Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) Chart & Stock Price History $26.56 +0.03 (+0.11%) As of 04:10 PM Eastern Add Compare Share Share Chart Stock AnalysisChartHoldingsOwnershipBuy This Stock Calamos S&P 500 Structured Alt Protection ETF - October Stock Price Performance The Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) fund chart highlights key performance trends across multiple timeframes. Since the beginning of the year, the fund increased 4.24%. In the past month, the fund has increased 0.99%, reflecting recent market activity. As of the latest close, Calamos S&P 500 Structured Alt Protection ETF - October traded at $26.53 with a market cap of $18.57 million and volume of 321 shares. Receive CPSO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - October and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+0.30%1 Month Performance+0.99%3 Month Performance+2.91%Year-To-Date Performance+4.24% CPSO Stock Chart for Friday, August, 15, 2025 CPSO Chart by TradingView Calamos S&P 500 Structured Alt Protection ETF - October 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 Capitalization08/15/2025$26.53$26.56+0.11%$26.56$26.53127 shs$17.93 million08/14/2025$26.56$26.53-0.11%$26.53$26.52321 shs$18.57 million08/13/2025$26.55$26.56+0.04%$26.56$26.524,308 shs$18.59 million08/12/2025$26.47$26.55+0.30%$26.55$26.502,065 shs$18.59 million08/11/2025$26.48$26.47-0.04%$26.48$26.47848 shs$17.87 million08/08/2025$26.46$26.48+0.08%$26.48$26.481 shs$17.87 million08/07/2025$26.46$26.46$26.46$26.46896 shs$17.86 million08/06/2025$26.42$26.46+0.15%$26.46$26.46896 shs$17.86 million08/05/2025$26.43$26.42-0.04%$26.42$26.421,720 shs$17.83 million08/04/2025$26.35$26.43+0.30%$26.44$26.441,973 shs$17.84 million Get the Latest News and Ratings for CPSO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Calamos S&P 500 Structured Alt Protection ETF - October and its competitors with MarketBeat's FREE daily newsletter. 08/01/2025$26.42$26.35-0.26%$26.36$26.361,993 shs$17.79 million07/31/2025$26.44$26.42-0.08%$26.44$26.405,323 shs$17.83 million07/30/2025$26.44$26.44$26.48$26.404,322 shs$17.85 million07/29/2025$26.45$26.44-0.04%$26.49$26.44130 shs$17.85 million07/28/2025$26.45$26.45$26.45$26.451 shs$17.85 million07/25/2025$26.42$26.45+0.11%$26.45$26.451 shs$17.85 million07/24/2025$26.41$26.42+0.04%$26.42$26.421 shs$17.83 million07/23/2025$26.37$26.41+0.15%$26.43$26.38471 shs$17.83 million07/22/2025$26.36$26.37+0.04%$26.40$26.333,908 shs$17.80 million07/21/2025$26.36$26.36$26.41$26.366,328 shs$17.79 million07/18/2025$26.34$26.36+0.08%$26.38$26.359,531 shs$17.79 million07/17/2025$26.31$26.34+0.11%$26.37$26.345,597 shs$17.78 million07/16/2025$26.30$26.31+0.04%$26.31$26.31176 shs$17.76 million07/15/2025$26.31$26.30-0.04%$26.30$26.30235 shs$17.75 million07/14/2025$26.31$26.31$26.31$26.271,022 shs$17.76 million Related Companies QRMI Stock Chart MVPL Stock Chart SEPT Stock Chart AZAA Stock Chart LIVR Stock Chart MAYT Stock Chart RSDE Stock Chart CDEI Stock Chart KSPY Stock Chart GNOV Stock Chart Receive CPSO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - October and its competitors with MarketBeat's FREE daily newsletter. This page (NYSEARCA:CPSO) was last updated on 8/15/2025 by MarketBeat.com Staff From Our PartnersTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredAlex’s “Next Magnificent Seven” stocksThe original “Magnificent Seven” turned $7K into $1.18 million. Now, Alex Green has identified AI’s Next Ma...The Oxford Club | SponsoredGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. B...Priority Gold | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredElon’s Secret Social Security BombshellTo All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...Banyan Hill Publishing | SponsoredTrump set to Boost Social Security Checks by 400%?If you're collecting or planning to collect social security... You should see this presentation about Presi...InvestorPlace | SponsoredThe End of Elon Musk…?The End of Elon Musk? Don't make him laugh. Jeff Brown has been hearing this same tired story for years, an...Brownstone Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Calamos S&P 500 Structured Alt Protection ETF - October Please log in to your account or sign up in order to add this asset to your watchlist. Share Calamos S&P 500 Structured Alt Protection ETF - October With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
MarketBeat All Access