3.75% 5.325

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 16, 2026 expiration date, the MRK stock option chain has a total of 5,715 contracts, with 4,465 call options and 1,250 put options. This indicates a leaning towards calls, suggesting bullish sentiment.

Other Key Expiration Dates:

October 23, 2026 : 2,609 contracts.
October 30, 2026 : 4,564 contracts.
November 06, 2026 : 113 contracts.
November 13, 2026 : 132 contracts.
November 20, 2026 : 671 contracts.

Merck Co Inc (MRK) Most Active Options & Calendar

MRK Call Options Expiring October 16, 2026

Strike	Price	Change	% Change	Volume
150.00	0.62	0.53	+588.89%	1,546
145.00	3.30	2.85	+633.33%	817
155.00	0.06	0.04	+200.00%	659
147.00	1.83	1.58	+632.00%	337
140.00	7.55	4.70	+164.91%	238
141.00	4.45	2.31	+107.94%	192
148.00	1.33	1.18	+786.67%	170

MRK Put Options Expiring October 16, 2026

Strike	Price	Change	% Change	Volume
147.00	1.30	-2.68	-67.34%	438
145.00	0.60	-2.98	-83.24%	226
115.00	0.02	0.01	+100.00%	191
140.00	0.08	-0.77	-90.59%	60
132.00	0.04	-0.02	-33.33%	52
135.00	0.02	-0.09	-81.82%	47
142.00	0.17	-1.55	-90.12%	42