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 ±8.8% (132.32–157.93) · ATM IV 42.0% · P/C open interest 0.61

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
64.80	67.55			137.9%	1.00	0.0002	0.000	80	0	2.14			147.0%	-0.00	0.0002	-0.003
59.75	62.50			123.5%	1.00	0.0003	0.000	85	0	2.14			134.3%	-0.00	0.0003	-0.005
54.50	57.55			108.3%	1.00	0.0004	0.000	90	0	2.15			122.3%	-0.00	0.0005	-0.006
49.65	52.60			100.5%	0.99	0.0007	-0.001	95	0	2.16			111.0%	-0.01	0.0007	-0.008
44.75	47.65			91.9%	0.99	0.0010	-0.004	100	0	1.84			96.3%	-0.01	0.0010	-0.011
39.85	42.60			82.2%	0.99	0.0015	-0.007	105	0	1.15			77.5%	-0.01	0.0015	-0.013
34.85	37.75			73.8%	0.98	0.0022	-0.011	110	0	0.1400		21	47.8%	-0.02	0.0022	-0.017
30.15	32.70			66.5%	0.97	0.0035	-0.018	115	0.0200	0.3200		1	47.0%	-0.03	0.0035	-0.023
25.35	27.85			59.6%	0.95	0.0057	-0.029	120	0.2000	0.4400		107	44.6%	-0.05	0.0057	-0.033
20.70	23.15			54.1%	0.92	0.0091	-0.046	125	0.4400	0.7800		8	42.8%	-0.08	0.0092	-0.049
17.10	19.40			49.6%	0.87	0.0128	-0.063	129	0.5700	1.74		1	43.4%	-0.13	0.0129	-0.066
16.30	18.75		7	50.3%	0.86	0.0139	-0.067	130	0.9900	1.47		25	41.1%	-0.14	0.0140	-0.070
15.40	17.70			48.3%	0.85	0.0149	-0.072	131	0.8700	1.67		2	40.8%	-0.15	0.0150	-0.074
14.70	16.30		8	45.7%	0.83	0.0160	-0.076	132	1.20	3.40		2	49.0%	-0.17	0.0161	-0.079
13.65	16.10			46.9%	0.81	0.0171	-0.081	133	1.49	1.81		4	40.7%	-0.19	0.0172	-0.083
13.05	15.45			47.9%	0.80	0.0182	-0.085	134	1.42	2.31		15	40.6%	-0.21	0.0183	-0.088
12.25	14.50		2	46.5%	0.78	0.0192	-0.090	135	1.86	2.24		25	40.1%	-0.23	0.0194	-0.092
11.55	13.75			46.3%	0.76	0.0203	-0.094	136	1.81	3.75		136	43.9%	-0.25	0.0205	-0.096
10.80	13.25			46.7%	0.74	0.0213	-0.098	137	2.42	2.74		5	39.9%	-0.27	0.0215	-0.100
9.95	10.95			39.8%	0.71	0.0223	-0.101	138	2.10	3.25		24	38.2%	-0.29	0.0225	-0.103
9.40	10.90			42.4%	0.69	0.0232	-0.105	139	3.00	3.40		21	39.6%	-0.31	0.0234	-0.107
8.75	11.20		4	45.6%	0.67	0.0240	-0.108	140	3.35	3.70		13	39.4%	-0.34	0.0243	-0.110
8.20	9.05		5	40.4%	0.64	0.0248	-0.111	141	3.75	4.15		4	39.6%	-0.36	0.0250	-0.112
7.45	9.05		4	41.8%	0.62	0.0254	-0.113	142	3.75	5.90		26	42.8%	-0.39	0.0257	-0.114
6.95	7.85		2	39.8%	0.59	0.0260	-0.114	143	4.55	5.00	1	24	39.5%	-0.41	0.0262	-0.116
6.25	7.45		3	39.7%	0.56	0.0264	-0.116	144	4.40	5.55		5	37.7%	-0.44	0.0267	-0.117
5.90	7.40		8	41.7%	0.54	0.0267	-0.117	145	5.10	7.20		8	42.2%	-0.47	0.0270	-0.118
5.30	7.50		4	43.2%	0.51	0.0268	-0.117	146	5.20	6.80			37.8%	-0.49	0.0272	-0.118
5.00	5.90		11	40.0%	0.48	0.0269	-0.117	147	6.20	6.95		2	38.0%	-0.52	0.0273	-0.118
4.60	5.10		13	38.8%	0.46	0.0268	-0.116	148	6.70	8.50			40.9%	-0.55	0.0272	-0.117
4.20	4.70	2	2	38.9%	0.43	0.0266	-0.115	149	6.80	8.15			36.1%	-0.57	0.0270	-0.116
3.80	4.25		58	38.5%	0.41	0.0262	-0.113	150	7.95	9.55		8	40.5%	-0.60	0.0267	-0.114
2.87	3.75		11	39.4%	0.34	0.0249	-0.107	152.5	8.95	10.50			35.6%	-0.66	0.0255	-0.108
2.18	2.98	4	338	39.2%	0.29	0.0231	-0.099	155	11.45	12.40		3	38.3%	-0.72	0.0237	-0.100
1.70	2.62		171	40.5%	0.24	0.0209	-0.089	157.5	12.05	14.40			32.2%	-0.77	0.0215	-0.090
1.25	1.91	1	93	39.6%	0.19	0.0184	-0.079	160	13.90	16.40			28.7%	-0.82	0.0191	-0.080
0.8200	3.15		23	47.4%	0.16	0.0160	-0.069	162.5	16.10	18.60				-0.86	0.0167	-0.070
0.6000	1.26		18	40.0%	0.12	0.0136	-0.060	165	18.35	20.85				-0.89	0.0144	-0.061
0.5100	2.70		5	51.1%	0.10	0.0115	-0.052	167.5	20.70	23.25				-0.92	0.0124	-0.052
0.0700	2.15			48.8%	0.08	0.0097	-0.045	170	23.05	25.65				-0.94	0.0106	-0.046
0.1100	2.40		1	56.9%	0.06	0.0070	-0.035	175	27.90	30.45				-0.96	0.0080	-0.035
0.0300	0.3600		3	42.4%	0.04	0.0052	-0.030	180	32.85	36.60				-0.98	0.0060	-0.029
0	2.24		3	66.5%	0.03	0.0041	-0.027	185	37.85	41.55				-0.98	0.0046	-0.025
0	2.20			71.5%	0.03	0.0034	-0.025	190	42.85	46.55				-0.99	0.0036	-0.022
0	2.18			76.4%	0.03	0.0028	-0.023	195	47.85	51.75				-0.99	0.0026	-0.023
0	2.17			81.1%	0.02	0.0024	-0.021	200	52.85	56.75				-0.99	0.0019	-0.023
0	2.15			85.5%	0.02	0.0020	-0.020	205	57.85	61.75				-1.00	0.0014	-0.021
0	2.15			90.0%	0.02	0.0017	-0.018	210	62.85	66.75				-1.00	0.0010	-0.020
0	2.14			94.2%	0.01	0.0015	-0.017	215	67.85	71.70				-1.00	0.0006	-0.021

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 13, 2026

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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 13, 2026

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