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MRK
Merck & Co., Inc.
stock NYSE

At Close

Jul 22, 2026 3:59:56 PM EDT

127.51USD+0.990%(+1.25)5,157,585

120.28Bid 134.40Ask 14.12Spread

Pre-market

Jul 22, 2026 9:27:30 AM EDT

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

After-hours

Jul 22, 2026 4:00:30 PM EDT

127.52USD+0.008%(+0.01)1,641

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 28, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
91	267	29	99

MRK Aug 28, 2026 Exp. - Volume by Strike

Puts

Calls

MRK Aug 28, 2026 Exp. - Open Interest by Strike

Puts

Calls

MRK Aug 28, 2026 Exp. - Max Pain @ $125.00

Puts

Calls

MRK Aug 28, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
170 C	0	0%	0			MRK260828C00170000
165 C	0	0%	0			MRK260828C00165000
160 C	0.05	0%	11	10	07-13	MRK260828C00160000
155 C	0.11	0%	1	1	07-20	MRK260828C00155000
150 C	0.33	0%	15	15	07-20	MRK260828C00150000
145 C	1.00	+11.11%	1	11	07-17	MRK260828C00145000
140 C	1.31	-21.56%	2	79	07-20	MRK260828C00140000
139 C	0.90	-26.23%	1	5	07-21	MRK260828C00139000
138 C	1.37	0%	2	1	07-20	MRK260828C00138000
137 C	1.66	0%	10	10	07-20	MRK260828C00137000
136 C	2.58	-2.64%	1	2	07-17	MRK260828C00136000
135 C	2.05	+2.50%	14	26	07-21	MRK260828C00135000
134 C	2.50	+10.62%	8	8	07-21	MRK260828C00134000
133 C	2.55	-48.17%	2	13	07-21	MRK260828C00133000
132 C	2.92	-25.13%	1	4	07-20	MRK260828C00132000
131 C	5.62	+20.86%	40	43	07-17	MRK260828C00131000
130 C	4.00	-13.23%	3	20	07-20	MRK260828C00130000
129 C	5.63	0%	10	10	07-17	MRK260828C00129000
128 C	7.40	+169.09%	6	9	07-17	MRK260828C00128000
127 C	5.38	-13.23%	1	7	07-20	MRK260828C00127000
126 C	5.78	-21.04%	1	3	07-20	MRK260828C00126000
125 C	6.27	+2.79%	21	44	07-21	MRK260828C00125000
124 C	5.47	0%	1	1	07-15	MRK260828C00124000
123 C	6.95	+7.92%	4	4	07-21	MRK260828C00123000
122 C	0	0%	0			MRK260828C00122000
121 C	9.03	+68.16%	1	3	07-20	MRK260828C00121000
120 C	9.45	+10.92%	10	26	07-21	MRK260828C00120000
119 C	0	0%	0			MRK260828C00119000
118 C	0	0%	0			MRK260828C00118000
117 C	12.36	+24.35%	1	2	07-17	MRK260828C00117000
116 C	11.17	0%	1	1	07-21	MRK260828C00116000
115 C	0	0%	0			MRK260828C00115000
114 C	0	0%	0			MRK260828C00114000
113 C	0	0%	0			MRK260828C00113000
112 C	0	0%	0			MRK260828C00112000
110 C	0	0%	0			MRK260828C00110000
105 C	0	0%	0			MRK260828C00105000
100 C	0	0%	0			MRK260828C00100000
95 C	0	0%	0			MRK260828C00095000
90 C	0	0%	0			MRK260828C00090000
85 C	0	0%	0			MRK260828C00085000
80 C	0	0%	0			MRK260828C00080000
75 C	0	0%	0			MRK260828C00075000
70 C	0	0%	0			MRK260828C00070000
65 C	0	0%	0			MRK260828C00065000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
170 P	0	0%	0			MRK260828P00170000
165 P	0	0%	0			MRK260828P00165000
160 P	0	0%	0			MRK260828P00160000
155 P	0	0%	0			MRK260828P00155000
150 P	0	0%	0			MRK260828P00150000
145 P	0	0%	0			MRK260828P00145000
140 P	0	0%	0			MRK260828P00140000
139 P	0	0%	0			MRK260828P00139000
138 P	0	0%	0			MRK260828P00138000
137 P	0	0%	0			MRK260828P00137000
136 P	0	0%	0			MRK260828P00136000
135 P	12.80	0%	1	1	07-13	MRK260828P00135000
134 P	0	0%	0			MRK260828P00134000
133 P	0	0%	0			MRK260828P00133000
132 P	0	0%	0			MRK260828P00132000
131 P	5.21	0%	1	1	07-17	MRK260828P00131000
130 P	4.93	0%	18	17	07-17	MRK260828P00130000
129 P	5.38	0%	10	10	07-17	MRK260828P00129000
128 P	0	0%	0			MRK260828P00128000
127 P	3.68	-28.54%	8	8	07-17	MRK260828P00127000
126 P	3.20	0%	4	2	07-17	MRK260828P00126000
125 P	4.70	-6.19%	7	14	07-21	MRK260828P00125000
124 P	3.65	-29.81%	1	2	07-17	MRK260828P00124000
123 P	4.07	0%	2	2	07-20	MRK260828P00123000
122 P	3.44	0%	2	2	07-20	MRK260828P00122000
121 P	3.09	-20.57%	1	2	07-20	MRK260828P00121000
120 P	2.80	+3.70%	1	12	07-21	MRK260828P00120000
119 P	2.81	+5.64%	12	2	07-21	MRK260828P00119000
118 P	2.40	-40.00%	2	2	07-20	MRK260828P00118000
117 P	2.06	+1.98%	1	3	07-21	MRK260828P00117000
116 P	1.81	-2.16%	3	4	07-21	MRK260828P00116000
115 P	1.55	-9.36%	1	5	07-21	MRK260828P00115000
114 P	1.38	-28.13%	1	3	07-21	MRK260828P00114000
113 P	1.25	+0.81%	1	1	07-20	MRK260828P00113000
112 P	1.10	-1.79%	2	1	07-16	MRK260828P00112000
110 P	0.89	-24.58%	7	11	07-20	MRK260828P00110000
105 P	0.27	-41.30%	15	20	07-21	MRK260828P00105000
100 P	0.25	-79.34%	1	3	07-20	MRK260828P00100000
95 P	0	0%	0			MRK260828P00095000
90 P	0	0%	0			MRK260828P00090000
85 P	0	0%	0			MRK260828P00085000
80 P	0	0%	0			MRK260828P00080000
75 P	0	0%	0			MRK260828P00075000
70 P	0	0%	0			MRK260828P00070000
65 P	0	0%	0			MRK260828P00065000

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MRK Aug 28, 2026 Exp. - Open Interest by Strike

MRK Aug 28, 2026 Exp. - Max Pain @ $125.00

MRK
Merck & Co., Inc.
stock NYSE