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MRK
Merck & Co., Inc.
stock NYSE

Market Open

Jul 22, 2026 2:51:16 PM EDT

127.82USD+1.236%(+1.56)3,819,224

127.75Bid 129.00Ask 1.25Spread

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 Aug 14, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
717	1,833	9	576

MRK Aug 14, 2026 Exp. - Volume by Strike

Puts

Calls

MRK Aug 14, 2026 Exp. - Open Interest by Strike

Puts

Calls

MRK Aug 14, 2026 Exp. - Max Pain @ $124.00

Puts

Calls

MRK Aug 14, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
170 C	0	0%	0			MRK260814C00170000
165 C	0	0%	0			MRK260814C00165000
160 C	0	0%	0			MRK260814C00160000
155 C	0	0%	0			MRK260814C00155000
150 C	0	0%	0			MRK260814C00150000
145 C	0.50	0%	1	1	07-20	MRK260814C00145000
140 C	0.68	-27.66%	1	1,072	07-21	MRK260814C00140000
139 C	0	0%	0			MRK260814C00139000
138 C	1.36	0%	2	2	07-16	MRK260814C00138000
137 C	1.16	-27.50%	5	42	07-20	MRK260814C00137000
136 C	1.00	-1.96%	3	84	07-21	MRK260814C00136000
135 C	1.44	+21.01%	1	59	07-21	MRK260814C00135000
134 C	1.57	-35.66%	1	19	07-20	MRK260814C00134000
133 C	2.02	+7.45%	1	25	07-21	MRK260814C00133000
132 C	2.95	+0.34%	16	420	07-17	MRK260814C00132000
131 C	4.60	+97.42%	13	15	07-17	MRK260814C00131000
130 C	2.75	-35.75%	22	47	07-21	MRK260814C00130000
129 C	4.12	-13.81%	1	8	07-17	MRK260814C00129000
128 C	3.10	-32.61%	1	39	07-20	MRK260814C00128000
127 C	4.45	+14.10%	3	631	07-21	MRK260814C00127000
126 C	4.28	-28.67%	8	6	07-20	MRK260814C00126000
125 C	5.58	-11.43%	1	37	07-21	MRK260814C00125000
124 C	7.69	+65.02%	1	13	07-16	MRK260814C00124000
123 C	7.93	0%	1	1	07-16	MRK260814C00123000
122 C	0	0%	0			MRK260814C00122000
121 C	8.45	+81.72%	2	9	07-20	MRK260814C00121000
120 C	8.55	+10.32%	3	11	07-21	MRK260814C00120000
119 C	0	0%	0			MRK260814C00119000
118 C	6.50	0%	2	2	07-14	MRK260814C00118000
117 C	10.64	0%	1	1	07-20	MRK260814C00117000
116 C	0	0%	0			MRK260814C00116000
115 C	0	0%	0			MRK260814C00115000
114 C	13.00	+3.17%	1	2	07-16	MRK260814C00114000
113 C	15.33	0%	3	3	07-06	MRK260814C00113000
112 C	14.65	0%	1	1	07-21	MRK260814C00112000
110 C	0	0%	0			MRK260814C00110000
105 C	0	0%	0			MRK260814C00105000
100 C	24.60	0%	2	0	07-13	MRK260814C00100000
95 C	0	0%	0			MRK260814C00095000
90 C	0	0%	0			MRK260814C00090000
85 C	0	0%	0			MRK260814C00085000
80 C	0	0%	0			MRK260814C00080000
75 C	0	0%	0			MRK260814C00075000
70 C	0	0%	0			MRK260814C00070000
65 C	0	0%	0			MRK260814C00065000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
170 P	0	0%	0			MRK260814P00170000
165 P	0	0%	0			MRK260814P00165000
160 P	0	0%	0			MRK260814P00160000
155 P	0	0%	0			MRK260814P00155000
150 P	0	0%	0			MRK260814P00150000
145 P	0	0%	0			MRK260814P00145000
140 P	0	0%	0			MRK260814P00140000
139 P	0	0%	0			MRK260814P00139000
138 P	0	0%	0			MRK260814P00138000
137 P	0	0%	0			MRK260814P00137000
136 P	0	0%	0			MRK260814P00136000
135 P	8.75	0%	1	1	07-16	MRK260814P00135000
134 P	0	0%	0			MRK260814P00134000
133 P	0	0%	0			MRK260814P00133000
132 P	8.84	0%	1	1	07-09	MRK260814P00132000
131 P	4.95	0%	1	1	07-17	MRK260814P00131000
130 P	4.79	-42.77%	2	3	07-17	MRK260814P00130000
129 P	3.25	-36.27%	1	1	07-17	MRK260814P00129000
128 P	3.22	-28.44%	1	2	07-17	MRK260814P00128000
127 P	0	0%	0			MRK260814P00127000
126 P	3.59	-5.53%	2	3	07-16	MRK260814P00126000
125 P	4.15	+25.76%	8	15	07-20	MRK260814P00125000
124 P	3.65	+20.07%	8	197	07-20	MRK260814P00124000
123 P	3.15	0%	2	2	07-21	MRK260814P00123000
122 P	2.73	-24.59%	1	5	07-21	MRK260814P00122000
121 P	1.90	-55.61%	3	6	07-17	MRK260814P00121000
120 P	2.12	+3.92%	2	23	07-21	MRK260814P00120000
119 P	1.98	+80.00%	11	21	07-20	MRK260814P00119000
118 P	1.62	+10.96%	1	21	07-21	MRK260814P00118000
117 P	0	0%	0			MRK260814P00117000
116 P	1.22	-16.44%	1	241	07-21	MRK260814P00116000
115 P	1.01	-12.17%	1	7	07-21	MRK260814P00115000
114 P	1.35	0%	2	2	07-13	MRK260814P00114000
113 P	0.80	+11.11%	4	4	07-21	MRK260814P00113000
112 P	0.68	-44.26%	4	3	07-21	MRK260814P00112000
110 P	1.11	0%	1	1	07-06	MRK260814P00110000
105 P	0.20	-45.95%	3	19	07-21	MRK260814P00105000
100 P	0.15	-66.67%	1	4	07-13	MRK260814P00100000
95 P	0	0%	0			MRK260814P00095000
90 P	0.18	-58.14%	2	2	07-08	MRK260814P00090000
85 P	0	0%	0			MRK260814P00085000
80 P	0	0%	0			MRK260814P00080000
75 P	0	0%	0			MRK260814P00075000
70 P	0	0%	0			MRK260814P00070000
65 P	0	0%	0			MRK260814P00065000

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MRK Aug 14, 2026 Exp. - Open Interest by Strike

MRK Aug 14, 2026 Exp. - Max Pain @ $124.00

MRK
Merck & Co., Inc.
stock NYSE