Calamos S&P 500 Structured Alt Protection ETF - May (CPSM) Chart & Stock Price History $28.02 -0.05 (-0.18%) As of 04:10 PM Eastern Add Compare Share Share Chart Stock AnalysisChartHeadlinesHoldingsOwnershipShort InterestBuy This Stock Calamos S&P 500 Structured Alt Protection ETF - May Stock Price Performance The Calamos S&P 500 Structured Alt Protection ETF - May (CPSM) fund chart highlights key performance trends across multiple timeframes. Over the last 12 months, the fund's price has increased 7.11%, with a year-to-date return of 4.94%. In the past month, the fund has increased 0.36%, reflecting recent market activity. As of the latest close, Calamos S&P 500 Structured Alt Protection ETF - May traded at $28.07 with a market cap of $64.56 million and volume of 2,509 shares. Receive CPSM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - May and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-0.18%1 Month Performance+0.36%3 Month Performance+1.67%Year-To-Date Performance+4.94%1 Year Performance+7.11% CPSM Stock Chart for Thursday, August, 21, 2025 CPSM Chart by TradingView Calamos S&P 500 Structured Alt Protection ETF - May 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 Capitalization08/21/2025$28.07$28.02-0.18%$28.07$28.025,131 shs$64.45 million08/20/2025$28.05$28.07+0.07%$28.07$28.012,509 shs$64.56 million08/19/2025$28.07$28.05-0.07%$28.09$28.04836 shs$64.52 million08/18/2025$28.07$28.07$28.08$28.055,030 shs$64.56 million08/15/2025$28.08$28.07-0.04%$28.12$28.041,851 shs$64.56 million08/14/2025$28.08$28.08$28.11$28.031,638 shs$64.58 million08/13/2025$28.05$28.08+0.11%$28.09$28.033,920 shs$64.58 million08/12/2025$28.04$28.05+0.04%$28.06$28.027,650 shs$64.52 million08/11/2025$28.02$28.04+0.07%$28.06$28.026,671 shs$64.49 million08/08/2025$27.99$28.02+0.11%$28.02$28.02128 shs$64.45 million Get the Latest News and Ratings for CPSM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Calamos S&P 500 Structured Alt Protection ETF - May and its competitors with MarketBeat's FREE daily newsletter. 08/07/2025$28.00$27.99-0.04%$28.03$27.995,211 shs$64.38 million08/06/2025$27.99$28.00+0.04%$28.01$27.977,456 shs$64.40 million08/05/2025$28.01$27.99-0.07%$28.03$27.9512,418 shs$64.38 million08/04/2025$27.96$28.01+0.18%$28.02$27.979,418 shs$64.42 million08/01/2025$27.96$27.96$27.96$27.8814,849 shs$64.31 million07/31/2025$27.97$27.96-0.04%$28.02$27.948,922 shs$64.31 million07/30/2025$27.99$27.97-0.07%$28.04$27.868,521 shs$64.33 million07/29/2025$27.98$27.99+0.04%$28.07$27.972,561 shs$64.38 million07/28/2025$27.96$27.98+0.07%$28.00$27.966,416 shs$64.35 million07/25/2025$27.95$27.96+0.04%$28.00$27.94774 shs$64.31 million07/24/2025$27.89$27.95+0.22%$27.99$27.933,106 shs$64.29 million07/23/2025$27.94$27.89-0.18%$27.96$27.894,862 shs$64.15 million07/22/2025$27.92$27.94+0.07%$27.97$27.89495 shs$64.26 million07/21/2025$27.92$27.92$27.96$27.8922,424 shs$64.22 million Related Companies Invesco S&P 500 Value with Momentum ETF Stock Chart MRP SynthEquity ETF Stock Chart AllianzIM U.S. Large Cap Buffer20 Sep ETF Stock Chart AllianzIM U.S. Equity Buffer15 Uncapped Jan ETF Stock Chart AllianzIM U.S. Large Cap Buffer10 Oct ETF Stock Chart AllianzIM U.S. Large Cap Buffer20 Jun ETF Stock Chart AllianzIM U.S. Large Cap Buffer10 Oct ETF Stock Chart AllianzIM U.S. Large Cap Buffer10 Jan ETF Stock Chart BNY Mellon Emerging Markets Equity ETF Stock Chart AllianzIM U.S. Large Cap Buffer20 Apr ETF Stock Chart Receive CPSM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - May and its competitors with MarketBeat's FREE daily newsletter. 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