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 ±16.0% (657.04–907.04) · ATM IV 34.5% · P/C open interest 0.70
| 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 | |
| 384.00 | 392.70 | 54.7% | 1.00 | 0.0001 | 0.000 | 400 | 0 | 4.90 | 2 | 63.4% | -0.00 | 0.0001 | -0.012 | |||
| 374.00 | 382.90 | 53.3% | 0.99 | 0.0001 | 0.000 | 410 | 0 | 4.90 | 4 | 61.4% | -0.01 | 0.0001 | -0.014 | |||
| 364.30 | 373.20 | 52.6% | 0.99 | 0.0001 | 0.000 | 420 | 0 | 4.90 | 1 | 59.4% | -0.01 | 0.0001 | -0.016 | |||
| 354.40 | 363.30 | 50.4% | 0.99 | 0.0001 | 0.000 | 430 | 0 | 4.90 | 1 | 57.4% | -0.01 | 0.0001 | -0.018 | |||
| 344.70 | 353.60 | 49.6% | 0.99 | 0.0001 | 0.000 | 440 | 0 | 4.90 | 55.5% | -0.01 | 0.0001 | -0.020 | ||||
| 335.00 | 343.90 | 48.8% | 0.99 | 0.0001 | 0.000 | 450 | 0 | 4.90 | 1 | 53.7% | -0.01 | 0.0001 | -0.023 | |||
| 325.20 | 334.10 | 47.3% | 0.99 | 0.0002 | 0.000 | 460 | 0 | 4.90 | 1 | 51.8% | -0.01 | 0.0002 | -0.026 | |||
| 315.50 | 324.40 | 46.4% | 0.99 | 0.0002 | 0.000 | 470 | 0 | 4.90 | 1 | 50.1% | -0.01 | 0.0002 | -0.029 | |||
| 305.80 | 314.70 | 45.4% | 0.98 | 0.0002 | 0.000 | 480 | 0 | 4.90 | 3 | 48.3% | -0.02 | 0.0002 | -0.033 | |||
| 296.10 | 305.00 | 44.4% | 0.98 | 0.0002 | 0.000 | 490 | 0 | 4.90 | 1 | 46.5% | -0.02 | 0.0002 | -0.037 | |||
| 286.50 | 295.40 | 43.7% | 0.98 | 0.0003 | -0.004 | 500 | 0 | 4.90 | 6 | 44.9% | -0.02 | 0.0003 | -0.041 | |||
| 272.10 | 281.00 | 42.5% | 0.97 | 0.0003 | -0.014 | 515 | 0 | 4.90 | 4 | 42.4% | -0.03 | 0.0004 | -0.049 | |||
| 267.30 | 276.20 | 42.1% | 0.97 | 0.0004 | -0.017 | 520 | 0.0500 | 8.20 | 46.1% | -0.03 | 0.0004 | -0.051 | ||||
| 262.00 | 271.20 | 40.5% | 0.97 | 0.0004 | -0.020 | 525 | 0.0500 | 8.00 | 4 | 45.0% | -0.03 | 0.0004 | -0.054 | |||
| 257.80 | 266.70 | 41.5% | 0.97 | 0.0004 | -0.024 | 530 | 0.0500 | 8.10 | 44.2% | -0.04 | 0.0004 | -0.057 | ||||
| 252.10 | 261.70 | 39.4% | 0.96 | 0.0004 | -0.027 | 535 | 0.0500 | 8.50 | 4 | 43.8% | -0.04 | 0.0004 | -0.060 | |||
| 248.00 | 257.00 | 40.1% | 0.96 | 0.0005 | -0.031 | 540 | 0.0500 | 8.60 | 43.1% | -0.04 | 0.0005 | -0.063 | ||||
| 243.00 | 252.30 | 39.5% | 0.96 | 0.0005 | -0.035 | 545 | 0.0500 | 8.70 | 42.3% | -0.04 | 0.0005 | -0.066 | ||||
| 238.00 | 247.60 | 38.8% | 0.95 | 0.0005 | -0.039 | 550 | 0.0500 | 8.50 | 1 | 41.3% | -0.05 | 0.0005 | -0.070 | |||
| 234.30 | 243.20 | 39.9% | 0.95 | 0.0006 | -0.043 | 555 | 0.0500 | 9.00 | 1 | 41.0% | -0.05 | 0.0006 | -0.073 | |||
| 229.00 | 238.30 | 38.9% | 0.95 | 0.0006 | -0.047 | 560 | 0.0500 | 9.10 | 40.2% | -0.05 | 0.0006 | -0.076 | ||||
| 225.00 | 233.90 | 39.5% | 0.95 | 0.0006 | -0.051 | 565 | 0.0500 | 8.90 | 39.2% | -0.06 | 0.0006 | -0.080 | ||||
| 220.30 | 229.20 | 39.1% | 0.94 | 0.0007 | -0.055 | 570 | 0.0500 | 9.40 | 2 | 38.8% | -0.06 | 0.0007 | -0.084 | |||
| 215.70 | 224.60 | 38.9% | 0.94 | 0.0007 | -0.060 | 575 | 0.0500 | 9.50 | 2 | 38.1% | -0.06 | 0.0007 | -0.088 | |||
| 211.20 | 220.00 | 1 | 38.7% | 0.93 | 0.0007 | -0.064 | 580 | 0.0500 | 9.70 | 24 | 37.5% | -0.07 | 0.0008 | -0.092 | ||
| 206.20 | 215.30 | 38.0% | 0.93 | 0.0008 | -0.069 | 585 | 0.4500 | 10.00 | 1 | 37.2% | -0.07 | 0.0008 | -0.096 | |||
| 202.00 | 210.80 | 38.1% | 0.93 | 0.0008 | -0.073 | 590 | 1.00 | 10.00 | 41 | 36.9% | -0.08 | 0.0008 | -0.100 | |||
| 197.60 | 206.50 | 38.1% | 0.92 | 0.0009 | -0.078 | 595 | 2.80 | 10.20 | 1 | 37.6% | -0.08 | 0.0009 | -0.104 | |||
| 193.20 | 201.90 | 37.7% | 0.92 | 0.0009 | -0.083 | 600 | 3.20 | 10.80 | 48 | 37.5% | -0.09 | 0.0009 | -0.109 | |||
| 188.80 | 197.70 | 37.9% | 0.91 | 0.0009 | -0.088 | 605 | 3.90 | 11.20 | 3 | 37.4% | -0.09 | 0.0010 | -0.113 | |||
| 184.40 | 193.30 | 37.7% | 0.90 | 0.0010 | -0.093 | 610 | 3.00 | 12.30 | 13 | 36.7% | -0.10 | 0.0010 | -0.118 | |||
| 180.00 | 188.70 | 37.3% | 0.90 | 0.0010 | -0.098 | 615 | 3.40 | 12.90 | 2 | 36.4% | -0.10 | 0.0011 | -0.122 | |||
| 176.00 | 184.50 | 37.5% | 0.89 | 0.0011 | -0.104 | 620 | 4.00 | 13.30 | 5 | 36.2% | -0.11 | 0.0011 | -0.127 | |||
| 171.20 | 180.70 | 37.2% | 0.89 | 0.0011 | -0.109 | 625 | 5.00 | 14.20 | 2 | 36.4% | -0.12 | 0.0012 | -0.132 | |||
| 167.00 | 176.30 | 37.3% | 0.88 | 0.0012 | -0.114 | 630 | 5.40 | 14.90 | 27 | 36.2% | -0.12 | 0.0012 | -0.137 | |||
| 163.00 | 172.10 | 37.4% | 0.87 | 0.0012 | -0.119 | 635 | 6.10 | 15.50 | 4 | 36.0% | -0.13 | 0.0013 | -0.141 | |||
| 159.00 | 167.70 | 36.9% | 0.87 | 0.0013 | -0.125 | 640 | 7.00 | 16.20 | 35.9% | -0.14 | 0.0013 | -0.146 | ||||
| 155.00 | 163.60 | 36.8% | 0.86 | 0.0013 | -0.130 | 645 | 8.00 | 17.20 | 3 | 36.0% | -0.14 | 0.0014 | -0.151 | |||
| 151.00 | 159.90 | 36.9% | 0.85 | 0.0014 | -0.136 | 650 | 9.00 | 17.90 | 6 | 35.9% | -0.15 | 0.0014 | -0.156 | |||
| 147.00 | 156.30 | 1 | 37.0% | 0.84 | 0.0014 | -0.141 | 655 | 10.00 | 19.00 | 2 | 35.9% | -0.16 | 0.0015 | -0.161 | ||
| 143.00 | 151.80 | 3 | 36.6% | 0.84 | 0.0015 | -0.146 | 660 | 11.00 | 19.90 | 1 | 35.8% | -0.17 | 0.0015 | -0.166 | ||
| 139.00 | 147.60 | 36.4% | 0.83 | 0.0016 | -0.151 | 665 | 12.50 | 18.90 | 1 | 35.1% | -0.18 | 0.0016 | -0.171 | |||
| 135.10 | 143.70 | 36.2% | 0.82 | 0.0016 | -0.157 | 670 | 13.00 | 22.00 | 11 | 35.6% | -0.18 | 0.0016 | -0.175 | |||
| 131.00 | 140.70 | 36.4% | 0.81 | 0.0017 | -0.162 | 675 | 14.00 | 23.30 | 1 | 35.6% | -0.19 | 0.0017 | -0.180 | |||
| 128.00 | 136.50 | 36.4% | 0.80 | 0.0017 | -0.167 | 680 | 15.00 | 24.30 | 35.4% | -0.20 | 0.0018 | -0.185 | ||||
| 124.00 | 132.40 | 36.0% | 0.79 | 0.0018 | -0.172 | 685 | 17.00 | 25.50 | 1 | 35.6% | -0.21 | 0.0018 | -0.190 | |||
| 120.00 | 128.70 | 35.8% | 0.78 | 0.0018 | -0.177 | 690 | 18.00 | 26.70 | 35.4% | -0.22 | 0.0019 | -0.194 | ||||
| 117.00 | 125.60 | 35.8% | 0.77 | 0.0019 | -0.182 | 695 | 19.00 | 28.20 | 1 | 35.2% | -0.23 | 0.0019 | -0.199 | |||
| 113.00 | 121.40 | 21 | 35.6% | 0.76 | 0.0019 | -0.187 | 700 | 21.00 | 29.40 | 8 | 35.3% | -0.24 | 0.0020 | -0.203 | ||
| 110.00 | 118.40 | 35.9% | 0.75 | 0.0020 | -0.192 | 705 | 22.00 | 31.00 | 35.1% | -0.25 | 0.0020 | -0.207 | ||||
| 106.00 | 114.50 | 1 | 35.5% | 0.74 | 0.0020 | -0.196 | 710 | 23.10 | 32.20 | 34.8% | -0.26 | 0.0021 | -0.211 | |||
| 103.00 | 111.50 | 35.6% | 0.73 | 0.0021 | -0.200 | 715 | 25.00 | 34.10 | 3 | 35.0% | -0.28 | 0.0021 | -0.216 | |||
| 100.00 | 108.30 | 2 | 35.7% | 0.72 | 0.0021 | -0.205 | 720 | 27.00 | 35.80 | 13 | 35.0% | -0.29 | 0.0022 | -0.219 | ||
| 87.00 | 95.20 | 9 | 35.1% | 0.67 | 0.0023 | -0.219 | 740 | 34.00 | 42.50 | 17 | 34.6% | -0.33 | 0.0024 | -0.233 | ||
| 75.00 | 83.70 | 2 | 20 | 34.8% | 0.62 | 0.0024 | -0.231 | 760 | 42.10 | 50.80 | 8 | 34.3% | -0.38 | 0.0025 | -0.244 | |
| 65.00 | 73.40 | 77 | 34.9% | 0.57 | 0.0025 | -0.239 | 780 | 51.60 | 60.00 | 16 | 34.2% | -0.44 | 0.0026 | -0.251 | ||
| 55.00 | 64.00 | 100 | 50 | 34.6% | 0.52 | 0.0026 | -0.242 | 800 | 62.20 | 70.00 | 1 | 33.9% | -0.49 | 0.0027 | -0.254 | |
| 46.50 | 55.00 | 43 | 4 | 34.3% | 0.47 | 0.0026 | -0.242 | 820 | 73.80 | 81.90 | 2 | 33.9% | -0.54 | 0.0027 | -0.253 | |
| 39.00 | 48.00 | 17 | 34.4% | 0.42 | 0.0026 | -0.239 | 840 | 86.30 | 94.70 | 33.9% | -0.59 | 0.0027 | -0.248 | |||
| 32.20 | 41.00 | 18 | 34.2% | 0.38 | 0.0025 | -0.232 | 860 | 99.10 | 108.00 | 33.5% | -0.64 | 0.0027 | -0.240 | |||
| 26.00 | 35.40 | 14 | 34.0% | 0.33 | 0.0024 | -0.222 | 880 | 113.70 | 122.00 | 33.4% | -0.69 | 0.0026 | -0.229 | |||
| 21.00 | 30.40 | 58 | 33.9% | 0.29 | 0.0022 | -0.210 | 900 | 129.00 | 137.90 | 33.5% | -0.73 | 0.0024 | -0.215 | |||
| 17.20 | 25.70 | 9 | 33.9% | 0.26 | 0.0021 | -0.197 | 920 | 145.50 | 153.70 | 33.5% | -0.78 | 0.0023 | -0.201 | |||
| 14.00 | 22.20 | 2 | 3 | 34.0% | 0.22 | 0.0019 | -0.183 | 940 | 162.10 | 170.50 | 33.4% | -0.81 | 0.0022 | -0.186 | ||
| 11.10 | 18.90 | 16 | 34.0% | 0.19 | 0.0018 | -0.168 | 960 | 180.00 | 187.90 | 33.6% | -0.85 | 0.0020 | -0.172 | |||
| 10.00 | 15.70 | 1 | 34 | 34.4% | 0.17 | 0.0016 | -0.154 | 980 | 198.00 | 205.90 | 33.7% | -0.88 | 0.0019 | -0.158 | ||
| 6.50 | 14.20 | 6 | 34.2% | 0.14 | 0.0015 | -0.139 | 1,000 | 216.50 | 224.20 | 33.7% | -0.91 | 0.0018 | -0.142 | |||
| 4.00 | 12.60 | 3 | 34.0% | 0.12 | 0.0013 | -0.126 | 1,020 | 235.20 | 244.10 | 34.5% | -0.93 | 0.0017 | -0.137 | |||
| 3.00 | 11.10 | 2 | 34.4% | 0.11 | 0.0012 | -0.113 | 1,040 | 254.60 | 263.30 | 34.9% | -0.96 | 0.0016 | -0.135 | |||
| 1.00 | 10.00 | 5 | 33.9% | 0.09 | 0.0010 | -0.101 | 1,060 | 274.00 | 282.90 | 35.2% | -0.97 | 0.0014 | -0.117 | |||
| 0.0500 | 9.60 | 27 | 34.5% | 0.08 | 0.0009 | -0.090 | 1,080 | 293.80 | 302.70 | 35.9% | -0.99 | 0.0008 | -0.103 | |||
| 0.0500 | 9.30 | 3 | 35.8% | 0.07 | 0.0008 | -0.080 | 1,100 | 313.70 | 322.60 | 36.8% | -1.00 | 0.0003 | -0.103 | |||
| 0.0500 | 9.00 | 9 | 37.0% | 0.06 | 0.0007 | -0.071 | 1,120 | 333.70 | 342.60 | 38.4% | -1.00 | 0.0000 | -0.103 | |||
| 0.0500 | 8.40 | 1 | 38.0% | 0.05 | 0.0006 | -0.063 | 1,140 | 353.70 | 362.60 | 39.9% | -1.00 | 0.0000 | -0.103 | |||
| 0.0500 | 8.50 | 2 | 39.4% | 0.04 | 0.0006 | -0.056 | 1,160 | 373.70 | 382.60 | 41.4% | -1.00 | 0.0000 | -0.103 | |||
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.