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MRK20261218C85
MRK Dec 18 2026 85.00 Call (MRK261218C00085000)
option OPRA

EOD

Sep 3, 2026

66.97-0.741%(-0.50)1

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-03	66.9700	66.9700	66.9700	66.9700	-0.741%	1	343	0.000%
2026-08-19	67.4700	67.4700	67.4700	67.4700	+36.496%	1	343	-0.741%
2026-08-14	49.4300	49.4300	49.4300	49.4300	+9.942%	4	343	+35.485%
2026-08-06	44.9600	44.9600	44.9600	44.9600	+4.558%	1	347	+48.955%
2026-08-03	43.0000	43.0000	43.0000	43.0000	+16.405%	1	347	+55.744%
2026-07-14	37.4200	37.4200	36.9400	36.9400	-18.491%	3	347	+81.294%
2026-07-07	45.3200	45.3200	45.3200	45.3200	+24.677%	2	346	+47.771%
2026-06-12	37.3100	37.3100	36.3500	36.3500	-4.216%	3	346	+84.237%
2026-06-11	37.0000	37.9500	37.0000	37.9500	+6.901%	3	343	+76.469%
2026-06-09	35.5000	35.5000	35.5000	35.5000	+2.305%	29	342	+88.648%
2026-06-04	34.7000	34.7000	34.7000	34.7000	+16.443%	1	341	+92.997%
2026-04-24	30.0000	30.0000	29.8000	29.8000	-23.999%	4	342	+124.732%
2026-04-08	39.2100	39.2100	39.2100	39.2100	+20.092%	1	346	+70.798%
2026-03-19	32.6500	32.6500	32.6500	32.6500	-4.140%	1	346	+105.115%
2026-03-05	34.0600	34.0600	34.0600	34.0600	-9.727%	10	352	+96.624%
2026-03-03	37.9900	37.9900	37.6500	37.7300	-5.981%	15	352	+77.498%
2026-02-27	40.1700	40.1700	40.1300	40.1300	+9.197%	5	352	+66.883%
2026-02-26	36.6500	36.7500	36.6500	36.7500	-6.962%	3	351	+82.231%
2026-02-25	41.1000	41.1000	39.5000	39.5000	+15.497%	11	360	+69.544%
2026-02-11	34.2000	34.2000	34.2000	34.2000	-0.754%	1	360	+95.819%
2026-02-10	34.4600	34.4600	34.4600	34.4600	-10.633%	1	361	+94.341%
2026-02-05	38.5600	38.5600	38.5600	38.5600	+13.881%	1	362	+73.677%
2026-02-03	33.7200	33.8600	33.7200	33.8600	+25.547%	2	362	+97.785%
2026-01-30	26.9700	26.9700	26.9700	26.9700	+4.942%	1	362	+148.313%
2026-01-28	25.0000	25.7000	25.0000	25.7000	-5.619%	5	363	+160.584%
2026-01-20	26.4500	27.2300	26.4500	27.2300	-4.523%	4	367	+145.942%
2026-01-15	28.5200	28.5200	28.5200	28.5200	+7.017%	1	363	+134.818%
2026-01-13	26.6500	26.6500	26.6500	26.6500	-5.396%	9	363	+151.295%
2026-01-12	28.1700	28.1700	28.1700	28.1700	-4.992%	1	354	+137.735%
2026-01-09	29.6500	29.6500	29.6500	29.6500	+10.223%	1	355	+125.868%
2026-01-07	26.7500	26.9000	26.7500	26.9000	+5.284%	2	355	+148.959%
2026-01-05	25.5500	25.5500	25.5500	25.5500	+4.414%	1	356	+162.114%
2026-01-02	23.5300	24.4700	23.5300	24.4700	-2.120%	12	356	+173.682%
2025-12-30	25.2300	25.2300	25.0000	25.0000	-4.617%	22	359	+167.880%
2025-12-29	26.2100	26.2100	26.2100	26.2100	+2.583%	2	360	+155.513%
2025-12-24	25.5500	25.5500	25.5500	25.5500	+11.329%	4	361	+162.114%
2025-12-22	22.9500	22.9500	22.9500	22.9500	+11.138%	1	361	+191.808%
2025-12-18	20.6500	20.6500	20.6500	20.6500	+8.399%	1	361	+224.310%
2025-12-17	19.0500	19.0500	19.0500	19.0500	+0.263%	1	361	+251.549%
2025-12-16	18.2500	19.0000	18.2500	19.0000	+0.796%	2	361	+252.474%
2025-12-11	18.7000	18.8500	18.7000	18.8500	+5.602%	15	360	+255.279%
2025-12-10	17.8500	17.8500	17.8500	17.8500	-9.160%	1	360	+275.182%
2025-12-05	19.2000	19.6500	19.2000	19.6500	-6.872%	6	360	+240.814%
2025-12-04	21.1000	21.1000	21.1000	21.1000	-3.078%	1	360	+217.393%
2025-12-03	21.7700	21.7700	21.7700	21.7700	+8.579%	10	360	+207.625%
2025-12-02	20.0500	20.0500	20.0500	20.0500	-11.868%	1	360	+234.015%
2025-12-01	22.7500	22.7500	22.7500	22.7500	-4.492%	1	360	+194.374%
2025-11-28	23.8200	23.8200	23.8200	23.8200	-2.776%	1	361	+181.150%
2025-11-26	23.8400	24.6000	23.8400	24.5000	+17.281%	5	362	+173.347%
2025-11-24	20.8900	20.8900	20.8900	20.8900	+5.987%	1	362	+220.584%
2025-11-21	19.7000	19.7100	19.7000	19.7100	+20.183%	6	362	+239.777%
2025-11-20	16.4500	16.4500	16.4000	16.4000	-0.606%	2	361	+308.354%
2025-11-19	16.5000	16.5000	16.5000	16.5000	-8.688%	5	362	+305.879%
2025-11-18	17.0000	18.2400	17.0000	18.0700	+21.684%	8	362	+270.614%
2025-11-17	15.5800	16.2000	14.8500	14.8500	-7.936%	12	365	+350.976%
2025-11-14	15.2400	16.1300	15.2400	16.1300	+3.265%	2	363	+315.189%
2025-11-13	15.6200	15.6200	15.6200	15.6200	+4.832%	1	361	+328.745%
2025-11-12	14.9000	14.9000	14.9000	14.9000	+8.839%	1	360	+349.463%
2025-11-11	12.3000	13.6900	12.3000	13.6900	+47.204%	34	360	+389.189%
2025-11-05	9.3000	9.3000	9.3000	9.3000	-3.627%	10	343	+620.108%
2025-11-04	9.6500	9.6500	9.6500	9.6500	+10.920%	10	353	+593.990%
2025-11-03	8.9500	8.9500	8.7000	8.7000	-17.536%	33	343	+669.770%
2025-10-31	10.0000	10.5500	10.0000	10.5500	-4.091%	3	343	+534.787%
2025-10-30	9.2700	11.0000	9.2700	11.0000	0.000%	30	343	+508.818%
2025-10-28	12.0000	12.0000	11.0000	11.0000	-6.463%	4	344	+508.818%
2025-10-27	11.3000	11.7600	11.3000	11.7600	+2.083%	2	341	+469.473%
2025-10-24	11.5200	11.5200	11.5200	11.5200	-2.373%	1	341	+481.337%
2025-10-21	11.0500	11.8000	11.0500	11.8000	+7.273%	2	340	+467.542%
2025-10-20	11.4000	11.4000	10.9500	11.0000	+10.442%	32	340	+508.818%
2025-10-17	9.9600	9.9600	9.9600	9.9600	+2.893%	20	322	+572.390%
2025-10-16	10.3600	10.3600	9.6800	9.6800	+3.529%	2	322	+591.839%
2025-10-15	9.5400	9.5400	9.3500	9.3500	-7.882%	8	322	+616.257%
2025-10-14	10.2600	10.4000	10.1500	10.1500	-6.881%	29	322	+559.803%
2025-10-13	11.0000	11.0000	10.8500	10.9000	-1.802%	5	330	+514.404%
2025-10-10	11.2500	11.9500	11.1000	11.1000	-6.329%	42	330	+503.333%
2025-10-09	11.7700	11.9200	11.7700	11.8500	+5.146%	13	312	+465.148%
2025-10-08	11.2700	11.2700	11.2700	11.2700	-11.260%	1	301	+494.232%
2025-10-07	12.0000	12.7000	12.0000	12.7000	-3.127%	5	302	+427.323%
2025-10-06	13.1100	13.1100	13.1100	13.1100	-3.603%	10	302	+410.831%
2025-10-03	13.8500	13.8800	13.4500	13.6000	+3.580%	10	304	+392.426%
2025-10-02	14.1400	14.1400	12.5500	13.1300	-7.011%	27	305	+410.053%
2025-10-01	10.8000	14.1200	10.6500	14.1200	+47.083%	36	298	+374.292%
2025-09-30	8.8000	9.6000	8.8000	9.6000	+40.146%	22	313	+597.604%
2025-09-29	6.9400	6.9800	6.8500	6.8500	+3.008%	30	335	+877.664%
2025-09-26	6.4800	6.7500	6.4800	6.6500	+1.527%	36	324	+907.068%
2025-09-25	6.9000	6.9000	6.5500	6.5500	-11.486%	74	347	+922.443%
2025-09-24	7.6000	7.6000	7.4000	7.4000	-7.152%	15	337	+805.000%
2025-09-23	7.8600	7.9700	7.8600	7.9700	+1.529%	14	337	+740.276%
2025-09-22	7.8500	7.8500	7.8500	7.8500	-7.101%	8	323	+753.121%
2025-09-18	8.4500	8.4500	8.4500	8.4500	+1.807%	12	323	+692.544%
2025-09-17	8.3000	8.3000	8.3000	8.3000	+1.840%	1	325	+706.867%
2025-09-16	8.1500	8.1500	8.1500	8.1500	+0.742%	3	325	+721.718%
2025-09-15	8.5500	8.5500	8.0900	8.0900	-11.391%	15	325	+727.812%
2025-09-12	9.1200	9.1300	9.1200	9.1300	-5.682%	4	326	+633.516%
2025-09-11	9.6800	9.6800	9.6800	9.6800	+5.792%	5	326	+591.839%
2025-09-10	9.1500	9.1500	9.1500	9.1500	-7.107%	1	321	+631.913%
2025-09-05	9.8500	9.8500	9.8500	9.8500	0.000%	1	321	+579.898%
2025-09-03	10.2000	10.2000	9.8500	9.8500	-6.988%	5	320	+579.898%
2025-09-02	10.2500	10.7500	10.2500	10.5900	+9.175%	18	316	+532.389%
2025-08-29	9.7500	9.7500	9.7000	9.7000	+4.189%	5	315	+590.412%
2025-08-28	9.3100	9.3100	9.3100	9.3100	-5.000%	2	315	+619.334%
2025-08-27	9.9000	9.9000	9.7500	9.8000	-7.109%	20	315	+583.367%
2025-08-26	10.4500	10.6500	10.4000	10.5500	0.000%	25	295	+534.787%
2025-08-25	10.9000	10.9000	10.5500	10.5500	-9.052%	2	270	+534.787%
2025-08-22	11.6000	11.6000	11.6000	11.6000	-0.855%	1	270	+477.328%
2025-08-21	11.8000	11.8000	11.7000	11.7000	+10.377%	6	269	+472.393%
2025-08-20	10.6000	10.6000	10.6000	10.6000	+0.474%	1	265	+531.792%
2025-08-19	10.5500	10.5500	10.5500	10.5500	+0.572%	1	264	+534.787%
2025-08-18	10.6500	10.8100	10.1900	10.4900	+31.950%	34	263	+538.418%
2025-08-12	7.9500	7.9500	7.9500	7.9500	+9.655%	5	251	+742.390%
2025-08-01	7.2500	7.2500	7.2500	7.2500	-19.444%	1	251	+823.724%
2025-07-30	9.0000	9.0000	9.0000	9.0000	-17.808%	1	251	+644.111%
2025-07-28	10.9500	10.9500	10.9500	10.9500	-3.097%	1	251	+511.598%
2025-07-25	11.0000	11.3000	10.7000	11.3000	+4.630%	12	250	+492.655%
2025-07-24	10.8000	10.8000	10.8000	10.8000	+32.353%	1	254	+520.093%
2025-07-21	8.3500	8.3500	8.1600	8.1600	-6.099%	31	254	+720.711%
2025-07-18	9.1000	9.1000	8.6900	8.6900	-10.412%	205	254	+670.656%
2025-07-17	9.7000	9.7000	9.7000	9.7000	-3.000%	1	372	+590.412%
2025-07-16	9.9400	10.0000	9.9400	10.0000	+3.093%	5	371	+569.700%
2025-07-15	9.9000	9.9000	9.7000	9.7000	-10.846%	11	371	+590.412%
2025-07-14	10.8200	10.8800	10.8000	10.8800	-0.183%	11	371	+515.533%
2025-07-10	10.9000	10.9000	10.9000	10.9000	-1.357%	1	378	+514.404%
2025-07-09	10.7000	11.0500	10.7000	11.0500	+13.918%	8	378	+506.063%
2025-07-07	9.6300	9.7000	9.6300	9.7000	-6.461%	3	378	+590.412%
2025-07-01	10.3700	10.3700	10.3700	10.3700	+8.929%	2	393	+545.805%
2025-06-25	9.5200	9.5200	9.5200	9.5200	+0.741%	3	395	+603.466%
2025-06-23	9.4500	9.4500	9.4500	9.4500	+1.178%	2	395	+608.677%
2025-06-20	9.3400	9.3400	9.3400	9.3400	-3.212%	2	395	+617.024%
2025-06-17	10.0500	10.0500	9.6500	9.6500	-16.810%	16	395	+593.990%
2025-06-12	10.5800	11.6000	10.4800	11.6000	+13.725%	201	394	+477.328%
2025-06-10	10.2000	10.2000	10.2000	10.2000	+8.511%	1	247	+556.569%
2025-06-09	9.4500	9.4500	9.4000	9.4000	-4.569%	6	247	+612.447%
2025-06-06	9.8500	9.8500	9.8500	9.8500	+10.056%	6	247	+579.898%
2025-06-05	9.1500	9.3000	8.9500	8.9500	-5.789%	3	247	+648.268%
2025-06-04	9.3000	9.5000	9.3000	9.5000	+11.765%	3	245	+604.947%
2025-06-03	8.4000	8.5000	8.4000	8.5000	+5.590%	3	245	+687.882%
2025-06-02	8.0000	8.0500	8.0000	8.0500	-9.551%	4	246	+731.925%
2025-05-30	8.9000	8.9000	8.9000	8.9000	-1.111%	4	244	+652.472%
2025-05-27	8.8500	9.0000	8.8500	9.0000	0.000%	2	246	+644.111%
2025-05-23	8.8400	9.0900	8.8400	9.0000	-1.424%	8	244	+644.111%
2025-05-22	8.8300	9.1300	8.8300	9.1300	+3.750%	2	244	+633.516%
2025-05-21	8.8000	8.8000	8.8000	8.8000	-3.614%	1	244	+661.023%
2025-05-20	9.2700	9.2700	9.1000	9.1300	+3.868%	14	243	+633.516%
2025-05-19	8.5600	8.7900	8.5600	8.7900	+23.282%	2	241	+661.889%
2025-05-15	6.9700	7.1300	6.2700	7.1300	+1.135%	295	241	+839.271%
2025-05-14	7.0500	7.0500	7.0500	7.0500	-17.059%	1	187	+849.929%
2025-05-13	9.6000	9.6000	8.5000	8.5000	-15.842%	12	192	+687.882%
2025-05-12	10.1000	10.1000	10.1000	10.1000	-8.182%	1	191	+563.069%
2025-05-06	11.0000	11.0000	11.0000	11.0000	-7.407%	1	191	+508.818%
2025-05-01	11.8800	11.8800	11.8800	11.8800	-6.087%	2	191	+463.721%
2025-04-29	12.8000	12.8000	12.6500	12.6500	+8.584%	6	189	+429.407%
2025-04-25	11.6500	11.6500	11.6500	11.6500	+26.906%	4	184	+474.850%
2025-04-17	9.1800	9.1800	9.1800	9.1800	+10.602%	1	184	+629.521%
2025-04-16	8.3000	8.3000	8.3000	8.3000	-19.807%	1	184	+706.867%
2025-04-09	10.3500	10.3500	10.3500	10.3500	-20.690%	1	184	+547.053%
2025-04-02	13.0500	13.0500	13.0500	13.0500	-2.101%	4	183	+413.180%
2025-04-01	13.3300	13.3300	13.3300	13.3300	-6.456%	4	183	+402.401%
2025-03-28	14.2500	14.2500	14.2500	14.2500	+4.779%	2	183	+369.965%
2025-03-26	13.6000	13.6000	13.6000	13.6000	+2.719%	3	183	+392.426%
2025-03-25	13.2400	13.2400	13.2400	13.2400	-22.482%	4	183	+405.816%
2025-03-05	17.0800	17.0800	17.0800	17.0800	-13.299%	100	179	+292.096%
2025-03-04	18.1000	19.7000	18.1000	19.7000	+18.318%	103	250	+239.949%
2025-03-03	16.6500	16.6500	16.6500	16.6500	+5.513%	100	283	+302.222%
2025-02-28	15.7800	15.7800	15.7800	15.7800	+3.816%	200	333	+324.398%
2025-02-27	15.3000	15.3000	15.2000	15.2000	+7.042%	4	433	+340.592%
2025-02-26	14.3700	14.4500	14.0900	14.2000	-12.074%	7	433	+371.620%
2025-02-24	16.1500	16.1500	16.1500	16.1500	+17.883%	1	437	+314.675%
2025-02-21	13.7000	13.7000	13.7000	13.7000	0.000%	100	437	+388.832%
2025-02-20	12.8000	13.7000	12.8000	13.7000	+15.126%	58	387	+388.832%
2025-02-19	11.4300	11.9000	11.4300	11.9000	+13.767%	53	338	+462.773%
2025-02-18	10.5500	10.5500	10.1500	10.4600	-5.935%	59	288	+540.249%
2025-02-14	11.1200	11.1200	11.1200	11.1200	-4.713%	100	184	+502.248%
2025-02-13	11.9500	11.9500	11.6700	11.6700	-13.556%	53	184	+473.865%
2025-02-12	12.5500	13.5000	12.5500	13.5000	+4.895%	54	132	+396.074%
2025-02-11	10.8000	12.8700	10.8000	12.8700	-12.982%	51	81	+420.357%
2025-02-04	14.7200	14.7900	14.6700	14.7900	-34.120%	4	30	+352.806%
2025-01-15	22.4500	22.4500	22.4500	22.4500	+1.126%	7	30	+198.307%
2025-01-14	22.2000	22.2000	22.2000	22.2000	-3.057%	3	30	+201.667%
2025-01-13	22.9000	22.9000	22.9000	22.9000	-3.782%	1	30	+192.445%
2025-01-07	24.1000	24.1000	23.8000	23.8000	+5.778%	2	30	+181.387%
2024-12-12	22.5000	22.5000	22.5000	22.5000	+1.124%	1	31	+197.644%
2024-12-11	22.2500	22.2500	22.2500	22.2500	-9.919%	1	30	+200.989%
2024-12-06	24.7000	24.7000	24.7000	24.7000	+9.486%	2	31	+171.134%
2024-12-02	22.5600	22.5600	22.5600	22.5600	-8.181%	1	30	+196.853%
2024-11-27	24.5700	24.5700	24.5700	24.5700	+8.238%	1	28	+172.568%
2024-11-26	22.7000	22.7000	22.7000	22.7000	-1.304%	2	28	+195.022%
2024-11-25	23.0000	23.0000	23.0000	23.0000	+12.469%	1	30	+191.174%
2024-11-21	20.4500	20.4500	20.4500	20.4500	-12.232%	2	27	+227.482%
2024-11-06	23.3000	23.3000	23.3000	23.3000	-6.800%	3	27	+187.425%
2024-10-30	25.0000	25.0000	25.0000	25.0000	-8.925%	1	27	+167.880%
2024-10-23	27.4500	27.4500	27.4500	27.4500	-10.000%	1	26	+143.971%
2024-10-17	30.5000	30.5000	30.5000	30.5000	-1.613%	1	25	+119.574%
2024-10-15	31.0000	31.0000	31.0000	31.0000	+5.802%	1	24	+116.032%
2024-10-11	29.3000	29.3000	29.3000	29.3000	-2.007%	2	24	+128.567%
2024-10-08	29.9000	29.9000	29.9000	29.9000	-12.675%	2	23	+123.980%
2024-09-10	34.1700	34.2700	34.1000	34.2400	-5.934%	9	25	+95.590%
2024-08-26	36.4000	36.4000	36.4000	36.4000	+7.884%	5	16	+83.984%
2024-07-31	33.7000	33.7400	33.7000	33.7400	-6.017%	6	16	+98.488%
2024-07-30	35.8700	35.9000	35.8600	35.9000	-25.488%	8	10	+86.546%
2024-06-14	48.1800	48.1800	48.1800	48.1800	0.000%	2	2	+39.000%