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MRK
Merck & Co., Inc.
stock NYSE

Market Open

Jul 22, 2026 2:52:14 PM EDT

127.81USD+1.228%(+1.55)3,828,707

127.79Bid 127.84Ask 0.05Spread

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 7, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
479	2,062	36	2,238

MRK Aug 7, 2026 Exp. - Volume by Strike

Puts

Calls

MRK Aug 7, 2026 Exp. - Open Interest by Strike

Puts

Calls

MRK Aug 7, 2026 Exp. - Max Pain @ $125.00

Puts

Calls

MRK Aug 7, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
170 C	0.04	-94.67%	2	1	07-16	MRK260807C00170000
165 C	0.09	+125.00%	1	1	07-17	MRK260807C00165000
160 C	0.09	-25.00%	42	41	07-20	MRK260807C00160000
155 C	0	0%	0			MRK260807C00155000
150 C	0.10	-47.37%	40	80	07-20	MRK260807C00150000
145 C	0.31	+29.17%	17	22	07-16	MRK260807C00145000
144 C	0	0%	0			MRK260807C00144000
143 C	0.29	0%	1	1	07-20	MRK260807C00143000
142 C	0	0%	0			MRK260807C00142000
141 C	0	0%	0			MRK260807C00141000
140 C	0.44	-45.68%	3	286	07-20	MRK260807C00140000
139 C	0.71	-56.44%	2	324	07-20	MRK260807C00139000
138 C	0.81	-53.98%	3	374	07-20	MRK260807C00138000
137 C	1.62	+80.00%	3	4	07-17	MRK260807C00137000
136 C	0.87	-40.82%	6	27	07-20	MRK260807C00136000
135 C	1.21	+15.24%	13	125	07-21	MRK260807C00135000
134 C	1.37	+15.13%	32	283	07-21	MRK260807C00134000
133 C	1.37	+2.24%	3	55	07-21	MRK260807C00133000
132 C	1.57	-11.30%	1	132	07-21	MRK260807C00132000
131 C	1.87	-12.62%	1	45	07-21	MRK260807C00131000
130 C	2.45	+16.67%	31	117	07-21	MRK260807C00130000
129 C	2.55	-19.56%	11	41	07-21	MRK260807C00129000
128 C	2.75	-10.71%	3	103	07-21	MRK260807C00128000
127 C	3.75	-3.60%	74	106	07-21	MRK260807C00127000
126 C	4.20	+17.65%	30	68	07-21	MRK260807C00126000
125 C	4.35	+9.85%	49	129	07-21	MRK260807C00125000
124 C	5.10	-28.67%	5	63	07-20	MRK260807C00124000
123 C	7.45	+51.12%	2	19	07-16	MRK260807C00123000
122 C	5.35	+25.88%	1	24	07-15	MRK260807C00122000
121 C	6.58	-42.63%	2	26	07-20	MRK260807C00121000
120 C	11.44	+17.82%	1	11	07-17	MRK260807C00120000
119 C	7.40	+40.95%	1	11	07-15	MRK260807C00119000
118 C	9.12	+2.47%	1	5	07-21	MRK260807C00118000
117 C	10.00	-33.11%	1	1	07-21	MRK260807C00117000
116 C	12.21	+26.01%	1	1	07-17	MRK260807C00116000
115 C	13.12	+0.31%	1	1	07-08	MRK260807C00115000
114 C	13.69	0%	13	12	07-06	MRK260807C00114000
113 C	0	0%	0			MRK260807C00113000
112 C	0	0%	0			MRK260807C00112000
111 C	14.75	0%	1	1	07-15	MRK260807C00111000
110 C	0	0%	0			MRK260807C00110000
109 C	0	0%	0			MRK260807C00109000
108 C	0	0%	0			MRK260807C00108000
107 C	0	0%	0			MRK260807C00107000
106 C	0	0%	0			MRK260807C00106000
105 C	22.88	0%	1	1	07-06	MRK260807C00105000
100 C	0	0%	0			MRK260807C00100000
95 C	0	0%	0			MRK260807C00095000
90 C	0	0%	0			MRK260807C00090000
85 C	0	0%	0			MRK260807C00085000
80 C	0	0%	0			MRK260807C00080000
75 C	0	0%	0			MRK260807C00075000
70 C	0	0%	0			MRK260807C00070000
65 C	0	0%	0			MRK260807C00065000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
170 P	0	0%	0			MRK260807P00170000
165 P	0	0%	0			MRK260807P00165000
160 P	0	0%	0			MRK260807P00160000
155 P	0	0%	0			MRK260807P00155000
150 P	0	0%	0			MRK260807P00150000
145 P	0	0%	0			MRK260807P00145000
144 P	0	0%	0			MRK260807P00144000
143 P	0	0%	0			MRK260807P00143000
142 P	0	0%	0			MRK260807P00142000
141 P	0	0%	0			MRK260807P00141000
140 P	10.39	-37.93%	1	1	07-17	MRK260807P00140000
139 P	9.55	-38.47%	1	1	07-17	MRK260807P00139000
138 P	0	0%	0			MRK260807P00138000
137 P	0	0%	0			MRK260807P00137000
136 P	0	0%	0			MRK260807P00136000
135 P	6.79	-44.98%	1	2	07-17	MRK260807P00135000
134 P	6.20	-45.23%	1	1	07-17	MRK260807P00134000
133 P	0	0%	0			MRK260807P00133000
132 P	6.50	0%	12	12	07-16	MRK260807P00132000
131 P	6.00	0%	4	4	07-17	MRK260807P00131000
130 P	5.25	-27.29%	3	2	07-17	MRK260807P00130000
129 P	0	0%	0			MRK260807P00129000
128 P	3.30	-59.71%	3	13	07-17	MRK260807P00128000
127 P	4.30	+3.12%	1	32	07-21	MRK260807P00127000
126 P	3.90	-9.30%	4	23	07-21	MRK260807P00126000
125 P	3.70	-9.76%	239	249	07-21	MRK260807P00125000
124 P	3.81	+105.95%	70	471	07-20	MRK260807P00124000
123 P	3.35	+46.93%	31	33	07-20	MRK260807P00123000
122 P	1.85	-15.14%	8	16	07-17	MRK260807P00122000
121 P	1.77	-19.55%	1	49	07-21	MRK260807P00121000
120 P	1.61	-17.01%	1	110	07-21	MRK260807P00120000
119 P	1.27	-5.22%	1	38	07-21	MRK260807P00119000
118 P	1.15	-22.30%	1	176	07-21	MRK260807P00118000
117 P	0.90	-10.89%	1	9	07-21	MRK260807P00117000
116 P	0.75	-31.82%	2	847	07-21	MRK260807P00116000
115 P	0.75	-62.31%	1	23	07-16	MRK260807P00115000
114 P	0.76	+100.00%	2	17	07-20	MRK260807P00114000
113 P	0.41	-56.38%	6	7	07-17	MRK260807P00113000
112 P	0.43	-25.86%	2	5	07-17	MRK260807P00112000
111 P	1.10	0%	3	3	07-14	MRK260807P00111000
110 P	0.94	0%	1	1	07-14	MRK260807P00110000
109 P	0	0%	0			MRK260807P00109000
108 P	0.21	+50.00%	57	71	07-20	MRK260807P00108000
107 P	0.69	+72.50%	1	2	07-14	MRK260807P00107000
106 P	0.36	+63.64%	2	2	07-10	MRK260807P00106000
105 P	0.15	-16.67%	10	27	07-17	MRK260807P00105000
100 P	0.18	+5.88%	1	2	07-16	MRK260807P00100000
95 P	0.05	-44.44%	2	15	07-17	MRK260807P00095000
90 P	0.01	0%	10	10	07-06	MRK260807P00090000
85 P	0	0%	0			MRK260807P00085000
80 P	0	0%	0			MRK260807P00080000
75 P	0	0%	0			MRK260807P00075000
70 P	0	0%	0			MRK260807P00070000
65 P	0	0%	0			MRK260807P00065000

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MRK Aug 7, 2026 Exp. - Open Interest by Strike

MRK Aug 7, 2026 Exp. - Max Pain @ $125.00

MRK
Merck & Co., Inc.
stock NYSE