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MRK
Merck & Co., Inc.
stock NYSE

Market Open

Jul 22, 2026 3:54:51 PM EDT

127.50USD+0.978%(+1.24)4,627,921

127.42Bid 127.50Ask 0.08Spread

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 Jan 21, 2028View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
5,874	4,388	621	8,264

MRK Jan 21, 2028 Exp. - Volume by Strike

Puts

Calls

MRK Jan 21, 2028 Exp. - Open Interest by Strike

Puts

Calls

MRK Jan 21, 2028 Exp. - Max Pain @ $110.00

Puts

Calls

MRK Jan 21, 2028 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
190 C	3.81	-19.28%	2	4	07-16	MRK280121C00190000
185 C	0	0%	0			MRK280121C00185000
180 C	4.75	+5.32%	2	225	07-21	MRK280121C00180000
175 C	6.15	+8.85%	1	77	07-06	MRK280121C00175000
170 C	5.67	-21.25%	7	301	07-20	MRK280121C00170000
165 C	4.85	-19.17%	191	282	06-23	MRK280121C00165000
160 C	10.00	+28.21%	130	410	07-17	MRK280121C00160000
155 C	8.60	-1.71%	10	224	07-15	MRK280121C00155000
150 C	9.80	-7.46%	15	246	07-21	MRK280121C00150000
145 C	11.54	-8.99%	5	156	07-09	MRK280121C00145000
140 C	13.25	-11.67%	10	1,210	07-20	MRK280121C00140000
135 C	15.25	-6.10%	18	635	07-21	MRK280121C00135000
130 C	17.25	-9.69%	10	618	07-20	MRK280121C00130000
125 C	19.50	-17.09%	3	926	07-21	MRK280121C00125000
120 C	23.10	-0.60%	3	1,654	07-21	MRK280121C00120000
115 C	28.95	+18.16%	2	536	07-17	MRK280121C00115000
110 C	32.19	+7.05%	3	607	07-17	MRK280121C00110000
105 C	30.71	-2.45%	187	597	07-21	MRK280121C00105000
100 C	33.55	-6.15%	35	716	07-20	MRK280121C00100000
95 C	38.00	-4.40%	1	91	07-20	MRK280121C00095000
90 C	43.50	+16.59%	3	145	07-17	MRK280121C00090000
85 C	46.50	+5.61%	1	133	07-16	MRK280121C00085000
80 C	50.68	-3.47%	2	120	07-16	MRK280121C00080000
75 C	51.46	+8.68%	1	176	07-13	MRK280121C00075000
70 C	59.40	+5.51%	6	36	06-26	MRK280121C00070000
65 C	65.04	+0.85%	1	17	06-30	MRK280121C00065000
60 C	65.95	-5.46%	2	89	07-09	MRK280121C00060000
55 C	76.44	+5.17%	1	2	07-17	MRK280121C00055000
50 C	77.32	+2.28%	1	23	06-30	MRK280121C00050000
45 C	65.00	+14.04%	1	4	01-06	MRK280121C00045000
40 C	77.65	-6.45%	4	2	02-09	MRK280121C00040000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
190 P	0	0%	0			MRK280121P00190000
185 P	0	0%	0			MRK280121P00185000
180 P	0	0%	0			MRK280121P00180000
175 P	0	0%	0			MRK280121P00175000
170 P	0	0%	0			MRK280121P00170000
165 P	0	0%	0			MRK280121P00165000
160 P	0	0%	0			MRK280121P00160000
155 P	41.00	-13.68%	5	5	02-12	MRK280121P00155000
150 P	30.05	-3.38%	1	39	07-16	MRK280121P00150000
145 P	30.91	+11.39%	2	220	07-14	MRK280121P00145000
140 P	26.00	+5.91%	8	125	07-15	MRK280121P00140000
135 P	29.65	+20.04%	1	3	05-08	MRK280121P00135000
130 P	17.75	+0.28%	164	229	06-30	MRK280121P00130000
125 P	15.90	-8.67%	84	110	07-20	MRK280121P00125000
120 P	14.95	+11.40%	1	165	07-13	MRK280121P00120000
115 P	12.50	+5.22%	1	889	07-13	MRK280121P00115000
110 P	9.80	-2.00%	3	829	07-16	MRK280121P00110000
105 P	9.10	+4.00%	9	500	07-15	MRK280121P00105000
100 P	6.55	-18.63%	1	1,278	07-20	MRK280121P00100000
95 P	5.40	-29.41%	1	880	07-20	MRK280121P00095000
90 P	4.25	+1.92%	1	347	07-20	MRK280121P00090000
85 P	3.95	-5.95%	10	343	07-13	MRK280121P00085000
80 P	2.76	-16.62%	20	342	07-02	MRK280121P00080000
75 P	2.71	+20.44%	4	499	07-14	MRK280121P00075000
70 P	1.32	-30.53%	3	1,155	07-16	MRK280121P00070000
65 P	1.50	+21.95%	1	257	07-14	MRK280121P00065000
60 P	1.30	-12.16%	10	31	06-23	MRK280121P00060000
55 P	0.68	-26.88%	35	375	07-09	MRK280121P00055000
50 P	0.60	+62.16%	1	80	07-21	MRK280121P00050000
45 P	0.40	-63.30%	1	7	02-05	MRK280121P00045000
40 P	0.27	-28.95%	15	177	06-29	MRK280121P00040000

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