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REGN · Regeneron Pharmaceuticals, Inc.

$655.90 +3.99 (+0.61%) At close · Jul 24
Market Cap
$68.78B
Shares
104.84M

Options Chain

15-min delayed Underlying $655.90 · today Options Calculator

Positioning

Jul 31, 2026 · 5 days to expiry · 170 contracts
Put / call OI
0.49
Call-heavy positioning
Open interest
1,341
contracts outstanding
Volume
921
traded today
Max pain
$600.00
$55.90 below spot
ATM implied vol
66.2%
market's expected move

Open interest by strike · near the money

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator
OI Vol IV Δ Last Strike Last Δ IV Vol OI
0 $0.10 -0.012 175.6% 2 40
0 -0.032 204.5% 0
0 -0.033 195.2% 0
0 0.1% 1 $0.21 2 1
0 0.1% 1 -0.036 177.1% 0
0 0.1% 1 -0.017 139.4% 0
0 -0.04 159.9% 0
0 0.1% 1 -0.041 150.8% 0
0 0.1% 1 -0.02 117.9% 0
0 0.1% 1 -0.022 111.1% 0
0 79.1% 0.995 $3.20 -0.023 104.4% 1 2
0 0.1% 1 $4.80 -0.025 97.8% 1 1
0 0.1% 1 $2.10 -0.026 91.3% 1 4
0 88% 0.965 $2.90 -0.028 84.4% 1 1
0 58.6% 0.993 $0.50 -0.034 79.3% 1 1
11 22 70% 0.968 $53.70 $5.03 -0.041 74.2% 2 14
0 70.4% 0.958 -0.048 73.4% 0
24 22 69.5% 0.95 $46.40 $6.60 -0.057 73.1% 3 11
0 65.4% 0.95 $2.55 -0.052 65.9% 1 2
11 22 67.8% 0.932 $39.40 $2.80 -0.068 68% 2 52
0 65.8% 0.923 $1.21 -0.087 68.8% 1 2
71 2 69.5% 0.895 $43.48 $3.37 -0.095 66% 1 2
0 69.5% 0.879 $4.00 -0.097 61.3% 1 1
189 1 68.7% 0.859 $56.73 $3.70 -0.124 64.2% 10 22
0 67.3% 0.84 -0.16 67.3% 0
24 1 69.1% 0.81 $62.00 $12.30 -0.175 64.2% 1 14
0 69.7% 0.785 $4.50 -0.203 65.4% 10 1
27 5 66.6% 0.764 $54.00 $6.70 -0.234 65.9% 499 24
0 67.7% 0.729 $6.50 -0.263 64.7% 10 0
19 1 68.5% 0.696 $48.00 $9.30 -0.292 63.2% 81 32
0 67% 0.668 $13.17 -0.328 64.4% 1 1
0 67.6% 0.65 $20.01 -0.345 64.3% 1 1
50 1 66.5% 0.634 $35.00 $8.50 -0.363 64.3% 2 45
0 66.8% 0.615 -0.383 65.6% 0
4 4 66.8% 0.598 $19.08 $17.18 -0.401 65% 1 1
0 66.3% 0.58 -0.42 65.5% 0
99 2 65.7% 0.562 $22.50 $14.30 -0.437 63.9% 4 30
3 1 66.3% 0.544 $34.26 -0.456 63.2% 0
1 2 67.2% 0.526 $26.95 $16.88 -0.474 65.1% 3 0
0 65.5% 0.508 $17.10 -0.493 63.1% 18 0
32 2 65.4% 0.49 $22.48 $20.06 -0.511 64.8% 1 3
5 9 64% 0.471 $32.10 -0.532 62.1% 0
3 1 64% 0.452 $22.17 -0.552 61.3% 0
4 3 63.9% 0.434 $20.25 -0.57 61.9% 0
62 59 63.6% 0.415 $16.20 $20.48 -0.591 61.1% 35 65
1 2 64% 0.397 $15.90 $24.35 -0.61 61.2% 1 61
1 13 63.9% 0.379 $17.06 -0.626 62.2% 0
3 4 63.4% 0.361 $24.28 $24.00 -0.645 61.2% 1 1
77 3 62.6% 0.343 $14.10 $32.40 -0.662 61.3% 1 2
1 1 63.6% 0.313 $25.06 -0.698 60.6% 0
17 1 60.4% 0.269 $8.10 -0.732 60.5% 0
4 4 63% 0.247 $15.30 -0.766 59.9% 0
12 15 61.5% 0.216 $6.40 $28.00 -0.795 59.1% 1 1
4 1 60.9% 0.188 $11.90 -0.821 59.1% 0
2 1 64.2% 0.178 $3.60 -0.845 59.6% 0
0 57.4% 0.126 -0.869 59.2% 0
12 1 71.6% 0.164 $3.46 -0.887 59% 0
1 1 57.2% 0.09 $3.22 -0.912 57.2% 0
2 1 72.7% 0.133 $4.46 -0.923 58.6% 0
0 2 68% 0.102 $4.55 -0.92 62.9% 0
2 4 66.4% 0.081 $3.70 -0.928 64.9% 0
0 66.8% 0.071 -0.96 57.3% 0
125 6 78.6% 0.099 $0.50 -0.97 57.1% 0
0 65.2% 0.049 -0.981 54.6% 0
0 65.5% 0.041 -0.962 65.4% 0
0 66.9% 0.037 -0.965 67.2% 0
0 69.4% 0.035 -0.966 69.7% 0
0 72.4% 0.036 -0.969 71.2% 0
0 74% 0.034 -0.97 73.3% 0
0 103.4% 0.096 -0.97 75.4% 0
0 78.1% 0.032 -0.971 77.5% 0
0 -0.972 79.5% 0
0 82.1% 0.031 -0.972 81.6% 0
0 -0.973 85.6% 0
0 -0.974 89.6% 0
0 -0.975 93.5% 0
0 -0.976 97.4% 0
0 -0.977 101.2% 0
0 -0.978 105% 0
0 -0.978 108.8% 0
0 -0.979 112.5% 0
0 -0.979 116.2% 0
0 -0.98 119.8% 0
0 -0.98 123.4% 0
0 -0.981 126.9% 0
About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. The 25 strikes around the money are shown by default — switch to "All 85" for the wings. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 872589 CUSIP 75886F107 13F (30d) 345 filings 341 filers Visit website Investor relations