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MRK
Merck & Co., Inc.
stock NYSE

At Close

Sep 4, 2026 3:59:58 PM EDT

150.33USD-1.319%(-2.01)4,397,468

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 4, 2026 9:24:30 AM EDT

151.36USD-0.643%(-0.98)5,336

After-hours

Sep 4, 2026 4:35:30 PM EDT

150.69USD+0.240%(+0.36)1,016,522

OverviewOption ChainHistoricalExchangesShortsMore

Expiration Dates

Sep 4, 2026 Sep 11, 2026 Sep 18, 2026 Sep 25, 2026 Oct 2, 2026 Oct 9, 2026 Oct 16, 2026 Oct 23, 2026 Nov 20, 2026 Dec 18, 2026 Jan 15, 2027 Mar 19, 2027 Apr 16, 2027 Jun 17, 2027 Sep 17, 2027 Dec 17, 2027 Jan 21, 2028

ITM/OTM for Nov 20, 2026View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
13,636	8,220	550	20,342

MRK Nov 20, 2026 Exp. - Volume by Strike

Puts

Calls

MRK Nov 20, 2026 Exp. - Open Interest by Strike

Puts

Calls

MRK Nov 20, 2026 Exp. - Max Pain @ $145.00

Puts

Calls

MRK Nov 20, 2026 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
220 C	0.31	0%	9	9	08-21	MRK261120C00220000
210 C	0.50	0%	1	1	08-21	MRK261120C00210000
200 C	0.60	-41.75%	3	8	09-02	MRK261120C00200000
195 C	0.67	-43.70%	1	8	09-01	MRK261120C00195000
190 C	0.93	-12.26%	2	76	09-03	MRK261120C00190000
185 C	1.30	+0.78%	1	35	09-03	MRK261120C00185000
180 C	1.66	-0.60%	14	630	09-03	MRK261120C00180000
175 C	2.43	+6.58%	27	733	09-03	MRK261120C00175000
170 C	3.00	-2.28%	59	1,530	09-03	MRK261120C00170000
165 C	4.44	+4.47%	280	2,105	09-03	MRK261120C00165000
160 C	6.25	+7.76%	23	2,477	09-03	MRK261120C00160000
155 C	7.84	+2.89%	14	608	09-03	MRK261120C00155000
150 C	10.20	+0.49%	27	11,247	09-03	MRK261120C00150000
145 C	11.30	-10.10%	1	1,708	09-03	MRK261120C00145000
140 C	14.03	+3.77%	15	273	09-01	MRK261120C00140000
135 C	18.76	-2.44%	2	108	09-03	MRK261120C00135000
130 C	20.71	-17.56%	2	172	08-28	MRK261120C00130000
125 C	27.63	+6.76%	1	18	09-02	MRK261120C00125000
120 C	30.57	-7.59%	1	26	09-01	MRK261120C00120000
115 C	37.75	+71.44%	3	11	08-25	MRK261120C00115000
110 C	39.35	-13.33%	1	26	09-01	MRK261120C00110000
105 C	0	0%	0			MRK261120C00105000
100 C	53.00	+2.89%	10	26	09-03	MRK261120C00100000
95 C	60.10	+55.66%	10	10	08-25	MRK261120C00095000
90 C	0	0%	0			MRK261120C00090000
85 C	62.97	+24.77%	10	11	08-28	MRK261120C00085000
80 C	0	0%	0			MRK261120C00080000
75 C	0	0%	0			MRK261120C00075000
70 C	0	0%	0			MRK261120C00070000
65 C	0	0%	0			MRK261120C00065000

Puts

Strike	Price	Change	Vol	OI	Last	Contract Name
220 P	0	0%	0			MRK261120P00220000
210 P	0	0%	0			MRK261120P00210000
200 P	0	0%	0			MRK261120P00200000
195 P	0	0%	0			MRK261120P00195000
190 P	0	0%	0			MRK261120P00190000
185 P	0	0%	0			MRK261120P00185000
180 P	33.30	+8.26%	1	59	08-28	MRK261120P00180000
175 P	27.60	+3.18%	2	8	08-20	MRK261120P00175000
170 P	20.07	+2.14%	1	18	08-26	MRK261120P00170000
165 P	16.00	-5.49%	18	28	08-26	MRK261120P00165000
160 P	13.50	+13.45%	71	111	08-26	MRK261120P00160000
155 P	10.50	-19.23%	1	326	09-03	MRK261120P00155000
150 P	7.90	-0.63%	40	1,347	09-03	MRK261120P00150000
145 P	5.85	0.00%	253	1,449	09-03	MRK261120P00145000
140 P	4.10	-2.38%	15	1,922	09-03	MRK261120P00140000
135 P	2.78	-2.11%	13	11,781	09-03	MRK261120P00135000
130 P	1.91	-7.73%	10	1,797	09-03	MRK261120P00130000
125 P	1.33	+2.31%	11	1,291	09-03	MRK261120P00125000
120 P	0.81	-6.90%	6	366	09-03	MRK261120P00120000
115 P	0.43	-20.37%	1	69	09-03	MRK261120P00115000
110 P	0.30	0.00%	1	232	09-03	MRK261120P00110000
105 P	0.19	-32.14%	9	32	08-25	MRK261120P00105000
100 P	0.20	+53.85%	1	52	08-20	MRK261120P00100000
95 P	0.10	-74.36%	1	1	08-19	MRK261120P00095000
90 P	0	0%	0			MRK261120P00090000
85 P	0.11	0.00%	1	3	08-19	MRK261120P00085000
80 P	0	0%	0			MRK261120P00080000
75 P	0	0%	0			MRK261120P00075000
70 P	0	0%	0			MRK261120P00070000
65 P	0	0%	0			MRK261120P00065000

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