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MRK
Merck & Co., Inc.
stock NYSE

Market Open

Jul 22, 2026 3:54:18 PM EDT

127.47USD+0.958%(+1.21)4,601,056

125.51Bid 127.49Ask 1.98Spread

Pre-market

Jul 22, 2026 9:27:30 AM EDT

127.06USD+0.634%(+0.80)3,101

After-hours

Jul 21, 2026 4:24:30 PM EDT

126.26USD0.000%(0.00)0

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Jul 24, 2026 Jul 31, 2026 Aug 7, 2026 Aug 14, 2026 Aug 21, 2026 Aug 28, 2026 Sep 18, 2026 Oct 16, 2026 Dec 18, 2026 Jan 15, 2027 Mar 19, 2027 Jun 17, 2027 Dec 17, 2027 Jan 21, 2028

ITM/OTM for Oct 16, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
4,837	9,752	268	14,698

MRK Oct 16, 2026 Exp. - Volume by Strike

Puts

Calls

MRK Oct 16, 2026 Exp. - Open Interest by Strike

Puts

Calls

MRK Oct 16, 2026 Exp. - Max Pain @ $115.00

Puts

Calls

MRK Oct 16, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
180 C	0.28	+180.00%	7	33	06-26	MRK261016C00180000
175 C	0.31	+10.71%	6	214	06-26	MRK261016C00175000
170 C	0.29	+26.09%	1	76	07-16	MRK261016C00170000
165 C	0.35	+34.62%	1	30	07-21	MRK261016C00165000
160 C	0.55	0.00%	40	112	07-21	MRK261016C00160000
155 C	0.79	-23.30%	4	334	07-20	MRK261016C00155000
150 C	1.15	+9.52%	16	1,322	07-21	MRK261016C00150000
145 C	1.88	+26.17%	52	976	07-21	MRK261016C00145000
140 C	2.79	+10.71%	42	1,571	07-21	MRK261016C00140000
135 C	3.90	+10.17%	404	1,389	07-21	MRK261016C00135000
130 C	5.92	+15.40%	472	3,695	07-21	MRK261016C00130000
125 C	8.30	+10.67%	41	1,889	07-21	MRK261016C00125000
120 C	10.73	+4.17%	51	518	07-21	MRK261016C00120000
115 C	14.10	+3.07%	23	955	07-21	MRK261016C00115000
110 C	18.10	-17.16%	2	526	07-21	MRK261016C00110000
105 C	21.85	+5.05%	2	640	07-20	MRK261016C00105000
100 C	24.05	-21.79%	1	89	07-15	MRK261016C00100000
95 C	21.40	-20.97%	1	19	04-21	MRK261016C00095000
90 C	30.12	+11.97%	49	61	06-12	MRK261016C00090000
85 C	28.05	-12.26%	6	117	04-27	MRK261016C00085000
80 C	46.04	+39.52%	2	20	07-21	MRK261016C00080000
75 C	0	0%	0			MRK261016C00075000
70 C	54.80	0%	3	3	07-16	MRK261016C00070000
65 C	0	0%	0			MRK261016C00065000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
180 P	0	0%	0			MRK261016P00180000
175 P	0	0%	0			MRK261016P00175000
170 P	0	0%	0			MRK261016P00170000
165 P	0	0%	0			MRK261016P00165000
160 P	0	0%	0			MRK261016P00160000
155 P	0	0%	0			MRK261016P00155000
150 P	0	0%	0			MRK261016P00150000
145 P	27.35	0%	3	3	05-29	MRK261016P00145000
140 P	15.75	+3.28%	1	9	07-06	MRK261016P00140000
135 P	11.85	+0.42%	17	113	07-17	MRK261016P00135000
130 P	9.85	-5.29%	35	143	07-21	MRK261016P00130000
125 P	6.93	-6.98%	85	347	07-21	MRK261016P00125000
120 P	4.95	-4.81%	42	607	07-21	MRK261016P00120000
115 P	3.05	-11.59%	88	1,803	07-21	MRK261016P00115000
110 P	1.80	-12.62%	108	1,911	07-21	MRK261016P00110000
105 P	1.35	-0.74%	5	4,409	07-21	MRK261016P00105000
100 P	0.83	+25.76%	18	2,206	07-21	MRK261016P00100000
95 P	0.46	+15.00%	18	2,357	07-20	MRK261016P00095000
90 P	0.33	-13.16%	9	327	07-17	MRK261016P00090000
85 P	0.18	-5.26%	1	355	07-17	MRK261016P00085000
80 P	0.11	-26.67%	1	107	07-21	MRK261016P00080000
75 P	0.40	-6.98%	1	253	05-22	MRK261016P00075000
70 P	0.24	-27.27%	1	1	05-27	MRK261016P00070000
65 P	0.26	-49.02%	4	15	05-07	MRK261016P00065000

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