What If You Invested $1,000 in IDEX (IEX)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
IEX
Historical extremes
What if you bought at the best or worst time? Check max profit, max drawdown, and total return since IPO.
Max profit
+20,152%
(202.5 times)
- Buy
- Jan 9, 1991
- $1.18
- Sell
- Mar 21, 2024
- $238.97
Buying IEX at the best price and selling at the peak would have turned $1,000 into $202,516.95.
Max drawdown
58.65%
(fell to 41% of peak)
- Peak
- Aug 9, 2007
- $31.63
- Trough
- Mar 9, 2009
- $13.08
A $1,000 investment in IEX at the peak would have shrunk to $413.53 at the trough.
Return since IPO
+12,042%
(121.4 times)
- IPO
- Jun 2, 1989
- $1.79
- Current
- Apr 29, 2026
- $217.34
A $1,000 investment in IEX at IPO would be worth $121,418.99 today.
Frequently asked questions
What is IDEX (IEX) stock's all-time high (ATH) and all-time low (ATL)?
- IDEX (IEX) stock's all-time low (ATL) was $1.18 on Jan 9, 1991. The all-time high (ATH) was $238.97 on Mar 21, 2024.
What if you invested $1,000 in IDEX (IEX) stock for maximum profit?
- Buying IDEX (IEX) stock at the best price ($1.18 on Jan 9, 1991) and selling at the peak ($238.97 on Mar 21, 2024) would have turned $1,000 into $202,516.95. Historical return: +20,151.69% (202.5 times).
What are IDEX (IEX)'s best buy and sell dates for maximum profit?
- The best buy date for IDEX (IEX) stock was Jan 9, 1991 at $1.18. The best sell date was Mar 21, 2024 at $238.97. This investment would have returned +20,151.69% (202.5 times).
What was IDEX (IEX) stock's maximum drawdown?
- IDEX (IEX) stock's worst decline was 58.65% (fell to 41% of peak) from peak to trough. Peak: $31.63 on Aug 9, 2007. Trough: $13.08 on Mar 9, 2009. A $1,000 investment at the peak would have been worth $413.53 at the trough.
What if you bought IDEX (IEX) stock at IPO?
- A $1,000 investment in IDEX (IEX) stock at IPO ($1.79 on Jun 2, 1989) would be worth $121,418.99 today. Historical return: +12,041.90% (121.4 times). Current stock price: $217.34 as of Apr 29, 2026.
What if you invested $1,000 in IDEX (IEX) 5 years ago?
- A $1,000 investment in IDEX (IEX) stock 5 years ago ($214.33 on Apr 29, 2021) would be worth $1,014.04 today. Historical return: +1.40% (1.01 times). Current stock price: $217.34 as of Apr 29, 2026.
What if you invested $1,000 in IDEX (IEX) 10 years ago?
- A $1,000 investment in IDEX (IEX) stock 10 years ago ($72.42 on Apr 29, 2016) would be worth $3,001.1 today. Historical return: +200.11% (3.00 times). Current stock price: $217.34 as of Apr 29, 2026.
What if you invested $1,000 in IDEX (IEX) 20 years ago?
- A $1,000 investment in IDEX (IEX) stock 20 years ago ($25.41 on Apr 28, 2006) would be worth $8,553.33 today. Historical return: +755.33% (8.55 times). Current stock price: $217.34 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 IEX. You can select any date between our first and most recent data point.
Explore more
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IEX Stock Split History
4 splits on record. Dates, ratios, and cumulative multiple.
IEX Dividend Profile
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IEX Dividend Calculator
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IEX Dividend Forecast
Project future income with DRIP, growth assumptions, and optional monthly contributions.
IEX Financials
Revenue, EPS, EBITDA, market cap, debt and balance sheet history with annual and quarterly data.