What If You Invested $1,000 in Alliant Energy (LNT)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
Alliant Energy
LNT
Historical extremes
Maximum profit (buy at all-time low, sell at peak), maximum drawdown (peak to trough), and total return from IPO to current price.
Max profit
+14779.47% (148.8 times)
- Buy
- Sep 12, 1974
- $0.49
- Sell
- Mar 16, 2026
- $73.03
Buying LNT at the all-time low and selling at the peak would have turned $1,000 into $148,794.7.
Max drawdown
-51.66% (fell to 48% of peak)
- Peak
- Apr 25, 2007
- $11.63
- Trough
- Mar 9, 2009
- $5.62
The worst decline for LNT was -51.66% (fell to 48% of peak) from peak to trough.
IPO to current
+9881.25% (99.8 times)
- IPO
- Feb 21, 1973
- $0.73
- Current
- Mar 16, 2026
- $73.03
A $1,000 investment in LNT at IPO would be worth $99,812.55 today.
Dollar amounts based on selected investment ($1,000)
Frequently asked questions
What is Alliant Energy (LNT) stock's all-time high and all-time low?
- Alliant Energy (LNT) stock's all-time low was $0.49 on Sep 12, 1974. The all-time high was $73.03 on Mar 16, 2026.
What if you invested $1,000 in Alliant Energy (LNT) stock at the all-time low?
- Buying Alliant Energy (LNT) stock at the all-time low ($0.49 on Sep 12, 1974) and selling at the peak ($73.03 on Mar 16, 2026) would have turned $1,000 into $148,794.7. Historical return: +14779.47% (148.8 times).
What are Alliant Energy (LNT)'s best buy and sell dates for maximum profit?
- The best buy date for Alliant Energy (LNT) stock was Sep 12, 1974 (all-time low at $0.49). The best sell date was Mar 16, 2026 at $73.03. This investment would have returned +14779.47% (148.8 times).
What was Alliant Energy (LNT) stock's maximum drawdown?
- Alliant Energy (LNT) stock's worst decline was -51.66% (fell to 48% of peak) from peak to trough. Peak: $11.63 on Apr 25, 2007. Trough: $5.62 on Mar 9, 2009. A $1,000 investment at the peak would have been worth $483.41 at the trough.
What if you bought Alliant Energy (LNT) stock at IPO?
- A $1,000 investment in Alliant Energy (LNT) stock at IPO ($0.73 on Feb 21, 1973) would be worth $99,812.55 today. Historical return: +9881.25% (99.8 times). Current stock price: $73.03 as of Mar 16, 2026.
What if you invested $1,000 in Alliant Energy (LNT) 5 years ago?
- A $1,000 investment in Alliant Energy (LNT) stock 5 years ago ($45.17 on Mar 16, 2021) would be worth $1,616.63 today. Historical return: +61.66% (1.62 times). Current stock price: $73.03 as of Mar 16, 2026.
What if you invested $1,000 in Alliant Energy (LNT) 10 years ago?
- A $1,000 investment in Alliant Energy (LNT) stock 10 years ago ($26.5 on Mar 16, 2016) would be worth $2,756.05 today. Historical return: +175.60% (2.76 times). Current stock price: $73.03 as of Mar 16, 2026.
What if you invested $1,000 in Alliant Energy (LNT) 20 years ago?
- A $1,000 investment in Alliant Energy (LNT) stock 20 years ago ($8.21 on Mar 16, 2006) would be worth $8,896.29 today. Historical return: +789.63% (8.90 times). Current stock price: $73.03 as of Mar 16, 2026.
About this data
- 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: buy at all-time low, sell at the highest price after. Max drawdown: the largest peak-to-trough decline in price. IPO to current: 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 from Yahoo Finance, adjusted for stock splits and dividends. We use adjusted close for all calculations.
- 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 LNT. You can select any date between our first and most recent data point.