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MRK20261218C80
MRK Dec 18 2026 80.00 Call (MRK261218C00080000)
option OPRA

EOD

Jul 16, 2026

49.00-1.606%(-0.80)5

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-16	49.0000	49.0000	49.0000	49.0000	-1.606%	5	173	0.000%
2026-07-07	49.8000	49.8000	49.8000	49.8000	+23.115%	5	173	-1.606%
2026-06-09	40.4500	40.4500	40.4500	40.4500	-1.582%	5	174	+21.137%
2026-06-08	41.1000	41.1000	41.1000	41.1000	-0.797%	1	178	+19.221%
2026-05-22	41.4300	41.4300	41.4300	41.4300	+21.318%	1	177	+18.272%
2026-05-01	34.1500	34.1500	34.1500	34.1500	-1.158%	3	178	+43.485%
2026-04-24	34.5500	34.5500	34.5500	34.5500	-14.332%	3	178	+41.823%
2026-04-17	40.3300	40.3300	40.3300	40.3300	+7.547%	1	181	+21.498%
2026-03-19	37.5000	37.5000	37.5000	37.5000	-2.648%	10	182	+30.667%
2026-03-13	38.5200	38.5200	38.5200	38.5200	+1.368%	1	182	+27.207%
2026-03-06	38.0000	38.0000	38.0000	38.0000	-0.913%	25	182	+28.947%
2026-03-05	38.3500	38.3500	38.3500	38.3500	-4.364%	1	182	+27.771%
2026-03-03	40.0100	40.1000	40.0100	40.1000	-7.390%	2	183	+22.195%
2026-03-02	43.3000	43.3000	43.3000	43.3000	+5.739%	1	184	+13.164%
2026-02-26	40.9500	40.9500	40.9500	40.9500	-6.720%	1	184	+19.658%
2026-02-25	43.9000	43.9000	43.9000	43.9000	-3.939%	1	184	+11.617%
2026-02-24	45.7000	45.7000	45.7000	45.7000	+7.026%	1	184	+7.221%
2026-02-19	42.7000	42.7000	42.7000	42.7000	-0.559%	1	185	+14.754%
2026-02-17	42.9400	42.9400	42.9400	42.9400	-2.075%	1	185	+14.113%
2026-02-13	43.8500	43.8500	43.8500	43.8500	+2.886%	2	186	+11.745%
2026-02-12	42.6200	42.6200	42.6200	42.6200	+10.272%	1	186	+14.969%
2026-02-10	38.6500	38.6500	38.6500	38.6500	-4.094%	1	187	+26.779%
2026-02-09	40.3000	40.3000	40.3000	40.3000	-2.892%	1	187	+21.588%
2026-02-05	41.5000	41.5000	41.5000	41.5000	+0.655%	19	187	+18.072%
2026-02-04	38.7100	41.2300	38.7100	41.2300	+7.091%	2	187	+18.846%
2026-02-03	34.9500	38.5000	34.9500	38.5000	+17.557%	26	188	+27.273%
2026-02-02	32.7500	32.7500	32.7500	32.7500	+5.645%	1	194	+49.618%
2026-01-30	31.0000	31.0000	31.0000	31.0000	+0.649%	1	193	+58.065%
2026-01-29	30.8000	30.8000	30.8000	30.8000	+1.818%	1	193	+59.091%
2026-01-27	30.2500	30.2500	30.2500	30.2500	+0.498%	1	193	+61.983%
2026-01-23	30.1000	30.1000	30.1000	30.1000	-3.309%	1	194	+62.791%
2026-01-22	31.1300	31.1300	31.1300	31.1300	-0.352%	1	193	+57.404%
2026-01-20	31.2400	31.2400	31.2400	31.2400	-1.946%	1	192	+56.850%
2026-01-16	31.1000	31.8600	31.1000	31.8600	+3.948%	4	196	+53.798%
2026-01-13	30.6500	30.6500	30.6500	30.6500	+6.609%	3	196	+59.869%
2026-01-05	28.8000	28.8000	28.7500	28.7500	-0.862%	11	199	+70.435%
2026-01-02	28.6100	29.0000	28.6100	29.0000	+1.399%	2	210	+68.966%
2025-12-31	28.7000	28.7000	28.5800	28.6000	-1.786%	6	209	+71.329%
2025-12-30	29.5500	29.7100	28.8200	29.1200	-3.894%	10	209	+68.269%
2025-12-29	30.3000	30.3000	30.3000	30.3000	+3.554%	1	206	+61.716%
2025-12-24	29.2600	29.2600	29.2600	29.2600	+5.441%	4	206	+67.464%
2025-12-22	27.7000	27.7500	27.7000	27.7500	+20.390%	3	206	+76.577%
2025-12-17	22.9500	23.0500	22.9500	23.0500	+3.829%	8	205	+112.581%
2025-12-11	22.2000	22.2000	22.2000	22.2000	+4.225%	1	198	+120.721%
2025-12-10	21.3000	21.3000	21.3000	21.3000	-3.401%	1	198	+130.047%
2025-12-09	22.0500	22.0500	22.0500	22.0500	+3.134%	3	197	+122.222%
2025-12-08	21.3800	21.3800	21.3800	21.3800	-9.941%	2	197	+129.186%
2025-12-05	23.7400	23.7400	23.7400	23.7400	-5.154%	3	199	+106.403%
2025-12-04	24.7800	25.0300	24.7800	25.0300	-10.287%	5	199	+95.765%
2025-12-01	27.9000	27.9000	27.9000	27.9000	+1.087%	1	194	+75.627%
2025-11-28	27.3000	27.6000	27.0500	27.6000	-2.885%	7	194	+77.536%
2025-11-26	27.7000	28.4200	27.7000	28.4200	+9.308%	2	200	+72.414%
2025-11-25	26.0000	26.0000	26.0000	26.0000	+5.051%	3	200	+88.462%
2025-11-24	25.0500	25.0500	24.7500	24.7500	+11.587%	10	203	+97.980%
2025-11-21	20.6100	22.8500	20.6100	22.1800	+12.020%	24	193	+120.920%
2025-11-20	19.8000	19.8000	19.8000	19.8000	+0.508%	2	213	+147.475%
2025-11-19	20.6500	20.6500	19.7000	19.7000	-10.210%	11	211	+148.731%
2025-11-18	21.9400	21.9400	21.9400	21.9400	+20.483%	1	210	+123.336%
2025-11-17	18.2100	18.2100	18.2100	18.2100	-4.958%	1	210	+169.083%
2025-11-13	19.4000	19.4000	18.9000	19.1600	+15.770%	5	210	+155.741%
2025-11-12	18.0000	18.0000	14.5000	16.5500	+1.846%	13	209	+196.073%
2025-11-11	14.7500	16.2500	14.7500	16.2500	+27.451%	2	207	+201.538%
2025-11-07	12.7500	12.7500	12.7500	12.7500	+8.511%	1	206	+284.314%
2025-11-03	11.7500	11.7500	11.7500	11.7500	-2.893%	3	202	+317.021%
2025-10-30	11.7500	12.1000	11.7500	12.1000	-16.552%	3	202	+304.959%
2025-10-27	14.5000	14.5000	14.5000	14.5000	-2.685%	4	198	+237.931%
2025-10-22	14.6200	14.9000	14.6200	14.9000	+4.196%	2	198	+228.859%
2025-10-21	14.3000	14.3000	14.3000	14.3000	+16.260%	1	197	+242.657%
2025-10-16	12.3000	12.3000	12.3000	12.3000	-1.125%	1	197	+298.374%
2025-10-15	12.4400	12.4400	12.4400	12.4400	-6.816%	1	197	+293.891%
2025-10-13	13.3500	13.3500	13.3500	13.3500	-8.874%	5	198	+267.041%
2025-10-10	14.6500	14.6500	14.6500	14.6500	-10.123%	1	198	+234.471%
2025-10-03	16.3000	16.3000	16.3000	16.3000	+0.431%	1	197	+200.613%
2025-10-02	16.2300	16.2300	16.2300	16.2300	-4.248%	15	197	+201.910%
2025-10-01	14.2800	16.9500	14.2800	16.9500	+40.083%	29	205	+189.086%
2025-09-30	9.8900	12.1000	9.8900	12.1000	+36.723%	44	203	+304.959%
2025-09-29	8.6200	8.8500	8.6200	8.8500	+1.259%	8	224	+453.672%
2025-09-26	9.3000	9.3000	8.4500	8.7400	+1.746%	48	219	+460.641%
2025-09-25	9.5000	9.5000	8.5900	8.5900	-10.984%	12	228	+470.431%
2025-09-24	9.7000	9.7000	9.6500	9.6500	-3.015%	15	223	+407.772%
2025-09-23	10.3500	10.3500	9.9500	9.9500	-2.451%	14	211	+392.462%
2025-09-22	10.2000	10.2000	10.1500	10.2000	-8.438%	11	211	+380.392%
2025-09-19	11.1400	11.1400	11.1400	11.1400	+5.094%	1	210	+339.856%
2025-09-16	10.6500	10.6500	10.6000	10.6000	-1.852%	2	209	+362.264%
2025-09-15	10.8500	10.8500	10.7000	10.8000	-8.475%	4	208	+353.704%
2025-09-12	12.0500	12.0500	11.6500	11.8000	-1.255%	5	207	+315.254%
2025-09-10	11.0000	11.9500	11.0000	11.9500	-0.417%	28	208	+310.042%
2025-09-08	11.4000	12.0000	11.4000	12.0000	-2.834%	3	187	+308.333%
2025-09-05	12.5000	12.5000	12.2000	12.3500	+6.466%	48	186	+296.761%
2025-09-04	11.9000	11.9000	11.6000	11.6000	-6.827%	10	174	+322.414%
2025-09-03	12.6000	12.6000	12.4500	12.4500	-2.734%	16	168	+293.574%
2025-09-02	12.8000	12.8000	12.8000	12.8000	-1.387%	2	163	+282.813%
2025-08-26	13.0500	13.2200	12.9800	12.9800	+1.406%	8	163	+277.504%
2025-08-25	12.8000	12.8000	12.8000	12.8000	-10.801%	2	165	+282.813%
2025-08-22	14.3500	14.3500	14.3500	14.3500	0.000%	1	163	+241.463%
2025-08-21	14.5500	14.5500	14.3500	14.3500	+44.221%	6	162	+241.463%
2025-08-12	9.9500	9.9500	9.9500	9.9500	0.000%	1	162	+392.462%
2025-08-06	10.9500	10.9500	9.9500	9.9500	-1.485%	15	162	+392.462%
2025-08-01	10.1000	10.1000	10.1000	10.1000	+8.369%	10	158	+385.149%
2025-07-31	9.3800	9.4500	9.3200	9.3200	-22.720%	232	148	+425.751%
2025-07-30	12.0600	12.0600	12.0600	12.0600	+10.137%	1	331	+306.302%
2025-07-29	10.0000	10.9500	10.0000	10.9500	-17.793%	17	332	+347.489%
2025-07-25	13.3200	13.3200	13.3200	13.3200	+6.560%	1	329	+267.868%
2025-07-23	12.5000	12.5000	12.5000	12.5000	+7.296%	1	329	+292.000%
2025-07-22	11.2000	12.2500	11.2000	11.6500	+7.373%	13	329	+320.601%
2025-07-18	10.8500	10.8500	10.8500	10.8500	-7.265%	200	319	+351.613%
2025-07-17	11.7000	11.7000	11.7000	11.7000	-1.266%	1	123	+318.803%
2025-07-15	11.8500	11.8500	11.8500	11.8500	-10.023%	1	123	+313.502%
2025-07-14	13.3000	13.3000	13.1700	13.1700	-5.929%	2	123	+272.058%
2025-07-10	14.0000	14.0000	14.0000	14.0000	+5.740%	3	123	+250.000%
2025-07-09	13.2400	13.2400	13.2400	13.2400	+4.088%	1	124	+270.091%
2025-07-03	12.7200	12.7200	12.7200	12.7200	-0.703%	1	123	+285.220%
2025-07-02	12.8100	12.8100	12.8100	12.8100	-0.311%	5	123	+282.514%
2025-07-01	12.8500	12.8500	12.8500	12.8500	+18.981%	1	132	+281.323%
2025-06-27	10.8000	10.8000	10.8000	10.8000	-8.861%	1	132	+353.704%
2025-06-23	11.8500	11.8500	11.8500	11.8500	+11.268%	1	131	+313.502%
2025-06-18	10.6500	10.6500	10.6500	10.6500	-12.201%	1	131	+360.094%
2025-06-17	12.1300	12.1300	12.1300	12.1300	-6.692%	1	131	+303.957%
2025-06-16	13.0000	13.0000	13.0000	13.0000	+0.386%	2	131	+276.923%
2025-06-11	12.9500	12.9500	12.9500	12.9500	+7.917%	5	133	+278.378%
2025-06-10	12.0500	12.0500	12.0000	12.0000	+1.266%	2	128	+308.333%
2025-06-09	12.0800	12.0800	11.8500	11.8500	+1.282%	3	128	+313.502%
2025-06-06	11.4700	11.7000	11.4700	11.7000	+17.588%	6	127	+318.803%
2025-06-02	9.9000	9.9500	9.9000	9.9500	-7.614%	2	127	+392.462%
2025-05-22	10.7700	10.7700	10.7700	10.7700	-3.581%	1	127	+354.968%
2025-05-20	11.6000	11.6000	11.1700	11.1700	+2.477%	4	127	+338.675%
2025-05-19	11.3000	11.3000	10.7000	10.9000	+6.341%	8	127	+349.541%
2025-05-16	10.1300	10.2500	10.0500	10.2500	+9.626%	10	126	+378.049%
2025-05-15	8.5900	9.3500	8.5900	9.3500	-13.426%	6	129	+424.064%
2025-05-13	10.5000	11.0500	10.5000	10.8000	-14.961%	5	124	+353.704%
2025-05-12	12.7000	12.7000	12.7000	12.7000	+20.952%	1	123	+285.827%
2025-05-08	10.5000	10.5000	10.5000	10.5000	-27.083%	1	123	+366.667%
2025-05-01	14.4000	14.4000	14.4000	14.4000	+5.109%	1	124	+240.278%
2025-04-25	11.4500	13.7000	11.4500	13.7000	+21.995%	32	124	+257.664%
2025-04-24	10.3000	11.2300	10.3000	11.2300	-4.017%	22	124	+336.331%
2025-04-23	11.7000	11.7000	11.7000	11.7000	0.000%	1	123	+318.803%
2025-04-22	11.7000	11.7000	11.7000	11.7000	+4.464%	10	123	+318.803%
2025-04-15	11.2000	11.2000	11.2000	11.2000	-2.609%	6	123	+337.500%
2025-04-14	11.9800	11.9800	11.5000	11.5000	-2.954%	3	118	+326.087%
2025-04-11	10.7500	11.8500	10.7500	11.8500	+3.947%	224	118	+313.502%
2025-04-09	11.1000	11.4000	11.0300	11.4000	-15.556%	3	98	+329.825%
2025-04-04	13.5000	13.5000	13.5000	13.5000	-28.947%	20	98	+262.963%
2025-03-24	19.0000	19.0000	19.0000	19.0000	-8.213%	10	88	+157.895%
2025-03-14	20.7000	20.7000	20.7000	20.7000	+3.500%	20	78	+136.715%
2025-03-12	20.0000	20.0000	20.0000	20.0000	+41.643%	24	78	+145.000%
2025-02-19	14.1200	14.1200	14.1200	14.1200	+10.745%	1	60	+247.025%
2025-02-18	12.1300	13.1300	12.1300	12.7500	-2.672%	5	60	+284.314%
2025-02-14	13.2800	13.2800	13.1000	13.1000	-14.602%	28	55	+274.046%
2025-02-11	15.3400	15.3400	15.3400	15.3400	-5.600%	1	55	+219.426%
2025-02-07	16.1300	16.2500	16.1300	16.2500	-9.722%	60	55	+201.538%
2025-02-04	17.4000	18.0000	17.4000	18.0000	-28.000%	12	69	+172.222%
2025-01-17	25.0000	25.0000	25.0000	25.0000	-2.913%	2	68	+96.000%
2025-01-15	25.7500	25.7500	25.7500	25.7500	+0.901%	7	68	+90.291%
2025-01-14	25.5000	25.5200	25.5000	25.5200	+1.069%	6	68	+92.006%
2025-01-10	25.5000	25.5500	25.2500	25.2500	+1.000%	32	67	+94.059%
2024-12-30	25.0000	25.0000	25.0000	25.0000	-1.884%	10	67	+96.000%
2024-12-20	25.6500	25.6500	25.4800	25.4800	-6.495%	15	58	+92.308%
2024-12-03	27.2500	27.2500	27.2500	27.2500	+5.212%	1	43	+79.817%
2024-12-02	25.9000	25.9000	25.9000	25.9000	-1.931%	5	42	+89.189%
2024-11-25	26.4100	26.4100	26.4100	26.4100	+1.773%	1	37	+85.536%
2024-11-22	25.9500	25.9500	25.9500	25.9500	+14.066%	10	37	+88.825%
2024-11-15	22.7500	22.7500	22.7500	22.7500	-8.377%	50	32	+115.385%
2024-11-12	25.0000	25.0000	24.8300	24.8300	-11.321%	3	8	+97.342%
2024-11-08	26.6800	28.0000	26.6800	28.0000	-31.624%	8	5	+75.000%
2024-09-17	40.9500	40.9500	40.9500	40.9500	+6.364%	1	4	+19.658%
2024-08-02	38.5000	38.5000	38.5000	38.5000	-30.392%	3	3	+27.273%
2024-06-12	55.3100	55.3100	55.3100	55.3100	0.000%	1	1	-11.408%