Calamos Nasdaq-100 Structured Alt Protection ETF - September (CPNS) Chart & Stock Price History $26.93 -0.05 (-0.19%) As of 10/10/2025 04:10 PM Eastern 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. Over the last 12 months, the fund's price has increased 7.33%, with a year-to-date return of 6.11%. In the past month, the fund has increased 0.26%, reflecting recent market activity. As of the latest close, Calamos Nasdaq-100 Structured Alt Protection ETF - September traded at $26.93 with a market cap of $26.93 million and volume of 4,873 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-0.19%1 Month Performance+0.26%3 Month Performance+1.93%Year-To-Date Performance+6.11%1 Year Performance+7.33% CPNS Stock Chart for Saturday, October, 11, 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 Capitalization10/10/2025$26.98$26.93-0.19%$27.02$26.944,873 shs$26.93 million10/09/2025$27.01$26.98-0.11%$26.99$26.973,866 shs$26.98 million10/08/2025$26.98$27.01+0.11%$27.01$27.0185 shs$27.01 million10/07/2025$26.98$26.98$26.98$26.971,771 shs$26.98 million10/06/2025$26.97$26.98+0.04%$27.00$26.977,771 shs$26.98 million10/03/2025$26.99$26.97-0.07%$26.97$26.964,459 shs$26.97 million10/02/2025$26.98$26.99+0.04%$26.99$26.953,378 shs$24.29 million10/01/2025$26.95$26.98+0.11%$26.98$26.9424,475 shs$24.28 million09/30/2025$26.93$26.95+0.07%$26.95$26.93101 shs$24.26 million09/29/2025$26.93$26.93$26.95$26.911,744 shs$24.24 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. 09/26/2025$26.90$26.93+0.11%$26.93$26.871,144 shs$24.24 million09/25/2025$26.91$26.90-0.04%$26.92$26.845,580 shs$24.21 million09/24/2025$26.95$26.91-0.15%$26.91$26.891,350 shs$24.22 million09/23/2025$26.94$26.95+0.04%$26.95$26.916,120 shs$24.26 million09/22/2025$26.93$26.94+0.04%$26.94$26.912,225 shs$24.25 million09/19/2025$26.90$26.93+0.11%$26.93$26.932 shs$24.24 million09/18/2025$26.88$26.90+0.07%$26.93$26.901,842 shs$24.21 million09/17/2025$26.90$26.88-0.07%$26.91$26.842,903 shs$24.19 million09/16/2025$26.89$26.90+0.04%$26.90$26.882,575 shs$24.21 million09/15/2025$26.86$26.89+0.11%$26.89$26.853,301 shs$24.20 million09/12/2025$26.86$26.86$26.87$26.851,785 shs$24.17 million09/11/2025$26.81$26.86+0.19%$26.87$26.8418,293 shs$24.17 million09/10/2025$26.81$26.81$26.84$26.802,504 shs$24.13 million Related Companies FT Vest U.S. Equity Equal Weight Buffer ETF - June Stock Price Chart Acquirers Small and Micro Deep Value ETF Stock Price Chart Polen Capital International Growth ETF Stock Price Chart First Trust S&P 500 Diversified Dividend Aristocrats ETF Stock Price Chart AllianzIM U.S. Large Cap Buffer10 Mar ETF Stock Price Chart JPMorgan U.S. Research Enhanced Large Cap ETF Stock Price Chart Bancreek International Large Cap ETF Stock Price Chart QRAFT AI-Enhanced U.S. Large Cap Momentum ETF Stock Price Chart Calamos Nasdaq Equity & Income ETF Stock Price Chart AllianzIM U.S. Large Cap Buffer10 Jun 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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