What If You Invested $1,000 in NRG Energy (NRG)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
NRG
Historical extremes
What if you bought at the best or worst time? Check max profit, max drawdown, and total return since IPO.
Max profit
+2,575%
(26.7 times)
- Buy
- Feb 24, 2004
- $6.88
- Sell
- Feb 24, 2026
- $184.03
Buying NRG at the best price and selling at the peak would have turned $1,000 into $26,748.55.
Max drawdown
79.38%
(fell to 21% of peak)
- Peak
- Oct 18, 2007
- $34.97
- Trough
- Jan 25, 2016
- $7.21
A $1,000 investment in NRG at the peak would have shrunk to $206.18 at the trough.
Return since IPO
+1,975%
(20.7 times)
- IPO
- Dec 2, 2003
- $7.18
- Current
- Apr 29, 2026
- $149.01
A $1,000 investment in NRG at IPO would be worth $20,753.48 today.
Frequently asked questions
What is NRG Energy (NRG) stock's all-time high (ATH) and all-time low (ATL)?
- NRG Energy (NRG) stock's all-time low (ATL) was $6.88 on Feb 24, 2004. The all-time high (ATH) was $184.03 on Feb 24, 2026.
What if you invested $1,000 in NRG Energy (NRG) stock for maximum profit?
- Buying NRG Energy (NRG) stock at the best price ($6.88 on Feb 24, 2004) and selling at the peak ($184.03 on Feb 24, 2026) would have turned $1,000 into $26,748.55. Historical return: +2,574.85% (26.7 times).
What are NRG Energy (NRG)'s best buy and sell dates for maximum profit?
- The best buy date for NRG Energy (NRG) stock was Feb 24, 2004 at $6.88. The best sell date was Feb 24, 2026 at $184.03. This investment would have returned +2,574.85% (26.7 times).
What was NRG Energy (NRG) stock's maximum drawdown?
- NRG Energy (NRG) stock's worst decline was 79.38% (fell to 21% of peak) from peak to trough. Peak: $34.97 on Oct 18, 2007. Trough: $7.21 on Jan 25, 2016. A $1,000 investment at the peak would have been worth $206.18 at the trough.
What if you bought NRG Energy (NRG) stock at IPO?
- A $1,000 investment in NRG Energy (NRG) stock at IPO ($7.18 on Dec 2, 2003) would be worth $20,753.48 today. Historical return: +1,975.35% (20.7 times). Current stock price: $149.01 as of Apr 29, 2026.
What if you invested $1,000 in NRG Energy (NRG) 5 years ago?
- A $1,000 investment in NRG Energy (NRG) stock 5 years ago ($31.53 on Apr 29, 2021) would be worth $4,725.98 today. Historical return: +372.60% (4.72 times). Current stock price: $149.01 as of Apr 29, 2026.
What if you invested $1,000 in NRG Energy (NRG) 10 years ago?
- A $1,000 investment in NRG Energy (NRG) stock 10 years ago ($12.33 on Apr 29, 2016) would be worth $12,085.16 today. Historical return: +1,108.52% (12.0 times). Current stock price: $149.01 as of Apr 29, 2026.
What if you invested $1,000 in NRG Energy (NRG) 20 years ago?
- A $1,000 investment in NRG Energy (NRG) stock 20 years ago ($17.75 on Apr 28, 2006) would be worth $8,394.93 today. Historical return: +739.49% (8.39 times). Current stock price: $149.01 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 NRG. You can select any date between our first and most recent data point.
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