Calamos S&P 500 Structured Alt Protection ETF - August (CPSA) Chart & Stock Price History $26.46 0.00 (0.00%) Closing price 08/28/2025 04:10 PM EasternExtended Trading$26.46 0.00 (0.00%) As of 08/28/2025 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. Over the last 12 months, the fund's price has increased 7.87%, with a year-to-date return of 5.50%. In the past month, the fund has increased 0.92%, reflecting recent market activity. As of the latest close, Calamos S&P 500 Structured Alt Protection ETF - August traded at $26.46 with a market cap of $37.04 million and volume of 19,541 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. 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+0.15%1 Month Performance+0.92%3 Month Performance+3.72%Year-To-Date Performance+5.50%1 Year Performance+7.87% CPSA Stock Chart for Friday, August, 29, 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 Capitalization08/28/2025$26.46$26.46$26.50$26.3919,541 shs$37.04 million08/27/2025$26.41$26.46+0.19%$26.47$26.3911,524 shs$37.04 million08/26/2025$26.40$26.41+0.04%$26.44$26.356,367 shs$36.97 million08/25/2025$26.42$26.40-0.08%$26.44$26.3227,434 shs$36.96 million08/22/2025$26.32$26.42+0.38%$26.47$26.3411,938 shs$36.99 million08/21/2025$26.36$26.32-0.15%$26.38$26.2721,390 shs$36.85 million08/20/2025$26.36$26.36$26.36$26.364,180 shs$36.90 million08/19/2025$26.38$26.36-0.08%$26.43$26.312,058 shs$36.90 million08/18/2025$26.41$26.38-0.11%$26.42$26.388,850 shs$36.93 million08/15/2025$26.39$26.41+0.08%$26.44$26.3910,013 shs$36.97 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. 08/14/2025$26.42$26.39-0.11%$26.43$26.363,641 shs$36.95 million08/13/2025$26.38$26.42+0.15%$26.43$26.336,701 shs$36.99 million08/12/2025$26.33$26.38+0.19%$26.42$26.3358,110 shs$36.93 million08/11/2025$26.34$26.33-0.04%$26.36$26.2914,161 shs$37.52 million08/08/2025$26.28$26.34+0.23%$26.42$26.3410,105 shs$37.53 million08/07/2025$26.32$26.28-0.15%$26.39$26.2391,166 shs$37.45 million08/06/2025$26.26$26.32+0.23%$26.34$26.2711,502 shs$37.51 million08/05/2025$26.28$26.26-0.08%$26.29$26.2241,723 shs$37.42 million08/04/2025$26.28$26.28$26.30$26.2050,243 shs$37.45 million08/01/2025$26.20$26.28+0.31%$26.28$26.20159,176 shs$37.45 million07/31/2025$26.22$26.20-0.08%$26.26$26.1930,501 shs$37.34 million07/30/2025$26.22$26.22$26.22$26.1612,462 shs$37.36 million07/29/2025$26.21$26.22+0.04%$26.25$26.182,519 shs$37.36 million07/28/2025$26.20$26.21+0.04%$26.21$26.17200 shs$37.35 million Related Companies Global X S&P 500 Risk Managed Income ETF Stock Chart Touchstone International Equity ETF Stock Chart NestYield Visionary ETF Stock Chart Calamos S&P 500 Structured Alt Protection ETF - July Stock Chart AllianzIM U.S. Large Cap Buffer10 Jul ETF Stock Chart AllianzIM U.S. Large Cap Buffer10 Apr ETF Stock Chart Calamos Nasdaq - 100 Structured Alt Protection ETF - June Stock Chart Roundhill S&P 500 Target 20 Managed Distribution ETF Stock Chart Hartford US Quality Growth ETF Stock Chart Innovator Equity Managed 100 Buffer 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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