CSP (CSPI) Stock Chart & Stock Price History $12.37 +0.05 (+0.41%) Closing price 04:00 PM EasternExtended Trading$12.34 -0.02 (-0.20%) As of 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsDividendEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock CSP Stock Price Performance The CSP (CSPI) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 2.90%, with a year-to-date return of -23.02%. In the past month, the stock has decreased 1.51%, reflecting recent market activity. As of the latest close, CSP traded at $12.32 with a market cap of $121.48 million and volume of 11,236 shares. Five years ago, the stock traded at a split-adjusted price of $4.50, representing a 174.80% increase over that period. At the time, it had a market cap of $38.51 million and a volume of 1,970 shares. Receive CSPI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for CSP and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance-7.06%1 Month Performance-1.51%3 Month Performance+15.39%Year-To-Date Performance-23.02%1 Year Performance-2.90%5 Year Performance+174.80% CSPI Stock Chart for Friday, September, 26, 2025 CSPI Chart by TradingView CSP Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization09/25/2025$12.56$12.32-1.91%$12.70$12.2811,236 shs$121.48 million09/24/2025$12.66$12.56-0.79%$12.61$12.479,584 shs$123.85 million09/23/2025$13.41$12.66-5.59%$14.20$12.5920,430 shs$124.83 million09/22/2025$13.31$13.41+0.75%$13.70$13.2034,593 shs$132.22 million09/19/2025$13.05$13.31+1.99%$13.52$11.8399,112 shs$131.24 million09/18/2025$12.18$13.05+7.14%$13.10$11.9930,532 shs$128.69 million09/17/2025$11.55$12.18+5.45%$12.49$11.7020,622 shs$120.10 million09/16/2025$11.28$11.55+2.39%$11.85$11.1615,419 shs$113.88 million09/15/2025$11.20$11.28+0.71%$11.59$11.1124,132 shs$111.23 million09/12/2025$11.60$11.20-3.45%$11.75$11.0814,385 shs$110.44 million Get the Latest News and Ratings for CSPI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for CSP and its competitors with MarketBeat's FREE daily newsletter. 09/11/2025$10.96$11.60+5.84%$11.64$10.9814,872 shs$114.38 million09/10/2025$10.88$10.96+0.74%$11.34$10.909,913 shs$108.07 million09/09/2025$11.17$10.88-2.60%$11.40$10.7617,449 shs$107.29 million09/08/2025$11.37$11.17-1.76%$11.49$10.7220,104 shs$110.14 million09/05/2025$11.56$11.37-1.64%$11.73$11.2016,687 shs$112.11 million09/04/2025$11.41$11.56+1.31%$11.80$11.2511,117 shs$113.98 million09/03/2025$12.13$11.41-5.94%$12.34$11.4119,156 shs$112.51 million09/02/2025$12.06$12.13+0.58%$12.78$11.3997,779 shs$119.60 million09/01/2025$12.06$12.06$12.58$11.9010,300 shs$118.91 million08/29/2025$12.39$12.06-2.66%$12.58$11.9010,300 shs$118.91 million08/28/2025$12.67$12.39-2.21%$12.78$12.1511,548 shs$122.18 million08/27/2025$12.56$12.67+0.88%$12.89$12.4119,498 shs$124.93 million08/26/2025$12.54$12.56+0.16%$12.89$12.3315,709 shs$123.84 million08/25/2025$12.74$12.54-1.57%$12.89$12.5411,066 shs$123.66 million Related Companies DAVA Stock Price Chart BAND Stock Price Chart TLS Stock Price Chart LZMH Stock Price Chart XNET Stock Price Chart GDEV Stock Price Chart CANG Stock Price Chart ATGL Stock Price Chart PERI Stock Price Chart GRRR Stock Price Chart Receive CSPI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for CSP and its competitors with MarketBeat's FREE daily newsletter. 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