Dark

MRK
Merck & Co., Inc.
stock NYSE

Market Open

Jul 22, 2026 2:52:14 PM EDT

127.81USD+1.228%(+1.55)3,840,023

127.79Bid 127.85Ask 0.06Spread

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 21, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
7,473	18,862	467	12,265

MRK Aug 21, 2026 Exp. - Volume by Strike

Puts

Calls

MRK Aug 21, 2026 Exp. - Open Interest by Strike

Puts

Calls

MRK Aug 21, 2026 Exp. - Max Pain @ $120.00

Puts

Calls

MRK Aug 21, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
170 C	0.14	-6.67%	1	13	06-08	MRK260821C00170000
165 C	0.04	-77.78%	1	6	07-20	MRK260821C00165000
160 C	0.10	-33.33%	1	21	07-20	MRK260821C00160000
155 C	0.07	-70.83%	1	547	07-21	MRK260821C00155000
150 C	0.21	0.00%	1	937	07-21	MRK260821C00150000
145 C	0.45	+2.27%	16	1,415	07-21	MRK260821C00145000
144 C	0	0%	0			MRK260821C00144000
143 C	0.59	0%	7	7	07-21	MRK260821C00143000
142 C	0.65	+10.17%	2	3	07-21	MRK260821C00142000
141 C	0.79	+14.49%	5	5	07-21	MRK260821C00141000
140 C	1.00	+29.87%	345	5,551	07-21	MRK260821C00140000
139 C	1.00	+1.01%	2	12	07-21	MRK260821C00139000
138 C	1.15	-23.84%	11	9	07-21	MRK260821C00138000
137 C	1.47	+33.64%	5	17	07-21	MRK260821C00137000
136 C	1.62	+22.73%	14	44	07-21	MRK260821C00136000
135 C	1.91	+28.19%	516	5,133	07-21	MRK260821C00135000
134 C	2.16	+17.39%	4	5	07-21	MRK260821C00134000
133 C	2.58	+16.74%	13	18	07-21	MRK260821C00133000
132 C	2.44	-5.06%	7	7	07-21	MRK260821C00132000
131 C	2.77	-9.18%	475	456	07-21	MRK260821C00131000
130 C	3.42	+21.71%	162	4,537	07-21	MRK260821C00130000
129 C	3.90	+25.00%	10	76	07-21	MRK260821C00129000
128 C	4.30	+17.81%	26	43	07-21	MRK260821C00128000
127 C	4.80	+18.52%	33	1,199	07-21	MRK260821C00127000
126 C	5.30	+16.48%	31	72	07-21	MRK260821C00126000
125 C	5.90	+22.92%	50	3,887	07-21	MRK260821C00125000
124 C	5.70	0%	14	14	07-20	MRK260821C00124000
123 C	0	0%	0			MRK260821C00123000
122 C	0	0%	0			MRK260821C00122000
121 C	0	0%	0			MRK260821C00121000
120 C	8.65	+10.90%	3	1,101	07-21	MRK260821C00120000
119 C	0	0%	0			MRK260821C00119000
118 C	0	0%	0			MRK260821C00118000
117 C	0	0%	0			MRK260821C00117000
115 C	12.30	-12.14%	51	365	07-21	MRK260821C00115000
110 C	17.01	+0.65%	10	768	07-21	MRK260821C00110000
105 C	17.39	+14.94%	5	12	06-11	MRK260821C00105000
100 C	28.31	+15.55%	5	18	07-17	MRK260821C00100000
95 C	34.30	+15.41%	3	2	06-30	MRK260821C00095000
90 C	37.75	+21.50%	2	29	07-16	MRK260821C00090000
85 C	29.70	0%	2	2	06-03	MRK260821C00085000
80 C	43.91	0%	1	1	07-15	MRK260821C00080000
75 C	0	0%	0			MRK260821C00075000
70 C	0	0%	0			MRK260821C00070000
65 C	0	0%	0			MRK260821C00065000
60 C	59.55	+3.57%	8	3	06-12	MRK260821C00060000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
170 P	0	0%	0			MRK260821P00170000
165 P	0	0%	0			MRK260821P00165000
160 P	0	0%	0			MRK260821P00160000
155 P	0	0%	0			MRK260821P00155000
150 P	23.45	0%	21	21	07-06	MRK260821P00150000
145 P	0	0%	0			MRK260821P00145000
144 P	0	0%	0			MRK260821P00144000
143 P	0	0%	0			MRK260821P00143000
142 P	0	0%	0			MRK260821P00142000
141 P	0	0%	0			MRK260821P00141000
140 P	12.90	-7.86%	3	23	07-07	MRK260821P00140000
139 P	0	0%	0			MRK260821P00139000
138 P	0	0%	0			MRK260821P00138000
137 P	0	0%	0			MRK260821P00137000
136 P	0	0%	0			MRK260821P00136000
135 P	7.40	-37.76%	11	66	07-17	MRK260821P00135000
134 P	0	0%	0			MRK260821P00134000
133 P	0	0%	0			MRK260821P00133000
132 P	0	0%	0			MRK260821P00132000
131 P	7.45	0%	6	6	07-21	MRK260821P00131000
130 P	6.90	-10.39%	5	265	07-21	MRK260821P00130000
129 P	6.30	0%	2	2	07-21	MRK260821P00129000
128 P	5.70	-10.94%	7	84	07-21	MRK260821P00128000
127 P	5.15	-11.97%	27	60	07-21	MRK260821P00127000
126 P	4.65	-12.26%	37	70	07-21	MRK260821P00126000
125 P	4.21	-15.80%	42	414	07-21	MRK260821P00125000
124 P	4.10	-4.65%	3	22	07-21	MRK260821P00124000
123 P	3.35	-16.46%	5	47	07-21	MRK260821P00123000
122 P	3.00	-13.04%	24	27	07-21	MRK260821P00122000
121 P	2.84	-6.89%	4	9	07-21	MRK260821P00121000
120 P	2.32	-15.02%	216	3,141	07-21	MRK260821P00120000
119 P	2.06	-16.60%	13	10	07-21	MRK260821P00119000
118 P	1.81	-15.02%	4	4	07-21	MRK260821P00118000
117 P	1.61	-12.50%	14	11	07-21	MRK260821P00117000
115 P	1.25	-16.67%	27	1,450	07-21	MRK260821P00115000
110 P	0.70	+6.06%	404	2,454	07-21	MRK260821P00110000
105 P	0.33	+37.50%	3	1,361	07-20	MRK260821P00105000
100 P	0.17	-10.53%	2	2,605	07-20	MRK260821P00100000
95 P	0.36	+414.29%	1	488	07-20	MRK260821P00095000
90 P	0.09	0.00%	1	33	07-16	MRK260821P00090000
85 P	0.07	-75.86%	3	30	07-14	MRK260821P00085000
80 P	0.06	-14.29%	1	13	06-29	MRK260821P00080000
75 P	0.11	-56.00%	2	3	06-09	MRK260821P00075000
70 P	0.10	0%	1	1	06-09	MRK260821P00070000
65 P	0.07	-56.25%	9	12	07-17	MRK260821P00065000
60 P	0	0%	0			MRK260821P00060000

document.getElementById("f86476").onerror = function(){this.style.display='none';}; .dark-mode .yJ1JFS{ color: white; background-color: #333333; border: 2px solid white; }.light-mode .yJ1JFS{ color: #333333; background-color: white; border: 2px solid #333333; }MRKMerck & Co., Inc.stock NYSE

MRK Aug 21, 2026 Exp. - Open Interest by Strike

MRK Aug 21, 2026 Exp. - Max Pain @ $120.00

MRK
Merck & Co., Inc.
stock NYSE