CSP - 44 Year Stock Price History | CSPI

The latest closing stock price for CSP as of April 16, 2026 is 9.08.

  • An investor who bought $1,000 worth of CSP stock at the IPO in 1982 would have $3,717 today, roughly 4 times their original investment - a 3.59% compound annual growth rate over 44 years.
  • The all-time high CSP stock closing price was 27.46 on March 01, 2024.
  • The CSP 52-week high stock price is 17.76, which is 95.6% above the current share price.
  • The CSP 52-week low stock price is 7.55, which is 16.9% below the current share price.
  • The average CSP stock price for the last 52 weeks is 11.79.
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 $3,717 today, roughly 4 times their original investment - a 3.59% compound annual growth rate over 44 years.
  • The all-time high CSP stock closing price was 27.46 on March 01, 2024.
  • The CSP 52-week high stock price is 17.76, which is 95.6% above the current share price.
  • The CSP 52-week low stock price is 7.55, which is 16.9% below the current share price.
  • The average CSP stock price for the last 52 weeks is 11.79.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.