Calamos S&P 500 Structured Alt Protection ETF - September

Calamos S&P 500 Structured Alt Protection ETF - September is an actively managed exchange-traded fund designed to provide exposure to the price return of the SPDR S&P 500 ETF Trust while seeking to limit downside losses over a defined one-year outcome period. The fund uses a structured options-based approach tied to the S&P 500, aiming to deliver upside participation up to a stated cap while offering full downside protection if held through the outcome period, before fees and expenses. It is part of Calamos’ structured protection ETF lineup and serves investors looking for a defined-outcome equity strategy within a single fund. Calamos S&P 500 Structured Alt Protection ETF - September focuses on large-cap U.S. equities and plays a niche role in the market by combining equity market exposure with a risk-managed return profile.