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Calamos S&P 500 Structured Alt Protection ETF August (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 8.74% (the "Cap"), while protecting against 100% of negative price return of the Underlying ETF (before fees and expenses), for the period from August 1, 2024 through July 31, 2025. The Fund is an actively managed exchange-traded fund ("ETF") that is designed to provide investors with the opportunity to benefit from increases in the Underlying ETF's share price up to the stated cap over a specified period of time of approximately one-year (the "Outcome Period"), while providing protection against decreases in the Underlying ETF's share price over the same Outcome Period (before taking fees and expenses into account).
Calamos S&P 500 Structured Alt Protection ETF - August trades on the ARCA stock market under the symbol CPSA.
As of December 12, 2025, CPSA stock price declined to $26.85 with 980 million shares trading.
CPSA has a market cap of $45.64 million. This is considered a Sub-Micro Cap stock.
CPSA has underperformed the market in the last year with a return of +6.7%, while the SPY ETF gained +14.0%. In the last 3 month period, CPSA fell short of the market, returning +1.1%, while SPY returned +4.0%. However, in the most recent 2 weeks CPSA has outperformed the stock market by returning +0.2%, while SPY returned -0.2%.
CPSA support price is $26.83 and resistance is $26.94 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that CPSA shares will trade within this expected range on the day.
