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MRK20261218C140
MRK Dec 18 2026 140.00 Call (MRK261218C00140000)
option OPRA

EOD

Jul 21, 2026

4.98+5.957%(+0.28)201

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-21	4.6500	4.9800	4.6500	4.9800	+5.957%	201	2,431	0.000%
2026-07-20	5.4300	5.4300	4.7000	4.7000	-16.814%	26	2,317	+5.957%
2026-07-17	7.0800	7.0800	5.5000	5.6500	+0.893%	11	2,306	-11.858%
2026-07-16	5.1200	6.0500	5.1200	5.6000	+34.940%	12	2,304	-11.071%
2026-07-15	4.9000	4.9000	4.1500	4.1500	+16.901%	21	2,306	+20.000%
2026-07-14	3.6500	3.7000	3.4600	3.5500	-21.111%	53	2,304	+40.282%
2026-07-13	4.3000	4.5000	4.3000	4.5000	+4.651%	36	2,278	+10.667%
2026-07-10	4.7900	4.7900	4.2500	4.3000	-12.245%	16	2,277	+15.814%
2026-07-09	5.3000	5.3000	4.9000	4.9000	-11.712%	9	2,275	+1.633%
2026-07-08	5.2300	5.5500	5.1500	5.5500	-10.194%	8	2,275	-10.270%
2026-07-07	6.3900	6.5200	6.1800	6.1800	+10.555%	18	2,275	-19.417%
2026-07-06	5.9300	5.9300	5.3600	5.5900	-9.839%	11	2,259	-10.912%
2026-07-02	6.1000	6.5000	5.8900	6.2000	+14.815%	12	2,248	-19.677%
2026-07-01	5.7500	5.7500	5.4000	5.4000	-12.195%	15	2,248	-7.778%
2026-06-30	5.9000	6.3500	5.9000	6.1500	-6.107%	63	2,239	-19.024%
2026-06-29	5.6500	6.5500	5.6500	6.5500	+11.966%	19	2,195	-23.969%
2026-06-26	6.0000	6.4400	5.2500	5.8500	+11.429%	133	2,188	-14.872%
2026-06-25	4.5000	5.4600	4.5000	5.2500	+32.911%	87	2,144	-5.143%
2026-06-24	3.7000	3.9500	3.4400	3.9500	+12.857%	13	2,114	+26.076%
2026-06-23	2.6500	3.5000	2.6500	3.5000	+40.000%	18	2,112	+42.286%
2026-06-22	2.3000	2.6200	2.3000	2.5000	+10.619%	40	2,108	+99.200%
2026-06-18	2.3600	2.3800	2.1600	2.2600	-18.705%	15	2,098	+120.354%
2026-06-17	2.5800	2.7800	2.5800	2.7800	-5.442%	4	2,098	+79.137%
2026-06-15	2.9000	2.9500	2.7800	2.9400	-22.632%	86	2,098	+69.388%
2026-06-12	3.9500	4.0000	3.8000	3.8000	-14.607%	4	2,049	+31.053%
2026-06-11	4.4500	4.4500	4.4500	4.4500	+23.611%	1	2,045	+11.910%
2026-06-10	3.5500	3.6000	3.5500	3.6000	-14.286%	4	2,044	+38.333%
2026-06-09	4.0600	4.2000	3.9500	4.2000	+2.439%	4	2,047	+18.571%
2026-06-08	4.5700	4.5700	4.1000	4.1000	-10.870%	2	2,048	+21.463%
2026-06-05	5.1000	5.1000	4.6000	4.6000	+19.481%	11	2,047	+8.261%
2026-06-04	3.8000	3.9000	3.8000	3.8500	+34.615%	25	2,039	+29.351%
2026-06-03	3.0000	3.0000	2.8600	2.8600	-10.625%	8	2,054	+74.126%
2026-06-02	3.0000	3.2000	2.9900	3.2000	+4.918%	33	2,050	+55.625%
2026-06-01	2.7800	3.0500	2.7800	3.0500	-17.568%	13	2,041	+63.279%
2026-05-29	4.0000	4.0000	3.6000	3.7000	-10.843%	10	2,054	+34.595%
2026-05-28	4.1500	4.1500	4.1500	4.1500	-5.682%	1	2,055	+20.000%
2026-05-27	4.4000	4.4000	4.4000	4.4000	-4.348%	25	2,055	+13.182%
2026-05-26	4.5300	4.6000	4.4500	4.6000	+3.371%	10	2,037	+8.261%
2026-05-22	4.4500	4.6500	4.4400	4.4500	+83.884%	9	2,028	+11.910%
2026-05-20	2.6500	2.6500	2.4200	2.4200	-7.280%	4	2,023	+105.785%
2026-05-19	2.6300	2.6300	2.6100	2.6100	+16.000%	17	2,002	+90.805%
2026-05-18	2.2500	2.2500	2.2500	2.2500	-10.000%	1	2,002	+121.333%
2026-05-12	2.5500	2.5500	2.3900	2.5000	+7.759%	6	2,002	+99.200%
2026-05-08	2.3200	2.3200	2.3200	2.3200	-10.425%	1	2,004	+114.655%
2026-05-06	2.5900	2.5900	2.5900	2.5900	+3.600%	3	2,004	+92.278%
2026-05-01	2.7000	2.7000	2.5000	2.5000	+11.111%	13	2,003	+99.200%
2026-04-30	2.4100	2.4200	2.2400	2.2500	-11.765%	60	2,003	+121.333%
2026-04-29	2.3100	2.5600	2.3100	2.5500	-4.494%	54	2,016	+95.294%
2026-04-28	2.6700	2.6700	2.6700	2.6700	+1.908%	2	2,070	+86.517%
2026-04-24	2.6200	2.6200	2.6200	2.6200	-22.255%	1	2,068	+90.076%
2026-04-23	3.2400	3.3800	3.2400	3.3700	+13.851%	6	2,068	+47.774%
2026-04-21	2.9600	2.9600	2.9600	2.9600	-27.273%	1	2,061	+68.243%
2026-04-20	4.2000	4.2500	4.0700	4.0700	+0.246%	21	2,061	+22.359%
2026-04-17	3.8000	4.2500	3.8000	4.0600	+1.500%	6	2,040	+22.660%
2026-04-15	4.2500	4.2500	4.0000	4.0000	-14.894%	4	2,045	+24.500%
2026-04-14	4.8400	4.8400	4.7000	4.7000	-27.692%	5	2,041	+5.957%
2026-04-08	6.2700	6.5000	6.2700	6.5000	+28.713%	2	2,042	-23.385%
2026-04-07	4.8000	5.0500	4.8000	5.0500	-15.126%	2	2,043	-1.386%
2026-04-02	5.6700	5.9500	5.6700	5.9500	-0.833%	7	2,044	-16.303%
2026-04-01	6.0000	6.0000	6.0000	6.0000	+8.108%	8	2,044	-17.000%
2026-03-31	6.0000	6.0000	5.5000	5.5500	+6.731%	22	2,044	-10.270%
2026-03-30	5.3000	5.4000	5.2000	5.2000	-16.129%	16	2,022	-4.231%
2026-03-27	6.2000	6.2000	6.2000	6.2000	+11.712%	5	2,012	-19.677%
2026-03-26	5.6000	5.6500	5.5500	5.5500	+4.717%	212	2,012	-10.270%
2026-03-25	5.0000	5.3000	5.0000	5.3000	+13.978%	1,249	1,815	-6.038%
2026-03-24	4.5500	4.6500	4.5500	4.6500	+5.682%	9	691	+7.097%
2026-03-19	4.3200	4.4000	4.3200	4.4000	-2.222%	6	686	+13.182%
2026-03-17	4.6000	4.6800	4.4500	4.5000	-2.174%	27	686	+10.667%
2026-03-16	4.6000	4.6000	4.6000	4.6000	-9.804%	1	686	+8.261%
2026-03-13	5.1000	5.1000	5.1000	5.1000	+8.511%	5	686	-2.353%
2026-03-11	4.7000	4.7500	4.7000	4.7000	-1.053%	7	691	+5.957%
2026-03-09	4.8000	4.8000	4.7500	4.7500	+5.556%	18	686	+4.842%
2026-03-05	4.8300	4.8300	4.5000	4.5000	-32.127%	7	683	+10.667%
2026-02-27	6.6300	6.6300	6.6300	6.6300	+20.545%	1	682	-24.887%
2026-02-26	5.5000	5.5000	5.5000	5.5000	-18.519%	7	683	-9.455%
2026-02-20	6.7500	6.7500	6.7500	6.7500	+3.053%	1	676	-26.222%
2026-02-17	6.5500	6.5500	6.5500	6.5500	0.000%	1	675	-23.969%
2026-02-13	6.6000	6.6400	6.5500	6.5500	+31.000%	31	649	-23.969%
2026-02-10	5.0000	5.0000	5.0000	5.0000	-1.961%	6	649	-0.400%
2026-02-09	5.4400	5.4400	5.1000	5.1000	-17.742%	11	645	-2.353%
2026-02-06	6.2000	6.2000	6.2000	6.2000	-6.767%	1	649	-19.677%
2026-02-05	6.0000	6.6500	6.0000	6.6500	+20.909%	7	649	-25.113%
2026-02-04	4.6500	5.5800	4.6500	5.5000	+22.222%	97	648	-9.455%
2026-02-03	4.5700	4.5700	3.6500	4.5000	+47.541%	128	640	+10.667%
2026-02-02	3.0500	3.0500	3.0500	3.0500	+6.643%	5	742	+63.279%
2026-01-30	2.8600	2.8600	2.8600	2.8600	+30.000%	2	737	+74.126%
2026-01-29	2.2000	2.2000	2.2000	2.2000	-18.216%	12	735	+126.364%
2026-01-22	2.7000	2.7000	2.6900	2.6900	-18.485%	20	725	+85.130%
2026-01-21	3.1800	3.3000	3.1800	3.3000	+18.705%	3	735	+50.909%
2026-01-15	2.7800	2.7800	2.7800	2.7800	-8.852%	2	733	+79.137%
2026-01-14	3.0500	3.0500	3.0500	3.0500	-3.175%	1	733	+63.279%
2026-01-09	3.1500	3.1500	3.1500	3.1500	+1.613%	4	734	+58.095%
2026-01-08	3.1800	3.1800	3.1000	3.1000	+4.027%	3	730	+60.645%
2026-01-07	3.2900	3.2900	2.9800	2.9800	+0.337%	37	729	+67.114%
2026-01-06	3.0000	3.0000	2.9400	2.9700	+26.383%	12	705	+67.677%
2026-01-05	2.3500	2.3500	2.3500	2.3500	+6.335%	3	703	+111.915%
2026-01-02	2.2100	2.2100	2.2100	2.2100	-7.531%	6	703	+125.339%
2025-12-23	2.3900	2.3900	2.3900	2.3900	+4.367%	6	697	+108.368%
2025-12-22	2.0000	2.2900	2.0000	2.2900	+30.857%	6	691	+117.467%
2025-12-15	1.7500	1.7500	1.7500	1.7500	+9.375%	3	687	+184.571%
2025-12-12	1.5900	1.6000	1.5600	1.6000	+6.667%	61	684	+211.250%
2025-12-11	1.5000	1.5000	1.5000	1.5000	+16.279%	33	625	+232.000%
2025-12-09	1.2900	1.2900	1.2900	1.2900	-14.000%	5	592	+286.047%
2025-12-08	1.5000	1.5000	1.5000	1.5000	+4.167%	1	597	+232.000%
2025-12-05	1.8600	1.8600	1.4400	1.4400	-20.000%	33	598	+245.833%
2025-12-02	1.6800	1.8000	1.6800	1.8000	-35.714%	4	600	+176.667%
2025-11-26	2.7600	2.9100	2.7600	2.8000	+6.464%	265	431	+77.857%
2025-11-25	1.5600	2.6300	1.5600	2.6300	+64.375%	25	431	+89.354%
2025-11-21	1.4400	1.6000	1.4400	1.6000	0.000%	7	449	+211.250%
2025-11-19	1.6000	1.6000	1.6000	1.6000	-5.882%	15	448	+211.250%
2025-11-18	1.6300	1.9300	1.6300	1.7000	+28.788%	228	448	+192.941%
2025-11-17	1.2500	1.3300	0.9500	1.3200	+32.000%	105	450	+277.273%
2025-11-12	1.0000	1.0000	1.0000	1.0000	+25.000%	5	534	+398.000%
2025-11-11	0.8000	0.8000	0.8000	0.8000	+23.077%	13	534	+522.500%
2025-11-07	0.7000	0.7000	0.6500	0.6500	+47.727%	15	521	+666.154%
2025-11-04	0.4600	0.4600	0.4400	0.4400	-40.541%	4	521	+1,031.818%
2025-10-22	0.7400	0.7400	0.7400	0.7400	+19.355%	11	519	+572.973%
2025-10-21	0.6200	0.6200	0.6200	0.6200	0.000%	1	519	+703.226%
2025-10-16	0.6200	0.6200	0.6200	0.6200	-7.463%	2	518	+703.226%
2025-10-14	0.6700	0.6700	0.6700	0.6700	+8.065%	11	518	+643.284%
2025-10-13	0.7400	0.7400	0.6200	0.6200	-10.145%	4	518	+703.226%
2025-10-10	0.7000	0.7000	0.6900	0.6900	-16.867%	3	518	+621.739%
2025-10-02	0.8600	0.8600	0.8000	0.8300	+186.207%	21	518	+500.000%
2025-09-29	0.2900	0.2900	0.2900	0.2900	-14.706%	1	517	+1,617.241%
2025-09-26	0.3400	0.3400	0.3400	0.3400	-17.073%	1	517	+1,364.706%
2025-09-18	0.4100	0.4100	0.4100	0.4100	-6.818%	1	517	+1,114.634%
2025-09-05	0.4100	0.4800	0.4100	0.4400	-27.869%	10	517	+1,031.818%
2025-09-03	0.6100	0.6100	0.6100	0.6100	+22.000%	1	511	+716.393%
2025-08-25	0.5000	0.5000	0.5000	0.5000	+16.279%	1	511	+896.000%
2025-07-21	0.4300	0.4300	0.4300	0.4300	-54.737%	4	511	+1,058.140%
2025-07-10	0.9500	0.9500	0.9500	0.9500	-1.042%	1	507	+424.211%
2025-07-09	0.9600	0.9600	0.9600	0.9600	+18.519%	2	508	+418.750%
2025-07-01	0.8100	0.8100	0.8100	0.8100	-23.585%	2	510	+514.815%
2025-06-10	1.0500	1.0600	1.0500	1.0600	+23.256%	10	508	+369.811%
2025-06-09	2.4900	2.4900	0.8600	0.8600	-2.273%	22	518	+479.070%
2025-05-19	0.8800	0.8800	0.8800	0.8800	-12.000%	1	540	+465.909%
2025-05-06	1.0000	1.0000	1.0000	1.0000	-29.078%	6	541	+398.000%
2025-04-29	1.4100	1.4100	1.4100	1.4100	+4.444%	1	547	+253.191%
2025-04-28	1.3500	1.3500	1.3500	1.3500	+17.391%	1	546	+268.889%
2025-04-25	1.1000	1.1500	1.1000	1.1500	-3.361%	8	545	+333.043%
2025-04-15	1.1900	1.1900	1.1900	1.1900	+35.227%	1	541	+318.487%
2025-04-10	0.8800	0.8800	0.8800	0.8800	-42.484%	1	542	+465.909%
2025-03-26	1.5300	1.5300	1.5300	1.5300	-34.335%	4	543	+225.490%
2025-03-19	2.3300	2.3300	2.3300	2.3300	-2.917%	16	547	+113.734%
2025-03-18	2.1900	2.4000	2.1900	2.4000	+3.004%	2	563	+107.500%
2025-03-14	2.1600	2.3300	2.1600	2.3300	-7.540%	4	563	+113.734%
2025-03-11	2.4400	2.5200	2.4400	2.5200	+1.613%	2	563	+97.619%
2025-03-07	2.4300	2.4800	2.4300	2.4800	+1.639%	4	563	+100.806%
2025-03-04	4.9500	4.9500	2.4400	2.4400	+28.421%	22	563	+104.098%
2025-02-28	1.7700	1.9000	1.7700	1.9000	+8.571%	4	585	+162.105%
2025-02-27	1.6700	1.7500	1.6700	1.7500	-3.315%	2	585	+184.571%
2025-02-26	1.8100	1.8100	1.8100	1.8100	-9.950%	10	585	+175.138%
2025-02-24	2.0100	2.0300	1.9200	2.0100	+41.549%	12	585	+147.761%
2025-02-20	1.8000	1.8300	1.3500	1.4200	+43.434%	122	591	+250.704%
2025-02-14	0.9900	0.9900	0.9900	0.9900	-22.656%	2	712	+403.030%
2025-02-13	1.5800	1.7800	1.2800	1.2800	+6.667%	313	712	+289.063%
2025-02-12	1.0500	1.8100	1.0500	1.2000	+10.092%	382	411	+315.000%
2025-02-10	1.0900	1.0900	1.0900	1.0900	-41.081%	1	86	+356.881%
2025-02-04	2.2400	2.2400	1.8500	1.8500	-35.764%	2	86	+169.189%
2025-02-03	2.6900	2.8800	2.6900	2.8800	+15.200%	2	86	+72.917%
2025-01-30	2.3500	2.5000	2.3500	2.5000	-0.794%	2	85	+99.200%
2025-01-29	2.3400	2.5200	2.3400	2.5200	+3.704%	2	85	+97.619%
2025-01-27	2.4300	2.4300	2.4300	2.4300	+11.982%	1	85	+104.938%
2025-01-22	2.1700	2.1700	2.1700	2.1700	-25.430%	12	86	+129.493%
2025-01-16	2.7700	2.9100	2.7700	2.9100	+3.191%	2	77	+71.134%
2025-01-15	2.6200	2.8200	2.6200	2.8200	-3.425%	2	77	+76.596%
2025-01-02	2.9200	2.9200	2.9200	2.9200	-4.262%	3	76	+70.548%
2024-12-27	3.0500	3.0500	3.0500	3.0500	+22.000%	6	79	+63.279%
2024-11-20	2.5400	2.5400	2.5000	2.5000	-6.716%	2	79	+99.200%
2024-11-15	2.6800	2.6800	2.6800	2.6800	+3.077%	2	81	+85.821%
2024-11-13	2.6000	2.6000	2.6000	2.6000	-17.460%	4	82	+91.538%
2024-11-08	3.1500	3.1500	3.1500	3.1500	-2.174%	10	86	+58.095%
2024-11-06	3.0000	3.2200	3.0000	3.2200	-15.927%	2	86	+54.658%
2024-10-28	3.8300	3.8300	3.8300	3.8300	+0.789%	18	87	+30.026%
2024-10-25	3.8000	3.8000	3.8000	3.8000	-18.280%	2	87	+31.053%
2024-10-21	4.6500	4.6500	4.6500	4.6500	-13.889%	1	86	+7.097%
2024-10-16	5.4000	5.4000	5.4000	5.4000	+5.882%	1	85	-7.778%
2024-10-07	5.2500	5.2500	5.1000	5.1000	-7.776%	11	84	-2.353%
2024-10-04	5.5300	5.5300	5.5300	5.5300	-10.518%	2	74	-9.946%
2024-09-26	6.1800	6.1800	6.1800	6.1800	-1.120%	1	74	-19.417%
2024-08-16	6.2500	6.2500	6.2500	6.2500	-6.716%	2	75	-20.320%
2024-08-15	6.7000	6.7000	6.7000	6.7000	-8.219%	1	74	-25.672%
2024-08-13	7.3000	7.3000	7.3000	7.3000	+0.690%	1	73	-31.781%
2024-08-08	7.0000	7.3500	7.0000	7.2500	+15.630%	13	72	-31.310%
2024-08-07	6.5000	6.5000	6.2700	6.2700	-15.156%	10	60	-20.574%
2024-07-31	7.5000	7.5000	7.3900	7.3900	-5.256%	6	55	-32.612%
2024-07-30	9.8000	9.8000	7.2000	7.8000	-40.000%	24	50	-36.154%
2024-07-24	13.0000	13.0000	13.0000	13.0000	-3.704%	10	51	-61.692%
2024-07-10	13.3800	13.5000	13.3800	13.5000	+3.687%	9	61	-63.111%
2024-07-03	13.0200	13.0200	13.0200	13.0200	-2.691%	1	59	-61.751%
2024-06-18	13.3800	13.3800	13.3800	13.3800	-14.010%	15	60	-62.780%
2024-06-07	15.4600	15.5600	15.4600	15.5600	+5.850%	8	60	-67.995%
2024-06-06	14.7000	14.7000	14.7000	14.7000	+9.948%	7	63	-66.122%
2024-05-28	13.3700	13.3700	13.3700	13.3700	-14.019%	1	56	-62.752%
2024-05-24	15.4000	15.5500	15.4000	15.5500	-6.156%	10	50	-67.974%
2024-05-21	16.5700	16.5700	16.5700	16.5700	+13.260%	1	50	-69.946%
2024-05-03	14.6300	14.6300	14.6300	14.6300	-7.813%	6	49	-65.960%
2024-05-01	15.8700	15.8700	15.8700	15.8700	-6.206%	1	46	-68.620%
2024-04-25	16.9200	16.9200	16.9200	16.9200	+18.654%	15	46	-70.567%
2024-04-12	14.2600	14.2600	14.2600	14.2600	-1.655%	2	31	-65.077%
2024-04-11	14.5000	14.5000	14.5000	14.5000	0.000%	30	30	-65.655%