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 ±18.3% (690.14–999.94) · ATM IV 33.7% · P/C open interest 0.67
| 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 | |
| 420.10 | 429.10 | 39.6% | 1.00 | 0.0001 | 0.000 | 430 | 0 | 7.00 | 57.7% | -0.00 | 0.0001 | -0.009 | ||||
| 410.40 | 419.30 | 39.1% | 1.00 | 0.0001 | 0.000 | 440 | 0 | 7.00 | 56.0% | -0.01 | 0.0001 | -0.011 | ||||
| 401.00 | 409.60 | 40.8% | 0.99 | 0.0001 | 0.000 | 450 | 0 | 7.10 | 54.5% | -0.01 | 0.0001 | -0.012 | ||||
| 391.00 | 399.90 | 39.0% | 0.99 | 0.0001 | 0.000 | 460 | 0 | 7.10 | 52.9% | -0.01 | 0.0001 | -0.014 | ||||
| 381.20 | 390.20 | 38.2% | 0.99 | 0.0001 | 0.000 | 470 | 0 | 7.20 | 51.4% | -0.01 | 0.0001 | -0.017 | ||||
| 371.60 | 380.50 | 38.2% | 0.99 | 0.0001 | 0.000 | 480 | 0 | 7.20 | 1 | 49.9% | -0.01 | 0.0001 | -0.019 | |||
| 362.00 | 370.90 | 38.3% | 0.99 | 0.0001 | 0.000 | 490 | 0 | 7.30 | 48.5% | -0.01 | 0.0001 | -0.022 | ||||
| 352.30 | 361.30 | 37.9% | 0.99 | 0.0002 | 0.000 | 500 | 0 | 5.80 | 45.0% | -0.02 | 0.0002 | -0.025 | ||||
| 338.00 | 346.90 | 37.7% | 0.98 | 0.0002 | 0.000 | 515 | 0 | 6.00 | 4 | 43.1% | -0.02 | 0.0002 | -0.030 | |||
| 333.10 | 342.10 | 37.3% | 0.98 | 0.0002 | 0.000 | 520 | 0 | 6.10 | 42.6% | -0.02 | 0.0002 | -0.032 | ||||
| 328.80 | 337.40 | 38.2% | 0.98 | 0.0002 | 0.000 | 525 | 0 | 6.20 | 42.0% | -0.02 | 0.0002 | -0.034 | ||||
| 324.00 | 332.60 | 37.9% | 0.98 | 0.0002 | 0.000 | 530 | 0 | 6.30 | 41.4% | -0.02 | 0.0003 | -0.036 | ||||
| 319.00 | 327.90 | 37.4% | 0.98 | 0.0003 | 0.000 | 535 | 0 | 6.30 | 40.7% | -0.03 | 0.0003 | -0.038 | ||||
| 314.20 | 323.20 | 37.2% | 0.97 | 0.0003 | 0.000 | 540 | 0 | 6.40 | 40.2% | -0.03 | 0.0003 | -0.041 | ||||
| 310.00 | 318.40 | 37.7% | 0.97 | 0.0003 | 0.000 | 545 | 0.3000 | 6.50 | 40.0% | -0.03 | 0.0003 | -0.043 | ||||
| 305.00 | 313.70 | 37.2% | 0.97 | 0.0003 | 0.000 | 550 | 0 | 6.60 | 1 | 39.1% | -0.03 | 0.0003 | -0.045 | |||
| 300.10 | 309.10 | 37.0% | 0.97 | 0.0003 | 0.000 | 555 | 0.0500 | 6.70 | 1 | 38.6% | -0.03 | 0.0004 | -0.048 | |||
| 296.00 | 304.40 | 37.5% | 0.97 | 0.0004 | 0.000 | 560 | 0 | 6.90 | 38.1% | -0.04 | 0.0004 | -0.050 | ||||
| 291.00 | 299.80 | 37.1% | 0.96 | 0.0004 | -0.000 | 565 | 0 | 7.00 | 37.5% | -0.04 | 0.0004 | -0.053 | ||||
| 286.20 | 295.10 | 36.8% | 0.96 | 0.0004 | -0.004 | 570 | 0 | 7.20 | 1 | 37.0% | -0.04 | 0.0004 | -0.056 | |||
| 282.00 | 290.50 | 37.1% | 0.96 | 0.0004 | -0.008 | 575 | 0.0500 | 7.30 | 36.5% | -0.04 | 0.0004 | -0.059 | ||||
| 277.60 | 286.00 | 1 | 37.3% | 0.95 | 0.0004 | -0.011 | 580 | 0 | 7.50 | 23 | 36.0% | -0.05 | 0.0005 | -0.061 | ||
| 273.00 | 281.40 | 37.2% | 0.95 | 0.0005 | -0.015 | 585 | 0 | 7.70 | 1 | 35.6% | -0.05 | 0.0005 | -0.064 | |||
| 268.00 | 276.80 | 36.7% | 0.95 | 0.0005 | -0.019 | 590 | 0.0500 | 7.90 | 41 | 35.2% | -0.05 | 0.0005 | -0.068 | |||
| 264.00 | 272.30 | 37.0% | 0.95 | 0.0005 | -0.023 | 595 | 1.00 | 8.20 | 35.6% | -0.06 | 0.0005 | -0.071 | ||||
| 259.00 | 267.80 | 36.6% | 0.94 | 0.0006 | -0.027 | 600 | 1.00 | 8.60 | 45 | 35.3% | -0.06 | 0.0006 | -0.074 | |||
| 255.00 | 263.30 | 36.9% | 0.94 | 0.0006 | -0.031 | 605 | 2.00 | 9.00 | 35.7% | -0.06 | 0.0006 | -0.077 | ||||
| 250.40 | 258.90 | 36.8% | 0.94 | 0.0006 | -0.035 | 610 | 2.00 | 9.50 | 35.4% | -0.07 | 0.0006 | -0.080 | ||||
| 246.00 | 254.50 | 36.7% | 0.93 | 0.0006 | -0.039 | 615 | 3.00 | 10.00 | 35.8% | -0.07 | 0.0006 | -0.084 | ||||
| 241.10 | 250.10 | 36.3% | 0.93 | 0.0007 | -0.043 | 620 | 3.00 | 10.50 | 35.4% | -0.08 | 0.0007 | -0.087 | ||||
| 237.00 | 245.70 | 36.4% | 0.92 | 0.0007 | -0.048 | 625 | 4.00 | 11.10 | 35.8% | -0.08 | 0.0007 | -0.091 | ||||
| 233.00 | 241.60 | 36.7% | 0.92 | 0.0007 | -0.052 | 630 | 6.40 | 11.60 | 36.8% | -0.08 | 0.0007 | -0.094 | ||||
| 228.60 | 237.20 | 36.6% | 0.91 | 0.0008 | -0.056 | 635 | 5.00 | 12.40 | 35.7% | -0.09 | 0.0008 | -0.098 | ||||
| 224.00 | 232.30 | 36.0% | 0.91 | 0.0008 | -0.061 | 640 | 5.10 | 13.00 | 35.4% | -0.09 | 0.0008 | -0.102 | ||||
| 220.00 | 228.00 | 36.1% | 0.90 | 0.0008 | -0.065 | 645 | 6.00 | 13.60 | 35.5% | -0.10 | 0.0008 | -0.105 | ||||
| 216.00 | 224.40 | 36.4% | 0.90 | 0.0008 | -0.070 | 650 | 7.00 | 14.30 | 35.6% | -0.10 | 0.0009 | -0.109 | ||||
| 211.40 | 220.20 | 1 | 36.2% | 0.89 | 0.0009 | -0.074 | 655 | 7.20 | 15.00 | 35.3% | -0.11 | 0.0009 | -0.113 | |||
| 207.80 | 216.00 | 3 | 36.4% | 0.89 | 0.0009 | -0.079 | 660 | 8.00 | 15.70 | 35.3% | -0.11 | 0.0009 | -0.117 | |||
| 203.00 | 211.20 | 35.7% | 0.88 | 0.0010 | -0.083 | 665 | 9.00 | 16.60 | 35.4% | -0.12 | 0.0010 | -0.120 | ||||
| 199.00 | 207.80 | 36.0% | 0.88 | 0.0010 | -0.088 | 670 | 10.00 | 17.40 | 35.4% | -0.13 | 0.0010 | -0.124 | ||||
| 195.00 | 203.20 | 35.8% | 0.87 | 0.0010 | -0.092 | 675 | 11.00 | 18.20 | 35.4% | -0.13 | 0.0010 | -0.128 | ||||
| 191.00 | 199.70 | 35.9% | 0.87 | 0.0011 | -0.097 | 680 | 12.00 | 19.20 | 35.5% | -0.14 | 0.0011 | -0.132 | ||||
| 187.00 | 195.70 | 35.9% | 0.86 | 0.0011 | -0.102 | 685 | 12.50 | 20.00 | 35.2% | -0.14 | 0.0011 | -0.136 | ||||
| 183.00 | 190.90 | 35.5% | 0.85 | 0.0011 | -0.106 | 690 | 13.60 | 21.00 | 35.3% | -0.15 | 0.0012 | -0.140 | ||||
| 179.00 | 187.30 | 35.5% | 0.85 | 0.0012 | -0.111 | 695 | 16.80 | 21.10 | 1 | 35.7% | -0.16 | 0.0012 | -0.143 | |||
| 175.10 | 183.40 | 19 | 35.4% | 0.84 | 0.0012 | -0.115 | 700 | 15.60 | 23.10 | 35.2% | -0.16 | 0.0012 | -0.147 | |||
| 171.30 | 179.60 | 35.4% | 0.83 | 0.0012 | -0.120 | 705 | 17.20 | 24.20 | 35.3% | -0.17 | 0.0013 | -0.151 | ||||
| 167.80 | 175.90 | 1 | 35.5% | 0.83 | 0.0013 | -0.124 | 710 | 18.70 | 25.40 | 35.4% | -0.18 | 0.0013 | -0.155 | |||
| 164.00 | 172.10 | 35.4% | 0.82 | 0.0013 | -0.128 | 715 | 19.20 | 26.60 | 2 | 35.2% | -0.19 | 0.0014 | -0.158 | |||
| 160.20 | 168.40 | 2 | 35.3% | 0.81 | 0.0014 | -0.133 | 720 | 20.40 | 27.80 | 12 | 35.1% | -0.19 | 0.0014 | -0.162 | ||
| 145.90 | 154.10 | 9 | 35.2% | 0.78 | 0.0015 | -0.149 | 740 | 25.80 | 33.20 | 35.0% | -0.23 | 0.0015 | -0.176 | |||
| 132.30 | 140.40 | 3 | 35.0% | 0.75 | 0.0016 | -0.165 | 760 | 32.00 | 39.30 | 34.9% | -0.26 | 0.0017 | -0.189 | |||
| 119.40 | 127.40 | 15 | 34.8% | 0.71 | 0.0017 | -0.178 | 780 | 38.70 | 46.70 | 3 | 34.8% | -0.30 | 0.0018 | -0.200 | ||
| 107.20 | 115.00 | 80 | 34.5% | 0.67 | 0.0018 | -0.190 | 800 | 46.20 | 53.90 | 34.5% | -0.34 | 0.0019 | -0.209 | |||
| 95.50 | 103.00 | 3 | 34.2% | 0.63 | 0.0019 | -0.199 | 820 | 54.40 | 62.00 | 2 | 34.2% | -0.38 | 0.0020 | -0.216 | ||
| 84.50 | 92.00 | 14 | 33.8% | 0.59 | 0.0020 | -0.206 | 840 | 63.30 | 70.00 | 33.7% | -0.42 | 0.0021 | -0.221 | |||
| 74.40 | 82.00 | 3 | 33.5% | 0.55 | 0.0021 | -0.211 | 860 | 72.90 | 80.00 | 33.4% | -0.46 | 0.0022 | -0.224 | |||
| 64.80 | 72.80 | 33.2% | 0.51 | 0.0021 | -0.213 | 880 | 83.40 | 91.00 | 33.1% | -0.51 | 0.0022 | -0.224 | ||||
| 56.10 | 64.00 | 28 | 32.8% | 0.47 | 0.0021 | -0.213 | 900 | 94.70 | 102.40 | 32.8% | -0.55 | 0.0023 | -0.222 | |||
| 48.90 | 56.00 | 8 | 32.6% | 0.43 | 0.0021 | -0.210 | 920 | 107.10 | 114.20 | 32.4% | -0.59 | 0.0023 | -0.218 | |||
| 42.30 | 49.30 | 2 | 32.5% | 0.39 | 0.0020 | -0.205 | 940 | 120.10 | 127.50 | 32.1% | -0.64 | 0.0022 | -0.212 | |||
| 36.10 | 43.20 | 13 | 32.3% | 0.36 | 0.0020 | -0.198 | 960 | 134.50 | 141.60 | 32.0% | -0.68 | 0.0022 | -0.204 | |||
| 29.80 | 38.10 | 2 | 32.0% | 0.32 | 0.0019 | -0.190 | 980 | 149.00 | 157.70 | 32.0% | -0.72 | 0.0022 | -0.195 | |||
| 25.90 | 32.90 | 7 | 32.0% | 0.29 | 0.0018 | -0.180 | 1,000 | 164.40 | 172.80 | 31.7% | -0.75 | 0.0021 | -0.184 | |||
| 21.20 | 29.00 | 2 | 31.9% | 0.26 | 0.0018 | -0.170 | 1,020 | 180.60 | 189.80 | 31.7% | -0.79 | 0.0021 | -0.173 | |||
| 17.00 | 25.30 | 31.6% | 0.23 | 0.0016 | -0.159 | 1,040 | 197.30 | 206.60 | 1 | 31.5% | -0.83 | 0.0020 | -0.160 | |||
| 13.60 | 22.20 | 31.4% | 0.20 | 0.0015 | -0.147 | 1,060 | 214.70 | 224.00 | 1 | 31.2% | -0.86 | 0.0019 | -0.150 | |||
| 11.00 | 19.40 | 31.4% | 0.18 | 0.0014 | -0.135 | 1,080 | 232.90 | 241.00 | 30.5% | -0.89 | 0.0018 | -0.140 | ||||
| 8.60 | 16.80 | 3 | 31.2% | 0.15 | 0.0013 | -0.123 | 1,100 | 251.50 | 260.10 | 30.5% | -0.92 | 0.0017 | -0.128 | |||
| 6.60 | 14.70 | 9 | 31.1% | 0.13 | 0.0012 | -0.112 | 1,120 | 270.80 | 279.70 | 31.1% | -0.95 | 0.0018 | -0.102 | |||
| 4.80 | 12.80 | 30.9% | 0.12 | 0.0011 | -0.101 | 1,140 | 290.30 | 299.30 | 31.4% | -0.97 | 0.0016 | -0.061 | ||||
| 3.40 | 11.30 | 2 | 30.9% | 0.10 | 0.0010 | -0.090 | 1,160 | 310.10 | 319.00 | -0.99 | 0.0006 | -0.148 | ||||
| 2.10 | 10.00 | 1 | 30.7% | 0.09 | 0.0009 | -0.080 | 1,180 | 330.00 | 339.00 | -1.00 | 0.0000 | -0.164 | ||||
| 4.40 | 7.10 | 3 | 31.6% | 0.07 | 0.0008 | -0.071 | 1,200 | 350.00 | 359.00 | -1.00 | 0.0000 | -0.164 | ||||
| 3.40 | 5.90 | 4 | 31.3% | 0.06 | 0.0007 | -0.063 | 1,220 | 370.00 | 379.00 | -1.00 | 0.0000 | -0.164 | ||||
| 0 | 7.60 | 31.2% | 0.05 | 0.0006 | -0.055 | 1,240 | 390.10 | 399.00 | -1.00 | 0.0000 | -0.164 | |||||
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 — Feb 19, 2027
Volatility page →Implied volatility per strike for this expiration. Out-of-the-money puts usually price higher IV than calls — the skew.