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.
Cooper Companies
COO
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
+99591.65% (996.9 times)
- Buy
- Jul 20, 1993
- $0.11
- Sell
- Sep 3, 2021
- $113.94
Buying COO at the all-time low and selling at the peak would have turned $1,000 into $996,916.52.
Max drawdown
-98.87% (fell to 1% of peak)
- Peak
- Jun 28, 1983
- $10.13
- Trough
- Jul 20, 1993
- $0.11
The worst decline for COO was -98.87% (fell to 1% of peak) from peak to trough.
IPO to current
+893.11% (9.93 times)
- IPO
- Jan 21, 1983
- $7.15
- Current
- Mar 16, 2026
- $71.04
A $1,000 investment in COO at IPO would be worth $9,931.1 today.
Dollar amounts based on selected investment ($1,000)
Frequently asked questions
What is Cooper Companies (COO) stock's all-time high and all-time low?
- Cooper Companies (COO) stock's all-time low was $0.11 on Jul 20, 1993. The all-time high was $113.94 on Sep 3, 2021.
What if you invested $1,000 in Cooper Companies (COO) stock at the all-time low?
- Buying Cooper Companies (COO) stock at the all-time low ($0.11 on Jul 20, 1993) and selling at the peak ($113.94 on Sep 3, 2021) would have turned $1,000 into $996,916.52. Historical return: +99591.65% (996.9 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 (all-time low at $0.11). The best sell date was Sep 3, 2021 at $113.94. This investment would have returned +99591.65% (996.9 times).
What was Cooper Companies (COO) stock's maximum drawdown?
- Cooper Companies (COO) stock's worst decline was -98.87% (fell to 1% of peak) from peak to trough. Peak: $10.13 on Jun 28, 1983. Trough: $0.11 on Jul 20, 1993. A $1,000 investment at the peak would have been worth $11.28 at the trough.
What if you bought Cooper Companies (COO) stock at IPO?
- A $1,000 investment in Cooper Companies (COO) stock at IPO ($7.15 on Jan 21, 1983) would be worth $9,931.1 today. Historical return: +893.11% (9.93 times). Current stock price: $71.04 as of Mar 16, 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 ($95.51 on Mar 16, 2021) would be worth $743.81 today. Historical return: -25.62% (0.74 times). Current stock price: $71.04 as of Mar 16, 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 ($36.42 on Mar 16, 2016) would be worth $1,950.84 today. Historical return: +95.08% (1.95 times). Current stock price: $71.04 as of Mar 16, 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 ($13.23 on Mar 16, 2006) would be worth $5,368.82 today. Historical return: +436.88% (5.37 times). Current stock price: $71.04 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 COO. You can select any date between our first and most recent data point.