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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 Sep 18, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
31,501	25,118	413	41,521

MRK Sep 18, 2026 Exp. - Volume by Strike

Puts

Calls

MRK Sep 18, 2026 Exp. - Open Interest by Strike

Puts

Calls

MRK Sep 18, 2026 Exp. - Max Pain @ $100.00

Puts

Calls

MRK Sep 18, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
180 C	0.06	-88.00%	5	15	07-17	MRK260918C00180000
175 C	0.13	-18.75%	2	13	07-09	MRK260918C00175000
170 C	0.22	-12.00%	2	43	06-29	MRK260918C00170000
165 C	0.14	-51.72%	1	49	07-15	MRK260918C00165000
160 C	0.17	-15.00%	41	202	07-21	MRK260918C00160000
155 C	0.28	-40.43%	21	302	07-20	MRK260918C00155000
150 C	0.57	-18.57%	15	2,445	07-21	MRK260918C00150000
145 C	1.04	-0.95%	12	1,047	07-21	MRK260918C00145000
140 C	1.81	+29.29%	715	11,009	07-21	MRK260918C00140000
135 C	3.10	+27.05%	218	4,262	07-21	MRK260918C00135000
130 C	4.80	+21.52%	451	5,731	07-21	MRK260918C00130000
125 C	7.08	+13.28%	33	3,026	07-21	MRK260918C00125000
120 C	9.80	+4.03%	5	2,798	07-21	MRK260918C00120000
115 C	12.55	-17.70%	8	2,146	07-20	MRK260918C00115000
110 C	17.50	+2.04%	5	2,663	07-21	MRK260918C00110000
105 C	21.70	-8.94%	5	1,130	07-21	MRK260918C00105000
100 C	28.73	-2.11%	6	15,334	07-17	MRK260918C00100000
95 C	30.38	-6.49%	5	713	07-21	MRK260918C00095000
90 C	35.55	+2.04%	1	1,086	07-15	MRK260918C00090000
85 C	43.80	+1.86%	45	2,073	07-07	MRK260918C00085000
80 C	45.00	-10.63%	1	181	07-15	MRK260918C00080000
75 C	37.50	-3.85%	10	173	05-07	MRK260918C00075000
70 C	54.80	+7.90%	3	19	07-16	MRK260918C00070000
65 C	50.45	-2.79%	3	115	03-18	MRK260918C00065000
60 C	68.19	+12.52%	1	2	07-16	MRK260918C00060000
55 C	61.36	-7.03%	19	33	06-15	MRK260918C00055000
50 C	71.85	+3.98%	1	4	06-25	MRK260918C00050000
45 C	51.50	+20.84%	1	2	11-18	MRK260918C00045000
40 C	41.86	-3.86%	3	3	09-15	MRK260918C00040000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
180 P	0	0%	0			MRK260918P00180000
175 P	0	0%	0			MRK260918P00175000
170 P	0	0%	0			MRK260918P00170000
165 P	0	0%	0			MRK260918P00165000
160 P	0	0%	0			MRK260918P00160000
155 P	0	0%	0			MRK260918P00155000
150 P	22.69	-23.08%	1	10	07-17	MRK260918P00150000
145 P	18.17	0%	11	11	07-17	MRK260918P00145000
140 P	13.29	-8.97%	21	46	07-07	MRK260918P00140000
135 P	9.90	-26.17%	58	87	07-17	MRK260918P00135000
130 P	8.10	+9.46%	100	259	07-17	MRK260918P00130000
125 P	6.00	+12.15%	51	1,190	07-20	MRK260918P00125000
120 P	3.75	-11.14%	42	3,323	07-21	MRK260918P00120000
115 P	2.22	-16.23%	36	2,144	07-21	MRK260918P00115000
110 P	1.33	-8.28%	75	5,438	07-21	MRK260918P00110000
105 P	0.84	-2.33%	1	3,569	07-21	MRK260918P00105000
100 P	0.51	+27.50%	59	5,954	07-21	MRK260918P00100000
95 P	0.17	-50.00%	4	4,209	07-17	MRK260918P00095000
90 P	0.19	+11.76%	1	4,262	07-16	MRK260918P00090000
85 P	0.04	-50.00%	3	1,312	07-21	MRK260918P00085000
80 P	0.20	+122.22%	1	3,432	07-20	MRK260918P00080000
75 P	0.01	0.00%	2	2,078	07-21	MRK260918P00075000
70 P	0.01	0.00%	1	722	07-16	MRK260918P00070000
65 P	0.07	+75.00%	118	625	07-16	MRK260918P00065000
60 P	0.01	0.00%	30	2,214	07-09	MRK260918P00060000
55 P	0.03	-40.00%	10	969	07-07	MRK260918P00055000
50 P	0.10	-85.51%	3	18	01-15	MRK260918P00050000
45 P	0.02	+100.00%	23	51	06-29	MRK260918P00045000
40 P	0.04	-33.33%	23	11	05-18	MRK260918P00040000

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