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MRK20261218C155
MRK Dec 18 2026 155.00 Call (MRK261218C00155000)
option OPRA

EOD

Sep 3, 2026

9.30+3.911%(+0.35)11

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-03	9.2500	9.4500	8.5000	9.3000	+3.911%	11	3,039	0.000%
2026-09-02	8.6300	9.1300	8.6000	8.9500	+14.744%	179	3,042	+3.911%
2026-09-01	8.5100	8.8000	7.6700	7.8000	0.000%	36	3,180	+19.231%
2026-08-31	7.1500	7.8000	7.1100	7.8000	+2.632%	7	3,148	+19.231%
2026-08-28	7.9000	7.9000	7.2800	7.6000	-12.644%	104	3,145	+22.368%
2026-08-27	9.6000	9.8000	8.7000	8.7000	-14.706%	208	3,146	+6.897%
2026-08-26	11.6500	11.7700	10.2000	10.2000	-18.400%	1,138	3,099	-8.824%
2026-08-25	10.5500	12.5000	10.5500	12.5000	+32.979%	27	2,203	-25.600%
2026-08-24	9.3500	9.4000	8.9500	9.4000	-10.476%	114	2,196	-1.064%
2026-08-21	11.5500	11.7400	9.9200	10.5000	+12.299%	134	2,097	-11.429%
2026-08-20	10.2000	10.2000	9.3500	9.3500	-17.621%	31	2,090	-0.535%
2026-08-19	6.2500	11.6000	6.2500	11.3500	+295.470%	277	2,070	-18.062%
2026-08-14	2.5600	2.8700	2.5600	2.8700	-3.041%	5	2,025	+224.042%
2026-08-13	2.8900	2.9600	2.7200	2.9600	+16.078%	4	2,024	+214.189%
2026-08-12	2.3400	2.6600	2.2100	2.5500	+22.596%	42	2,021	+264.706%
2026-08-11	1.9800	2.3000	1.9800	2.0800	+0.483%	40	2,039	+347.115%
2026-08-10	1.8100	2.0700	1.8100	2.0700	+16.292%	2	2,009	+349.275%
2026-08-07	1.5500	1.7800	1.5500	1.7800	-2.198%	62	2,009	+422.472%
2026-08-06	1.9800	1.9800	1.8200	1.8200	-3.704%	68	2,069	+410.989%
2026-08-05	1.8900	1.8900	1.8900	1.8900	-6.897%	1	2,013	+392.063%
2026-08-04	2.0600	2.0600	2.0300	2.0300	-3.333%	26	2,013	+358.128%
2026-08-03	2.0400	2.1000	1.9200	2.1000	-17.647%	6	2,027	+342.857%
2026-07-31	2.6500	2.6500	2.5500	2.5500	+8.051%	4	2,027	+264.706%
2026-07-30	2.2700	2.3600	2.2700	2.3600	-27.829%	2	2,027	+294.068%
2026-07-28	3.5000	3.5000	3.2700	3.2700	+21.561%	7	2,028	+184.404%
2026-07-27	2.8400	2.8400	2.6900	2.6900	-3.584%	30	2,025	+245.725%
2026-07-24	2.8600	2.8600	2.7900	2.7900	-4.778%	11	2,025	+233.333%
2026-07-23	2.8800	2.9300	2.7900	2.9300	+18.145%	55	2,015	+217.406%
2026-07-22	2.4800	2.4800	2.4800	2.4800	+52.147%	1	1,982	+275.000%
2026-07-21	1.8200	1.8200	1.6300	1.6300	-46.557%	16	1,981	+470.552%
2026-07-17	2.6700	3.0500	2.6700	3.0500	+22.984%	17	1,980	+204.918%
2026-07-16	2.1000	2.4800	2.1000	2.4800	+41.714%	12	1,967	+275.000%
2026-07-15	1.8300	1.9200	1.7100	1.7500	+25.000%	15	1,977	+431.429%
2026-07-14	1.3100	1.4800	1.3100	1.4000	-20.000%	29	1,964	+564.286%
2026-07-13	1.7600	1.7600	1.7500	1.7500	0.000%	7	1,959	+431.429%
2026-07-10	2.0000	2.0300	1.7500	1.7500	-18.224%	37	1,954	+431.429%
2026-07-09	2.2100	2.2400	2.1400	2.1400	-13.360%	6	1,953	+334.579%
2026-07-08	2.5200	2.5200	2.2600	2.4700	-17.667%	89	1,952	+276.518%
2026-07-07	3.0000	3.0000	3.0000	3.0000	+30.435%	8	1,976	+210.000%
2026-07-06	2.9000	2.9000	2.3000	2.3000	-20.690%	10	1,980	+304.348%
2026-07-02	2.9000	2.9000	2.9000	2.9000	-2.027%	1	1,985	+220.690%
2026-06-29	2.5700	2.9600	2.5700	2.9600	+8.029%	3	1,985	+214.189%
2026-06-26	2.7000	2.7400	2.7000	2.7400	+29.245%	31	1,985	+239.416%
2026-06-25	2.1200	2.1200	2.1200	2.1200	+63.077%	1	1,984	+338.679%
2026-06-23	1.3000	1.3000	1.3000	1.3000	+23.810%	13	1,984	+615.385%
2026-06-22	1.0500	1.0500	1.0500	1.0500	-5.405%	4	1,984	+785.714%
2026-06-16	1.0400	1.1100	1.0400	1.1100	-42.188%	6	1,984	+737.838%
2026-06-11	1.8900	1.9500	1.8900	1.9200	+9.091%	10	1,984	+384.375%
2026-06-10	1.7600	1.7600	1.7600	1.7600	+3.529%	1	1,984	+428.409%
2026-06-08	1.7000	1.7000	1.7000	1.7000	+3.659%	14	1,983	+447.059%
2026-06-04	1.6400	1.6400	1.6400	1.6400	-17.172%	1	1,983	+467.073%
2026-05-26	2.2000	2.2000	1.9200	1.9800	+7.027%	9	1,983	+369.697%
2026-05-22	1.8500	1.8500	1.8500	1.8500	+54.167%	2	1,985	+402.703%
2026-05-01	1.1400	1.2000	1.1400	1.2000	+27.660%	69	2,053	+675.000%
2026-04-30	1.0400	1.0400	0.9400	0.9400	-6.000%	7	2,053	+889.362%
2026-04-29	1.0000	1.0000	1.0000	1.0000	-9.091%	1	2,053	+830.000%
2026-04-28	1.0000	1.2000	1.0000	1.1000	-8.333%	6	2,054	+745.455%
2026-04-27	1.2000	1.2000	1.2000	1.2000	-6.250%	27	2,053	+675.000%
2026-04-22	1.3000	1.3000	1.2800	1.2800	-2.290%	30	2,080	+626.563%
2026-04-21	1.3900	1.3900	1.3100	1.3100	-26.404%	100	2,144	+609.924%
2026-04-20	1.7500	1.8500	1.7500	1.7800	+7.879%	24	2,144	+422.472%
2026-04-17	1.8000	1.8000	1.6500	1.6500	-32.927%	2	2,157	+463.636%
2026-04-13	2.6200	2.6200	2.4600	2.4600	-8.889%	73	2,157	+278.049%
2026-04-09	2.7000	2.7000	2.7000	2.7000	-11.475%	1	2,157	+244.444%
2026-04-08	2.9200	3.1300	2.8200	3.0500	+16.412%	57	2,158	+204.918%
2026-04-06	2.6200	2.6200	2.6200	2.6200	-15.484%	30	2,141	+254.962%
2026-03-31	3.1000	3.1000	3.1000	3.1000	0.000%	1	2,171	+200.000%
2026-03-27	3.1000	3.1000	3.1000	3.1000	+46.226%	1	2,171	+200.000%
2026-03-24	2.1000	2.1200	2.1000	2.1200	-15.200%	4	2,170	+338.679%
2026-03-10	2.5000	2.5000	2.5000	2.5000	+7.759%	30	2,170	+272.000%
2026-03-06	2.3200	2.3200	2.3200	2.3200	-3.333%	5	2,170	+300.862%
2026-03-05	2.4000	2.4000	2.4000	2.4000	-33.333%	30	2,170	+287.500%
2026-02-27	3.2500	3.6000	3.2500	3.6000	+18.033%	105	2,140	+158.333%
2026-02-18	3.3000	3.3000	3.0500	3.0500	-15.746%	62	2,191	+204.918%
2026-02-13	3.8000	3.8000	3.6000	3.6200	+27.018%	29	2,166	+156.906%
2026-02-11	2.7500	2.8500	2.7500	2.8500	+8.365%	2	2,166	+226.316%
2026-02-09	2.6300	2.6300	2.6300	2.6300	-24.857%	1	2,166	+253.612%
2026-02-06	3.5000	3.5000	3.5000	3.5000	+12.540%	1	2,165	+165.714%
2026-02-05	3.9600	3.9700	2.9100	3.1100	+3.667%	266	2,191	+199.035%
2026-02-04	2.2400	3.0000	2.2400	3.0000	+50.000%	465	2,231	+210.000%
2026-02-03	2.0800	2.2200	2.0000	2.0000	+16.959%	11	2,094	+365.000%
2026-02-02	1.6900	1.7100	1.5700	1.7100	+37.903%	80	2,097	+443.860%
2026-01-29	1.2400	1.2400	1.2400	1.2400	-24.848%	20	2,141	+650.000%
2026-01-21	1.6100	1.6500	1.6000	1.6500	+5.769%	10	2,165	+463.636%
2026-01-15	1.4200	1.5600	1.3400	1.5600	+95.000%	867	2,161	+496.154%
2026-01-14	0.8000	0.8000	0.8000	0.8000	-25.926%	1	1,546	+1,062.500%
2026-01-13	1.0800	1.0800	1.0800	1.0800	-22.857%	22	1,547	+761.111%
2026-01-07	1.6000	1.6000	1.4000	1.4000	+2.941%	811	1,569	+564.286%
2025-12-26	1.3600	1.3600	1.3600	1.3600	+30.769%	6	788	+583.824%
2025-12-22	1.0400	1.0400	1.0400	1.0400	+36.842%	6	779	+794.231%
2025-12-11	0.7600	0.7600	0.7600	0.7600	-15.556%	8	779	+1,123.684%
2025-12-04	0.9100	0.9100	0.8900	0.9000	-37.500%	57	779	+933.333%
2025-11-26	1.4400	1.4400	1.4400	1.4400	+2.857%	70	779	+545.833%
2025-11-25	1.1800	1.4000	1.1800	1.4000	+26.126%	124	779	+564.286%
2025-11-24	1.1000	1.1100	1.1000	1.1100	+50.000%	2	803	+737.838%
2025-11-21	0.7400	0.7400	0.7400	0.7400	-2.632%	1	805	+1,156.757%
2025-11-20	0.7600	0.7600	0.7600	0.7600	+46.154%	1	806	+1,123.684%
2025-11-19	0.5200	0.5200	0.5200	0.5200	-35.802%	1	806	+1,688.462%
2025-11-18	0.8100	0.8100	0.8100	0.8100	+161.290%	1	807	+1,048.148%
2025-11-11	0.3200	0.3200	0.3100	0.3100	+24.000%	6	806	+2,900.000%
2025-11-10	0.2500	0.2500	0.2500	0.2500	-51.923%	1	806	+3,620.000%
2025-11-07	0.2700	0.5200	0.2700	0.5200	+372.727%	5	806	+1,688.462%
2025-11-03	0.1100	0.1100	0.1100	0.1100	-75.556%	1	802	+8,354.545%
2025-10-29	0.4500	0.4500	0.4500	0.4500	+45.161%	1	802	+1,966.667%
2025-10-24	0.3100	0.3100	0.3100	0.3100	-26.190%	4	801	+2,900.000%
2025-10-23	0.4500	0.4500	0.3600	0.4200	-16.000%	3	801	+2,114.286%
2025-10-22	0.5000	0.5000	0.5000	0.5000	+13.636%	5	801	+1,760.000%
2025-10-03	0.4400	0.4400	0.4400	0.4400	+193.333%	20	797	+2,013.636%
2025-09-30	0.1500	0.1500	0.1500	0.1500	-31.818%	1	817	+6,100.000%
2025-09-25	0.1500	0.2200	0.1500	0.2200	+29.412%	2	817	+4,127.273%
2025-09-24	0.1700	0.1700	0.1700	0.1700	+13.333%	1	817	+5,370.588%
2025-08-07	0.1500	0.1500	0.1500	0.1500	-37.500%	150	817	+6,100.000%
2025-07-16	0.2400	0.2400	0.2400	0.2400	-35.135%	1	667	+3,775.000%
2025-07-14	0.4100	0.4100	0.3000	0.3700	-15.909%	163	666	+2,413.514%
2025-07-09	0.4500	0.4500	0.4400	0.4400	+57.143%	2	503	+2,013.636%
2025-06-26	0.2800	0.2800	0.2800	0.2800	-24.324%	1	503	+3,221.429%
2025-06-25	0.2600	0.3700	0.2600	0.3700	+27.586%	4	502	+2,413.514%
2025-06-23	0.2900	0.2900	0.2900	0.2900	-36.957%	1	502	+3,106.897%
2025-06-20	0.4600	0.4600	0.4200	0.4600	-13.208%	252	501	+1,921.739%
2025-06-06	0.5300	0.5300	0.5300	0.5300	0.000%	2	420	+1,654.717%
2025-06-05	0.5500	0.5500	0.5300	0.5300	-3.636%	3	420	+1,654.717%
2025-06-04	0.5500	0.5500	0.5500	0.5500	+17.021%	1	419	+1,590.909%
2025-06-02	0.4700	0.4700	0.4700	0.4700	-9.615%	1	420	+1,878.723%
2025-05-29	0.4800	0.5200	0.4800	0.5200	+10.638%	2	419	+1,688.462%
2025-05-16	0.4700	0.4700	0.4700	0.4700	-6.000%	4	418	+1,878.723%
2025-05-14	0.5000	0.5000	0.5000	0.5000	-16.667%	10	420	+1,760.000%
2025-05-07	0.6000	0.6000	0.6000	0.6000	-13.043%	2	410	+1,450.000%
2025-05-02	0.6900	0.6900	0.6900	0.6900	+21.053%	2	408	+1,247.826%
2025-04-21	0.5700	0.5700	0.5700	0.5700	-5.000%	3	409	+1,531.579%
2025-04-14	0.5600	0.6000	0.5600	0.6000	-3.226%	21	406	+1,450.000%
2025-04-11	0.5000	0.6200	0.4700	0.6200	-26.190%	416	386	+1,400.000%
2025-04-07	0.5800	0.8400	0.5800	0.8400	+42.373%	130	382	+1,007.143%
2025-04-04	0.5900	0.5900	0.5900	0.5900	-35.870%	2	380	+1,476.271%
2025-03-31	0.9200	0.9200	0.9200	0.9200	+12.195%	1	380	+910.870%
2025-03-25	0.8200	0.8200	0.8200	0.8200	+28.125%	1	379	+1,034.146%
2025-02-18	0.6200	0.6400	0.5700	0.6400	-5.882%	48	378	+1,353.125%
2025-02-14	0.6600	0.6800	0.6200	0.6800	-16.049%	240	324	+1,267.647%
2025-02-13	0.8100	0.8100	0.8100	0.8100	+3.846%	2	322	+1,048.148%
2025-02-11	0.7500	0.8000	0.7500	0.7800	-48.684%	105	322	+1,092.308%
2025-01-14	1.5200	1.5200	1.5200	1.5200	-12.644%	2	231	+511.842%
2025-01-13	1.8000	1.8000	1.7400	1.7400	-2.247%	5	229	+434.483%
2025-01-07	1.7800	1.7800	1.7800	1.7800	-4.301%	20	224	+422.472%
2024-12-20	1.8600	1.8600	1.8600	1.8600	-1.064%	5	244	+400.000%
2024-12-19	1.8800	1.8800	1.8800	1.8800	+8.046%	4	239	+394.681%
2024-12-11	1.7400	1.7400	1.7400	1.7400	-2.247%	3	239	+434.483%
2024-12-04	1.7800	1.7800	1.7800	1.7800	-6.316%	19	239	+422.472%
2024-11-25	1.9000	1.9000	1.9000	1.9000	+35.714%	2	239	+389.474%
2024-11-15	1.4000	1.4000	1.4000	1.4000	-21.788%	30	237	+564.286%
2024-10-31	1.7900	1.7900	1.7900	1.7900	-16.744%	1	222	+419.553%
2024-10-30	2.1500	2.1500	2.1500	2.1500	+7.500%	10	221	+332.558%
2024-10-28	2.0000	2.0000	2.0000	2.0000	-2.439%	10	211	+365.000%
2024-10-25	2.0600	2.0600	2.0500	2.0500	-13.502%	4	201	+353.659%
2024-10-22	2.3700	2.3700	2.3700	2.3700	-1.250%	1	200	+292.405%
2024-10-21	2.4000	2.4000	2.4000	2.4000	-18.644%	20	199	+287.500%
2024-10-14	2.9500	2.9500	2.9500	2.9500	-7.813%	10	179	+215.254%
2024-10-03	3.1500	3.2000	3.1500	3.2000	-7.246%	31	169	+190.625%
2024-10-02	3.4500	3.4500	3.4500	3.4500	-1.146%	1	138	+169.565%
2024-10-01	3.4900	3.4900	3.4900	3.4900	+2.647%	1	139	+166.476%
2024-09-26	3.4500	3.4500	3.4000	3.4000	-17.275%	28	138	+173.529%
2024-08-02	4.1100	4.1100	4.1100	4.1100	-8.667%	1	110	+126.277%
2024-07-30	4.2600	4.5000	4.2600	4.5000	-37.500%	12	110	+106.667%
2024-07-18	7.2500	7.2500	7.2000	7.2000	-4.255%	21	108	+29.167%
2024-07-16	7.5200	7.5200	7.5200	7.5200	-10.795%	1	88	+23.670%
2024-07-15	8.4300	8.4300	8.4300	8.4300	-22.661%	1	89	+10.320%
2024-06-26	10.9000	10.9000	10.9000	10.9000	+18.478%	1	89	-14.679%
2024-06-14	9.2000	9.2000	9.2000	9.2000	+2.222%	4	88	+1.087%
2024-06-06	9.0000	9.0000	9.0000	9.0000	-6.736%	2	88	+3.333%
2024-06-03	9.4000	9.6500	9.4000	9.6500	-8.962%	70	86	-3.627%
2024-05-22	10.6000	10.6000	10.6000	10.6000	+1.435%	1	32	-12.264%
2024-05-15	10.4500	10.4500	10.4500	10.4500	-7.358%	1	31	-11.005%
2024-04-25	11.2800	11.2800	11.2800	11.2800	+19.492%	10	30	-17.553%
2024-04-24	9.4400	9.4400	9.4400	9.4400	+0.426%	9	20	-1.483%
2024-04-23	9.4000	9.4000	9.4000	9.4000	-4.082%	10	11	-1.064%
2024-04-22	9.8000	9.8000	9.8000	9.8000	0.000%	1	1	-5.102%