NYSEARCA:CPSO Calamos S&P 500 Structured Alt Protection ETF October (CPSO) Price, Holdings, & News $25.43 +0.06 (+0.24%) As of 11:08 AM Eastern This is a fair market value 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$25.36▼$25.4250-Day Range$25.28▼$25.8052-Week Range$25.21▼$25.80Volume18,600 shsAverage Volume14,788 shsMarket Capitalization$18.44 millionAssets Under Management$18.43 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… Remove Ads 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%0.49%0.57%0.52%Total Expense0.69%0.65%0.72%0.73%0.71%Fee Waiver0.00%-0.24%-0.50%-0.66%-0.55%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 2025. Since then, CPSO stock has decreased by 0.2% and is now trading at $25.43. 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$18.43 million Average Daily Volume$0.00 Discount/Premium-0.04% 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 7 AI Stocks to Invest in Today: Capitalizing on AI and Tech Trends in 2025Discover the top 7 AI stocks to invest in right now. This exclusive report highlights the companies leading the AI revolution and shaping the future of technology in 2025.Get This Free Report Top 4 CPSO Holdings4Spy 250930 C 0.80 4Spy 250930 C 0.80Holding Weight: 102.38%4Spy 250930 P 573.76 4Spy 250930 P 573.76Holding Weight: 2.79%UsdHolding Weight: 0.13%4Spy 250930 C 612.03 4Spy 250930 C 612.03Holding Weight: -5.30%Full Holdings Details This page (NYSEARCA:CPSO) was last updated on 4/2/2025 by MarketBeat.com Staff From Our PartnersDOGE could send 6 AI stocks through the roofStay alert for Elon Musk and the Department of Government Efficiency's next move … Expect an announcement f...Weiss Ratings | SponsoredTrump Allies Confirm Exec Order 14024 Triggers Dollar CollapseExecutive Order 14024 is paving the way for irreversible damage to the dollar's value—threatening your wealth,...Priority Gold | SponsoredMost gold “analysts” aren’t really gold analysts… [watch out]People who don’t understand the gold market are about to lose a lot of money. 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