Calamos Nasdaq-100 Structured Alt Protection ETF - September (CPNS) Chart & Stock Price History $26.64 +0.01 (+0.04%) As of 02:44 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartHoldingsOwnershipBuy This Stock Calamos Nasdaq-100 Structured Alt Protection ETF - September Stock Price Performance The Calamos Nasdaq-100 Structured Alt Protection ETF - September (CPNS) fund chart highlights key performance trends across multiple timeframes. Since the beginning of the year, the fund increased 4.96%. In the past month, the fund has increased 0.72%, reflecting recent market activity. As of the latest close, Calamos Nasdaq-100 Structured Alt Protection ETF - September traded at $26.64 with a market cap of $23.98 million and volume of 12 shares. 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Email Address 5 Day Performance+0.11%1 Month Performance+0.72%3 Month Performance+2.94%Year-To-Date Performance+4.96% CPNS Stock Chart for Friday, August, 15, 2025 CPNS Chart by TradingView Calamos Nasdaq-100 Structured Alt Protection ETF - September 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 Capitalization08/14/2025$26.64$26.64$26.64$26.6412 shs$23.98 million08/13/2025$26.63$26.64+0.04%$26.64$26.641 shs$23.98 million08/12/2025$26.61$26.63+0.08%$26.63$26.631 shs$23.97 million08/11/2025$26.61$26.61$26.61$26.611 shs$23.95 million08/08/2025$26.59$26.61+0.08%$26.62$26.591,801 shs$23.95 million08/07/2025$26.59$26.59$26.59$26.5982 shs$23.93 million08/06/2025$26.55$26.59+0.15%$26.59$26.59872 shs$23.93 million08/05/2025$26.56$26.55-0.04%$26.58$26.54872 shs$23.90 million08/04/2025$26.51$26.56+0.19%$26.56$26.541,955 shs$23.90 million08/01/2025$26.55$26.51-0.15%$26.51$26.46645 shs$23.86 million Get the Latest News and Ratings for CPNS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Calamos Nasdaq-100 Structured Alt Protection ETF - September and its competitors with MarketBeat's FREE daily newsletter. 07/31/2025$26.56$26.55-0.04%$26.55$26.51205 shs$23.90 million07/30/2025$26.56$26.56$26.56$26.561,680 shs$23.90 million07/29/2025$26.56$26.56$26.56$26.511,680 shs$23.90 million07/28/2025$26.54$26.56+0.08%$26.56$26.53106 shs$23.90 million07/25/2025$26.52$26.54+0.08%$26.54$26.52190 shs$23.89 million07/24/2025$26.50$26.52+0.08%$26.52$26.518,340 shs$23.87 million07/23/2025$26.49$26.50+0.04%$26.52$26.473,518 shs$23.85 million07/22/2025$26.50$26.49-0.04%$26.49$26.49810 shs$23.84 million07/21/2025$26.48$26.50+0.08%$26.51$26.48200 shs$23.85 million07/18/2025$26.48$26.48$26.48$26.452,078 shs$23.83 million07/17/2025$26.45$26.48+0.11%$26.48$26.441,113 shs$23.83 million07/16/2025$26.45$26.45$26.46$26.41753 shs$23.81 million07/15/2025$26.43$26.45+0.08%$26.45$26.451,275 shs$23.81 million07/14/2025$26.42$26.43+0.04%$26.43$26.401,275 shs$23.79 million Related Companies FT Vest U.S. Equity Equal Weight Buffer ETF - September Stock Price Chart AllianzIM U.S. Large Cap Buffer10 Jun ETF Stock Price Chart JPMorgan U.S. Research Enhanced Large Cap ETF Stock Price Chart Calamos S&P 500Structured Alt Protection ETF- February Stock Price Chart Calamos S&P 500 Structured Alt Protection ETF - September Stock Price Chart Parametric Equity Plus ETF Stock Price Chart Invesco S&P 500 Minimum Variance ETF Stock Price Chart Calamos S&P 500Structured Alt Protection ETF - March Stock Price Chart First Trust S&P 500 Diversified Dividend Aristocrats ETF Stock Price Chart Bancreek International Large Cap ETF Stock Price Chart Receive CPNS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos Nasdaq-100 Structured Alt Protection ETF - September and its competitors with MarketBeat's FREE daily newsletter. 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