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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).

Key numbers
  • Last close: $255.21 (October 22, 2026)
  • 52-week range: $228.63 to $406.04
  • Market value: $90.4 billion
  • 30-day implied volatility (IV30): 50.9%
  • Option volume: 13,081 contracts (4,549 calls, 8,532 puts); 30-day average 13,454

Data as of October 22, 2026.

CEG Stock Summary and Trading Ideas (Constellation Energy - Common When-Issued | NASDAQ:CEG)

Charts for Today's Stock Price and Implied Volatility in Constellation Energy - Common When-Issued

Stock Price & Volume | Full Chart

30-Day Implied Volatility | IV30 Full Chart

Trade Ideas for Best Option Strategies for CEG by Theoretical Edge and Win Rates

Sentiment

Trading Statistics

Key Ratios

Constellation Energy - Common When-Issued (CEG) Frequently Asked Questions

What does Constellation Energy - Common When-Issued do?

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.

What symbol and exchange does Constellation Energy - Common When-Issued shares trade?

Constellation Energy - Common When-Issued trades on the NASDAQ stock market under the symbol CEG.

What is Constellation Energy - Common When-Issued stock price doing today?

As of October 22, 2026, CEG stock price declined to $255.21 with 3,512,877 million shares trading.

What is Constellation Energy - Common When-Issued's Beta?

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.

How much is Constellation Energy - Common When-Issued worth?

CEG has a market cap of $90.42 billion. This is considered a Large Cap stock.

How much money does Constellation Energy - Common When-Issued make?

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.

What is the highest and lowest price Constellation Energy - Common When-Issued traded in the last 3 year period?

In the last 3 years, CEG traded as high as $412.70 and as low as $109.44.

What are the top ETFs holding Constellation Energy - Common When-Issued?

The top ETF exchange traded funds that CEG belongs to (by Net Assets): VTI, VOO, QQQ, VO, XLU.

Is Constellation Energy - Common When-Issued (CEG) a good investment?

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.

What are the support and resistance levels for Constellation Energy - Common When-Issued (CEG)?

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.

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