Calamos S&P 500 Structured Alt Protection ETF - September (CPST) Chart & Stock Price History $25.14 -0.13 (-0.51%) As of 03/28/2025 04:10 PM Eastern Add Compare Share Share Chart Stock AnalysisChartHoldingsOwnershipBuy This Stock Calamos S&P 500 Structured Alt Protection ETF - September Stock Price Performance 5 Day Performance-0.83%1 Month Performance-1.45%3 Month Performance-0.71%6 Month Performance+0.24%Year-To-Date Performance-0.71% 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 Sunday, March, 30, 2025 CPST Chart by TradingViewRemove Ads 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 Capitalization03/28/2025$25.27$25.14-0.51%$25.14$25.14135 shs$25.89 million03/27/2025$25.28$25.27-0.04%$25.27$25.261,666 shs$26.03 million03/26/2025$25.35$25.28-0.28%$25.30$25.28370 shs$26.04 million03/25/2025$25.34$25.35+0.04%$25.35$25.35684 shs$26.11 million03/24/2025$25.20$25.34+0.56%$25.34$25.28684 shs$26.10 million03/21/2025$25.20$25.20$25.20$25.151,948 shs$25.96 million03/20/2025$25.23$25.20-0.12%$25.20$25.171,687 shs$25.96 million03/19/2025$25.15$25.23+0.32%$25.23$25.23318 shs$25.99 million03/18/2025$25.22$25.15-0.28%$25.15$25.15282 shs$25.90 million03/17/2025$25.19$25.22+0.12%$25.22$25.2295 shs$25.98 million 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. 03/14/2025$25.04$25.19+0.60%$25.19$25.14200 shs$25.95 million03/13/2025$25.15$25.04-0.44%$25.12$25.031,017 shs$25.79 million03/12/2025$25.14$25.15+0.04%$25.15$25.086,558 shs$25.90 million03/11/2025$25.17$25.14-0.12%$25.15$25.097,837 shs$25.89 million03/10/2025$25.35$25.17-0.71%$25.17$25.12163 shs$25.93 million03/07/2025$25.28$25.35+0.28%$25.35$25.35198 shs$26.11 million03/06/2025$25.41$25.28-0.51%$25.30$25.256,638 shs$26.04 million03/05/2025$25.34$25.41+0.28%$25.41$25.328,706 shs$26.17 million03/04/2025$25.38$25.34-0.16%$25.40$25.332,743 shs$0.0003/03/2025$25.51$25.38-0.51%$25.51$25.386,637 shs$0.0002/28/2025$25.42$25.51+0.35%$25.51$25.384,539 shs$0.00 Related Companies AllianzIM U.S. Large Cap Buffer10 Mar ETF Stock Chart Federated Hermes MDT Large Cap Value ETF Stock Chart AllianzIM Buffer20 Allocation ETF Stock Chart Roundhill Acquirers Deep Value ETF Stock Chart FT Vest U.S. Equity Equal Weight Buffer ETF - September Stock Chart Roundhill S&P 500 Target 20 Managed Distribution ETF Stock Chart First Trust S&P 500 Diversified Dividend Aristocrats ETF Stock Chart Calvert US Select Equity ETF Stock Chart QRAFT AI-Enhanced U.S. Large Cap Momentum ETF Stock Chart Cambria Tax Aware 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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