Calamos S&P 500 Structured Alt Protection ETF - September

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About CPST

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)

Index-Tracked

What's in this fund

Sectors

As of September 30, 2025

Technology33.56%

Financial Services12.65%

Healthcare11.47%

Consumer Cyclical9.95%

Communication Services8.76%

Industrials7.61%

Consumer Defensive5.72%

Energy3.44%

Utilities2.62%

Real Estate2.25%

Basic Materials1.97%

Top Holdings (111.73% of total assets)

As of September 30, 2025

NameSymbol% Assets

4spy 260831 C 4.45 4spy 260831 C 4.45—101.20%

4spy 260831 C 687.56 4spy 260831 C 687.56—6.24%

4spy 260831 P 645.05 4spy 260831 P 645.05—4.29%

CPST Key Statistics

AUM

31.51M

AUM31.51M

Price-Earnings ratio

—

Price-Earnings ratio—

30-Day yield

—

30-Day yield—

Average volume

3.01K

Average volume3.01K

High today

—

High today—

Low today

—

Low today—

Open price

—

Open price—

Volume

0.00

Volume0.00

52 Week high

$26.93

52 Week high$26.93

52 Week low

$24.63

52 Week low$24.63

Expense ratio

0.69

Expense ratio0.69

View Prospectus and Reports

Stock Snapshot

As of today, Calamos S&P 500 Structured Alt Protection ETF - September(CPST) shares are valued at $26.75. The company's market cap stands at 31.43M.

On 2025-11-24, Calamos S&P 500 Structured Alt Protection ETF - September(CPST) stock opened at —, reached a high of —, and a low of —.

Calamos S&P 500 Structured Alt Protection ETF - September(CPST) shares are trading with a volume of 0, against a daily average of 3.01K.

In the last year, Calamos S&P 500 Structured Alt Protection ETF - September(CPST) shares hit a 52-week high of $26.93 and a 52-week low of $24.63.