Koppers Holdings - 19 Year Stock Price History | KOP

The latest closing stock price for Koppers Holdings as of May 29, 2025 is 31.55.

  • An investor who bought $1,000 worth of Koppers Holdings stock at the IPO in 2006 would have $1,644 today, roughly 2 times their original investment - a 5.25% compound annual growth rate over 19 years.
  • The all-time high Koppers Holdings stock closing price was 56.55 on February 28, 2024.
  • The Koppers Holdings 52-week high stock price is 44.64, which is 41.5% above the current share price.
  • The Koppers Holdings 52-week low stock price is 22.99, which is 27.1% below the current share price.
  • The average Koppers Holdings stock price for the last 52 weeks is 33.68.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

Koppers Holdings - 19 Year Stock Price History | KOP

  • An investor who bought $1,000 worth of Koppers Holdings stock at the IPO in 2006 would have $1,644 today, roughly 2 times their original investment - a 5.25% compound annual growth rate over 19 years.
  • The all-time high Koppers Holdings stock closing price was 56.55 on February 28, 2024.
  • The Koppers Holdings 52-week high stock price is 44.64, which is 41.5% above the current share price.
  • The Koppers Holdings 52-week low stock price is 22.99, which is 27.1% below the current share price.
  • The average Koppers Holdings stock price for the last 52 weeks is 33.68.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.