NYSEARCA:CPSO Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) Price, Holdings, & News $25.34 +0.04 (+0.16%) Closing price 04:10 PM EasternExtended Trading$25.34 +0.00 (+0.02%) As of 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisChartHoldingsOwnershipBuy This Stock About Calamos S&P 500 Structured Alt Protection ETF - October (NYSEARCA:CPSO) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get CPSO alerts:Sign Up Key Stats Today's Range$25.34▼$25.3450-Day Range$24.96▼$25.8052-Week Range$24.89▼$25.80Volume162 shsAverage Volume14,156 shsMarket Capitalization$18.37 millionAssets Under Management$15.83 millionDividend YieldN/ANet Expense Ratio0.69%Aggregate RatingN/A ETF OverviewThe Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) is an exchange-traded fund that mostly invests in large cap equity. The fund seeks to track the return of the SPDR S&P 500 ETF Trust (SPY), to a cap, with 100% downside hedge over a one-year outcome period. The actively managed fund holds FLEX options to obtain exposure CPSO was launched on Oct 1, 2024 and is issued by Calamos.Read More… Calamos S&P 500 Structured Alt Protection ETF - October ExpensesTypeCPSOLarge Cap ETFsEquity ETFsNYSEARCA ETFsAll ETFsManagement Fee0.69%0.59%0.56%0.51%0.53%Other Expenses0.00%0.30%0.48%0.56%0.52%Total Expense0.69%0.65%0.72%0.73%0.71%Fee Waiver0.00%-0.24%-0.49%-0.66%-0.54%Net Expense0.69%0.62%0.63%0.58%0.60% Receive CPSO Stock News and Ratings via Email Sign-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 CPSO ETF News HeadlinesNo headlines for this company have been tracked by MarketBeat.com CPSO ETF - Frequently Asked Questions How have CPSO shares performed this year? Calamos S&P 500 Structured Alt Protection ETF - October's stock was trading at $25.48 at the beginning of the year. Since then, CPSO shares have decreased by 0.5% and is now trading at $25.34. View the best growth stocks for 2025 here. How do I buy shares of Calamos S&P 500 Structured Alt Protection ETF - October? Shares of CPSO stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services. Fund Details IssuerCalamos Advisors Fund NameCalamos S&P 500 Structured Alt Protection ETF - October Tax ClassificationRegulated Investment Company Stock ExchangeNYSEARCACurrent SymbolNYSEARCA:CPSO Inception Date9/27/2024 Fund ManagerEli Pars, Jason Hill, David O'Donohue, Jimmy Young, Anthony Vecchiolla WebN/A PhoneN/AFund Focus Asset ClassEquity BenchmarkSPDR S&P 500 ETF Trust CategorySize and Style FocusLarge Cap Development LevelDeveloped Markets RegionNorth America Number of Holdings5 Fund Statistics Assets Under Management$17.66 million Average Daily Volume$0.00 Discount/Premium-0.03% Administrator, Advisor and Custodian AdministratorState Street Bank and Trust Company AdvisorCalamos Advisors LLC CustodianState Street Bank and Trust Company DistributorCalamos Financial Services LLC Transfer AgentState Street Bank and Trust Company TrusteeN/A Lead Market MakerWolverine Trading Miscellaneous Outstanding Shares725,001BetaN/A Creation Unit25,000 Creation Fee$250.00 Reduce the RiskMarket downturns give many investors pause, and for good reason. Wondering how to offset this risk? Enter your email address to learn more about using beta to protect your portfolio.Get This Free Report Top 4 CPSO Holdings4Spy 250930 C 0.80 4Spy 250930 C 0.80Holding Weight: 101.07%4Spy 250930 P 573.76 4Spy 250930 P 573.76Holding Weight: 3.06%UsdHolding Weight: 0.13%4Spy 250930 C 612.03 4Spy 250930 C 612.03Holding Weight: -4.27%Full Holdings DetailsCPSO Geographic ExposureCPSO Currency Exposure This page (NYSEARCA:CPSO) was last updated on 4/25/2025 by MarketBeat.com Staff From Our PartnersElon Set to Shock the World by May 1st ?Tech legend Jeff Brown recently traveled to the industrial zone of South Memphis to investigate what he believ...Brownstone Research | SponsoredGet Your Bank Account “Fed Invasion” Ready with THESE 4 Simple StepsStarting as soon as a few months from now, the United States government will make a sweeping change to bank ac...Weiss Ratings | SponsoredTrump purposefully forcing markets to crash…Whether you agree with the plan or not doesn’t matter. 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