MRK option chain Merck & Co., Inc.

Expiration Cboe delayed options data · as of 00:36 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 ±6.9% (141.29–162.09) · ATM IV 27.2% · P/C open interest 0.08

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
70.50	74.40			100.0%	1.00	0.0000	0.000	80	0	2.13			129.4%	-0.00	0.0001	-0.001
65.45	69.40			87.2%	1.00	0.0000	0.000	85	0	2.13		1	118.8%	-0.00	0.0001	-0.001
60.45	64.40			78.3%	1.00	0.0000	0.000	90	0	2.13			108.8%	-0.00	0.0001	-0.001
55.55	59.45			78.0%	1.00	0.0000	0.000	95	0	0.0100		5	48.7%	-0.00	0.0002	-0.002
50.50	54.45			68.0%	1.00	0.0000	0.000	100	0	2.13			90.3%	-0.00	0.0003	-0.002
45.60	49.45			64.0%	1.00	0.0001	0.000	105	0	2.13			81.6%	-0.00	0.0006	-0.003
40.55	44.45			55.1%	1.00	0.0003	0.000	110	0	2.14		1	73.4%	-0.01	0.0009	-0.005
35.50	38.55				1.00	0.0007	0.000	115	0	0.8300			52.8%	-0.01	0.0016	-0.008
30.50	34.45			39.8%	0.99	0.0017	0.000	120	0	1.16			49.5%	-0.02	0.0027	-0.012
25.60	29.50			37.3%	0.98	0.0037	-0.003	125	0	1.03			41.4%	-0.04	0.0046	-0.018
20.65	23.45		1		0.96	0.0073	-0.016	130	0	1.24			36.3%	-0.06	0.0077	-0.026
16.40	18.95		7	27.6%	0.91	0.0128	-0.032	135	0	1.36		9	30.2%	-0.11	0.0123	-0.038
15.50	17.85			26.3%	0.90	0.0141	-0.036	136	0.2600	2.02	1		33.7%	-0.12	0.0134	-0.040
14.80	16.90			27.7%	0.89	0.0155	-0.039	137	0.4800	2.02			33.1%	-0.13	0.0146	-0.043
13.80	16.00		1	27.0%	0.87	0.0169	-0.043	138	0.6700	1.92		7	31.9%	-0.15	0.0158	-0.046
12.90	15.15			27.0%	0.85	0.0182	-0.046	139	0.7500	1.70	2	4	29.8%	-0.16	0.0171	-0.048
12.10	13.85		1	24.9%	0.84	0.0196	-0.050	140	1.00	1.82	8	1	29.7%	-0.18	0.0185	-0.051
11.55	13.40			28.1%	0.82	0.0210	-0.053	141	1.14	1.90	12	1	28.9%	-0.20	0.0198	-0.054
10.45	12.30		2	25.6%	0.79	0.0223	-0.056	142	1.34	2.35	9	4	29.6%	-0.22	0.0212	-0.057
9.70	11.50		1	25.8%	0.77	0.0236	-0.059	143	1.62	2.53	7		29.4%	-0.24	0.0225	-0.059
9.50	11.65		3	30.7%	0.75	0.0248	-0.062	144	1.91	3.05	4		30.2%	-0.26	0.0238	-0.062
8.85	10.45		4	29.2%	0.72	0.0259	-0.064	145	2.05	3.20	6	1	29.1%	-0.29	0.0250	-0.065
7.85	9.40			27.1%	0.69	0.0269	-0.066	146	1.68	3.50	3	1	26.9%	-0.31	0.0262	-0.067
7.55	8.65		78	27.9%	0.67	0.0278	-0.068	147	2.73	3.95		3	29.2%	-0.34	0.0272	-0.069
6.55	8.20	10	6	27.3%	0.64	0.0285	-0.070	148	3.10	4.25		6	28.9%	-0.37	0.0281	-0.070
6.45	7.40		4	28.1%	0.61	0.0291	-0.071	149	2.77	4.70	1	3	27.0%	-0.40	0.0288	-0.072
5.85	6.80		5	27.8%	0.58	0.0295	-0.072	150	3.95	5.10	1	2	28.9%	-0.43	0.0295	-0.073
4.60	5.55	5	1	27.9%	0.50	0.0299	-0.073	152.5	4.35	6.30			26.5%	-0.50	0.0302	-0.074
3.45	4.35		421	27.4%	0.43	0.0294	-0.072	155	6.45	7.65			28.1%	-0.58	0.0299	-0.072
2.54	3.55	3	41	27.6%	0.36	0.0279	-0.069	157.5	8.15	9.25			28.3%	-0.65	0.0286	-0.068
1.98	2.84	10	7	28.2%	0.30	0.0258	-0.064	160	9.60	11.30			28.1%	-0.71	0.0265	-0.062
1.23	2.11	10		27.2%	0.24	0.0231	-0.057	162.5	10.85	13.05			25.0%	-0.77	0.0238	-0.055
0.8500	1.77	614	2	28.0%	0.19	0.0202	-0.050	165	13.65	15.70			30.1%	-0.82	0.0207	-0.046
0.6100	1.83	3		30.3%	0.15	0.0172	-0.043	167.5	15.85	17.75			30.2%	-0.86	0.0176	-0.038
0.4500	1.65		1	31.7%	0.12	0.0144	-0.037	170	18.15	20.40			32.9%	-0.90	0.0146	-0.030
0	2.09		1	34.5%	0.10	0.0120	-0.032	172.5	20.15	22.75			32.2%	-0.92	0.0120	-0.024
0	1.10		16	31.4%	0.08	0.0100	-0.028	175	22.65	25.15			34.1%	-0.94	0.0098	-0.018
0	2.23		1	40.4%	0.06	0.0084	-0.025	177.5	25.15	27.80			37.6%	-0.95	0.0081	-0.013
0	1.67		1	39.8%	0.05	0.0071	-0.022	180	27.45	30.10			37.1%	-0.96	0.0066	-0.009
0	0.7600			35.3%	0.04	0.0060	-0.020	182.5	30.00	32.75			41.0%	-0.97	0.0055	-0.005
0	1.35			42.2%	0.04	0.0051	-0.018	185	31.90	35.20			37.1%	-0.97	0.0046	-0.002
0	1.02			43.8%	0.03	0.0037	-0.014	190	37.00	40.20			42.4%	-0.98	0.0032	0.000
0	1.16			48.9%	0.02	0.0027	-0.012	195	42.05	45.20			47.0%	-0.99	0.0022	0.000
0	0.8300			49.5%	0.02	0.0020	-0.009	200	47.05	50.15			50.2%	-0.99	0.0015	0.000
0	0.8200			52.8%	0.01	0.0015	-0.007	205	51.80	55.15			50.1%	-0.99	0.0011	0.000
0	1.27			60.9%	0.01	0.0012	-0.006	210	56.65	60.15			50.4%	-1.00	0.0008	0.000
0	1.40			65.6%	0.01	0.0009	-0.005	215	61.80	65.15			57.0%	-1.00	0.0005	0.000
0	2.13			75.0%	0.01	0.0007	-0.004	220	67.00	70.15			63.7%	-1.00	0.0004	0.000
0	2.13			78.4%	0.00	0.0005	-0.003	225	71.45	75.10			48.2%	-1.00	0.0002	0.000

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 — Oct 09, 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 — Oct 09, 2026

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