REGN option chain Regeneron Pharmaceuticals, Inc.

Expiration Cboe delayed options data · as of 21:53 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% (770.34–919.74) · ATM IV 29.7% · P/C open interest —

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
138.80	146.90			33.6%	0.94	0.0012	-0.045	710	0	8.00			35.6%	-0.07	0.0012	-0.130
129.80	137.60			33.3%	0.92	0.0014	-0.069	720	0	8.30			33.8%	-0.08	0.0014	-0.148
120.70	128.60			32.9%	0.91	0.0016	-0.094	730	0	8.70			32.0%	-0.09	0.0016	-0.168
111.20	119.70			32.0%	0.89	0.0019	-0.121	740	2.35	9.30			32.5%	-0.11	0.0019	-0.188
103.00	111.00			32.1%	0.87	0.0021	-0.148	750	2.30	10.50			31.1%	-0.13	0.0022	-0.210
94.40	102.60			31.7%	0.85	0.0024	-0.175	760	3.90	12.10			31.0%	-0.16	0.0024	-0.232
86.80	94.70			32.0%	0.82	0.0027	-0.202	770	5.80	13.90			30.9%	-0.18	0.0027	-0.254
79.00	86.70			31.6%	0.79	0.0030	-0.229	780	7.90	15.80			30.6%	-0.21	0.0030	-0.275
70.00	79.10			30.6%	0.76	0.0032	-0.254	790	10.20	18.30			30.4%	-0.24	0.0033	-0.295
63.60	72.00			30.8%	0.73	0.0035	-0.277	800	12.60	21.30			30.2%	-0.28	0.0036	-0.313
57.50	64.90			30.8%	0.69	0.0037	-0.298	810	16.20	24.70			30.3%	-0.32	0.0038	-0.328
50.60	58.50			30.5%	0.65	0.0039	-0.316	820	19.30	27.70			29.7%	-0.36	0.0040	-0.341
44.60	52.50			30.3%	0.61	0.0041	-0.330	830	23.20	31.60			29.5%	-0.40	0.0042	-0.350
39.40	45.90	1		29.9%	0.57	0.0042	-0.340	840	28.20	36.00			29.6%	-0.44	0.0043	-0.355
33.80	41.60			29.9%	0.52	0.0043	-0.345	850	33.00	41.00			29.5%	-0.48	0.0044	-0.356
28.90	36.40	1		29.5%	0.48	0.0043	-0.347	860	38.30	45.80			29.2%	-0.53	0.0045	-0.352
24.80	32.00			29.5%	0.44	0.0043	-0.344	870	44.00	51.00			28.8%	-0.57	0.0044	-0.345
21.00	28.10			29.4%	0.40	0.0042	-0.337	880	50.30	57.00			28.6%	-0.61	0.0044	-0.333
17.50	25.00			29.4%	0.36	0.0041	-0.327	890	57.00	64.00			28.7%	-0.66	0.0043	-0.318
14.60	21.50			29.2%	0.32	0.0039	-0.313	900	64.10	71.00			28.6%	-0.70	0.0041	-0.299
11.90	19.00			29.3%	0.28	0.0037	-0.297	910	71.50	79.00			28.8%	-0.73	0.0039	-0.279
9.50	17.00			29.4%	0.25	0.0035	-0.279	920	79.20	86.90			28.8%	-0.77	0.0037	-0.256
7.50	14.30			29.1%	0.22	0.0032	-0.260	930	87.30	95.00			28.7%	-0.80	0.0035	-0.232
5.60	13.00			29.3%	0.19	0.0030	-0.239	940	95.60	103.00			28.3%	-0.83	0.0033	-0.206
4.10	12.00			29.6%	0.17	0.0027	-0.219	950	104.20	112.00			28.4%	-0.86	0.0030	-0.181
2.75	10.30			29.3%	0.14	0.0025	-0.199	960	113.00	120.90			28.2%	-0.89	0.0027	-0.155
1.75	9.70			29.8%	0.12	0.0022	-0.179	970	122.00	130.00			27.8%	-0.91	0.0025	-0.128
0.6500	9.20			30.1%	0.10	0.0020	-0.160	980	131.20	139.00			26.7%	-0.93	0.0023	-0.099
0	8.90			30.8%	0.09	0.0018	-0.143	990	140.60	149.10			26.5%	-0.95	0.0023	-0.069

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 23, 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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REGN option chain Regeneron Pharmaceuticals, Inc.

Volatility smile — Oct 23, 2026

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