Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) Chart & Stock Price History $26.75 +0.06 (+0.22%) Closing price 04:10 PM EasternExtended Trading$26.74 0.00 (-0.02%) As of 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 AnalysisChartHoldingsShort InterestBuy This Stock Calamos S&P 500 Structured Alt Protection ETF - June Stock Price Performance The Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) fund chart highlights key performance trends across multiple timeframes. In the past month, the fund has increased 0.30%, reflecting recent market activity. As of the latest close, Calamos S&P 500 Structured Alt Protection ETF - June traded at $26.75 with a market cap of $10.70 million and volume of 75 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-0.04%1 Month Performance+0.30%3 Month Performance+1.63% CPSU Stock Chart for Tuesday, October, 14, 2025 CPSU Chart by TradingView Calamos S&P 500 Structured Alt Protection ETF - June 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 Capitalization10/14/2025$26.75$26.75$26.75$26.7518 shs$10.70 million10/13/2025$26.69$26.75+0.22%$26.75$26.7575 shs$10.70 million10/10/2025$26.76$26.69-0.26%$26.79$26.691,245 shs$10.68 million10/09/2025$26.76$26.76$26.76$26.7610 shs$10.70 million10/08/2025$26.75$26.76+0.04%$26.77$26.77140 shs$10.70 million10/07/2025$26.76$26.75-0.04%$26.76$26.76140 shs$10.70 million10/06/2025$26.74$26.76+0.07%$26.77$26.72541 shs$10.70 million10/03/2025$26.73$26.74+0.04%$26.74$26.74278 shs$10.70 million10/02/2025$26.73$26.73$26.73$26.73211 shs$12.03 million10/01/2025$26.72$26.73+0.04%$26.73$26.713,648 shs$12.03 million Get the Latest News and Ratings for CPSU and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Calamos S&P 500 Structured Alt Protection ETF - June and its competitors with MarketBeat's FREE daily newsletter. 09/30/2025$26.72$26.72$26.72$26.721 shs$12.02 million09/29/2025$26.68$26.72+0.15%$26.72$26.7215 shs$12.02 million09/26/2025$26.68$26.68$26.69$26.69234 shs$12.01 million09/25/2025$26.70$26.68-0.07%$26.69$26.692 shs$12.01 million09/24/2025$26.71$26.70-0.04%$26.70$26.702 shs$12.02 million09/23/2025$26.72$26.71-0.04%$26.71$26.7118 shs$12.02 million09/22/2025$26.71$26.72+0.04%$26.72$26.726 shs$12.02 million09/19/2025$26.70$26.71+0.04%$26.71$26.716 shs$12.02 million09/18/2025$26.68$26.70+0.07%$26.70$26.706 shs$12.02 million09/17/2025$26.68$26.68$26.68$26.683,847 shs$12.01 million09/16/2025$26.68$26.68$26.68$26.683,847 shs$12.01 million09/15/2025$26.67$26.68+0.04%$26.68$26.683,847 shs$12.01 million Related Companies Tradr 2X Long SPY Quarterly ETF Stock Chart YieldMax Target 12 Big 50 Option Income ETF Stock Chart ETRACS 2x Leveraged US Growth Factor TR ETN Stock Chart AllianzIM U.S. Equity 6 Month Floor5 Apr/Oct ETF Stock Chart ProShares Nasdaq-100 Dorsey Wright Momentum ETF Stock Chart KraneShares China Alpha Index ETF Stock Chart iShares Large Cap Core Active ETF Stock Chart Direxion Daily Dow Jones Internet Bear 3x Shares Stock Chart Invesco QQQ Hedged Advantage ETF Stock Chart Calvert US Select Equity ETF Stock Chart Receive CPSU Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - June and its competitors with MarketBeat's FREE daily newsletter. 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