NYSEARCA:CPSO Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) Price, Holdings, & News $25.55 +0.07 (+0.27%) As of 04:10 PM Eastern 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$25.55▼$25.5950-Day Range$24.96▼$25.6852-Week Range$24.89▼$25.80Volume543 shsAverage Volume13,708 shsMarket Capitalization$18.52 millionAssets Under Management$15.93 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%-0.65%-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 start of the year. Since then, CPSO shares have increased by 0.3% and is now trading at $25.55. View the best growth stocks for 2025 here. Who are Calamos S&P 500 Structured Alt Protection ETF - October's major shareholders? Calamos S&P 500 Structured Alt Protection ETF - October's top institutional investors include Calamos Advisors LLC (27.99%). 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$15.93 million Average Daily Volume$0.00 Discount/Premium-0.02% 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 2025 Gold Forecast: A Perfect Storm for DemandUnlock the timeless value of gold with our exclusive 2025 Gold Forecasting Report. Explore why gold remains the ultimate investment for safeguarding wealth against inflation, economic shifts, and global uncertainties. Whether you're planning for future generations or seeking a reliable asset in turbulent times, this report is your essential guide to making informed decisions.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 5/2/2025 by MarketBeat.com Staff From Our PartnersThink NVDA’s run was epic? You ain’t seen nothin’ yetAsk most investors and they’ll probably tell you Nvidia is the undisputed AI stock of the decade. 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