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MRK20260918P85
MRK Sep 18 2026 85.00 Put (MRK260918P00085000)
option OPRA

EOD

Jul 21, 2026

0.0400-50.000%(-0.0400)3

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-21	0.0300	0.0400	0.0300	0.0400	-50.000%	3	1,312	0.000%
2026-07-20	0.0300	0.0800	0.0300	0.0800	+166.667%	11	1,315	-50.000%
2026-07-17	0.0400	0.0400	0.0300	0.0300	-62.500%	3	1,322	+33.333%
2026-07-16	0.0400	0.0900	0.0400	0.0800	-11.111%	9	1,324	-50.000%
2026-07-15	0.0500	0.0900	0.0500	0.0900	-10.000%	6	1,330	-55.556%
2026-07-14	0.0500	0.1000	0.0500	0.1000	-9.091%	3	1,332	-60.000%
2026-07-13	0.0900	0.1100	0.0900	0.1100	+22.222%	4	1,335	-63.636%
2026-07-10	0.0900	0.0900	0.0900	0.0900	-18.182%	2	1,338	-55.556%
2026-07-08	0.1100	0.1100	0.1100	0.1100	+22.222%	2	1,339	-63.636%
2026-07-06	0.0900	0.0900	0.0900	0.0900	0.000%	6	1,337	-55.556%
2026-07-02	0.1100	0.1100	0.0800	0.0900	-18.182%	4	1,347	-55.556%
2026-07-01	0.1100	0.1400	0.1000	0.1100	-8.333%	9	1,347	-63.636%
2026-06-30	0.1200	0.1200	0.1200	0.1200	+9.091%	3	1,354	-66.667%
2026-06-29	0.1100	0.1100	0.1100	0.1100	-26.667%	3	1,356	-63.636%
2026-06-26	0.1400	0.1500	0.1400	0.1500	-16.667%	4	1,359	-73.333%
2026-06-25	0.1800	0.1800	0.1800	0.1800	-14.286%	2	1,363	-77.778%
2026-06-24	0.2500	0.2500	0.2100	0.2100	-19.231%	6	1,365	-80.952%
2026-06-23	0.2900	0.2900	0.2400	0.2600	-25.714%	8	1,371	-84.615%
2026-06-22	0.3500	0.3500	0.3500	0.3500	-22.222%	5	1,375	-88.571%
2026-06-18	0.5600	0.5600	0.4500	0.4500	+12.500%	3	1,380	-91.111%
2026-06-15	0.3900	0.4200	0.3900	0.4000	+2.564%	36	1,380	-90.000%
2026-06-12	0.3800	0.3900	0.3800	0.3900	+11.429%	11	1,389	-89.744%
2026-06-11	0.4100	0.4400	0.3500	0.3500	-14.634%	4	1,398	-88.571%
2026-06-09	0.4100	0.4100	0.4100	0.4100	+2.500%	4	1,397	-90.244%
2026-06-08	0.4100	0.4100	0.4000	0.4000	0.000%	8	1,399	-90.000%
2026-06-04	0.6500	0.6500	0.3600	0.4000	-38.462%	52	1,403	-90.000%
2026-06-01	0.9500	0.9500	0.5300	0.6500	+8.333%	8	1,448	-93.846%
2026-05-29	0.6000	0.6000	0.6000	0.6000	+39.535%	1	1,456	-93.333%
2026-05-22	0.4700	0.4700	0.4300	0.4300	-44.156%	4	1,456	-90.698%
2026-05-20	0.7700	0.7700	0.7600	0.7700	0.000%	9	1,460	-94.805%
2026-05-19	0.7800	0.7800	0.7700	0.7700	-19.792%	2	1,464	-94.805%
2026-05-12	0.9400	0.9600	0.9400	0.9600	-8.571%	3	1,464	-95.833%
2026-05-11	0.9200	1.0500	0.9100	1.0500	+5.000%	7	1,464	-96.190%
2026-05-06	0.9600	1.0000	0.9600	1.0000	0.000%	70	1,472	-96.000%
2026-05-05	1.0000	1.0000	1.0000	1.0000	-13.793%	1	1,415	-96.000%
2026-05-01	1.1600	1.1600	1.1600	1.1600	-17.143%	1	1,414	-96.552%
2026-04-30	1.3500	1.4000	1.3500	1.4000	-6.040%	4	1,414	-97.143%
2026-04-24	1.5000	1.5000	1.3300	1.4900	+14.615%	4	1,414	-97.315%
2026-04-23	1.3600	1.3600	1.3000	1.3000	-16.129%	3	1,415	-96.923%
2026-04-22	1.4700	1.6000	1.4700	1.5500	+8.392%	6	1,416	-97.419%
2026-04-21	1.2000	1.4800	1.2000	1.4300	+33.645%	55	1,411	-97.203%
2026-04-17	1.0700	1.0700	1.0700	1.0700	-18.321%	1	1,411	-96.262%
2026-04-16	1.3100	1.3100	1.3100	1.3100	+10.084%	2	1,410	-96.947%
2026-04-15	1.2100	1.2100	1.1900	1.1900	+4.386%	18	1,408	-96.639%
2026-04-13	1.1400	1.1400	1.1400	1.1400	+5.556%	1	1,397	-96.491%
2026-04-10	1.2000	1.2700	1.0700	1.0800	-11.475%	38	1,398	-96.296%
2026-04-08	1.2200	1.2200	1.2200	1.2200	-17.568%	12	1,422	-96.721%
2026-04-07	1.5500	1.5500	1.4500	1.4800	-4.516%	22	1,410	-97.297%
2026-03-31	1.5500	1.5500	1.5500	1.5500	-13.408%	47	1,399	-97.419%
2026-03-30	1.4800	1.7900	1.4800	1.7900	+13.291%	8	1,352	-97.765%
2026-03-27	1.5500	1.5800	1.5500	1.5800	+6.757%	188	1,347	-97.468%
2026-03-25	1.5400	1.5400	1.4800	1.4800	-19.126%	3	1,159	-97.297%
2026-03-24	1.8000	1.8300	1.8000	1.8300	-16.818%	2	1,156	-97.814%
2026-03-20	2.0000	2.2000	1.9600	2.2000	+11.111%	136	1,155	-98.182%
2026-03-19	1.9800	1.9800	1.9800	1.9800	+4.762%	1	1,085	-97.980%
2026-03-18	1.7300	2.0700	1.7300	1.8900	+0.532%	11	1,085	-97.884%
2026-03-16	1.9000	1.9000	1.8800	1.8800	-6.000%	3	1,078	-97.872%
2026-03-13	1.8500	2.0800	1.8500	2.0000	+1.010%	27	1,078	-98.000%
2026-03-12	1.9300	1.9800	1.8900	1.9800	+11.864%	63	1,058	-97.980%
2026-03-11	1.8600	1.8600	1.7700	1.7700	-13.659%	3	1,001	-97.740%
2026-03-09	2.1400	2.1400	2.0500	2.0500	-6.818%	3	999	-98.049%
2026-03-06	2.1200	2.2600	2.1200	2.2000	+8.911%	97	999	-98.182%
2026-03-05	1.7500	2.0200	1.7500	2.0200	+20.958%	32	936	-98.020%
2026-03-03	1.6100	1.7300	1.6100	1.6700	+4.375%	16	936	-97.605%
2026-02-27	1.4300	1.6000	1.3500	1.6000	+6.667%	73	924	-97.500%
2026-02-20	1.3900	1.5000	1.3900	1.5000	-1.961%	44	876	-97.333%
2026-02-19	1.3200	1.5300	1.3200	1.5300	0.000%	15	870	-97.386%
2026-02-18	1.4400	1.5300	1.4400	1.5300	+0.658%	19	861	-97.386%
2026-02-13	1.4300	1.5200	1.4300	1.5200	+11.765%	6	871	-97.368%
2026-02-06	1.3300	1.3600	1.3000	1.3600	-17.073%	15	871	-97.059%
2026-02-05	1.6400	1.6400	1.6400	1.6400	+31.200%	3	867	-97.561%
2026-02-04	1.2600	1.2600	1.2500	1.2500	-8.088%	652	867	-96.800%
2026-02-03	1.5000	1.5000	1.3600	1.3600	-19.048%	4	1,519	-97.059%
2026-02-02	1.8500	1.8500	1.6800	1.6800	-22.222%	3	1,522	-97.619%
2026-01-30	2.1800	2.1800	2.1600	2.1600	-8.085%	2	1,525	-98.148%
2026-01-29	2.3500	2.3500	2.3500	2.3500	+9.302%	1	1,524	-98.298%
2026-01-26	2.1500	2.1500	2.1500	2.1500	+3.365%	3	1,524	-98.140%
2026-01-22	2.0800	2.0800	2.0800	2.0800	-1.887%	2	1,522	-98.077%
2026-01-21	2.1200	2.1200	2.1200	2.1200	-10.169%	5	1,520	-98.113%
2026-01-13	2.3600	2.3600	2.3600	2.3600	+3.965%	1	1,525	-98.305%
2026-01-12	2.2700	2.2700	2.2700	2.2700	+8.612%	4	1,525	-98.238%
2026-01-07	2.0000	2.2600	2.0000	2.0900	-5.000%	3	1,525	-98.086%
2026-01-06	2.2000	2.2000	2.2000	2.2000	-13.386%	1	1,525	-98.182%
2026-01-05	2.4200	2.5400	2.3900	2.5400	-5.926%	11	1,524	-98.425%
2026-01-02	2.7000	2.7100	2.6200	2.7000	-1.818%	71	1,524	-98.519%
2025-12-31	2.7000	2.7500	2.7000	2.7500	+0.365%	7	1,526	-98.545%
2025-12-26	2.7400	2.7400	2.7400	2.7400	+5.385%	2	1,526	-98.540%
2025-12-24	2.6000	2.6000	2.6000	2.6000	-10.959%	10	1,518	-98.462%
2025-12-23	2.7500	2.9200	2.7500	2.9200	-0.680%	11	1,518	-98.630%
2025-12-22	2.9500	2.9500	2.9200	2.9400	-6.667%	16	1,519	-98.639%
2025-12-19	3.3500	3.4000	3.1500	3.1500	-11.268%	202	1,513	-98.730%
2025-12-18	3.6500	3.6500	3.5500	3.5500	-2.740%	15	1,427	-98.873%
2025-12-15	3.6500	3.6500	3.6500	3.6500	-3.947%	1	1,412	-98.904%
2025-12-12	3.9300	3.9300	3.7500	3.8000	-5.941%	145	1,414	-98.947%
2025-12-11	4.1500	4.2000	3.9500	4.0400	-9.213%	16	1,319	-99.010%
2025-12-09	4.3500	4.4500	4.3500	4.4500	+22.590%	3	1,323	-99.101%
2025-12-05	3.5100	3.6300	3.5100	3.6300	+3.125%	3	1,324	-98.898%
2025-12-04	3.3300	3.5200	3.3300	3.5200	-6.133%	7	1,327	-98.864%
2025-12-02	3.7500	3.7500	3.7500	3.7500	+5.634%	4	1,326	-98.933%
2025-12-01	3.5500	3.5500	3.5500	3.5500	+7.576%	1	1,330	-98.873%
2025-11-26	3.4500	3.4500	3.3000	3.3000	-4.348%	3	1,329	-98.788%
2025-11-25	3.5000	3.5000	3.4500	3.4500	-17.857%	3	1,329	-98.841%
2025-11-24	4.1000	4.2000	4.1000	4.2000	+10.236%	7	1,330	-99.048%
2025-11-21	4.9500	4.9500	3.8100	3.8100	-30.092%	660	1,328	-98.950%
2025-11-20	5.1800	5.4500	5.1800	5.4500	+4.808%	105	678	-99.266%
2025-11-19	5.1500	5.2000	5.1500	5.2000	-9.565%	3	642	-99.231%
2025-11-17	5.7500	5.7500	5.3000	5.7500	-0.862%	8	641	-99.304%
2025-11-13	5.8000	5.8000	5.8000	5.8000	-7.200%	2	638	-99.310%
2025-11-12	6.4100	6.4100	5.7200	6.2500	-26.471%	34	638	-99.360%
2025-11-10	8.3000	8.5000	8.3000	8.5000	+1.190%	3	637	-99.529%
2025-11-07	8.4500	8.4500	8.4000	8.4000	-3.448%	3	634	-99.524%
2025-11-06	8.7000	8.7000	8.7000	8.7000	-2.247%	10	631	-99.540%
2025-11-05	9.3500	9.4000	8.9000	8.9000	-3.784%	38	621	-99.551%
2025-11-04	9.1500	9.2500	9.1500	9.2500	-2.632%	19	586	-99.568%
2025-11-03	9.0500	9.5000	8.8300	9.5000	+12.426%	20	588	-99.579%
2025-10-31	8.5000	8.5000	8.4500	8.4500	+1.807%	4	588	-99.527%
2025-10-30	8.8200	9.0000	7.7000	8.3000	+1.840%	35	584	-99.518%
2025-10-29	7.8500	8.2000	7.5500	8.1500	+6.536%	23	571	-99.509%
2025-10-28	7.8500	7.8500	7.6500	7.6500	+3.659%	206	556	-99.477%
2025-10-27	7.9000	7.9000	7.3800	7.3800	-3.529%	4	493	-99.458%
2025-10-24	7.8500	7.8500	7.6500	7.6500	-4.969%	4	493	-99.477%
2025-10-23	7.9000	8.0500	7.9000	8.0500	+5.921%	3	492	-99.503%
2025-10-22	8.0500	8.0500	7.6000	7.6000	-6.748%	4	489	-99.474%
2025-10-21	8.1500	8.1500	8.1500	8.1500	+1.242%	2	486	-99.509%
2025-10-20	8.3400	8.3400	8.0500	8.0500	-8.523%	19	486	-99.503%
2025-10-16	8.8000	8.8000	8.8000	8.8000	-5.579%	1	498	-99.545%
2025-10-14	9.0000	9.3200	9.0000	9.3200	+5.311%	4	497	-99.571%
2025-10-13	8.8000	8.8500	8.8000	8.8500	+8.589%	3	495	-99.548%
2025-10-10	8.2500	8.2500	8.1500	8.1500	+1.242%	3	494	-99.509%
2025-10-09	8.0500	8.0500	8.0500	8.0500	0.000%	2	491	-99.503%
2025-10-08	8.0500	8.0500	8.0500	8.0500	+5.229%	3	489	-99.503%
2025-10-07	7.8000	7.8000	7.6500	7.6500	+6.250%	4	486	-99.477%
2025-10-06	7.1500	7.2000	7.1500	7.2000	+2.128%	4	486	-99.444%
2025-10-03	7.1000	7.1000	7.0500	7.0500	+2.174%	106	483	-99.433%
2025-10-02	6.9000	6.9000	6.9000	6.9000	+0.145%	1	465	-99.420%
2025-10-01	6.8900	6.8900	6.8900	6.8900	-30.404%	1	466	-99.419%
2025-09-30	11.1200	11.1200	9.9000	9.9000	-16.456%	28	467	-99.596%
2025-09-25	11.9000	11.9000	11.8500	11.8500	+15.049%	3	462	-99.662%
2025-09-22	10.7000	10.7000	10.3000	10.3000	-2.647%	65	460	-99.612%
2025-09-18	10.5800	10.5800	10.5800	10.5800	-2.037%	5	453	-99.622%
2025-09-17	10.4200	10.8000	10.4200	10.8000	+0.465%	11	448	-99.630%
2025-09-15	10.7500	10.7500	10.7500	10.7500	+6.647%	10	458	-99.628%
2025-09-12	9.7300	10.2000	9.6900	10.0800	+6.105%	114	458	-99.603%
2025-09-10	9.4500	9.5500	9.4500	9.5000	+0.529%	5	413	-99.579%
2025-09-09	9.7000	9.7000	9.4500	9.4500	-5.025%	200	418	-99.577%
2025-09-08	10.1000	10.1000	9.8000	9.9500	+5.851%	3	231	-99.598%
2025-09-03	9.4000	9.4000	9.4000	9.4000	-0.424%	10	229	-99.574%
2025-09-02	9.4400	9.4400	9.4400	9.4400	+2.609%	2	219	-99.576%
2025-08-26	8.5200	9.2000	8.5200	9.2000	+3.955%	2	220	-99.565%
2025-08-25	8.9500	8.9500	8.8500	8.8500	+4.734%	2	220	-99.548%
2025-08-22	8.3000	8.8800	8.3000	8.4500	-4.520%	8	218	-99.527%
2025-08-21	8.7500	8.8500	8.5000	8.8500	-4.839%	14	214	-99.548%
2025-08-19	9.0000	9.3000	9.0000	9.3000	-4.615%	11	200	-99.570%
2025-08-18	9.3200	9.7500	9.3200	9.7500	-7.583%	20	190	-99.590%
2025-08-14	10.5500	10.5500	10.5500	10.5500	-2.765%	28	171	-99.621%
2025-08-13	10.8500	10.8500	10.8500	10.8500	-9.205%	28	153	-99.631%
2025-08-12	11.7000	11.9500	11.7000	11.9500	0.000%	34	139	-99.665%
2025-08-11	12.0000	12.0000	11.9500	11.9500	+3.463%	12	139	-99.665%
2025-08-08	11.5500	11.5500	11.5500	11.5500	-2.614%	1	139	-99.654%
2025-08-07	11.8500	11.8600	11.8500	11.8600	+3.400%	2	138	-99.663%
2025-08-05	11.4700	11.4700	11.4700	11.4700	-8.240%	1	136	-99.651%
2025-07-31	12.5000	12.5000	12.5000	12.5000	+20.192%	4	136	-99.680%
2025-07-30	10.1000	10.4500	10.1000	10.4000	+5.157%	25	132	-99.615%
2025-07-28	9.9500	9.9500	9.8900	9.8900	-1.100%	9	129	-99.596%
2025-07-25	10.2000	10.2000	10.0000	10.0000	-3.382%	85	129	-99.600%
2025-07-24	10.3500	10.3500	10.3500	10.3500	-10.467%	2	44	-99.614%
2025-07-22	11.6000	11.6000	11.5600	11.5600	-6.016%	2	42	-99.654%
2025-07-18	12.3000	12.3000	12.3000	12.3000	+4.237%	2	43	-99.675%
2025-07-14	11.8000	11.8000	11.8000	11.8000	+16.256%	4	41	-99.661%
2025-07-10	10.2000	10.2000	10.1500	10.1500	-16.116%	10	41	-99.606%
2025-07-07	12.0000	12.2000	12.0000	12.1000	+0.833%	25	35	-99.669%
2025-07-03	12.0000	12.0000	12.0000	12.0000	+1.695%	5	17	-99.667%
2025-07-01	12.5500	12.5500	11.2900	11.8000	-11.278%	15	17	-99.661%
2025-06-23	13.3000	13.3000	13.3000	13.3000	+2.703%	1	3	-99.699%
2025-06-12	13.0800	13.0800	12.9500	12.9500	-10.874%	2	3	-99.691%
2025-06-06	14.5300	14.5300	14.5300	14.5300	-9.583%	2	2	-99.725%
2025-06-02	16.0700	16.0700	16.0700	16.0700	0.000%	1	1	-99.751%