Calamos S&P 500 Structured Alt Protection ETF - September (CPST) Chart & Stock Price History $25.56 -0.07 (-0.27%) As of 02/21/2025 04:10 PM Eastern Add Compare Share Share Chart Stock AnalysisChartHoldingsOwnership Calamos S&P 500 Structured Alt Protection ETF - September Stock Price Performance 5 Day Performance-0.08%1 Month Performance+0.08%3 Month Performance+1.35%Year-To-Date Performance+0.95% Receive CPST Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - September and its competitors with MarketBeat's FREE daily newsletter. Email Address CPST Stock Chart for Saturday, February, 22, 2025 CPST Chart by TradingView Calamos S&P 500 Structured Alt Protection ETF - September Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization02/21/2025$25.63$25.56-0.27%$25.59$25.56102 shs$0.0002/20/2025$25.64$25.63-0.04%$25.63$25.56101 shs$0.0002/19/2025$25.59$25.64+0.20%$25.64$25.58104 shs$0.0002/18/2025$25.58$25.59+0.04%$25.60$25.571,026 shs$0.0002/17/2025$25.58$25.58$25.58$25.561,932 shs$0.0002/14/2025$25.58$25.58$25.58$25.561,932 shs$0.0002/13/2025$25.55$25.58+0.12%$25.58$25.58501 shs$0.0002/12/2025$25.59$25.55-0.16%$25.55$25.50501 shs$0.0002/11/2025$25.57$25.59+0.08%$25.59$25.52121 shs$0.0002/10/2025$25.53$25.57+0.16%$25.57$25.521,646 shs$0.00 Get the Latest News and Ratings for CPST and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Calamos S&P 500 Structured Alt Protection ETF - September and its competitors with MarketBeat's FREE daily newsletter. 02/07/2025$25.56$25.53-0.12%$25.55$25.52293 shs$0.0002/06/2025$25.52$25.56+0.16%$25.56$25.524,022 shs$0.0002/05/2025$25.52$25.52$25.53$25.482,609 shs$0.0002/04/2025$25.42$25.52+0.39%$25.53$25.50282 shs$0.0002/03/2025$25.52$25.42-0.39%$25.42$25.423,656 shs$0.0001/31/2025$25.53$25.52-0.04%$25.54$25.482,475 shs$0.0001/30/2025$25.51$25.53+0.08%$25.56$25.497,990 shs$0.0001/29/2025$25.53$25.51-0.08%$25.51$25.51228 shs$0.0001/28/2025$25.47$25.53+0.24%$25.55$25.471,417 shs$0.0001/27/2025$25.55$25.47-0.31%$25.47$25.47194 shs$0.0001/24/2025$25.56$25.55-0.04%$25.57$25.529,550 shs$0.0001/23/2025$25.54$25.56+0.08%$25.56$25.54587 shs$0.0001/22/2025$25.51$25.54+0.12%$25.54$25.54374 shs$0.0001/21/2025$25.47$25.51+0.16%$25.51$25.51374 shs$0.00 Related Companies Bancreek International Large Cap ETF Stock Chart Pacer CFRA-Stovall Equal Weight Seasonal Rotation Index ETF Stock Chart Roundhill Acquirers Deep Value ETF Stock Chart Calamos Nasdaq-100 Structured Alt Protection ETF - September Stock Chart FT Vest U.S. Equity Equal Weight Buffer ETF - June Stock Chart Calvert US Select Equity ETF Stock Chart AllianzIM U.S. Large Cap 6 Month Buffer10 Mar/Sep ETF Stock Chart Cambria Tax Aware ETF Stock Chart Proshares S&P 500 EX-Health Care ETF Stock Chart Overlay Shares Hedged Large Cap Equity ETF Stock Chart Receive CPST Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - September and its competitors with MarketBeat's FREE daily newsletter. 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