CSP - 43 Year Stock Price History | CSPI

The latest closing stock price for CSP as of July 28, 2025 is 11.35.

  • An investor who bought $1,000 worth of CSP stock at the IPO in 1982 would have $4,848 today, roughly 5 times their original investment - a 4.19% compound annual growth rate over 43 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 93.4% above the current share price.
  • The CSP 52-week low stock price is 10.39, which is 8.5% below the current share price.
  • The average CSP stock price for the last 52 weeks is 14.70.
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 $4,848 today, roughly 5 times their original investment - a 4.19% compound annual growth rate over 43 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 93.4% above the current share price.
  • The CSP 52-week low stock price is 10.39, which is 8.5% below the current share price.
  • The average CSP stock price for the last 52 weeks is 14.70.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.