NYSEARCA:CPST Calamos S&P 500 Structured Alt Protection ETF - September (CPST) Price, Holdings, & News $25.55 -0.04 (-0.16%) As of 05/23/2025 04:10 PM Eastern Add Compare Share Share Stock Analysis Stock AnalysisChartHoldingsOwnershipBuy This Stock 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$25.55▼$25.5550-Day Range$24.67▼$25.7352-Week Range$24.63▼$25.73Volume52 shsAverage Volume8,136 shsMarket Capitalization$24.91 millionAssets Under Management$24.91 millionDividend YieldN/ANet Expense Ratio0.69%Aggregate RatingN/A ETF OverviewThe Calamos S&P 500 Structured Alt Protection ETF - September (CPST) is an exchange-traded fund that mostly invests in large cap equity. Calamos S&P 500 Structured Alt Protection ETFTM September (the Fund) seeks to provide investment results that, before taking fees and expenses into account, match the positive price return of the SPDR S&P 500 ETF Trust (Underlying ETF) up to a cap of 7.50% (the Cap). CPST was launched on Sep 3, 2024 and is issued by Calamos.Read More… Calamos S&P 500 Structured Alt Protection ETF - September ExpensesTypeCPSTLarge Cap ETFsEquity ETFsNYSEARCA ETFsAll ETFsManagement Fee0.69%0.59%0.57%0.52%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 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 HeadlinesCalamos S&P 500 Structured Alt Protection ETF - September (NYSEARCA:CPST) Coverage Initiated at Wall Street ZenMay 23 at 2:21 AM | americanbankingnews.comSee More Headlines 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 shares have increased by 0.9% 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 - September's major shareholders? Calamos S&P 500 Structured Alt Protection ETF - September's top institutional investors include Burkett Financial Services LLC (0.44%). 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$24.91 million Average Daily Volume$0.00 Discount/Premium0.00% 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 Shares975,001BetaN/A Creation Unit25,000 Creation Fee$250.00 7 Stocks to Buy And Hold ForeverEnter your email address and we'll send you MarketBeat's list of seven stocks and why their long-term outlooks are very promising. Get This Free Report Top 4 CPST Holdings4Spy 250829 C 0.79 4Spy 250829 C 0.79Holding Weight: 97.04%4Spy 250829 P 563.68 4Spy 250829 P 563.68Holding Weight: 4.05%UsdHolding Weight: 0.19%4Spy 250829 C 606.01 4Spy 250829 C 606.01Holding Weight: -1.28%Full Holdings DetailsCPST Geographic ExposureCPST Currency Exposure This page (NYSEARCA:CPST) was last updated on 5/25/2025 by MarketBeat.com Staff From Our PartnersGold Hits New Highs as Global Markets SpiralWhen Trump took office in 2017, gold was just $1,100 an ounce. By the time he left, it had soared to $1,839. ...Premier Gold Co | SponsoredWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... 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