Constellation Energy CEG
$249.95 +$10.30 (+4.30%)
Market closed · Nov 6, 8:10 pm ET · Last extended-hours $250.20 +0.10%
Open$246.05
Prev close$239.65
Day range$243.38 – $252.72
Volume5.57M
Market cap$88.56B
P/E (TTM)24.4
Dividend yield0.65%
Average implied volatility across the listed chain right now: 84%. Implied volatility measures how big a price swing the options market is pricing in — there is no fixed “normal” level, it varies a lot by stock.
Open interest by strike
Nearest listed expiry only. Calls above the line, puts below — clusters mark strikes where the market has built up the most open positions.
Implied volatility by strike
The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.
Calls
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $250.00 | $10.50 | $8.10/$10.50 | 112 | 40 | 79% |
| 13 Nov 2026 | $247.50 | $10.96 | $9.50/$11.50 | 17 | 6 | 79% |
| 13 Nov 2026 | $252.50 | $8.60 | $8.10/$9.50 | 35 | 5 | 85% |
| 13 Nov 2026 | $245.00 | $13.90 | $10.70/$14.60 | 31 | 24 | 85% |
| 13 Nov 2026 | $255.00 | $7.53 | $5.60/$8.90 | 98 | 35 | 80% |
| 13 Nov 2026 | $242.50 | $15.57 | $13.10/$15.60 | 3 | 28 | 88% |
| 13 Nov 2026 | $257.50 | $6.80 | $4.50/$8.10 | 15 | 33 | 80% |
| 13 Nov 2026 | $240.00 | $16.96 | $13.90/$17.20 | 8 | 29 | 84% |
| 13 Nov 2026 | $260.00 | $5.55 | $5.10/$6.00 | 379 | 208 | 81% |
| 13 Nov 2026 | $237.50 | $16.12 | $16.30/$18.90 | 14 | 27 | 88% |
| 13 Nov 2026 | $262.50 | $5.20 | $3.20/$6.80 | 103 | 8 | 83% |
| 13 Nov 2026 | $235.00 | $19.60 | $17.60/$20.30 | 3 | 1 | 84% |
| 13 Nov 2026 | $265.00 | $4.37 | $3.60/$5.00 | 72 | 152 | 83% |
| 13 Nov 2026 | $232.50 | $15.22 | $19.00/$23.10 | 0 | 1 | 87% |
| 13 Nov 2026 | $267.50 | $3.53 | $1.75/$5.70 | 19 | 80 | 84% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $250.00 | $8.63 | $9.00/$10.10 | 79 | 172 | 82% |
| 13 Nov 2026 | $247.50 | $7.74 | $7.00/$8.90 | 49 | 49 | 79% |
| 13 Nov 2026 | $252.50 | $10.30 | $8.90/$12.70 | 52 | 33 | 81% |
| 13 Nov 2026 | $245.00 | $6.76 | $5.90/$9.30 | 71 | 48 | 86% |
| 13 Nov 2026 | $255.00 | $11.70 | $10.50/$14.40 | 5 | 113 | 83% |
| 13 Nov 2026 | $242.50 | $6.60 | $6.00/$8.20 | 26 | 41 | 91% |
| 13 Nov 2026 | $257.50 | $13.00 | $12.10/$15.70 | 5 | 9 | 82% |
| 13 Nov 2026 | $240.00 | $6.00 | $5.20/$5.90 | 105 | 159 | 85% |
| 13 Nov 2026 | $260.00 | $16.00 | $14.10/$17.10 | 7 | 107 | 83% |
| 13 Nov 2026 | $237.50 | $4.38 | $3.30/$6.00 | 8 | 7 | 85% |
| 13 Nov 2026 | $262.50 | $15.83 | $15.00/$19.20 | 1 | 14 | 80% |
| 13 Nov 2026 | $235.00 | $3.80 | $2.05/$6.10 | 197 | 145 | 87% |
| 13 Nov 2026 | $265.00 | $17.63 | $17.50/$20.70 | 8 | 92 | 82% |
| 13 Nov 2026 | $232.50 | $3.52 | $2.80/$4.80 | 85 | 15 | 91% |
| 13 Nov 2026 | $267.50 | $29.70 | $18.50/$22.80 | 0 | 7 | 79% |
Open interest = contracts currently outstanding (not yet closed out). Higher open interest generally means a strike/expiry is more actively traded and easier to get in and out of.
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