	+6.061%	38	5,786	-70.857%
2026-05-22	1.7200	2.1100	1.6500	1.6500	-32.099%	3	5,816	-69.091%
2026-05-21	2.4300	2.4300	2.4300	2.4300	-14.437%	10	5,819	-79.012%
2026-05-20	2.7800	2.9000	2.7600	2.8400	+5.576%	21	5,819	-82.042%
2026-05-19	2.8500	2.8500	2.5800	2.6900	-13.226%	46	5,854	-81.041%
2026-05-18	3.1000	3.1000	3.1000	3.1000	-6.061%	5	5,854	-83.548%
2026-05-15	3.2500	3.4500	3.0500	3.3000	+4.762%	273	5,854	-84.545%
2026-05-14	3.1000	3.2500	3.1000	3.1500	0.000%	1,702	5,726	-83.810%
2026-05-13	3.0500	3.1500	3.0500	3.1500	0.000%	13	4,880	-83.810%
2026-05-12	3.3500	3.3500	3.1500	3.1500	-14.865%	19	4,880	-83.810%
2026-05-11	3.2000	3.7100	3.2000	3.7000	+7.246%	100	4,880	-86.216%
2026-05-08	3.3000	3.4500	3.3000	3.4500	-2.817%	131	4,809	-85.217%
2026-05-07	3.4000	3.5500	3.4000	3.5500	+18.333%	4	4,848	-85.634%
2026-05-06	3.1500	3.2000	3.0000	3.0000	-8.537%	64	4,851	-83.000%
2026-05-05	3.3000	3.3500	3.2800	3.2800	-0.606%	5	4,853	-84.451%
2026-05-04	3.3500	3.3500	3.1500	3.3000	-9.589%	82	4,855	-84.545%
2026-05-01	3.4100	3.6500	3.4100	3.6500	-16.476%	47	4,839	-86.027%
2026-04-30	4.3500	4.5000	4.0500	4.3700	-0.682%	22	4,839	-88.330%
2026-04-29	4.3100	4.4000	4.2500	4.4000	-1.124%	31	4,843	-88.409%
2026-04-28	4.3200	4.4500	4.1500	4.4500	+3.488%	236	4,852	-88.539%
2026-04-27	4.1500	4.4500	4.1500	4.3000	+2.381%	88	4,905	-88.140%
2026-04-24	4.4100	4.4100	4.2000	4.2000	+21.739%	14	4,859	-87.857%
2026-04-23	3.7500	3.7500	3.4500	3.4500	-13.750%	84	4,849	-85.217%
2026-04-22	4.0500	4.2500	4.0000	4.0000	-3.614%	157	4,855	-87.250%
2026-04-21	3.8000	4.1500	3.8000	4.1500	+36.066%	14	4,826	-87.711%
2026-04-20	2.8800	3.0500	2.8600	3.0500	+6.643%	34	4,826	-83.279%
2026-04-17	2.8600	2.8600	2.8600	2.8600	-14.371%	1	4,826	-82.168%
2026-04-16	3.1500	3.6000	3.0500	3.3400	+9.508%	54	4,825	-84.731%
2026-04-15	2.9100	3.2000	2.9100	3.0500	+4.452%	92	4,810	-83.279%
2026-04-13	2.9000	2.9200	2.9000	2.9200	+7.749%	21	4,781	-82.534%
2026-04-10	2.9100	2.9200	2.7100	2.7100	-0.733%	75	4,781	-81.181%
2026-04-09	2.7300	2.7300	2.7300	2.7300	-1.087%	1	4,726	-81.319%
2026-04-08	3.1000	3.1000	2.6900	2.7600	-20.000%	29	4,725	-81.522%
2026-04-07	3.8000	3.9500	3.3500	3.4500	+4.545%	639	4,704	-85.217%
2026-04-06	3.2500	3.3000	3.2500	3.3000	+1.538%	3	5,008	-84.545%
2026-04-02	3.5500	3.7500	3.2500	3.2500	0.000%	381	4,890	-84.308%
2026-04-01	3.3200	3.3200	3.2500	3.2500	-8.451%	49	4,890	-84.308%
2026-03-31	3.5000	3.7500	3.5000	3.5500	-13.415%	19	4,884	-85.634%
2026-03-30	3.8500	4.2500	3.8500	4.1000	+7.895%	155	4,877	-87.561%
2026-03-27	3.6000	3.8000	3.5500	3.8000	0.000%	196	4,804	-86.579%
2026-03-26	3.5500	3.9000	3.5500	3.8000	+4.110%	508	4,743	-86.579%
2026-03-25	3.8500	3.8500	3.4900	3.6500	-15.313%	100	4,538	-86.027%
2026-03-24	4.2500	4.4500	4.2000	4.3100	+1.412%	76	4,471	-88.167%
2026-03-23	4.2500	4.3500	4.0500	4.2500	-17.476%	201	4,418	-88.000%
2026-03-20	4.7500	5.2000	4.6500	5.1500	+7.292%	483	4,369	-90.097%
2026-03-19	4.7500	5.0000	4.7500	4.8000	+1.053%	111	3,936	-89.375%
2026-03-18	4.4500	4.8500	4.4500	4.7500	+11.765%	85	3,896	-89.263%
2026-03-17	4.4000	4.4000	4.1000	4.2500	-8.602%	48	3,833	-88.000%
2026-03-16	4.6500	4.7500	4.5000	4.6500	0.000%	81	3,801	-89.032%
2026-03-13	4.3500	4.7200	4.3500	4.6500	-1.064%	129	3,727	-89.032%
2026-03-12	4.7000	5.2000	4.6000	4.7000	+3.297%	79	3,689	-89.149%
2026-03-11	4.4500	4.7500	4.3500	4.5500	+4.598%	88	3,634	-88.791%
2026-03-10	4.3500	4.5000	4.0500	4.3500	-5.435%	41	3,590	-88.276%
2026-03-09	5.0500	5.2000	4.6000	4.6000	-8.000%	85	3,565	-88.913%
2026-03-06	5.0000	5.3500	5.0000	5.0000	+2.249%	105	3,546	-89.800%
2026-03-05	4.4000	5.1500	4.4000	4.8900	+28.684%	473	3,481	-89.571%
2026-03-04	4.0500	4.0500	3.7500	3.8000	+2.981%	1,053	3,369	-86.579%
2026-03-03	3.8500	4.0500	3.6900	3.6900	+6.957%	146	2,323	-86.179%
2026-03-02	3.5000	3.7000	3.4500	3.4500	+4.545%	33	2,266	-85.217%
2026-02-27	3.5000	3.5500	3.2500	3.3000	-10.811%	43	2,265	-84.545%
2026-02-26	3.6500	3.7500	3.6500	3.7000	+24.161%	124	2,231	-86.216%
2026-02-25	2.9800	2.9800	2.9800	2.9800	-6.875%	1	2,151	-82.886%
2026-02-24	3.1500	3.2000	3.1500	3.2000	+1.587%	16	2,151	-84.063%
2026-02-23	3.1500	3.1500	3.1500	3.1500	-10.000%	9	2,135	-83.810%
2026-02-20	3.5000	3.5000	3.5000	3.5000	-1.408%	18	2,132	-85.429%
2026-02-19	3.5000	3.5500	3.4500	3.5500	-4.054%	271	2,114	-85.634%
2026-02-18	3.7000	3.7000	3.7000	3.7000	+8.824%	12	1,975	-86.216%
2026-02-17	3.4000	3.4000	3.4000	3.4000	-5.817%	4	1,963	-85.000%
2026-02-13	3.3500	3.6500	3.3500	3.6100	-8.608%	129	1,858	-85.873%
2026-02-12	3.6000	3.9500	3.6000	3.9500	+5.333%	110	1,858	-87.089%
2026-02-11	3.7500	3.7500	3.7500	3.7500	-5.063%	4	1,775	-86.400%
2026-02-10	3.9500	3.9500	3.9500	3.9500	-2.469%	2	1,775	-87.089%
2026-02-09	3.9000	4.0500	3.9000	4.0500	+19.118%	16	1,775	-87.407%
2026-02-06	3.3500	3.4000	3.3000	3.4000	-13.924%	53	1,775	-85.000%
2026-02-05	3.4000	3.9500	3.3500	3.9500	+13.833%	178	1,742	-87.089%
2026-02-04	3.4700	3.4700	3.4700	3.4700	-8.684%	650	1,779	-85.303%
2026-02-03	3.8000	3.8000	3.8000	3.8000	-24.303%	4	1,141	-86.579%
2026-02-02	5.0000	5.0200	4.9700	5.0200	-10.357%	25	1,141	-89.841%
2026-01-30	5.6500	5.6500	5.6000	5.6000	-3.448%	64	1,141	-90.893%
2026-01-29	5.8000	5.8000	5.6000	5.8000	-10.769%	24	1,077	-91.207%
2026-01-28	6.5000	6.5000	6.5000	6.5000	+8.333%	1	1,064	-92.154%
2026-01-23	6.0000	6.0000	5.9000	6.0000	+4.348%	90	1,063	-91.500%
2026-01-22	5.6000	5.7500	5.6000	5.7500	-1.709%	8	986	-91.130%
2026-01-16	5.7500	5.8500	5.7500	5.8500	-2.500%	60	918	-91.282%
2026-01-13	6.0000	6.0000	6.0000	6.0000	+3.448%	2	918	-91.500%
2026-01-12	5.6000	5.8000	5.6000	5.8000	+7.407%	13	918	-91.207%
2026-01-09	5.3000	5.4000	5.3000	5.4000	-5.263%	52	915	-90.556%
2026-01-08	5.2000	5.7000	5.1500	5.7000	-5.000%	3	863	-91.053%
2026-01-07	5.6500	6.0000	5.6500	6.0000	-4.762%	151	778	-91.500%
2026-01-05	6.3000	6.3000	6.3000	6.3000	-10.000%	2	712	-91.905%
2025-12-31	7.0000	7.0000	7.0000	7.0000	+6.870%	1	712	-92.714%
2025-12-30	6.6000	6.6000	6.5500	6.5500	0.000%	2	712	-92.214%
2025-12-29	6.5600	6.5600	6.5500	6.5500	-4.380%	83	711	-92.214%
2025-12-26	6.8500	6.8500	6.8500	6.8500	-6.164%	2	689	-92.555%
2025-12-23	7.3000	7.3000	7.3000	7.3000	-4.700%	2	689	-93.014%
2025-12-22	7.7500	7.7500	7.6600	7.6600	-10.930%	501	689	-93.342%
2025-12-18	8.6000	8.6000	8.6000	8.6000	-10.417%	2	189	-94.070%
2025-12-17	9.6000	9.6000	9.6000	9.6000	+1.053%	2	190	-94.688%
2025-12-12	9.6500	9.6500	9.5000	9.5000	-5.941%	38	193	-94.632%
2025-12-11	10.4500	10.4500	10.1000	10.1000	-5.164%	29	172	-94.950%
2025-12-10	10.9000	10.9000	10.6500	10.6500	-1.843%	33	144	-95.211%
2025-12-09	10.4000	10.8500	10.4000	10.8500	+9.596%	26	115	-95.300%
2025-12-08	9.9000	9.9000	9.9000	9.9000	+5.431%	11	94	-94.848%
2025-12-05	9.3400	9.3900	9.3400	9.3900	+4.333%	3	88	-94.569%
2025-12-04	8.6600	9.0000	8.6600	9.0000	0.000%	16	88	-94.333%
2025-12-02	9.3000	9.3500	9.0000	9.0000	-5.561%	49	80	-94.333%
2025-11-24	9.2500	9.5300	9.1500	9.5300	-10.094%	25	55	-94.648%
2025-11-21	11.9500	11.9500	9.9500	10.6000	-13.821%	8	51	-95.189%
2025-11-19	12.5000	12.9000	12.3000	12.3000	+2.500%	9	50	-95.854%
2025-11-18	11.7500	12.1000	11.7500	12.0000	-5.882%	10	47	-95.750%
2025-11-14	12.7500	12.7500	12.7500	12.7500	-12.069%	2	38	-96.000%
2025-11-13	14.5000	14.5000	14.5000	14.5000	+3.571%	5	37	-96.483%
2025-11-12	13.5000	14.0000	13.5000	14.0000	-15.663%	10	32	-96.357%
2025-10-07	16.0900	16.7500	16.0900	16.6000	+5.063%	12	12	-96.928%
2025-10-02	15.8000	15.8000	15.8000	15.8000	-9.456%	1	12	-96.772%
2025-10-01	17.4500	17.4500	17.4500	17.4500	-23.799%	5	11	-97.077%
2025-09-29	22.9000	22.9000	22.9000	22.9000	-0.435%	4	7	-97.773%
2025-09-26	23.0000	23.0000	23.0000	23.0000	-0.862%	2	3	-97.783%
2025-09-25	23.1300	23.2000	23.1300	23.2000	+8.971%	2	1	-97.802%
2025-09-22	21.1100	21.2900	21.1100	21.2900	-4.099%	2	0	-97.605%
2025-08-12	21.9800	22.2000	21.9800	22.2000	0.000%	2	0	-97.703%