What is Constellation Energy (CEG) stock's all-time high (ATH) and all-time low (ATL)?

Constellation Energy (CEG) stock's all-time low (ATL) was $40.45 on Jan 25, 2022. The all-time high (ATH) was $402.95 on Oct 15, 2025.

What if you invested $1,000 in Constellation Energy (CEG) stock for maximum profit?

Buying Constellation Energy (CEG) stock at the best price ($40.45 on Jan 25, 2022) and selling at the peak ($402.95 on Oct 15, 2025) would have turned $1,000 into $9,961.68. Historical return: +896.17% (9.96 times).

What are Constellation Energy (CEG)'s best buy and sell dates for maximum profit?

The best buy date for Constellation Energy (CEG) stock was Jan 25, 2022 at $40.45. The best sell date was Oct 15, 2025 at $402.95. This investment would have returned +896.17% (9.96 times).

What was Constellation Energy (CEG) stock's maximum drawdown?

Constellation Energy (CEG) stock's worst decline was 50.70% (fell to 49% of peak) from peak to trough. Peak: $345.03 on Jan 24, 2025. Trough: $170.09 on Apr 4, 2025. A $1,000 investment at the peak would have been worth $492.97 at the trough.

What if you bought Constellation Energy (CEG) stock at IPO?

A $1,000 investment in Constellation Energy (CEG) stock at IPO ($40.55 on Jan 19, 2022) would be worth $7,324.29 today. Historical return: +632.43% (7.32 times). Current stock price: $297 as of Apr 29, 2026.

What If You Invested $1,000 in Constellation Energy (CEG)?

Enter any amount and start date. We use historical prices to show your hypothetical return.

Constellation Energy

CEG

Historical extremes

What if you bought at the best or worst time? Check max profit, max drawdown, and total return since IPO.

Max profit

+896.17%

(9.96 times)

Buy: Jan 25, 2022; $40.45
Sell: Oct 15, 2025; $402.95

Buying CEG at the best price and selling at the peak would have turned $1,000 into $9,961.68.

Max drawdown

50.70%

(fell to 49% of peak)

Peak: Jan 24, 2025; $345.03
Trough: Apr 4, 2025; $170.09

A $1,000 investment in CEG at the peak would have shrunk to $492.97 at the trough.

Return since IPO

+632.43%

(7.32 times)

IPO: Jan 19, 2022; $40.55
Current: Apr 29, 2026; $297

A $1,000 investment in CEG at IPO would be worth $7,324.29 today.

Frequently asked questions

What is Constellation Energy (CEG) stock's all-time high (ATH) and all-time low (ATL)?: Constellation Energy (CEG) stock's all-time low (ATL) was $40.45 on Jan 25, 2022. The all-time high (ATH) was $402.95 on Oct 15, 2025.
What if you invested $1,000 in Constellation Energy (CEG) stock for maximum profit?: Buying Constellation Energy (CEG) stock at the best price ($40.45 on Jan 25, 2022) and selling at the peak ($402.95 on Oct 15, 2025) would have turned $1,000 into $9,961.68. Historical return: +896.17% (9.96 times).
What are Constellation Energy (CEG)'s best buy and sell dates for maximum profit?: The best buy date for Constellation Energy (CEG) stock was Jan 25, 2022 at $40.45. The best sell date was Oct 15, 2025 at $402.95. This investment would have returned +896.17% (9.96 times).
What was Constellation Energy (CEG) stock's maximum drawdown?: Constellation Energy (CEG) stock's worst decline was 50.70% (fell to 49% of peak) from peak to trough. Peak: $345.03 on Jan 24, 2025. Trough: $170.09 on Apr 4, 2025. A $1,000 investment at the peak would have been worth $492.97 at the trough.
What if you bought Constellation Energy (CEG) stock at IPO?: A $1,000 investment in Constellation Energy (CEG) stock at IPO ($40.55 on Jan 19, 2022) would be worth $7,324.29 today. Historical return: +632.43% (7.32 times). Current stock price: $297 as of Apr 29, 2026.

Data & methodology

How does the investment calculator work?: Enter an investment amount and a start date. We use historical stock prices to calculate how many shares you would have bought, then apply the current price to show your hypothetical portfolio value and return.
What are Historical extremes?: Max profit: the best buy and sell dates that maximize percentage return. Max drawdown: the largest peak-to-trough decline in price. Return since IPO: total return from IPO date to the latest price.
What is Max drawdown?: Maximum drawdown is the largest peak-to-trough decline in price. It shows the worst drop from any prior high to a subsequent low. Peak and Trough are the dates and prices at which this decline occurred.
Does this include dividends?: The calculator uses adjusted closing prices when available, which account for stock splits and dividends. For the most accurate results, we recommend using data that includes dividend adjustments.
Where does the price data come from?: Historical prices are dividend-adjusted closing prices from our data provider. The calculator and Historical extremes use the same data source for consistent results.
How are the dollar amounts in the cards calculated?: The dollar amounts in Historical extremes use the investment amount you select in the calculator above (e.g. $1,000). They show what your investment would have been worth at the Buy/Peak/IPO date versus the Sell/Trough/Current date.
What date range can I use?: The available date range depends on our historical price data for CEG. You can select any date between our first and most recent data point.