Constellation Energy - Common When-Issued (CEG) closed at $255.21 on October 22, 2026, down 5.7% from the previous close, on volume of 3,512,877 shares (30-day average 3,723,570).
Data as of October 22, 2026.
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Constellation Energy spun off from Exelon in 2022 and is now the largest US independent power producer. After acquiring Calpine in 2026, Constellation owns 55 gigawatts of power generation capacity. Constellation is the largest nuclear plant owner in the US with 22 GW of nuclear power generation capacity in six states. It also owns 4 GW of renewable energy projects. Constellation's retail energy business serves 2.5 million customers.
Constellation Energy - Common When-Issued trades on the NASDAQ stock market under the symbol CEG.
As of October 22, 2026, CEG stock price declined to $255.21 with 3,512,877 million shares trading.
CEG has a beta of 0.89, meaning it tends to be less sensitive to market movements. CEG has a correlation of 0.05 to the broad based SPY ETF.
CEG has a market cap of $90.42 billion. This is considered a Large Cap stock.
Last quarter Constellation Energy - Common When-Issued reported $8 billion in Revenue and $2.55 earnings per share. This fell short of revenue expectation by $-445 million and exceeded earnings estimates by $.18.
In the last 3 years, CEG traded as high as $412.70 and as low as $109.44.
The top ETF exchange traded funds that CEG belongs to (by Net Assets): VTI, VOO, QQQ, VO, XLU.
CEG has underperformed the market in the last year with a price return of -28.4% while the SPY ETF gained +14.9%. CEG has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -2.5% and -14.8%, respectively, while the SPY returned +2.3% and -1.7%, respectively.
CEG support price is $261.39 and resistance is $280.09 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that CEG shares will trade within this expected range on the day.