CSP - 43 Year Stock Price History | CSPI

The latest closing stock price for CSP as of August 19, 2025 is 11.22.

  • An investor who bought $1,000 worth of CSP stock at the IPO in 1982 would have $4,781 today, roughly 5 times their original investment - a 4.07% compound annual growth rate over 44 years.
  • The all-time high CSP stock closing price was 27.68 on March 01, 2024.
  • The CSP 52-week high stock price is 21.95, which is 95.6% above the current share price.
  • The CSP 52-week low stock price is 9.65, which is 14% below the current share price.
  • The average CSP stock price for the last 52 weeks is 14.47.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

CSP - 43 Year Stock Price History | CSPI

  • An investor who bought $1,000 worth of CSP stock at the IPO in 1982 would have $4,781 today, roughly 5 times their original investment - a 4.07% compound annual growth rate over 44 years.
  • The all-time high CSP stock closing price was 27.68 on March 01, 2024.
  • The CSP 52-week high stock price is 21.95, which is 95.6% above the current share price.
  • The CSP 52-week low stock price is 9.65, which is 14% below the current share price.
  • The average CSP stock price for the last 52 weeks is 14.47.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.