MRK option chain Merck & Co., Inc.

Expiration Cboe delayed options data · as of 15:41 UTC

Each row is one strike. The left half is the call, the right half the put. Bid/ask are what buyers and sellers currently quote; volume is contracts traded this session; open interest is standing contracts. The highlighted row sits closest to the stock price.

This expiration prices a move of about ±9.5% (131.32–158.93) · ATM IV 36.3% · P/C open interest 1.98

CALLS								Strike	PUTS
Bid	Ask	Vol	OIThe number of option contracts currently outstanding at a strike or expiration. High open interest shows where positions are concentrated.	IV	ΔModel sensitivity of an option's price to a $1 move in the stock; also used as a rough moneyness scale (a 25-delta option is well out of the money).	Γ	Θ		Bid	Ask	Vol	OI	IV	Δ	Γ	Θ
64.75	67.65			108.4%	1.00	0.0003	0.000	80	0	2.13			118.3%	-0.00	0.0003	-0.004
59.90	62.60			99.5%	1.00	0.0004	0.000	85	0	1.76			103.7%	-0.00	0.0004	-0.005
54.75	57.70			89.1%	0.99	0.0006	-0.001	90	0	2.13			98.4%	-0.01	0.0006	-0.007
49.95	52.65			81.8%	0.99	0.0010	-0.004	95	0	2.13			89.1%	-0.01	0.0010	-0.009
44.85	47.70			72.4%	0.99	0.0014	-0.007	100	0	2.14			80.4%	-0.01	0.0014	-0.011
39.90	42.70			64.6%	0.98	0.0020	-0.010	105	0	2.16			72.1%	-0.02	0.0020	-0.014
35.15	37.80			59.7%	0.97	0.0029	-0.015	110	0	2.21			64.3%	-0.03	0.0029	-0.018
30.15	32.90			52.5%	0.96	0.0044	-0.021	115	0	2.31			57.0%	-0.04	0.0044	-0.024
25.45	28.15			48.4%	0.93	0.0066	-0.029	120	0	2.51			50.3%	-0.07	0.0066	-0.032
21.00	23.45			44.9%	0.89	0.0097	-0.041	125	0.5700	1.76			41.4%	-0.11	0.0097	-0.043
17.55	20.05			43.1%	0.85	0.0128	-0.052	129	1.13	2.06		5	39.2%	-0.15	0.0129	-0.054
16.55	19.25		13	42.1%	0.84	0.0136	-0.055	130	0.8400	1.91		3	35.6%	-0.16	0.0137	-0.057
15.70	18.40			41.5%	0.82	0.0144	-0.058	131	0.0800	3.55		2	37.7%	-0.18	0.0146	-0.060
14.95	17.60			41.3%	0.81	0.0153	-0.060	132	0.8000	2.53		1	34.8%	-0.19	0.0154	-0.062
14.25	16.70			40.9%	0.79	0.0161	-0.063	133	1.48	2.64	1	3	36.2%	-0.21	0.0163	-0.065
13.35	16.00			40.3%	0.78	0.0170	-0.066	134	1.70	2.95	1	2	36.3%	-0.23	0.0172	-0.068
12.65	15.25		2	40.2%	0.76	0.0178	-0.068	135	2.16	2.70	1	3	35.2%	-0.24	0.0180	-0.070
12.00	14.45			39.9%	0.74	0.0186	-0.071	136	1.29	4.00		1	34.8%	-0.26	0.0188	-0.073
11.30	13.80			39.9%	0.72	0.0194	-0.073	137	2.25	3.75	2	2	35.1%	-0.28	0.0197	-0.075
10.85	12.10			37.3%	0.70	0.0202	-0.075	138	2.07	3.75		3	32.5%	-0.30	0.0204	-0.077
9.90	12.00			38.0%	0.68	0.0209	-0.077	139	3.30	4.40		3	36.1%	-0.32	0.0212	-0.079
9.25	10.35	10		34.9%	0.66	0.0216	-0.079	140	3.45	4.75		70	35.4%	-0.35	0.0218	-0.081
8.70	10.25			36.5%	0.64	0.0222	-0.081	141	3.15	5.15			33.4%	-0.37	0.0225	-0.082
8.25	10.10			37.9%	0.61	0.0227	-0.082	142	4.50	5.00			34.4%	-0.39	0.0230	-0.083
7.45	9.85		1	38.0%	0.59	0.0231	-0.083	143	4.00	6.25		2	34.1%	-0.41	0.0235	-0.084
6.90	8.55			35.9%	0.57	0.0235	-0.084	144	4.45	6.45			33.3%	-0.44	0.0239	-0.085
6.60	8.50	3	1	37.7%	0.54	0.0238	-0.084	145	5.85	6.65		70	35.0%	-0.46	0.0242	-0.086
6.05	7.75			36.8%	0.52	0.0239	-0.084	146	5.75	7.70		8	34.8%	-0.49	0.0244	-0.086
5.10	7.05			34.8%	0.50	0.0240	-0.084	147	5.75	7.90		16	32.4%	-0.51	0.0245	-0.086
4.95	6.90			36.4%	0.47	0.0240	-0.084	148	7.40	8.15			34.4%	-0.53	0.0245	-0.085
4.50	6.35			35.9%	0.45	0.0239	-0.083	149	7.35	9.15		1	33.8%	-0.56	0.0245	-0.085
4.30	5.65		16	35.7%	0.43	0.0237	-0.082	150	7.35	9.60		16	31.7%	-0.58	0.0243	-0.084
3.40	4.85		2	35.8%	0.37	0.0229	-0.079	152.5	10.20	11.00		1	34.4%	-0.64	0.0236	-0.081
2.81	4.30	1	14	36.9%	0.32	0.0216	-0.074	155	12.00	12.75			34.4%	-0.69	0.0224	-0.076
2.09	3.40		9	35.9%	0.27	0.0200	-0.069	157.5	12.50	14.80			30.1%	-0.74	0.0208	-0.071
1.73	3.05	3	17	37.2%	0.23	0.0182	-0.063	160	14.20	16.85			28.3%	-0.79	0.0191	-0.065
0	2.28		2	31.0%	0.19	0.0162	-0.056	162.5	16.30	19.20			28.3%	-0.83	0.0172	-0.058
1.04	3.20			41.8%	0.16	0.0143	-0.050	165	18.95	21.40			30.0%	-0.86	0.0154	-0.052
0	2.93			39.5%	0.13	0.0124	-0.044	167.5	20.80	23.70				-0.89	0.0136	-0.046
0.1900	2.74			42.3%	0.10	0.0107	-0.038	170	23.15	26.05				-0.92	0.0120	-0.040
0	2.49		30	45.3%	0.07	0.0078	-0.029	175	27.95	30.85				-0.96	0.0090	-0.031
0	0.6900			37.5%	0.05	0.0056	-0.021	180	32.85	35.80				-0.98	0.0061	-0.021
0	2.25			53.2%	0.03	0.0040	-0.016	185	37.85	41.75				-1.00	0.0027	-0.014
0	0.9500			47.7%	0.02	0.0030	-0.013	190	42.85	46.75				-1.00	0.0004	-0.014
0	2.17			61.0%	0.02	0.0023	-0.010	195	47.85	51.75				-1.00	0.0000	-0.014
0	2.15			64.8%	0.01	0.0018	-0.009	200	52.85	56.75				-1.00	0.0000	-0.014
0	2.14			68.4%	0.01	0.0014	-0.008	205	57.85	61.75				-1.00	0.0000	-0.014
0	2.13			71.9%	0.01	0.0012	-0.007	210	62.85	66.75				-1.00	0.0000	-0.014

Strikes shown: within ±50% of the underlying price. Intrinsic value = max(0, price − strike) for calls, max(0, strike − price) for puts; extrinsic = option price − intrinsic. Greeks and IV as computed by the exchange feed.

Volatility smile — Nov 27, 2026

Volatility page →

Implied volatility per strike for this expiration. Out-of-the-money puts usually price higher IV than calls — the skew.

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MRK option chain Merck & Co., Inc.

Volatility smile — Nov 27, 2026

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