Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) Chart & Stock Price History $25.39 +0.01 (+0.04%) Closing price 05/22/2025 04:10 PM EasternExtended Trading$25.38 -0.01 (-0.02%) As of 05/22/2025 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 AnalysisChartHoldingsOwnershipBuy This Stock Calamos S&P 500 Structured Alt Protection ETF - August Stock Price Performance The Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) fund chart highlights key performance trends across multiple timeframes. Since the beginning of the year, the fund increased 1.24%. In the past month, the fund has increased 3.25%, reflecting recent market activity. As of the latest close, Calamos S&P 500 Structured Alt Protection ETF - August traded at $25.39 with a market cap of $38.09 million and volume of 197 shares. Receive CPSA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - August and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-0.51%1 Month Performance+3.25%3 Month Performance+0.16%Year-To-Date Performance+1.24% CPSA Stock Chart for Friday, May, 23, 2025 CPSA Chart by TradingView Calamos S&P 500 Structured Alt Protection ETF - August 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 Capitalization05/22/2025$25.38$25.39+0.04%$25.39$25.36197 shs$38.09 million05/21/2025$25.50$25.38-0.47%$25.45$25.37506 shs$38.07 million05/20/2025$25.55$25.50-0.20%$25.54$25.50239 shs$38.25 million05/19/2025$25.52$25.55+0.12%$25.55$25.50201 shs$38.33 million05/16/2025$25.45$25.52+0.28%$25.53$25.4834,574 shs$38.28 million05/15/2025$25.44$25.45+0.04%$25.45$25.44345 shs$38.18 million05/14/2025$25.44$25.44$25.44$25.431,291 shs$38.16 million05/13/2025$25.32$25.44+0.47%$25.44$25.39301 shs$38.16 million05/12/2025$25.03$25.32+1.16%$25.32$25.232,261 shs$37.98 million05/09/2025$25.06$25.03-0.12%$25.05$25.012,095 shs$37.55 million Get the Latest News and Ratings for CPSA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Calamos S&P 500 Structured Alt Protection ETF - August and its competitors with MarketBeat's FREE daily newsletter. 05/08/2025$25.00$25.06+0.24%$25.11$25.053,274 shs$37.59 million05/07/2025$24.98$25.00+0.08%$25.00$24.96159 shs$38.25 million05/06/2025$25.00$24.98-0.08%$24.98$24.95633 shs$38.22 million05/05/2025$25.08$25.00-0.32%$25.03$24.984,672 shs$38.25 million05/02/2025$24.98$25.08+0.40%$25.08$25.08134 shs$38.37 million05/01/2025$24.94$24.98+0.16%$25.04$24.981,037 shs$38.22 million04/30/2025$24.89$24.94+0.20%$24.94$24.733,952 shs$38.16 million04/29/2025$24.84$24.89+0.20%$24.89$24.79862 shs$38.08 million04/28/2025$24.80$24.84+0.16%$24.88$24.711,412 shs$38.01 million04/25/2025$24.75$24.80+0.20%$24.80$24.7311,169 shs$37.94 million04/24/2025$24.59$24.75+0.65%$24.75$24.607,720 shs$37.87 million04/23/2025$24.45$24.59+0.57%$24.70$24.592,198 shs$37.62 million04/22/2025$24.30$24.45+0.62%$24.52$24.422,234 shs$37.41 million Related Companies AllianzIM U.S. Large Cap Buffer10 Nov ETF Stock Chart iShares Large Cap Value Active ETF Stock Chart AllianzIM U.S. Large Cap 6 Month Buffer10 Mar/Sep ETF Stock Chart Defiance Large Cap ex-Mag 7 ETF Stock Chart The Acquirers Fund Stock Chart Praxis Impact Large Cap Value ETF Stock Chart Alger Concentrated Equity ETF Stock Chart Calamos S&P 500 Structured Alt Protection ETF - July Stock Chart Calamos Nasdaq-100 Structured Alt Protection ETF - December Stock Chart AllianzIM U.S. Large Cap Buffer10 Apr ETF Stock Chart Receive CPSA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - August and its competitors with MarketBeat's FREE daily newsletter. 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