Calamos S&P 500 Structured Alt Protection ETF – April

Frequently Asked Questions About CPSP

What does CPSP invest in?

Calamos Structured Protected ETFs are engineered to allow investors to capture the positive price appreciation of the S&P 500, though this upside is limited by a predetermined cap. Simultaneously, these ETFs are designed to provide complete protection against any potential S&P 500 losses over a single one-year duration. It's important to note that this participation and protection are calculated prior to the deduction of fund fees and expenses.

What is the expense ratio of CPSP?

Calamos S&P 500 Structured Alt Protection ETF – April (CPSP) charges an expense ratio of 0.69%. This is the annual fee deducted from fund assets to cover management and operations.

How big is CPSP?

Calamos S&P 500 Structured Alt Protection ETF – April (CPSP) manages $23.9M in total assets. AUM determines bid-ask liquidity and the fund's vulnerability to closure. Funds below ~$50M are at higher risk of liquidation.

Is CPSP actively managed or an index fund?

CPSP is a passive index fund. It tracks a published benchmark by holding the constituents in their published weights. Index funds typically charge low expense ratios (CPSP's is 0.69%) because there's no security selection cost.

When was CPSP launched?

Calamos S&P 500 Structured Alt Protection ETF – April (CPSP) launched in April 2025 and is managed by Calamos.

How has CPSP performed?

CPSP's total return (price change plus reinvested distributions) is charted at the top of this page. Switch the price chart to Total Return and pick a 1-year, 3-year, 5-year, or 10-year window to read the compound annual growth rate (CAGR) over each horizon.