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MRK20261218C135
MRK Dec 18 2026 135.00 Call (MRK261218C00135000)
option OPRA

EOD

Jul 21, 2026

6.30+0.800%(+0.05)12

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-21	6.7300	6.7300	6.1000	6.3000	+0.800%	12	1,500	0.000%
2026-07-20	7.0500	7.5200	6.2500	6.2500	-14.966%	147	1,497	+0.800%
2026-07-17	8.9600	9.2500	7.3500	7.3500	+2.083%	126	1,488	-14.286%
2026-07-16	6.7200	7.8900	6.7200	7.2000	+25.217%	178	1,372	-12.500%
2026-07-15	5.6200	5.8000	5.5300	5.7500	+22.081%	18	1,228	+9.565%
2026-07-14	4.9000	4.9000	4.7100	4.7100	-20.840%	27	1,232	+33.758%
2026-07-13	5.7500	5.9900	5.7500	5.9500	+3.120%	8	1,217	+5.882%
2026-07-10	5.7000	5.7700	5.7000	5.7700	-14.519%	12	1,217	+9.185%
2026-07-09	6.7500	6.7500	6.7500	6.7500	-6.639%	1	1,215	-6.667%
2026-07-08	7.1000	7.2300	7.1000	7.2300	-10.186%	4	1,214	-12.863%
2026-07-07	8.6000	8.6000	7.9000	8.0500	+8.054%	27	1,215	-21.739%
2026-07-06	8.7000	8.7000	7.0500	7.4500	-9.697%	8	1,234	-15.436%
2026-07-02	7.1200	8.3500	7.1200	8.2500	+15.385%	15	1,237	-23.636%
2026-07-01	7.2000	7.2000	7.1500	7.1500	-12.805%	6	1,237	-11.888%
2026-06-30	8.0700	8.2000	7.5500	8.2000	-4.872%	6	1,236	-23.171%
2026-06-29	8.0700	8.7000	8.0000	8.6200	+18.407%	18	1,236	-26.914%
2026-06-26	7.5500	7.7900	7.2800	7.2800	+4.000%	28	1,226	-13.462%
2026-06-25	5.4700	7.0000	5.4700	7.0000	+38.067%	41	1,215	-10.000%
2026-06-24	5.0000	5.1000	4.6000	5.0700	+9.740%	85	1,227	+24.260%
2026-06-23	4.0800	4.6200	4.0800	4.6200	+33.141%	132	1,222	+36.364%
2026-06-22	3.2000	3.5500	3.2000	3.4700	+0.580%	32	1,173	+81.556%
2026-06-18	2.9600	3.4500	2.9600	3.4500	-5.479%	24	1,105	+82.609%
2026-06-17	3.6000	3.8000	3.6000	3.6500	-1.351%	53	1,105	+72.603%
2026-06-16	3.5500	3.7000	3.5000	3.7000	-3.896%	12	1,105	+70.270%
2026-06-15	3.9500	3.9500	3.8000	3.8500	-23.000%	20	1,109	+63.636%
2026-06-12	5.3000	5.3000	5.0000	5.0000	-17.763%	13	1,113	+26.000%
2026-06-11	5.3500	6.1500	5.3500	6.0800	+28.000%	44	1,117	+3.618%
2026-06-10	5.0000	5.0000	4.5500	4.7500	-8.654%	38	1,088	+32.632%
2026-06-09	5.1000	5.2000	5.1000	5.2000	+4.839%	12	1,073	+21.154%
2026-06-08	5.0100	5.0100	4.9600	4.9600	-20.893%	3	1,075	+27.016%
2026-06-05	5.8000	6.5300	5.8000	6.2700	+18.302%	22	1,074	+0.478%
2026-06-04	4.8000	5.3000	4.8000	5.3000	+35.897%	36	1,070	+18.868%
2026-06-03	4.0500	4.0500	3.9000	3.9000	-9.302%	5	1,069	+61.538%
2026-06-02	3.9500	4.3000	3.9500	4.3000	+13.158%	25	1,066	+46.512%
2026-06-01	3.7500	3.8500	3.7500	3.8000	-19.149%	50	1,043	+65.789%
2026-05-29	5.0500	5.0500	4.7000	4.7000	-14.545%	9	996	+34.043%
2026-05-28	5.5000	5.5000	5.5000	5.5000	-13.112%	3	1,000	+14.545%
2026-05-27	6.3000	6.3300	6.3000	6.3300	+11.053%	2	999	-0.474%
2026-05-26	6.2100	6.2100	5.5500	5.7000	-8.800%	42	1,000	+10.526%
2026-05-22	5.6300	6.3000	5.6000	6.2500	+59.033%	56	971	+0.800%
2026-05-21	3.6500	3.9300	3.6500	3.9300	+9.167%	9	972	+60.305%
2026-05-19	3.4200	3.6200	3.4200	3.6000	+23.288%	11	972	+75.000%
2026-05-15	3.1000	3.1000	2.9200	2.9200	-13.864%	5	969	+115.753%
2026-05-14	3.4500	3.4500	3.3000	3.3900	-3.143%	18	974	+85.841%
2026-05-12	2.8800	3.5000	2.8800	3.5000	+9.375%	10	985	+80.000%
2026-05-07	3.2000	3.2000	3.2000	3.2000	-4.478%	5	985	+96.875%
2026-05-01	3.7500	3.8000	3.3500	3.3500	+6.349%	111	982	+88.060%
2026-04-30	3.1500	3.1500	3.1500	3.1500	+0.639%	128	982	+100.000%
2026-04-29	3.1300	3.1300	3.1300	3.1300	-13.056%	5	999	+101.278%
2026-04-27	3.6000	3.6000	3.6000	3.6000	-2.703%	1	994	+75.000%
2026-04-24	3.9100	3.9100	3.7000	3.7000	-20.430%	12	994	+70.270%
2026-04-23	4.3000	4.6500	4.3000	4.6500	+16.541%	3	996	+35.484%
2026-04-21	3.9900	3.9900	3.9900	3.9900	-22.070%	1	997	+57.895%
2026-04-20	5.1200	5.1200	5.1200	5.1200	-3.396%	1	997	+23.047%
2026-04-17	5.0500	5.3200	4.9500	5.3000	+11.579%	16	998	+18.868%
2026-04-16	5.2500	5.2500	4.6700	4.7500	-13.004%	15	996	+32.632%
2026-04-15	5.4600	5.4600	5.4600	5.4600	-25.714%	4	996	+15.385%
2026-04-10	7.3500	7.3500	7.3500	7.3500	-6.962%	2	995	-14.286%
2026-04-08	6.5900	8.1400	6.5900	7.9000	+26.806%	17	993	-20.253%
2026-04-07	6.0300	6.2300	6.0300	6.2300	-11.631%	15	987	+1.124%
2026-04-02	7.0500	7.0500	7.0500	7.0500	-6.125%	7	969	-10.638%
2026-03-31	7.5100	7.5100	7.5100	7.5100	+8.841%	15	969	-16.112%
2026-03-30	7.4000	7.4000	6.9000	6.9000	-9.211%	15	969	-8.696%
2026-03-27	7.6100	7.6500	7.6000	7.6000	+9.353%	7	973	-17.105%
2026-03-26	7.1000	7.1000	6.9500	6.9500	+16.807%	12	977	-9.353%
2026-03-24	5.9500	5.9500	5.9500	5.9500	+4.386%	3	977	+5.882%
2026-03-20	5.0700	5.8000	5.0700	5.7000	+3.636%	23	974	+10.526%
2026-03-18	5.5000	5.5000	5.5000	5.5000	-8.638%	3	958	+14.545%
2026-03-17	6.0200	6.0200	6.0200	6.0200	+4.514%	1	960	+4.651%
2026-03-16	5.8300	5.8300	5.7600	5.7600	+6.667%	20	960	+9.375%
2026-03-12	5.5400	5.5400	5.4000	5.4000	-10.744%	3	940	+16.667%
2026-03-11	6.0500	6.0500	6.0500	6.0500	-3.200%	3	939	+4.132%
2026-03-09	5.9000	6.2500	5.9000	6.2500	+4.167%	8	942	+0.800%
2026-03-05	6.0000	6.0000	6.0000	6.0000	-8.397%	1	944	+5.000%
2026-03-04	6.5500	6.5500	6.5500	6.5500	-25.228%	4	945	-3.817%
2026-02-27	7.7000	8.7600	7.7000	8.7600	+5.797%	7	949	-28.082%
2026-02-25	9.1500	9.3000	8.2400	8.2800	-7.486%	14	936	-23.913%
2026-02-24	9.0000	9.0000	8.9000	8.9500	+4.070%	9	936	-29.609%
2026-02-23	8.6000	8.6000	8.6000	8.6000	+8.861%	20	932	-26.744%
2026-02-19	8.0000	8.0000	7.9000	7.9000	+3.947%	11	912	-20.253%
2026-02-18	7.6000	7.6000	7.6000	7.6000	+20.063%	2	912	-17.105%
2026-02-10	6.4200	6.5600	5.9900	6.3300	-5.663%	26	911	-0.474%
2026-02-09	6.7900	6.7900	6.6100	6.7100	-18.171%	8	936	-6.110%
2026-02-06	7.9000	8.2500	7.9000	8.2000	+10.811%	16	943	-23.171%
2026-02-05	8.0800	8.5000	7.4000	7.4000	+13.846%	117	948	-14.865%
2026-02-04	6.3800	6.6500	6.3500	6.5000	+18.613%	14	895	-3.077%
2026-02-03	4.2400	5.5000	4.1500	5.4800	+15.612%	53	901	+14.964%
2026-02-02	4.5000	4.7400	4.4000	4.7400	+65.734%	9	927	+32.911%
2026-01-28	2.9600	2.9600	2.8100	2.8600	-11.455%	7	927	+120.280%
2026-01-26	3.2300	3.2300	3.2300	3.2300	-3.582%	3	927	+95.046%
2026-01-22	4.1400	4.1400	3.3500	3.3500	-22.811%	8	930	+88.060%
2026-01-21	4.3400	4.3400	4.3400	4.3400	+20.891%	2	925	+45.161%
2026-01-20	3.6000	3.6000	3.5900	3.5900	-2.973%	3	925	+75.487%
2026-01-16	3.7500	3.7500	3.7000	3.7000	-9.756%	14	939	+70.270%
2026-01-15	4.0500	4.1000	4.0500	4.1000	+5.943%	2	939	+53.659%
2026-01-14	3.6500	3.8700	3.4500	3.8700	-2.025%	249	940	+62.791%
2026-01-12	3.9500	3.9500	3.9500	3.9500	-5.952%	11	816	+59.494%
2026-01-09	4.0700	4.2500	3.7700	4.2000	-1.408%	183	805	+50.000%
2026-01-08	4.4300	4.6000	3.2800	4.2600	+13.904%	93	700	+47.887%
2026-01-07	3.9400	3.9400	3.7400	3.7400	+2.186%	55	702	+68.449%
2026-01-06	3.8500	3.8500	3.6600	3.6600	+14.375%	58	721	+72.131%
2026-01-05	3.2000	3.2000	3.2000	3.2000	+3.226%	10	744	+96.875%
2026-01-02	3.1000	3.1000	3.1000	3.1000	-11.175%	3	744	+103.226%
2025-12-29	3.4000	3.4900	3.3500	3.4900	+1.453%	36	744	+80.516%
2025-12-24	3.4200	3.4400	3.2000	3.4400	+20.280%	22	759	+83.140%
2025-12-22	2.7000	2.8600	2.7000	2.8600	+24.348%	2	759	+120.280%
2025-12-17	2.3000	2.3000	2.3000	2.3000	+9.524%	5	759	+173.913%
2025-12-15	2.3400	2.3400	2.1000	2.1000	+7.143%	6	764	+200.000%
2025-12-12	1.9600	1.9600	1.9600	1.9600	+5.946%	1	758	+221.429%
2025-12-11	1.8500	1.8500	1.8500	1.8500	-7.035%	5	758	+240.541%
2025-12-09	1.9900	1.9900	1.9900	1.9900	+4.737%	20	753	+216.583%
2025-12-08	1.9000	1.9000	1.9000	1.9000	-7.767%	10	733	+231.579%
2025-12-05	2.0600	2.0600	2.0600	2.0600	-16.260%	2	730	+205.825%
2025-12-03	2.4600	2.4600	2.4600	2.4600	-13.074%	1	730	+156.098%
2025-12-01	2.9000	2.9000	2.7900	2.8300	-19.143%	21	730	+122.615%
2025-11-26	3.5000	3.5000	3.5000	3.5000	+7.034%	6	727	+80.000%
2025-11-25	2.6800	4.1400	2.6400	3.2700	+33.469%	126	727	+92.661%
2025-11-24	2.7000	2.7000	2.2600	2.4500	+27.604%	86	845	+157.143%
2025-11-21	1.8300	2.2000	1.8300	1.9200	+6.667%	24	917	+228.125%
2025-11-19	1.9900	1.9900	1.7600	1.8000	-21.739%	131	919	+250.000%
2025-11-18	1.7500	2.4100	1.7500	2.3000	+40.244%	946	977	+173.913%
2025-11-17	1.4500	1.6400	1.3400	1.6400	+17.986%	43	461	+284.146%
2025-11-14	1.3900	1.3900	1.3900	1.3900	-4.138%	2	489	+353.237%
2025-11-13	1.4100	1.4500	1.4100	1.4500	+11.538%	61	489	+334.483%
2025-11-12	1.3000	1.3000	1.3000	1.3000	+51.163%	30	493	+384.615%
2025-10-23	0.8600	0.8600	0.8600	0.8600	-2.273%	7	493	+632.558%
2025-10-21	0.8800	0.8800	0.8800	0.8800	-20.721%	1	500	+615.909%
2025-10-02	1.3300	1.3300	1.0200	1.1100	0.000%	92	500	+467.568%
2025-10-01	0.8100	1.2500	0.8100	1.1100	+81.967%	252	530	+467.568%
2025-09-30	0.6100	0.6100	0.6100	0.6100	+48.780%	1	774	+932.787%
2025-09-25	0.4100	0.4100	0.4100	0.4100	-12.766%	300	774	+1,436.585%
2025-09-23	0.4700	0.4800	0.4600	0.4700	-7.843%	155	474	+1,240.426%
2025-09-19	0.5100	0.5100	0.5100	0.5100	-15.000%	1	420	+1,135.294%
2025-09-15	0.6000	0.6000	0.6000	0.6000	+13.208%	1	420	+950.000%
2025-09-08	0.5300	0.5300	0.5300	0.5300	+8.163%	1	421	+1,088.679%
2025-08-28	0.4900	0.4900	0.4900	0.4900	-31.944%	1	421	+1,185.714%
2025-08-21	0.6700	0.7200	0.6700	0.7200	-1.370%	6	421	+775.000%
2025-08-20	0.7300	0.7300	0.7300	0.7300	-10.976%	1	421	+763.014%
2025-08-18	0.6900	0.8200	0.6900	0.8200	+24.242%	12	421	+668.293%
2025-08-15	0.5900	0.6600	0.5900	0.6600	+43.478%	8	421	+854.545%
2025-08-04	0.4600	0.4600	0.4600	0.4600	0.000%	1	421	+1,269.565%
2025-07-31	0.4600	0.4600	0.4600	0.4600	-24.590%	2	421	+1,269.565%
2025-07-30	0.6100	0.6100	0.6100	0.6100	-33.696%	1	421	+932.787%
2025-07-24	0.9200	0.9200	0.9200	0.9200	-14.019%	1	422	+584.783%
2025-07-15	1.0700	1.0700	1.0700	1.0700	+12.632%	2	423	+488.785%
2025-07-11	0.9500	0.9500	0.9500	0.9500	+18.750%	1	421	+563.158%
2025-06-26	0.9500	0.9500	0.8000	0.8000	-23.810%	2	421	+687.500%
2025-06-17	1.0500	1.0500	1.0500	1.0500	-16.000%	17	420	+500.000%
2025-06-16	1.2500	1.2500	1.2500	1.2500	+0.806%	1	437	+404.000%
2025-06-11	1.2400	1.2400	1.2400	1.2400	-4.615%	1	437	+408.065%
2025-06-10	1.2500	1.3000	1.2500	1.3000	+18.182%	3	438	+384.615%
2025-06-09	1.1000	1.1000	1.1000	1.1000	0.000%	1	436	+472.727%
2025-06-06	1.1500	1.1700	1.1000	1.1000	0.000%	6	436	+472.727%
2025-06-04	1.1100	1.1100	1.1000	1.1000	+4.762%	3	431	+472.727%
2025-06-03	1.0000	1.0500	1.0000	1.0500	+5.000%	4	431	+500.000%
2025-05-30	1.0000	1.0000	1.0000	1.0000	-9.910%	4	431	+530.000%
2025-05-23	1.1200	1.1200	1.1100	1.1100	+68.182%	92	431	+467.568%
2025-05-22	0.6600	0.6600	0.6600	0.6600	-36.538%	1	431	+854.545%
2025-05-21	1.0500	1.0500	0.9900	1.0400	+15.556%	250	431	+505.769%
2025-05-19	0.9000	0.9000	0.9000	0.9000	+12.500%	2	562	+600.000%
2025-05-14	0.8800	0.8800	0.8000	0.8000	-20.000%	132	564	+687.500%
2025-05-09	1.0000	1.0000	1.0000	1.0000	-43.182%	2	524	+530.000%
2025-04-29	1.7600	1.7600	1.7600	1.7600	+2.326%	1	523	+257.955%
2025-04-28	1.5000	1.7200	1.5000	1.7200	+43.333%	5	523	+266.279%
2025-04-21	1.2000	1.2000	1.2000	1.2000	-12.409%	120	523	+425.000%
2025-04-07	1.3700	1.3700	1.3700	1.3700	-16.970%	1	403	+359.854%
2025-04-01	1.5900	1.6500	1.5900	1.6500	-16.244%	2	403	+281.818%
2025-03-31	1.9500	2.3400	1.9500	1.9700	+1.026%	24	403	+219.797%
2025-03-28	1.9500	1.9500	1.9500	1.9500	-4.412%	2	403	+223.077%
2025-03-25	2.0400	2.0400	2.0400	2.0400	-3.318%	2	403	+208.824%
2025-03-24	2.0900	2.2500	2.0900	2.1100	-19.772%	7	403	+198.578%
2025-03-20	2.6300	2.6300	2.6300	2.6300	-10.239%	20	403	+139.544%
2025-03-18	2.7400	2.9400	2.7400	2.9300	+5.776%	4	403	+115.017%
2025-03-14	2.6400	2.7700	2.6400	2.7700	-5.137%	4	403	+127.437%
2025-03-13	3.2000	3.2000	2.9200	2.9200	-1.684%	114	380	+115.753%
2025-03-11	2.9900	3.4900	2.9700	2.9700	-1.980%	21	380	+112.121%
2025-03-07	2.8500	3.0300	2.8000	3.0300	+17.899%	252	388	+107.921%
2025-03-06	2.4700	2.5700	2.4700	2.5700	+0.784%	2	514	+145.136%
2025-03-05	2.4600	2.5500	2.4600	2.5500	-9.253%	2	514	+147.059%
2025-03-04	1.7500	3.1300	1.7500	2.8100	+22.174%	434	515	+124.199%
2025-02-28	2.1400	2.3200	2.1400	2.3000	+13.861%	10	949	+173.913%
2025-02-26	1.8900	2.0200	1.8900	2.0200	-17.886%	2	948	+211.881%
2025-02-24	2.2500	2.4600	2.2500	2.4600	+22.388%	2	948	+156.098%
2025-02-21	2.0400	2.0400	2.0100	2.0100	+12.921%	8	948	+213.433%
2025-02-20	1.6400	1.7800	1.6400	1.7800	+42.400%	111	946	+253.933%
2025-02-14	1.2500	1.2500	1.2500	1.2500	-11.972%	2	1,050	+404.000%
2025-02-13	1.3300	1.6700	1.3300	1.4200	-23.243%	880	170	+343.662%
2025-02-06	1.8500	1.8500	1.8500	1.8500	-46.377%	1	170	+240.541%
2025-02-03	3.2700	3.4500	3.2700	3.4500	+10.224%	2	170	+82.609%
2025-01-30	2.9400	3.1300	2.9400	3.1300	-4.573%	2	169	+101.278%
2025-01-29	3.2800	3.2800	3.2800	3.2800	+14.286%	4	169	+92.073%
2025-01-28	2.7500	2.8700	2.7500	2.8700	+5.904%	2	173	+119.512%
2025-01-27	2.5100	2.7100	2.5100	2.7100	+3.831%	2	173	+132.472%
2025-01-24	2.4600	2.6100	2.4600	2.6100	-5.776%	4	173	+141.379%
2025-01-23	2.5800	2.7700	2.5800	2.7700	-11.502%	2	173	+127.437%
2025-01-17	2.9600	3.1300	2.9600	3.1300	-9.275%	4	173	+101.278%
2025-01-16	3.4500	3.4500	3.4500	3.4500	-3.631%	1	173	+82.609%
2024-12-31	3.5800	3.5800	3.5800	3.5800	-8.205%	1	174	+75.978%
2024-12-02	3.9000	3.9000	3.9000	3.9000	+30.000%	1	174	+61.538%
2024-11-21	3.0000	3.0000	3.0000	3.0000	-6.250%	50	173	+110.000%
2024-11-20	3.2000	3.2000	3.2000	3.2000	-3.030%	50	173	+96.875%
2024-11-14	3.3000	3.3000	3.2900	3.3000	0.000%	54	123	+90.909%
2024-11-13	3.3000	3.3000	3.3000	3.3000	+15.789%	1	132	+90.909%
2024-11-12	2.8500	2.8500	2.8500	2.8500	-30.657%	1	133	+121.053%
2024-11-01	4.1100	4.1100	4.1100	4.1100	-10.066%	4	133	+53.285%
2024-10-25	4.5700	4.5700	4.5700	4.5700	-1.720%	6	135	+37.856%
2024-10-24	4.8200	4.8200	4.6500	4.6500	-22.500%	4	135	+35.484%
2024-10-18	6.0000	6.0000	6.0000	6.0000	-1.639%	2	131	+5.000%
2024-10-07	6.1000	6.1000	6.1000	6.1000	-24.784%	1	130	+3.279%
2024-09-24	8.1100	8.1100	8.1100	8.1100	-9.889%	3	129	-22.318%
2024-09-09	8.7700	9.0000	8.7700	9.0000	-11.765%	6	126	-30.000%
2024-09-05	10.2000	10.2000	10.2000	10.2000	+5.809%	6	132	-38.235%
2024-08-29	9.6400	9.6400	9.6400	9.6400	+20.500%	2	126	-34.647%
2024-08-15	8.0000	8.0000	8.0000	8.0000	+9.739%	1	126	-21.250%
2024-08-07	7.5500	7.5500	7.2900	7.2900	-5.325%	4	126	-13.580%
2024-08-06	7.7000	7.7000	7.7000	7.7000	-1.911%	1	122	-18.182%
2024-08-05	7.8500	7.8500	7.8500	7.8500	-10.490%	1	121	-19.745%
2024-08-02	8.7700	8.7700	8.7700	8.7700	-3.094%	4	120	-28.164%
2024-07-31	9.0500	9.0500	9.0500	9.0500	+24.313%	1	118	-30.387%
2024-07-30	11.5200	11.5200	7.2800	7.2800	-48.000%	66	118	-13.462%
2024-07-18	14.0000	14.0000	14.0000	14.0000	-8.197%	1	53	-55.000%
2024-07-09	15.2500	15.2500	15.2500	15.2500	-17.120%	1	53	-58.689%
2024-06-07	18.4000	18.4000	18.4000	18.4000	+0.767%	2	52	-65.761%
2024-05-21	18.8000	18.8000	18.2600	18.2600	+0.884%	26	52	-65.498%
2024-05-17	18.1000	18.1000	18.1000	18.1000	0.000%	40	32	-65.193%
2024-05-15	18.1000	18.1000	18.1000	18.1000	-2.162%	10	12	-65.193%
2024-04-29	19.2200	19.2200	18.5000	18.5000	+11.513%	4	5	-65.946%
2024-04-12	16.5900	16.5900	16.5900	16.5900	0.000%	4	2	-62.025%