NYSEARCA:CPST Calamos S&P 500 Structured Alt Protection ETF - September (CPST) Price, Holdings, & News $25.50 +0.04 (+0.14%) As of 09:02 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Stock Analysis Stock AnalysisChartHoldingsOwnership About Calamos S&P 500 Structured Alt Protection ETF - September (NYSEARCA:CPST) 30 days 90 days 365 days Advanced Chart View Price History Chart DataSkip Price History Chart Get CPST alerts:Sign Up Key Stats Today's Range$25.51▼$25.5150-Day Range$25.16▼$25.5152-Week Range$24.65▼$25.51Volume374 shsAverage Volume1,648 shsMarket CapitalizationN/AAssets Under Management$29.36 millionDividend YieldN/ANet Expense Ratio0.69%Aggregate RatingN/A ETF OverviewRead More… Calamos S&P 500 Structured Alt Protection ETF - September ExpensesTypeCPSTLarge Cap ETFsEquity ETFsNYSEARCA ETFsAll ETFsManagement Fee0.69%0.58%0.55%0.51%0.52%Other Expenses0.00%0.31%0.50%0.57%0.54%Total Expense0.69%0.65%0.72%0.73%0.71%Fee Waiver0.00%-0.25%-0.51%-0.66%-0.56%Net Expense0.69%0.62%0.62%0.58%0.59% Receive CPST Stock News and Ratings via Email Sign-up to receive the latest news and ratings for Calamos S&P 500 Structured Alt Protection ETF - September and its competitors with MarketBeat's FREE daily newsletter. Email Address CPST ETF News HeadlinesNo headlines for this company have been tracked by MarketBeat.com CPST ETF - Frequently Asked Questions How have CPST shares performed this year? Calamos S&P 500 Structured Alt Protection ETF - September's stock was trading at $25.32 at the beginning of 2025. Since then, CPST stock has increased by 0.7% and is now trading at $25.5050. View the best growth stocks for 2025 here. How do I buy shares of Calamos S&P 500 Structured Alt Protection ETF - September? Shares of CPST 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 - September Tax ClassificationRegulated Investment Company Stock ExchangeNYSEARCACurrent SymbolNYSEARCA:CPST Inception Date8/29/2024 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$29.36 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 SharesN/ABetaN/A Creation Unit25,000 Creation Fee$250.00 12 Stocks Corporate Insiders are AbandoningIf a company's CEO, COO, and CFO were all selling shares of their stock, would you want to know?Get This Free Report CPST Geographic ExposureCPST Currency Exposure This page (NYSEARCA:CPST) was last updated on 1/22/2025 by MarketBeat.com Staff From Our PartnersMedia Humiliated: Demo of Elon’s Tech Proves They’re WrongElon Musk believes his new AI product will be worth an incredible $9 trillion. 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