Dark

MRK20260918C105
MRK Sep 18 2026 105.00 Call (MRK260918C00105000)
option OPRA

EOD

Jul 21, 2026

21.70-8.938%(-2.13)5

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-07-21	21.7000	21.7000	21.7000	21.7000	-8.938%	5	1,130	0.000%
2026-07-16	23.8300	23.8300	23.8300	23.8300	+35.783%	5	1,130	-8.938%
2026-07-14	17.5500	17.5500	17.5500	17.5500	-9.255%	1	1,125	+23.647%
2026-07-13	19.3400	19.3400	19.3400	19.3400	-5.335%	10	1,126	+12.203%
2026-07-10	20.4300	20.4300	20.4300	20.4300	-17.886%	1	1,136	+6.216%
2026-06-26	24.8500	24.8800	24.8500	24.8800	+90.651%	30	1,136	-12.781%
2026-06-16	13.3500	13.3500	13.0500	13.0500	-32.905%	72	1,164	+66.284%
2026-06-11	18.3000	19.4500	18.3000	19.4500	+22.327%	170	1,164	+11.568%
2026-06-10	16.1500	16.1500	15.9000	15.9000	-17.188%	6	1,298	+36.478%
2026-06-05	19.2300	19.2300	19.2000	19.2000	+35.211%	3	1,292	+13.021%
2026-06-03	13.8000	14.2000	13.7500	14.2000	+4.412%	10	1,291	+52.817%
2026-06-01	14.3000	14.3000	13.6000	13.6000	-25.069%	5	1,291	+59.559%
2026-05-28	18.1500	18.1500	18.1500	18.1500	-1.839%	3	1,291	+19.559%
2026-05-26	18.5500	18.5500	18.4800	18.4900	+36.458%	5	1,288	+17.361%
2026-05-21	13.5000	13.5500	13.5000	13.5500	+17.316%	3	1,285	+60.148%
2026-05-15	13.3600	13.3600	11.5500	11.5500	-7.526%	7	1,283	+87.879%
2026-05-12	12.4900	12.4900	12.4900	12.4900	-4.656%	6	1,277	+73.739%
2026-05-11	13.1000	13.1000	13.1000	13.1000	+8.714%	19	1,277	+65.649%
2026-05-08	12.0500	12.0500	12.0500	12.0500	+2.119%	1	1,296	+80.083%
2026-05-07	11.8000	11.8000	11.8000	11.8000	-11.278%	1	1,296	+83.898%
2026-05-05	13.3000	13.3000	13.3000	13.3000	-2.206%	1	1,296	+63.158%
2026-05-04	13.6000	13.6000	13.6000	13.6000	+23.077%	1	1,296	+59.559%
2026-04-29	11.0500	11.0500	11.0500	11.0500	-25.589%	1	1,296	+96.380%
2026-04-23	14.4200	14.8500	14.4200	14.8500	+7.220%	12	1,295	+46.128%
2026-04-22	13.8500	13.8500	13.8500	13.8500	-0.503%	6	1,307	+56.679%
2026-04-21	15.0000	15.0000	13.9200	13.9200	-17.779%	5	1,305	+55.891%
2026-04-15	16.9300	16.9300	16.9300	16.9300	-11.915%	1	1,305	+28.175%
2026-04-13	19.1000	19.2200	19.1000	19.2200	+7.135%	13	1,306	+12.903%
2026-04-07	18.7900	18.7900	17.9400	17.9400	-13.542%	2	1,317	+20.959%
2026-04-06	20.7500	20.7500	20.7500	20.7500	-0.480%	1	1,315	+4.578%
2026-04-01	20.8500	20.8500	20.8500	20.8500	+10.317%	1	1,315	+4.077%
2026-03-30	21.4300	21.4300	18.8300	18.9000	-6.436%	3	1,315	+14.815%
2026-03-26	20.2000	20.2000	20.2000	20.2000	+20.958%	1	1,314	+7.426%
2026-03-20	16.6300	16.7000	16.6300	16.7000	-4.571%	2	1,315	+29.940%
2026-03-18	17.5000	17.5000	17.5000	17.5000	+2.639%	19	1,315	+24.000%
2026-03-13	17.4500	17.5500	16.9500	17.0500	-0.583%	53	1,315	+27.273%
2026-03-12	17.0500	17.1500	17.0500	17.1500	-0.580%	138	1,267	+26.531%
2026-03-11	17.6400	17.6400	17.2300	17.2500	-4.959%	26	1,148	+25.797%
2026-03-10	18.7000	18.7000	18.1500	18.1500	+4.011%	6	1,133	+19.559%
2026-03-09	17.4500	17.4500	17.4500	17.4500	+0.345%	1	1,127	+24.355%
2026-03-05	19.2900	19.2900	16.8700	17.3900	-11.094%	19	1,126	+24.784%
2026-03-04	19.6700	19.6700	19.5600	19.5600	-2.687%	47	1,119	+10.941%
2026-03-03	20.1000	20.1000	20.1000	20.1000	-7.586%	2	1,155	+7.960%
2026-03-02	22.6500	22.6500	21.7500	21.7500	-5.476%	3	1,155	-0.230%
2026-02-27	20.6100	23.0100	20.6100	23.0100	+0.480%	10	1,155	-5.693%
2026-02-23	21.6600	22.9000	21.6600	22.9000	+5.774%	56	1,163	-5.240%
2026-02-20	21.6700	21.6700	21.6500	21.6500	0.000%	2	1,203	+0.231%
2026-02-12	20.5000	21.6500	20.5000	21.6500	+18.630%	11	1,203	+0.231%
2026-02-10	18.2500	18.2500	18.2500	18.2500	+0.055%	4	1,203	+18.904%
2026-02-09	19.4500	19.4500	18.2400	18.2400	-17.429%	12	1,203	+18.969%
2026-02-06	21.9500	22.0900	21.9500	22.0900	-0.540%	8	1,193	-1.766%
2026-02-05	21.8000	22.2100	21.8000	22.2100	+17.762%	2	1,195	-2.296%
2026-02-04	19.7000	19.7000	18.8600	18.8600	+11.532%	5	1,196	+15.058%
2026-02-03	17.6500	18.2700	16.5500	16.9100	+12.733%	258	1,200	+28.326%
2026-02-02	13.9600	15.0000	13.9600	15.0000	+14.943%	3	1,075	+44.667%
2026-01-30	13.0500	13.0500	13.0500	13.0500	+1.953%	3	1,075	+66.284%
2026-01-29	12.3300	12.8000	12.3300	12.8000	+20.188%	2	1,078	+69.531%
2026-01-28	10.7500	10.7500	10.6000	10.6500	-7.792%	13	1,079	+103.756%
2026-01-27	10.8400	11.5500	10.8400	11.5500	+0.348%	5	1,073	+87.879%
2026-01-26	11.4500	11.5100	11.4500	11.5100	-4.083%	3	1,075	+88.532%
2026-01-23	12.0000	12.0000	12.0000	12.0000	-3.226%	1	1,074	+80.833%
2026-01-22	13.7000	13.7000	12.4000	12.4000	-11.429%	11	1,073	+75.000%
2026-01-21	14.0000	14.0000	14.0000	14.0000	+12.000%	5	1,078	+55.000%
2026-01-16	12.9000	12.9000	12.5000	12.5000	-6.716%	11	1,072	+73.600%
2026-01-15	13.4000	13.4000	13.4000	13.4000	+10.016%	2	1,072	+61.940%
2026-01-13	12.0000	12.1800	11.9500	12.1800	-2.560%	28	1,072	+78.161%
2026-01-12	12.9600	12.9600	12.5000	12.5000	-9.289%	15	1,074	+73.600%
2026-01-09	14.6400	14.6400	13.7100	13.7800	-0.145%	10	1,070	+57.475%
2026-01-08	13.7200	13.8000	13.6200	13.8000	+10.932%	46	1,069	+57.246%
2026-01-07	12.1000	12.4400	12.1000	12.4400	-3.491%	10	1,069	+74.437%
2026-01-06	12.3500	12.8900	12.3500	12.8900	+12.576%	4	1,061	+68.348%
2026-01-05	11.2000	11.7100	10.9000	11.4500	+9.569%	18	1,059	+89.520%
2026-01-02	10.7500	10.7500	10.4000	10.4500	-1.415%	13	1,066	+107.656%
2025-12-31	10.6000	10.6000	10.6000	10.6000	-4.246%	1	1,059	+104.717%
2025-12-30	10.9500	11.0700	10.9500	11.0700	-2.895%	2	1,059	+96.025%
2025-12-29	11.4000	11.4000	11.4000	11.4000	+1.786%	1	1,060	+90.351%
2025-12-26	11.3100	11.3100	11.2000	11.2000	+10.236%	4	1,059	+93.750%
2025-12-23	10.0900	10.3800	10.0900	10.1600	+0.994%	4	1,059	+113.583%
2025-12-22	9.4000	10.0600	9.4000	10.0600	+18.772%	300	1,060	+115.706%
2025-12-19	8.3000	8.4700	8.2400	8.4700	+2.418%	8	764	+156.198%
2025-12-18	8.4000	8.4000	8.2700	8.2700	+22.519%	2	760	+162.394%
2025-12-16	6.4000	6.7500	6.4000	6.7500	-11.184%	8	759	+221.481%
2025-12-12	7.2000	7.7500	7.2000	7.6000	+9.353%	13	762	+185.526%
2025-12-11	6.6500	7.0000	6.2600	6.9500	+7.752%	74	751	+212.230%
2025-12-10	6.3500	6.4500	6.2500	6.4500	+4.032%	80	725	+236.434%
2025-12-09	6.8000	6.8000	6.2000	6.2000	-9.753%	20	654	+250.000%
2025-12-08	7.2000	7.2000	6.8700	6.8700	-6.531%	5	657	+215.866%
2025-12-05	7.3000	7.3500	7.3000	7.3500	-13.018%	3	658	+195.238%
2025-12-04	8.3200	8.5000	8.2500	8.4500	-4.412%	26	656	+156.805%
2025-12-03	8.8400	8.8400	8.8400	8.8400	+8.466%	5	640	+145.475%
2025-12-02	8.2000	8.2000	7.9500	8.1500	-6.857%	70	635	+166.258%
2025-12-01	10.6100	10.6100	8.7500	8.7500	-20.091%	184	636	+148.000%
2025-11-28	10.9500	10.9500	10.9500	10.9500	+1.955%	1	663	+98.174%
2025-11-26	10.6800	10.8300	10.5500	10.7400	-4.533%	20	675	+102.048%
2025-11-25	8.8500	11.2500	8.8500	11.2500	+32.353%	46	675	+92.889%
2025-11-24	8.4500	9.2000	8.4500	8.5000	+9.677%	72	653	+155.294%
2025-11-21	6.4000	7.9000	6.3800	7.7500	+30.252%	217	601	+180.000%
2025-11-20	6.2400	6.2400	5.8000	5.9500	0.000%	9	591	+264.706%
2025-11-19	6.6500	6.6500	5.9500	5.9500	-16.433%	25	597	+264.706%
2025-11-18	7.1000	7.4000	6.6500	7.1200	+31.852%	7	573	+204.775%
2025-11-17	5.4500	5.4500	5.4000	5.4000	+0.935%	9	573	+301.852%
2025-11-14	5.4000	6.0000	5.3500	5.3500	-2.727%	27	573	+305.607%
2025-11-13	4.9700	5.5000	4.9700	5.5000	+18.280%	4	573	+294.545%
2025-11-12	5.1000	5.1000	4.6500	4.6500	+12.048%	26	575	+366.667%
2025-11-11	3.9500	4.1500	3.9000	4.1500	+38.333%	13	549	+422.892%
2025-11-07	2.8200	3.0000	2.8200	3.0000	+17.647%	6	539	+623.333%
2025-11-06	2.5500	2.5500	2.5500	2.5500	-1.923%	3	539	+750.980%
2025-11-05	2.4000	2.6000	2.4000	2.6000	+3.586%	10	539	+734.615%
2025-11-04	2.6300	2.6300	2.5100	2.5100	+20.673%	2	538	+764.542%
2025-11-03	2.0800	2.0800	2.0800	2.0800	-21.509%	1	536	+943.269%
2025-10-31	2.8000	2.8000	2.6500	2.6500	-18.462%	6	536	+718.868%
2025-10-29	3.0500	3.2500	3.0500	3.2500	-7.143%	44	530	+567.692%
2025-10-28	3.5000	3.5000	3.5000	3.5000	+4.790%	10	510	+520.000%
2025-10-24	3.3400	3.3400	3.3400	3.3400	-15.443%	1	500	+549.701%
2025-10-22	3.9500	3.9500	3.9500	3.9500	+12.857%	28	526	+449.367%
2025-10-21	3.5000	3.5000	3.5000	3.5000	+19.048%	47	515	+520.000%
2025-10-16	2.9400	2.9400	2.9400	2.9400	+10.112%	2	473	+638.095%
2025-10-15	2.6700	2.6700	2.6700	2.6700	-16.563%	8	471	+712.734%
2025-10-13	3.2500	3.2500	3.2000	3.2000	-16.883%	10	471	+578.125%
2025-10-10	3.7800	3.9000	3.7800	3.8500	+6.944%	62	464	+463.636%
2025-10-09	3.6000	3.6000	3.6000	3.6000	+4.348%	1	402	+502.778%
2025-10-08	3.5000	3.5000	3.4500	3.4500	-6.757%	3	402	+528.986%
2025-10-07	3.7000	3.7000	3.7000	3.7000	-12.322%	28	375	+486.486%
2025-10-06	4.2200	4.2200	4.2200	4.2200	-5.169%	1	375	+414.218%
2025-10-03	4.4500	4.5500	4.4500	4.4500	+5.701%	133	376	+387.640%
2025-10-02	4.4000	4.4000	4.2100	4.2100	-6.444%	2	327	+415.439%
2025-10-01	3.4000	4.6200	3.4000	4.5000	+75.781%	18	326	+382.222%
2025-09-30	1.9600	2.5600	1.8800	2.5600	+70.667%	59	322	+747.656%
2025-09-29	1.5000	1.5200	1.4900	1.5000	0.000%	14	312	+1,346.667%
2025-09-26	1.5000	1.5000	1.5000	1.5000	+7.143%	1	314	+1,346.667%
2025-09-25	1.7000	1.7000	1.4000	1.4000	-28.934%	75	314	+1,450.000%
2025-09-23	1.9700	1.9700	1.9700	1.9700	-1.500%	5	273	+1,001.523%
2025-09-22	2.2600	2.2600	2.0000	2.0000	-9.910%	15	277	+985.000%
2025-09-19	2.2100	2.2200	2.2000	2.2200	-1.770%	14	272	+877.477%
2025-09-18	2.2600	2.2600	2.2600	2.2600	+5.607%	1	258	+860.177%
2025-09-16	2.0900	2.1900	2.0900	2.1400	-4.036%	77	259	+914.019%
2025-09-15	2.2900	2.2900	2.2000	2.2300	-9.350%	8	233	+873.094%
2025-09-12	2.4600	2.4600	2.4600	2.4600	-3.150%	12	239	+782.114%
2025-09-10	2.5300	2.5600	2.4600	2.5400	-4.511%	23	233	+754.331%
2025-09-09	2.6400	2.6600	2.6400	2.6600	+4.724%	6	214	+715.789%
2025-09-08	2.5900	2.5900	2.4900	2.5400	-4.869%	21	220	+754.331%
2025-09-05	2.6000	2.6700	2.6000	2.6700	+5.118%	4	240	+712.734%
2025-09-04	2.4600	2.5900	2.4600	2.5400	-18.328%	10	244	+754.331%
2025-09-02	3.1100	3.1100	3.1100	3.1100	+15.613%	1	239	+597.749%
2025-08-27	2.6900	2.6900	2.6900	2.6900	-13.226%	1	239	+706.691%
2025-08-26	2.9800	3.1000	2.9800	3.1000	+13.971%	26	239	+600.000%
2025-08-25	2.9900	3.0500	2.7200	2.7200	-18.806%	6	218	+697.794%
2025-08-22	3.5300	3.6000	3.3500	3.3500	-4.286%	29	217	+547.761%
2025-08-21	3.5500	3.5500	3.5000	3.5000	+9.375%	12	197	+520.000%
2025-08-20	3.2500	3.2500	3.2000	3.2000	-0.312%	14	195	+578.125%
2025-08-19	3.1500	3.2100	3.1500	3.2100	+20.225%	18	181	+576.012%
2025-08-14	2.6700	2.6700	2.6700	2.6700	+12.658%	5	171	+712.734%
2025-08-13	2.3700	2.3700	2.3700	2.3700	+21.538%	2	170	+815.612%
2025-08-12	2.1000	2.1000	1.9500	1.9500	-7.143%	2	170	+1,012.821%
2025-08-11	2.1100	2.1100	2.1000	2.1000	-7.489%	17	170	+933.333%
2025-08-08	2.2300	2.2900	2.1800	2.2700	+3.182%	15	153	+855.947%
2025-08-05	2.1800	2.2800	2.0400	2.2000	+9.453%	4	141	+886.364%
2025-08-04	2.0100	2.0100	2.0100	2.0100	+4.145%	1	139	+979.602%
2025-08-01	2.0600	2.0600	1.9300	1.9300	+0.521%	2	138	+1,024.352%
2025-07-31	1.9200	1.9200	1.9200	1.9200	-31.429%	1	138	+1,030.208%
2025-07-30	2.8000	2.8000	2.8000	2.8000	-24.324%	1	137	+675.000%
2025-07-23	3.7000	3.7000	3.7000	3.7000	+13.846%	1	136	+486.486%
2025-07-16	3.2500	3.2500	3.2500	3.2500	-9.722%	5	135	+567.692%
2025-07-14	3.6000	3.6100	3.4300	3.6000	+4.956%	87	130	+502.778%
2025-07-11	3.5000	3.5000	3.4300	3.4300	-8.289%	2	48	+532.653%
2025-07-10	3.6700	3.8100	3.6700	3.7400	+6.857%	3	49	+480.214%
2025-07-02	3.7000	3.7000	3.5000	3.5000	+2.639%	2	48	+520.000%
2025-07-01	3.4200	3.4200	3.4100	3.4100	+8.254%	24	47	+536.364%
2025-06-20	3.1500	3.1500	3.1500	3.1500	-5.970%	12	28	+588.889%
2025-06-18	3.0500	3.3500	3.0500	3.3500	-13.660%	6	29	+547.761%
2025-06-13	4.0400	4.0400	3.8800	3.8800	+4.021%	4	29	+459.278%
2025-06-12	3.8000	3.9300	3.7300	3.7300	+5.070%	5	29	+481.769%
2025-06-11	3.6000	3.6000	3.5500	3.5500	+1.429%	13	29	+511.268%
2025-06-10	3.6800	3.6800	3.5000	3.5000	+6.061%	2	16	+520.000%
2025-06-06	3.4500	3.4500	3.3000	3.3000	+2.804%	32	16	+557.576%
2025-06-04	3.3800	3.3800	3.2100	3.2100	+15.468%	2	0	+576.012%
2025-06-02	2.5800	2.7800	2.5800	2.7800	0.000%	2	0	+680.576%