1.34% -1.97

Merck Co Inc (MRK)

Overview News Price History Option Chain Financials Discussions Forecast Stock Split Dividend History

Merck Co Inc Stock (MRK) Option Chain

For the October 30, 2026 expiration date, the MRK stock option chain has a total of 10,619 contracts, with 8,914 call options and 1,705 put options. This indicates a leaning towards calls, suggesting bullish sentiment.

Other Key Expiration Dates:

November 06, 2026 : 1,316 contracts.
November 13, 2026 : 65 contracts.
November 20, 2026 : 7,929 contracts.
November 27, 2026 : 1,049 contracts.
December 04, 2026 : 58 contracts.

Merck Co Inc (MRK) Most Active Options & Calendar

MRK Call Options Expiring October 30, 2026

Strike	Price	Change	% Change	Volume
165.00	0.10	-0.28	-73.68%	5,358
144.00	4.54	-1.41	-23.70%	556
147.00	3.00	-1.65	-35.48%	501
145.00	3.95	-1.55	-28.18%	442
148.00	2.44	-2.36	-49.17%	416
149.00	2.09	-2.11	-50.24%	281
157.50	0.47	-0.75	-61.48%	251

MRK Put Options Expiring October 30, 2026

Strike	Price	Change	% Change	Volume
144.00	2.94	1.11	+60.66%	462
143.00	2.59	0.50	+23.92%	327
145.00	3.59	1.20	+50.21%	313
135.00	0.70	0.25	+55.56%	101
146.00	4.20	1.20	+40.00%	91
142.00	2.40	0.84	+53.85%	68
140.00	1.54	0.29	+23.20%	56