Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) Chart & Stock Price History $26.59 0.00 (0.00%) As of 05/22/2026 04:10 PM Eastern Add Compare Share Share Chart Stock AnalysisChartHoldingsOwnershipSEC FilingsShort InterestBuy This Stock Calamos S&P 500 Structured Alt Protection ETF - December Stock Price Performance The Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) fund chart highlights key performance trends across multiple timeframes. Over the last 12 months, the fund's price has increased 9.56%, with a year-to-date return of 2.19%. In the past month, the fund has increased 0.68%, reflecting recent market activity. As of the latest close, Calamos S&P 500 Structured Alt Protection ETF - December traded at $26.59 with a market cap of $45.20 million and volume of 947 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+0.11%1 Month Performance+0.68%3 Month Performance+1.57%Year-To-Date Performance+2.19%1 Year Performance+9.56% CPSD Stock Chart for Monday, May, 25, 2026 CPSD Chart by TradingView Calamos S&P 500 Structured Alt Protection ETF - December 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 DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization05/25/2026$26.59$26.59$26.62$26.59947 shs$45.20 million05/22/2026$26.60$26.59-0.04%$26.62$26.59947 shs$45.20 million05/21/2026$26.56$26.60+0.15%$26.60$26.58178 shs$45.22 million05/20/2026$26.55$26.56+0.04%$26.59$26.561,965 shs$45.15 million05/19/2026$26.57$26.55-0.08%$26.55$26.55186 shs$45.14 million05/18/2026$26.57$26.57$26.57$26.546,141 shs$45.17 million05/15/2026$26.60$26.57-0.11%$26.57$26.56860 shs$45.17 million05/14/2026$26.58$26.60+0.08%$26.60$26.60230 shs$45.22 million05/13/2026$26.56$26.58+0.08%$26.58$26.542,192 shs$45.19 million05/12/2026$26.54$26.56+0.08%$26.56$26.504,134 shs$45.15 million Get the Latest News and Ratings for CPSD and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Calamos S&P 500 Structured Alt Protection ETF - December and its competitors with MarketBeat's FREE daily newsletter. 05/11/2026$26.56$26.54-0.08%$26.56$26.54802 shs$45.12 million05/08/2026$26.53$26.56+0.11%$26.56$26.56302 shs$45.15 million05/07/2026$26.51$26.53+0.08%$26.58$26.53211 shs$45.10 million05/06/2026$26.49$26.51+0.08%$26.53$26.492,823 shs$45.07 million05/05/2026N/A$26.49$26.49$26.462,088 shs$45.03 million04/30/2026$26.41$26.44+0.11%$26.45$26.41398 shs$44.95 million04/29/2026$26.41$26.41$26.41$26.38163 shs$44.90 million04/28/2026$26.42$26.41-0.04%$26.41$26.38850 shs$44.90 million04/27/2026$26.41$26.42+0.04%$26.42$26.402,198 shs$44.91 million04/24/2026$26.40$26.41+0.04%$26.41$26.398,011 shs$44.90 million Related Companies TLCI Stock Chart AZAL Stock Chart SPBW Stock Chart CPSA Stock Chart SFYF Stock Chart APRT Stock Chart DXD Stock Chart CPSJ Stock Chart SIXF Stock Chart IFED Stock Chart Receive CPSD Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - December and its competitors with MarketBeat's FREE daily newsletter. This page (NYSEARCA:CPSD) was last updated on 5/25/2026 by MarketBeat.com Staff. 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