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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 Jan 21, 2028View All Dates

Calls ITM	Calls OTM	Puts ITM	Puts OTM
9,659	2,130	164	13,293

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 @ $115.00

Puts

Calls

MRK Jan 21, 2028 Exp. - Option Chain

In the Money (ITM)

Calls

Strike	Price	Change	Vol	OI	Last	Contract Name
230 C	6.00	+11.73%	1	5	09-03	MRK280121C00230000
220 C	7.80	+17.29%	1	4	08-26	MRK280121C00220000
210 C	0	0%	0			MRK280121C00210000
200 C	9.85	+9.44%	2	24	09-03	MRK280121C00200000
195 C	9.60	-5.42%	1	66	08-28	MRK280121C00195000
190 C	10.85	-7.89%	6	44	09-01	MRK280121C00190000
185 C	11.95	-16.26%	10	26	09-01	MRK280121C00185000
180 C	14.37	+1.20%	11	250	09-03	MRK280121C00180000
175 C	15.85	+10.45%	1	147	09-03	MRK280121C00175000
170 C	17.00	+11.48%	19	292	09-01	MRK280121C00170000
165 C	18.91	+3.05%	2	323	09-03	MRK280121C00165000
160 C	20.10	-0.50%	6	672	09-03	MRK280121C00160000
155 C	23.30	+3.10%	15	277	09-03	MRK280121C00155000
150 C	25.40	+2.63%	13	472	09-03	MRK280121C00150000
145 C	27.11	+0.59%	1	191	09-03	MRK280121C00145000
140 C	29.30	+4.83%	5	1,432	09-02	MRK280121C00140000
135 C	32.55	+6.03%	31	627	09-02	MRK280121C00135000
130 C	35.70	+9.01%	102	566	09-02	MRK280121C00130000
125 C	37.35	-2.35%	20	918	09-03	MRK280121C00125000
120 C	41.60	+4.00%	2	2,149	09-03	MRK280121C00120000
115 C	44.39	-4.54%	3	529	09-03	MRK280121C00115000
110 C	48.61	+6.25%	20	645	09-03	MRK280121C00110000
105 C	49.40	-10.21%	10	616	08-31	MRK280121C00105000
100 C	56.00	+5.16%	3	724	09-02	MRK280121C00100000
95 C	63.10	+3.61%	6	85	08-25	MRK280121C00095000
90 C	64.28	-1.52%	2	142	08-27	MRK280121C00090000
85 C	65.26	-4.51%	1	123	08-31	MRK280121C00085000
80 C	73.75	+6.54%	2	118	09-03	MRK280121C00080000
75 C	75.35	+2.34%	20	152	09-01	MRK280121C00075000
70 C	67.00	+2.15%	2	35	08-18	MRK280121C00070000
65 C	85.00	+34.07%	2	14	08-19	MRK280121C00065000
60 C	65.95	-5.46%	2	89	07-09	MRK280121C00060000
55 C	76.62	+0.62%	2	3	07-29	MRK280121C00055000
50 C	82.35	+5.44%	2	23	08-11	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
230 P	0	0%	0			MRK280121P00230000
220 P	0	0%	0			MRK280121P00220000
210 P	0	0%	0			MRK280121P00210000
200 P	54.60	+4.20%	1	1	08-27	MRK280121P00200000
195 P	0	0%	0			MRK280121P00195000
190 P	0	0%	0			MRK280121P00190000
185 P	0	0%	0			MRK280121P00185000
180 P	37.82	-2.63%	2	3	08-21	MRK280121P00180000
175 P	0	0%	0			MRK280121P00175000
170 P	31.31	-20.23%	10	13	08-21	MRK280121P00170000
165 P	27.80	-6.71%	1	91	09-03	MRK280121P00165000
160 P	24.80	-6.77%	1	25	09-03	MRK280121P00160000
155 P	22.00	-0.90%	1	31	09-03	MRK280121P00155000
150 P	19.60	-0.15%	1	66	09-03	MRK280121P00150000
145 P	18.37	+15.24%	2	237	08-31	MRK280121P00145000
140 P	15.90	-0.31%	1	189	09-01	MRK280121P00140000
135 P	12.20	-7.58%	1	294	08-25	MRK280121P00135000
130 P	11.00	-6.38%	1	342	09-02	MRK280121P00130000
125 P	9.62	-5.69%	52	933	09-01	MRK280121P00125000
120 P	8.03	+6.36%	109	722	09-03	MRK280121P00120000
115 P	6.57	+1.55%	4	906	09-01	MRK280121P00115000
110 P	5.40	+0.93%	18	1,459	09-03	MRK280121P00110000
105 P	4.75	+2.15%	23	530	09-03	MRK280121P00105000
100 P	3.55	+4.11%	2	2,374	09-02	MRK280121P00100000
95 P	2.86	-4.35%	12	942	09-02	MRK280121P00095000
90 P	2.31	+2.21%	413	720	09-02	MRK280121P00090000
85 P	1.82	-4.21%	4	353	09-02	MRK280121P00085000
80 P	1.52	+0.66%	29	333	09-02	MRK280121P00080000
75 P	1.18	+7.27%	2	499	09-02	MRK280121P00075000
70 P	0.83	-9.78%	2	1,159	09-03	MRK280121P00070000
65 P	0.74	+5.71%	1	257	09-01	MRK280121P00065000
60 P	0.59	-13.24%	1	22	09-01	MRK280121P00060000
55 P	0.56	-6.67%	300	670	08-20	MRK280121P00055000
50 P	0.46	+27.78%	22	91	08-20	MRK280121P00050000
45 P	0.27	+8.00%	2	9	09-03	MRK280121P00045000
40 P	2.51	+578.38%	18	186	08-20	MRK280121P00040000

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

MRK Jan 21, 2028 Exp. - Max Pain @ $115.00

MRK
Merck & Co., Inc.
stock NYSE