Calamos S&P 500 Structured Alt Protection ETF - June (CPSU) Chart & Stock Price History $26.71 +0.01 (+0.04%) As of 09/19/2025 04:10 PM Eastern 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 0.79%, reflecting recent market activity. As of the latest close, Calamos S&P 500 Structured Alt Protection ETF - June traded at $26.71 with a market cap of $12.02 million and volume of 6 shares. 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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Read our full terms of service and privacy policy. 5 Day Performance+0.11%1 Month Performance+0.79%3 Month Performance+2.42% CPSU Stock Chart for Saturday, September, 20, 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 Capitalization09/19/2025$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 million09/12/2025$26.64$26.67+0.11%$26.67$26.643,847 shs$12.00 million09/11/2025$26.64$26.64$26.64$26.644 shs$11.99 million09/10/2025$26.63$26.64+0.04%$26.64$26.644 shs$11.99 million09/09/2025$26.63$26.63$26.63$26.59679 shs$11.98 million09/08/2025$26.61$26.63+0.08%$26.63$26.63246 shs$11.98 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. 09/05/2025$26.59$26.61+0.08%$26.61$26.61246 shs$11.97 million09/04/2025$26.57$26.59+0.08%$26.60$26.6090 shs$11.97 million09/03/2025$26.53$26.57+0.15%$26.57$26.571 shs$11.96 million09/02/2025$26.56$26.53-0.11%$26.54$26.544 shs$11.94 million09/01/2025$26.56$26.56$26.56$26.53485 shs$11.95 million08/29/2025$26.57$26.56-0.04%$26.56$26.53485 shs$11.95 million08/28/2025$26.56$26.57+0.04%$26.57$26.5415,047 shs$11.96 million08/27/2025$26.55$26.56+0.04%$26.56$26.563 shs$11.95 million08/26/2025$26.53$26.55+0.08%$26.55$26.553 shs$11.95 million08/25/2025$26.55$26.53-0.08%$26.53$26.534 shs$11.94 million08/22/2025$26.47$26.55+0.30%$26.55$26.54197 shs$11.95 million08/21/2025$26.50$26.47-0.11%$26.47$26.45156 shs$11.91 million08/20/2025$26.50$26.50$26.50$26.5086 shs$11.93 million08/19/2025$26.51$26.50-0.04%$26.50$26.50152 shs$11.93 million Related Companies iShares S&P 500 3% Capped ETF Stock Chart Tradr 2X Long SPY Quarterly ETF Stock Chart ETRACS 2x Leveraged US Growth Factor TR ETN Stock Chart iShares Large Cap Core Active ETF Stock Chart Vesper U.S. Large Cap Short-Term Reversal Strategy ETF Stock Chart KraneShares China Alpha Index ETF Stock Chart Nuveen Winslow Large-Cap Growth ESG ETF Stock Chart AllianzIM U.S. Equity 6 Month Floor5 Apr/Oct ETF Stock Chart Direxion Daily Dow Jones Internet Bear 3x Shares Stock Chart ProShares Nasdaq-100 Dorsey Wright Momentum 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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