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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 Jul 31, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
1,303	5,220	72	2,284

MRK Jul 31, 2026 Exp. - Volume by Strike

Puts

Calls

MRK Jul 31, 2026 Exp. - Open Interest by Strike

Puts

Calls

MRK Jul 31, 2026 Exp. - Max Pain @ $123.00

Puts

Calls

MRK Jul 31, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
170 C	0.01	0%	20	20	07-21	MRK260731C00170000
165 C	0.05	0%	6	3	07-16	MRK260731C00165000
160 C	0.04	-80.00%	4	3	07-16	MRK260731C00160000
155 C	0	0%	0			MRK260731C00155000
150 C	0.05	-73.68%	1	7	07-21	MRK260731C00150000
145 C	0.03	-70.00%	2	30	07-20	MRK260731C00145000
144 C	0	0%	0			MRK260731C00144000
143 C	0	0%	0			MRK260731C00143000
142 C	0	0%	0			MRK260731C00142000
141 C	0	0%	0			MRK260731C00141000
140 C	0.06	-62.50%	3	43	07-21	MRK260731C00140000
139 C	0.26	-13.33%	41	36	07-17	MRK260731C00139000
138 C	0.26	-29.73%	1	8	07-20	MRK260731C00138000
137 C	0.40	-16.67%	18	25	07-17	MRK260731C00137000
136 C	0.20	-48.72%	2	1,922	07-21	MRK260731C00136000
135 C	0.15	-77.94%	33	574	07-20	MRK260731C00135000
134 C	0.62	-6.06%	16	28	07-20	MRK260731C00134000
133 C	0.42	-14.29%	4	146	07-21	MRK260731C00133000
132 C	0.62	+40.91%	28	768	07-21	MRK260731C00132000
131 C	0.72	+35.85%	4	139	07-21	MRK260731C00131000
130 C	1.11	+60.87%	56	356	07-21	MRK260731C00130000
129 C	1.25	+38.89%	128	238	07-21	MRK260731C00129000
128 C	1.71	+36.80%	116	874	07-21	MRK260731C00128000
127 C	2.14	+33.75%	168	140	07-21	MRK260731C00127000
126 C	2.51	+21.84%	52	140	07-21	MRK260731C00126000
125 C	3.07	+30.64%	15	312	07-21	MRK260731C00125000
124 C	3.30	-18.32%	1	26	07-21	MRK260731C00124000
123 C	5.00	+13.12%	3	23	07-21	MRK260731C00123000
122 C	5.43	+32.44%	1	62	07-21	MRK260731C00122000
121 C	5.68	-26.71%	4	42	07-20	MRK260731C00121000
120 C	6.70	+17.54%	2	43	07-21	MRK260731C00120000
119 C	4.25	-30.33%	19	196	07-14	MRK260731C00119000
118 C	4.64	-60.68%	2	7	07-14	MRK260731C00118000
117 C	14.40	+24.25%	1	1	07-17	MRK260731C00117000
116 C	13.08	+106.96%	2	3	07-17	MRK260731C00116000
115 C	11.04	+52.28%	3	6	07-20	MRK260731C00115000
114 C	15.00	+34.65%	6	7	07-07	MRK260731C00114000
113 C	4.35	0%	10	0	06-18	MRK260731C00113000
112 C	0	0%	0			MRK260731C00112000
111 C	14.81	-7.96%	1	4	07-21	MRK260731C00111000
110 C	17.05	-11.89%	1	182	07-01	MRK260731C00110000
109 C	12.30	0%	2	1	06-12	MRK260731C00109000
108 C	0	0%	0			MRK260731C00108000
107 C	20.00	0%	6	6	07-06	MRK260731C00107000
106 C	14.85	0%	4	2	06-12	MRK260731C00106000
105 C	15.65	0%	12	6	06-12	MRK260731C00105000
104 C	0	0%	0			MRK260731C00104000
103 C	0	0%	0			MRK260731C00103000
102 C	0	0%	0			MRK260731C00102000
100 C	19.68	+16.59%	10	68	06-23	MRK260731C00100000
95 C	31.00	+7.90%	1	14	07-21	MRK260731C00095000
90 C	0	0%	0			MRK260731C00090000
85 C	41.75	+34.68%	1	12	06-26	MRK260731C00085000
80 C	0	0%	0			MRK260731C00080000
75 C	0	0%	0			MRK260731C00075000
70 C	0	0%	0			MRK260731C00070000
65 C	0	0%	0			MRK260731C00065000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
170 P	0	0%	0			MRK260731P00170000
165 P	0	0%	0			MRK260731P00165000
160 P	0	0%	0			MRK260731P00160000
155 P	0	0%	0			MRK260731P00155000
150 P	0	0%	0			MRK260731P00150000
145 P	0	0%	0			MRK260731P00145000
144 P	0	0%	0			MRK260731P00144000
143 P	0	0%	0			MRK260731P00143000
142 P	0	0%	0			MRK260731P00142000
141 P	0	0%	0			MRK260731P00141000
140 P	0	0%	0			MRK260731P00140000
139 P	0	0%	0			MRK260731P00139000
138 P	0	0%	0			MRK260731P00138000
137 P	0	0%	0			MRK260731P00137000
136 P	0	0%	0			MRK260731P00136000
135 P	12.90	+4.88%	5	4	07-14	MRK260731P00135000
134 P	5.65	0%	1	1	07-17	MRK260731P00134000
133 P	0	0%	0			MRK260731P00133000
132 P	7.50	+6.38%	2	3	07-09	MRK260731P00132000
131 P	4.85	0%	8	8	07-17	MRK260731P00131000
130 P	2.36	-72.40%	3	7	07-17	MRK260731P00130000
129 P	5.15	+52.37%	2	9	07-20	MRK260731P00129000
128 P	2.00	-30.80%	12	40	07-17	MRK260731P00128000
127 P	2.56	+9.87%	1	44	07-21	MRK260731P00127000
126 P	2.20	-24.91%	55	97	07-21	MRK260731P00126000
125 P	1.79	-30.62%	2	257	07-21	MRK260731P00125000
124 P	1.39	-35.94%	100	123	07-21	MRK260731P00124000
123 P	1.12	-32.12%	122	75	07-21	MRK260731P00123000
122 P	0.89	-28.23%	282	353	07-21	MRK260731P00122000
121 P	0.68	-26.09%	45	119	07-21	MRK260731P00121000
120 P	0.51	-26.09%	2	438	07-21	MRK260731P00120000
119 P	0.43	-8.51%	11	79	07-21	MRK260731P00119000
118 P	0.24	-44.19%	1	99	07-21	MRK260731P00118000
117 P	0.29	+123.08%	4	26	07-21	MRK260731P00117000
116 P	0.19	+11.76%	45	67	07-21	MRK260731P00116000
115 P	0.04	-50.00%	2	28	07-21	MRK260731P00115000
114 P	0.46	+4.55%	1	12	07-10	MRK260731P00114000
113 P	0.60	-45.95%	5	79	07-14	MRK260731P00113000
112 P	0.07	-65.00%	22	38	07-16	MRK260731P00112000
111 P	0.33	+22.22%	2	12	07-10	MRK260731P00111000
110 P	0.06	+100.00%	1	145	07-21	MRK260731P00110000
109 P	0.19	-85.71%	4	2	07-10	MRK260731P00109000
108 P	0.91	-35.46%	1	11	06-23	MRK260731P00108000
107 P	0.40	-66.94%	5	17	06-25	MRK260731P00107000
106 P	0.13	+85.71%	3	63	07-21	MRK260731P00106000
105 P	0.01	-99.09%	10	42	07-20	MRK260731P00105000
104 P	0	0%	0			MRK260731P00104000
103 P	0.42	-28.81%	1	1	06-25	MRK260731P00103000
102 P	0	0%	0			MRK260731P00102000
100 P	1.05	+50.00%	3	24	07-17	MRK260731P00100000
95 P	0.04	-93.75%	1	24	07-17	MRK260731P00095000
90 P	0.15	-6.25%	3	3	07-01	MRK260731P00090000
85 P	0.08	0%	2	0	06-18	MRK260731P00085000
80 P	0.10	0%	6	6	07-01	MRK260731P00080000
75 P	0	0%	0			MRK260731P00075000
70 P	0	0%	0			MRK260731P00070000
65 P	0	0%	0			MRK260731P00065000

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MRK Jul 31, 2026 Exp. - Open Interest by Strike

MRK Jul 31, 2026 Exp. - Max Pain @ $123.00

MRK
Merck & Co., Inc.
stock NYSE