CSP - 44 Year Stock Price History | CSPI

The latest closing stock price for CSP as of June 22, 2026 is 8.51.

  • An investor who bought $1,000 worth of CSP stock at the IPO in 1982 would have $3,435 today, roughly 3 times their original investment - a 3.44% compound annual growth rate over 44 years.
  • The all-time high CSP stock closing price was 27.37 on March 01, 2024.
  • The CSP 52-week high stock price is 15.00, which is 76.3% above the current share price.
  • The CSP 52-week low stock price is 7.55, which is 11.3% below the current share price.
  • The average CSP stock price for the last 52 weeks is 10.84.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

CSP - 44 Year Stock Price History | CSPI

  • An investor who bought $1,000 worth of CSP stock at the IPO in 1982 would have $3,435 today, roughly 3 times their original investment - a 3.44% compound annual growth rate over 44 years.
  • The all-time high CSP stock closing price was 27.37 on March 01, 2024.
  • The CSP 52-week high stock price is 15.00, which is 76.3% above the current share price.
  • The CSP 52-week low stock price is 7.55, which is 11.3% below the current share price.
  • The average CSP stock price for the last 52 weeks is 10.84.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.