Dark

MRK20261218P55
MRK Dec 18 2026 55.00 Put (MRK261218P00055000)
option OPRA

EOD

Sep 2, 2026

0.0300+200.000%(+0.0200)2

Date (EDT)	Open	High	Low	Close	Change	Volume	Open Interest	Change Since
2026-09-02	0.0300	0.0300	0.0300	0.0300	+200.000%	2	597	0.000%
2026-08-28	0.0100	0.0100	0.0100	0.0100	-66.667%	1	597	+200.000%
2026-08-27	0.0300	0.0300	0.0300	0.0300	+200.000%	3	596	0.000%
2026-08-19	0.9500	0.9500	0.0100	0.0100	-75.000%	14	596	+200.000%
2026-08-14	0.1400	0.1400	0.0400	0.0400	-33.333%	2	596	-25.000%
2026-08-11	0.1600	0.1600	0.0600	0.0600	-33.333%	2	596	-50.000%
2026-08-07	0.0700	0.0900	0.0700	0.0900	+12.500%	2	595	-66.667%
2026-08-06	0.1700	0.1900	0.0800	0.0800	+14.286%	14	593	-62.500%
2026-07-28	0.1900	0.1900	0.0700	0.0700	-22.222%	68	590	-57.143%
2026-07-27	0.0900	0.0900	0.0900	0.0900	-10.000%	15	573	-66.667%
2026-07-06	0.1000	0.1000	0.1000	0.1000	0.000%	1	558	-70.000%
2026-06-29	0.1000	0.1000	0.1000	0.1000	-23.077%	1	559	-70.000%
2026-06-12	0.1300	0.1300	0.1300	0.1300	-73.469%	2	559	-76.923%
2026-03-27	0.3300	0.4900	0.3300	0.4900	-9.259%	10	559	-93.878%
2026-03-20	0.5400	0.5400	0.5400	0.5400	+12.500%	2	549	-94.444%
2026-03-17	0.4800	0.4800	0.4800	0.4800	+26.316%	1	549	-93.750%
2026-02-13	0.3600	0.3900	0.3600	0.3800	-7.317%	53	588	-92.105%
2026-02-10	0.4100	0.4100	0.4100	0.4100	+7.895%	2	588	-92.683%
2026-01-08	0.3800	0.3800	0.3800	0.3800	-15.556%	1	588	-92.105%
2025-12-29	0.4500	0.4500	0.4500	0.4500	-29.688%	1	589	-93.333%
2025-12-11	0.6400	0.6400	0.6400	0.6400	+1.587%	2	588	-95.313%
2025-12-02	0.7400	0.7900	0.6300	0.6300	+5.000%	36	590	-95.238%
2025-11-26	0.5800	0.6000	0.5500	0.6000	-52.381%	702	745	-95.000%
2025-10-30	1.3300	1.3300	1.2600	1.2600	+20.000%	2	745	-97.619%
2025-10-06	1.0500	1.0500	1.0500	1.0500	-8.696%	1	745	-97.143%
2025-10-02	1.1500	1.1500	1.1500	1.1500	+5.505%	1	745	-97.391%
2025-10-01	1.0900	1.0900	1.0900	1.0900	-40.761%	1	744	-97.248%
2025-09-25	1.8400	1.8500	1.8400	1.8400	+12.195%	53	744	-98.370%
2025-09-04	1.7200	1.7200	1.6400	1.6400	+4.459%	2	707	-98.171%
2025-08-20	1.5700	1.5700	1.5700	1.5700	-11.798%	1	708	-98.089%
2025-08-13	1.8300	1.8300	1.7800	1.7800	-10.101%	2	707	-98.315%
2025-08-12	1.9900	2.0200	1.9800	1.9800	-7.477%	758	707	-98.485%
2025-08-01	2.2000	2.2000	2.1400	2.1400	+22.989%	2	122	-98.598%
2025-07-25	1.8100	1.8100	1.7400	1.7400	-12.121%	2	122	-98.276%
2025-07-23	1.9800	1.9800	1.9800	1.9800	-10.407%	1	122	-98.485%
2025-07-17	2.2100	2.2100	2.2100	2.2100	+10.500%	1	123	-98.643%
2025-07-10	2.0600	2.0600	2.0000	2.0000	-14.163%	2	122	-98.500%
2025-07-08	2.3300	2.3300	2.3300	2.3300	-20.748%	4	122	-98.712%
2025-06-16	2.8400	2.9400	2.8400	2.9400	-1.010%	2	126	-98.980%
2025-06-13	2.7600	2.9700	2.7600	2.9700	-25.564%	4	126	-98.990%
2025-05-23	3.7300	3.9900	3.7300	3.9900	+6.400%	4	126	-99.248%
2025-05-21	3.6500	3.7500	3.6500	3.7500	-9.639%	2	126	-99.200%
2025-05-16	4.1500	4.1500	4.1500	4.1500	-1.190%	12	126	-99.277%
2025-05-15	4.2000	4.2000	4.2000	4.2000	+31.250%	6	132	-99.286%
2025-05-13	3.2000	3.2000	3.2000	3.2000	-8.571%	2	132	-99.063%
2025-05-08	3.5000	3.5000	3.5000	3.5000	+25.000%	3	132	-99.143%
2025-05-01	2.8000	2.8000	2.8000	2.8000	-22.652%	5	129	-98.929%
2025-04-17	3.4900	3.6200	3.4900	3.6200	+6.471%	4	129	-99.171%
2025-04-14	3.4000	3.4000	3.4000	3.4000	-21.478%	1	129	-99.118%
2025-04-09	4.3300	4.3300	4.3300	4.3300	+35.313%	1	128	-99.307%
2025-04-07	2.9600	3.2000	2.9600	3.2000	+10.345%	7	129	-99.063%
2025-04-04	2.9000	2.9000	2.9000	2.9000	+82.390%	20	133	-98.966%
2025-02-27	1.4700	1.5900	1.4700	1.5900	-21.287%	2	143	-98.113%
2025-02-19	1.8900	2.0200	1.8900	2.0200	-8.182%	2	143	-98.515%
2025-02-18	2.0100	2.2000	2.0100	2.2000	+9.453%	2	143	-98.636%
2025-02-14	2.1200	2.1200	2.0100	2.0100	+29.677%	6	141	-98.507%
2025-02-07	1.5500	1.5500	1.5500	1.5500	+2.649%	4	141	-98.065%
2025-02-06	1.5600	1.5600	1.5100	1.5100	+3.425%	2	141	-98.013%
2025-02-05	1.4600	1.4600	1.4600	1.4600	+1.389%	10	140	-97.945%
2025-02-04	1.4400	1.4400	1.4400	1.4400	+44.000%	10	130	-97.917%
2025-01-30	1.0000	1.0000	1.0000	1.0000	-1.961%	10	130	-97.000%
2025-01-27	1.0200	1.0200	1.0200	1.0200	-5.556%	1	130	-97.059%
2025-01-24	1.1500	1.1500	1.0800	1.0800	-6.087%	4	130	-97.222%
2024-12-30	1.1500	1.1500	1.1500	1.1500	+4.545%	10	128	-97.391%
2024-12-27	1.1000	1.1000	1.1000	1.1000	0.000%	42	118	-97.273%
2024-12-23	1.1000	1.1000	1.1000	1.1000	+14.583%	2	118	-97.273%
2024-12-16	0.9600	0.9600	0.9600	0.9600	-4.000%	1	115	-96.875%
2024-12-05	1.0000	1.0000	1.0000	1.0000	-13.043%	9	115	-97.000%
2024-11-12	1.0500	1.1500	1.0500	1.1500	+9.524%	12	106	-97.391%
2024-11-06	1.0000	1.0500	1.0000	1.0500	-12.500%	11	94	-97.143%
2024-11-05	1.2000	1.2000	1.0900	1.2000	+4.348%	31	86	-97.500%
2024-11-01	1.1100	1.1500	1.1100	1.1500	0.000%	16	57	-97.391%
2024-10-30	1.0500	1.1500	1.0500	1.1500	+9.524%	12	49	-97.391%
2024-10-28	0.9500	1.0500	0.9500	1.0500	0.000%	6	37	-97.143%
2024-10-25	0.9000	1.0500	0.9000	1.0500	+5.000%	16	31	-97.143%
2024-10-23	1.0000	1.0000	1.0000	1.0000	0.000%	2	23	-97.000%
2024-10-21	0.8200	1.0000	0.8200	1.0000	+5.263%	8	21	-97.000%
2024-10-18	0.9200	0.9500	0.9200	0.9500	0.000%	8	13	-96.842%
2024-10-17	0.9500	0.9500	0.9500	0.9500	-5.000%	2	0	-96.842%
2024-10-11	0.9500	1.0000	0.9500	1.0000	0.000%	8	0	-97.000%
2024-10-10	0.9500	1.0000	0.9500	1.0000	0.000%	8	0	-97.000%