What If You Invested $1,000 in Cooper Companies (COO)?
Enter any amount and start date. We use historical prices to show your hypothetical return.
Historical extremes
What if you bought at the best or worst time? Check max profit, max drawdown, and total return since IPO.
Max profit
+107,267%
(1,073 times)
- Buy
- Jul 20, 1993
- $0.11
- Sell
- Sep 3, 2021
- $113.83
Buying COO at the best price and selling at the peak would have turned $1,000 into $1,073,665.35.
Max drawdown
98.68%
(fell to 1% of peak)
- Peak
- Apr 10, 1986
- $8.03
- Trough
- Jul 20, 1993
- $0.11
A $1,000 investment in COO at the peak would have shrunk to $13.2 at the trough.
Return since IPO
+1,047%
(11.4 times)
- IPO
- Jan 21, 1983
- $5.35
- Current
- Apr 29, 2026
- $61.34
A $1,000 investment in COO at IPO would be worth $11,465.42 today.
Frequently asked questions
What is Cooper Companies (COO) stock's all-time high (ATH) and all-time low (ATL)?
- Cooper Companies (COO) stock's all-time low (ATL) was $0.11 on Jul 20, 1993. The all-time high (ATH) was $113.83 on Sep 3, 2021.
What if you invested $1,000 in Cooper Companies (COO) stock for maximum profit?
- Buying Cooper Companies (COO) stock at the best price ($0.11 on Jul 20, 1993) and selling at the peak ($113.83 on Sep 3, 2021) would have turned $1,000 into $1,073,665.35. Historical return: +107,266.53% (1,073 times).
What are Cooper Companies (COO)'s best buy and sell dates for maximum profit?
- The best buy date for Cooper Companies (COO) stock was Jul 20, 1993 at $0.11. The best sell date was Sep 3, 2021 at $113.83. This investment would have returned +107,266.53% (1,073 times).
What was Cooper Companies (COO) stock's maximum drawdown?
- Cooper Companies (COO) stock's worst decline was 98.68% (fell to 1% of peak) from peak to trough. Peak: $8.03 on Apr 10, 1986. Trough: $0.11 on Jul 20, 1993. A $1,000 investment at the peak would have been worth $13.2 at the trough.
What if you bought Cooper Companies (COO) stock at IPO?
- A $1,000 investment in Cooper Companies (COO) stock at IPO ($5.35 on Jan 21, 1983) would be worth $11,465.42 today. Historical return: +1,046.54% (11.4 times). Current stock price: $61.34 as of Apr 29, 2026.
What if you invested $1,000 in Cooper Companies (COO) 5 years ago?
- A $1,000 investment in Cooper Companies (COO) stock 5 years ago ($101.73 on Apr 29, 2021) would be worth $602.97 today. Historical return: 39.70% (0.60 times). Current stock price: $61.34 as of Apr 29, 2026.
What if you invested $1,000 in Cooper Companies (COO) 10 years ago?
- A $1,000 investment in Cooper Companies (COO) stock 10 years ago ($38.03 on Apr 29, 2016) would be worth $1,612.94 today. Historical return: +61.29% (1.61 times). Current stock price: $61.34 as of Apr 29, 2026.
What if you invested $1,000 in Cooper Companies (COO) 20 years ago?
- A $1,000 investment in Cooper Companies (COO) stock 20 years ago ($13.04 on Apr 28, 2006) would be worth $4,703.99 today. Historical return: +370.40% (4.70 times). Current stock price: $61.34 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 COO. You can select any date between our first and most recent data point.
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