REGN option chain Regeneron Pharmaceuticals, Inc.
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 ±13.7% (690.88–909.58) · ATM IV 31.3% · P/C open interest 0.66
| 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 | |
| 390.30 | 399.00 | 2 | 54.2% | 1.00 | 0.0000 | 0.000 | 410 | 0 | 7.00 | 184 | 71.1% | -0.00 | 0.0000 | -0.011 | ||
| 380.20 | 390.00 | 8 | 55.4% | 1.00 | 0.0001 | 0.000 | 420 | 0 | 7.00 | 77 | 68.9% | -0.00 | 0.0001 | -0.013 | ||
| 370.00 | 380.00 | 4 | 54.1% | 0.99 | 0.0001 | 0.000 | 430 | 0 | 7.10 | 3 | 66.9% | -0.01 | 0.0001 | -0.014 | ||
| 360.10 | 370.00 | 1 | 52.1% | 0.99 | 0.0001 | 0.000 | 440 | 0 | 7.10 | 10 | 64.8% | -0.01 | 0.0001 | -0.016 | ||
| 350.10 | 360.00 | 11 | 46.8% | 0.99 | 0.0001 | 0.000 | 450 | 0 | 7.10 | 28 | 62.7% | -0.01 | 0.0001 | -0.018 | ||
| 340.10 | 350.00 | 23 | 45.9% | 0.99 | 0.0001 | 0.000 | 460 | 0 | 7.10 | 57 | 60.7% | -0.01 | 0.0001 | -0.021 | ||
| 331.00 | 340.00 | 6 | 45.7% | 0.99 | 0.0001 | 0.000 | 470 | 0 | 4.00 | 73 | 52.8% | -0.01 | 0.0001 | -0.023 | ||
| 321.00 | 331.00 | 8 | 47.3% | 0.99 | 0.0002 | 0.000 | 480 | 0 | 7.20 | 102 | 56.9% | -0.01 | 0.0002 | -0.026 | ||
| 311.70 | 321.00 | 5 | 45.4% | 0.99 | 0.0002 | 0.000 | 490 | 0.2000 | 7.20 | 26 | 55.8% | -0.01 | 0.0002 | -0.029 | ||
| 301.10 | 311.00 | 41 | 41.7% | 0.98 | 0.0002 | 0.000 | 500 | 0 | 7.30 | 83 | 53.2% | -0.02 | 0.0002 | -0.033 | ||
| 282.00 | 292.00 | 11 | 40.0% | 0.98 | 0.0003 | -0.001 | 520 | 0 | 7.40 | 145 | 49.6% | -0.02 | 0.0003 | -0.041 | ||
| 272.00 | 281.80 | 9 | 39.3% | 0.98 | 0.0003 | -0.007 | 530 | 0 | 8.20 | 46 | 48.6% | -0.02 | 0.0003 | -0.046 | ||
| 263.10 | 272.00 | 10 | 39.8% | 0.97 | 0.0004 | -0.014 | 540 | 0 | 8.30 | 35 | 46.9% | -0.03 | 0.0004 | -0.051 | ||
| 253.10 | 263.00 | 17 | 40.0% | 0.97 | 0.0004 | -0.021 | 550 | 0.2500 | 8.40 | 52 | 45.6% | -0.03 | 0.0004 | -0.056 | ||
| 243.70 | 253.00 | 14 | 38.7% | 0.96 | 0.0005 | -0.028 | 560 | 0 | 8.50 | 47 | 43.6% | -0.04 | 0.0005 | -0.062 | ||
| 234.00 | 243.00 | 19 | 36.7% | 0.96 | 0.0005 | -0.035 | 570 | 0 | 8.60 | 162 | 42.0% | -0.04 | 0.0005 | -0.069 | ||
| 224.80 | 234.00 | 14 | 37.6% | 0.95 | 0.0006 | -0.043 | 580 | 0 | 8.60 | 209 | 40.5% | -0.05 | 0.0006 | -0.076 | ||
| 215.40 | 225.00 | 17 | 37.3% | 0.95 | 0.0006 | -0.052 | 590 | 0.4500 | 9.10 | 54 | 39.5% | -0.05 | 0.0007 | -0.083 | ||
| 205.20 | 215.00 | 76 | 36.2% | 0.94 | 0.0007 | -0.061 | 600 | 0.9000 | 9.30 | 164 | 38.4% | -0.06 | 0.0007 | -0.091 | ||
| 196.30 | 206.00 | 26 | 35.2% | 0.93 | 0.0008 | -0.070 | 610 | 1.40 | 9.60 | 30 | 37.4% | -0.07 | 0.0008 | -0.099 | ||
| 187.70 | 197.00 | 18 | 35.8% | 0.92 | 0.0009 | -0.080 | 620 | 1.95 | 9.80 | 24 | 36.5% | -0.08 | 0.0009 | -0.107 | ||
| 178.00 | 188.00 | 11 | 35.3% | 0.91 | 0.0010 | -0.090 | 630 | 2.65 | 10.50 | 38 | 35.8% | -0.09 | 0.0010 | -0.117 | ||
| 169.10 | 179.00 | 35 | 34.9% | 0.90 | 0.0011 | -0.101 | 640 | 3.50 | 11.40 | 19 | 35.3% | -0.10 | 0.0011 | -0.126 | ||
| 161.00 | 171.00 | 53 | 34.9% | 0.89 | 0.0012 | -0.112 | 650 | 4.40 | 12.40 | 190 | 34.8% | -0.11 | 0.0012 | -0.136 | ||
| 152.00 | 162.00 | 8 | 34.1% | 0.88 | 0.0013 | -0.123 | 660 | 5.30 | 13.60 | 16 | 34.2% | -0.13 | 0.0014 | -0.145 | ||
| 144.00 | 153.80 | 21 | 34.1% | 0.86 | 0.0014 | -0.134 | 670 | 6.60 | 15.00 | 27 | 33.9% | -0.14 | 0.0015 | -0.155 | ||
| 136.70 | 144.80 | 33 | 34.2% | 0.84 | 0.0016 | -0.145 | 680 | 8.10 | 16.60 | 94 | 33.5% | -0.16 | 0.0016 | -0.165 | ||
| 128.70 | 136.40 | 23 | 33.8% | 0.83 | 0.0017 | -0.156 | 690 | 10.00 | 18.40 | 48 | 33.3% | -0.17 | 0.0017 | -0.175 | ||
| 121.30 | 128.40 | 74 | 33.7% | 0.81 | 0.0018 | -0.167 | 700 | 12.20 | 19.90 | 146 | 33.0% | -0.19 | 0.0019 | -0.185 | ||
| 112.00 | 122.00 | 19 | 33.0% | 0.79 | 0.0020 | -0.178 | 710 | 14.60 | 22.60 | 28 | 33.0% | -0.21 | 0.0020 | -0.195 | ||
| 105.00 | 114.40 | 58 | 32.8% | 0.77 | 0.0021 | -0.188 | 720 | 17.00 | 25.10 | 120 | 32.8% | -0.24 | 0.0021 | -0.204 | ||
| 98.60 | 106.10 | 22 | 32.9% | 0.75 | 0.0022 | -0.197 | 730 | 20.00 | 27.00 | 44 | 32.4% | -0.26 | 0.0023 | -0.213 | ||
| 91.70 | 99.20 | 401 | 32.7% | 0.72 | 0.0023 | -0.206 | 740 | 23.00 | 30.00 | 2 | 122 | 32.2% | -0.28 | 0.0024 | -0.221 | |
| 85.10 | 92.50 | 81 | 32.5% | 0.70 | 0.0024 | -0.215 | 750 | 26.00 | 33.40 | 57 | 32.0% | -0.31 | 0.0025 | -0.228 | ||
| 77.80 | 87.00 | 38 | 32.1% | 0.67 | 0.0026 | -0.222 | 760 | 29.10 | 37.60 | 8 | 31.9% | -0.33 | 0.0026 | -0.235 | ||
| 72.60 | 80.00 | 21 | 32.1% | 0.65 | 0.0027 | -0.228 | 770 | 33.10 | 41.10 | 21 | 31.8% | -0.36 | 0.0027 | -0.240 | ||
| 67.10 | 74.20 | 13 | 32.1% | 0.62 | 0.0027 | -0.233 | 780 | 37.40 | 44.30 | 100 | 223 | 31.4% | -0.39 | 0.0028 | -0.245 | |
| 60.70 | 68.60 | 29 | 31.7% | 0.59 | 0.0028 | -0.237 | 790 | 41.80 | 48.70 | 274 | 31.2% | -0.42 | 0.0029 | -0.248 | ||
| 55.60 | 63.50 | 169 | 31.6% | 0.56 | 0.0029 | -0.240 | 800 | 46.20 | 53.40 | 1 | 34 | 31.0% | -0.45 | 0.0030 | -0.250 | |
| 51.10 | 58.50 | 43 | 31.6% | 0.53 | 0.0029 | -0.242 | 810 | 51.30 | 58.40 | 42 | 30.8% | -0.48 | 0.0030 | -0.251 | ||
| 46.60 | 53.90 | 55 | 31.5% | 0.50 | 0.0029 | -0.242 | 820 | 56.00 | 65.60 | 35 | 31.0% | -0.51 | 0.0031 | -0.251 | ||
| 42.30 | 49.60 | 26 | 31.5% | 0.48 | 0.0029 | -0.241 | 830 | 62.00 | 69.20 | 21 | 30.5% | -0.54 | 0.0031 | -0.250 | ||
| 38.10 | 45.50 | 45 | 31.3% | 0.45 | 0.0029 | -0.239 | 840 | 67.90 | 75.00 | 1 | 18 | 30.3% | -0.57 | 0.0031 | -0.248 | |
| 34.30 | 41.70 | 1 | 67 | 31.2% | 0.42 | 0.0029 | -0.236 | 850 | 74.40 | 81.20 | 14 | 30.3% | -0.60 | 0.0031 | -0.244 | |
| 30.70 | 38.00 | 35 | 31.1% | 0.39 | 0.0029 | -0.231 | 860 | 80.90 | 87.60 | 25 | 30.1% | -0.63 | 0.0031 | -0.240 | ||
| 27.10 | 34.90 | 22 | 30.9% | 0.37 | 0.0028 | -0.226 | 870 | 87.10 | 96.80 | 3 | 30.5% | -0.66 | 0.0030 | -0.234 | ||
| 24.00 | 31.90 | 63 | 30.8% | 0.34 | 0.0027 | -0.220 | 880 | 94.10 | 103.50 | 1 | 30.4% | -0.68 | 0.0030 | -0.228 | ||
| 21.90 | 29.10 | 120 | 31.0% | 0.32 | 0.0027 | -0.213 | 890 | 101.80 | 108.60 | 29.6% | -0.71 | 0.0029 | -0.221 | |||
| 18.90 | 26.60 | 10 | 220 | 30.8% | 0.29 | 0.0026 | -0.206 | 900 | 109.10 | 117.20 | 1 | 29.8% | -0.74 | 0.0028 | -0.214 | |
| 16.60 | 24.30 | 14 | 202 | 30.8% | 0.27 | 0.0025 | -0.198 | 910 | 117.60 | 125.10 | 29.9% | -0.76 | 0.0028 | -0.206 | ||
| 14.50 | 22.30 | 81 | 30.8% | 0.25 | 0.0024 | -0.190 | 920 | 125.50 | 132.20 | 29.4% | -0.78 | 0.0027 | -0.198 | |||
| 12.50 | 20.50 | 77 | 30.7% | 0.23 | 0.0023 | -0.181 | 930 | 133.00 | 142.90 | 29.9% | -0.81 | 0.0026 | -0.190 | |||
| 10.70 | 18.80 | 57 | 30.7% | 0.21 | 0.0022 | -0.172 | 940 | 142.10 | 149.20 | 29.1% | -0.83 | 0.0025 | -0.181 | |||
| 9.20 | 17.00 | 1 | 52 | 30.6% | 0.19 | 0.0020 | -0.163 | 950 | 150.00 | 158.90 | 29.0% | -0.85 | 0.0024 | -0.172 | ||
| 7.70 | 15.00 | 25 | 30.3% | 0.18 | 0.0019 | -0.155 | 960 | 159.60 | 166.90 | 28.8% | -0.87 | 0.0023 | -0.163 | |||
| 6.20 | 14.70 | 17 | 30.6% | 0.16 | 0.0018 | -0.146 | 970 | 168.00 | 177.80 | 29.3% | -0.89 | 0.0022 | -0.152 | |||
| 5.30 | 13.20 | 51 | 30.6% | 0.15 | 0.0017 | -0.138 | 980 | 177.00 | 187.00 | 28.8% | -0.90 | 0.0021 | -0.141 | |||
| 3.10 | 11.20 | 962 | 30.4% | 0.12 | 0.0015 | -0.121 | 1,000 | 196.00 | 206.00 | 28.3% | -0.94 | 0.0020 | -0.136 | |||
| 2.70 | 10.40 | 6 | 30.7% | 0.11 | 0.0014 | -0.114 | 1,010 | 206.00 | 216.00 | -0.95 | 0.0020 | -0.139 | ||||
| 2.00 | 9.80 | 16 | 30.9% | 0.10 | 0.0013 | -0.106 | 1,020 | 216.00 | 226.00 | -0.96 | 0.0019 | -0.124 | ||||
| 1.40 | 9.70 | 31.2% | 0.09 | 0.0012 | -0.099 | 1,030 | 226.00 | 236.00 | -0.98 | 0.0016 | -0.125 | |||||
| 0.9500 | 9.20 | 5 | 31.6% | 0.08 | 0.0011 | -0.092 | 1,040 | 236.00 | 245.80 | -0.98 | 0.0012 | -0.115 | ||||
| 0.5000 | 9.00 | 32.0% | 0.08 | 0.0010 | -0.086 | 1,050 | 246.00 | 255.90 | -0.99 | 0.0007 | -0.115 | |||||
| 0.1500 | 8.80 | 34 | 32.4% | 0.07 | 0.0010 | -0.080 | 1,060 | 256.00 | 266.00 | -1.00 | 0.0003 | -0.115 | ||||
| 0 | 8.80 | 3 | 33.0% | 0.06 | 0.0009 | -0.074 | 1,070 | 266.00 | 275.80 | -1.00 | 0.0001 | -0.115 | ||||
| 0 | 8.60 | 36 | 33.6% | 0.06 | 0.0008 | -0.069 | 1,080 | 276.00 | 286.00 | -1.00 | 0.0000 | -0.115 | ||||
| 0 | 8.30 | 34.3% | 0.05 | 0.0008 | -0.064 | 1,090 | 286.00 | 295.60 | -1.00 | 0.0000 | -0.115 | |||||
| 0.0500 | 8.10 | 1,101 | 35.0% | 0.05 | 0.0007 | -0.060 | 1,100 | 296.00 | 305.60 | -1.00 | 0.0000 | -0.115 | ||||
| 0 | 8.20 | 35.6% | 0.04 | 0.0006 | -0.055 | 1,110 | 306.00 | 316.00 | -1.00 | 0.0000 | -0.115 | |||||
| 0 | 7.90 | 331 | 36.3% | 0.04 | 0.0006 | -0.051 | 1,120 | 316.00 | 326.00 | -1.00 | 0.0000 | -0.115 | ||||
| 0 | 8.00 | 37.0% | 0.03 | 0.0006 | -0.048 | 1,130 | 326.00 | 336.00 | -1.00 | 0.0000 | -0.115 | |||||
| 0 | 8.00 | 529 | 37.7% | 0.03 | 0.0005 | -0.044 | 1,140 | 336.00 | 346.00 | -1.00 | 0.0000 | -0.115 | ||||
| 0 | 7.90 | 38.4% | 0.03 | 0.0005 | -0.041 | 1,150 | 346.00 | 356.00 | -1.00 | 0.0000 | -0.115 | |||||
| 0 | 7.90 | 72 | 39.1% | 0.03 | 0.0004 | -0.038 | 1,160 | 356.00 | 365.60 | -1.00 | 0.0000 | -0.115 | ||||
| 0 | 7.10 | 25 | 39.9% | 0.02 | 0.0004 | -0.033 | 1,180 | 376.00 | 386.00 | -1.00 | 0.0000 | -0.115 | ||||
| 0 | 7.20 | 74 | 41.2% | 0.02 | 0.0003 | -0.028 | 1,200 | 396.00 | 406.00 | -1.00 | 0.0000 | -0.115 | ||||
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 — Dec 18, 2026
Volatility page →Implied volatility per strike for this expiration. Out-of-the-money puts usually price higher IV than calls — the skew.