Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) Chart & Stock Price History $25.95 -0.07 (-0.27%) As of 06/13/2025 04:10 PM Eastern Add Compare Share Share Chart Stock AnalysisChartHoldingsOwnershipBuy This Stock Calamos S&P 500 Structured Alt Protection ETF - October Stock Price Performance The Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) fund chart highlights key performance trends across multiple timeframes. Since the beginning of the year, the fund increased 1.84%. In the past month, the fund has increased 0.54%, reflecting recent market activity. As of the latest close, Calamos S&P 500 Structured Alt Protection ETF - October traded at $25.95 with a market cap of $16.22 million and volume of 104 shares. Receive CPSO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - October and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-0.23%1 Month Performance+0.54%3 Month Performance+2.17%Year-To-Date Performance+1.84% CPSO Stock Chart for Sunday, June, 15, 2025 CPSO Chart by TradingView Calamos S&P 500 Structured Alt Protection ETF - October 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 Capitalization06/13/2025$26.02$25.95-0.27%$25.97$25.95104 shs$16.22 million06/12/2025$26.00$26.02+0.08%$26.04$25.993,259 shs$16.26 million06/11/2025$26.01$26.00-0.04%$26.00$26.00162 shs$16.25 million06/10/2025$25.95$26.01+0.23%$26.01$25.98138 shs$16.26 million06/09/2025$25.95$25.95$25.96$25.94811 shs$16.22 million06/06/2025$25.91$25.95+0.15%$25.95$25.921,975 shs$16.22 million06/05/2025$25.92$25.91-0.04%$25.93$25.857,507 shs$16.19 million06/04/2025$25.91$25.92+0.04%$25.93$25.9326 shs$16.20 million06/03/2025$25.88$25.91+0.12%$25.91$25.88538 shs$16.19 million06/02/2025$25.86$25.88+0.08%$25.89$25.801,559 shs$16.18 million Get the Latest News and Ratings for CPSO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Calamos S&P 500 Structured Alt Protection ETF - October and its competitors with MarketBeat's FREE daily newsletter. 05/30/2025$25.84$25.86+0.08%$25.86$25.8693 shs$16.16 million05/29/2025$25.81$25.84+0.12%$25.84$25.8493 shs$16.15 million05/28/2025$25.84$25.81-0.12%$25.81$25.8193 shs$16.13 million05/27/2025$25.72$25.84+0.47%$25.84$25.8493 shs$16.15 million05/26/2025$25.72$25.72$25.72$25.722 shs$16.08 million05/23/2025$25.75$25.72-0.12%$25.72$25.722 shs$16.08 million05/22/2025$25.75$25.75$25.75$25.752 shs$16.09 million05/21/2025$25.84$25.75-0.35%$25.75$25.752 shs$16.09 million05/20/2025$25.85$25.84-0.04%$25.84$25.842 shs$16.15 million05/19/2025$25.84$25.85+0.04%$25.85$25.8525 shs$16.16 million05/16/2025$25.81$25.84+0.12%$25.85$25.85281 shs$16.15 million05/15/2025$25.76$25.81+0.19%$25.81$25.76435 shs$16.13 million05/14/2025$25.76$25.76$25.76$25.7670 shs$16.10 million Related Companies LIVR Stock Chart SEPT Stock Chart ACGR Stock Chart MAYT Stock Chart KSPY Stock Chart AZAA Stock Chart FEDL Stock Chart SZNE Stock Chart QRMI Stock Chart BCIL Stock Chart Receive CPSO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - October and its competitors with MarketBeat's FREE daily newsletter. 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