Calamos S&P 500 Structured Alt Protection ETF - October (CPSO)

Assets	$28.40M
Expense Ratio	0.69%
PE Ratio	n/a
Shares Out	975,001
Dividend (ttm)	n/a
Dividend Yield	n/a
Ex-Dividend Date	n/a
Payout Frequency	n/a
Payout Ratio	n/a

Volume	28,495
Open	28.43
Previous Close	28.40
Day's Range	28.40 - 28.43
52-Week Low	26.73
52-Week High	28.55
Beta	0.18
Holdings	4
Inception Date	Oct 1, 2024

About CPSO

Fund Home Page

The Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) is an exchange-traded fund that mostly invests in downside hedge alternatives. The fund seeks to track the return of the SPDR S&P 500 ETF Trust (SPY), to a cap, with 100% downside hedge over a one-year outcome period. The actively managed fund holds FLEX options to obtain exposure CPSO was launched on Oct 1, 2024 and is issued by Calamos.

• Asset Class: Alternatives
• Category: Defined Outcome
• Region: North America
• Stock Exchange: NYSE Arca
• Ticker Symbol: CPSO
• ETF Provider: Calamos

Top Holdings

Name	Symbol	Weight
4spy 260930c00004600 4spy 260930 C 4.60	n/a	106.19%
4spy 260930p00666180 4spy 260930 P 666.18	n/a	0.45%
Usd	n/a	0.21%
4spy 260930c00708820 4spy 260930 C 708.82	n/a	-6.85%

Performance

CPSO had a total return of 5.83% in the past year, including dividends. Since the fund's inception, the average annual return has been 6.08%.

Data Sources: S&P Global Market Intelligence, CBOE, and more

Historical data is provided by S&P Global Market Intelligence. Real-time stock price data is provided by CBOE and 15-minute delayed consolidated tape pricing data is provided by Nasdaq UTP. Several fund data points are also provided by Finnhub.

Last checked:

Oct 3, 2026

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