Calamos S&P 500 Structured Alt Protection ETF - April

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About CPSP

CPSP 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.

Index-Tracked

What's in this fund

Top Holdings (128.90% of total assets)

As of September 30, 2025

NameSymbol% Assets

4Spy 260331 C 0.78 4Spy 260331 C 0.78—113.21%

4Spy 260331 C 602.91 4Spy 260331 C 602.91—14.51%

4Spy 260331 P 559.39 4Spy 260331 P 559.39—1.18%

CPSP Key Statistics

AUM

15.52M

AUM15.52M

Price-Earnings ratio

—

Price-Earnings ratio—

30-Day yield

—

30-Day yield—

Average volume

289.80

Average volume289.80

High today

—

High today—

Low today

—

Low today—

Open price

—

Open price—

Volume

0.00

Volume0.00

52 Week high

$25.85

52 Week high$25.85

52 Week low

$24.20

52 Week low$24.20

Expense ratio

0.69

Expense ratio0.69

View Prospectus and Reports

Stock Snapshot

Calamos S&P 500 Structured Alt Protection ETF - April(CPSP) stock is priced at $25.81, giving the company a market capitalization of 15.49M.

During the trading day, Calamos S&P 500 Structured Alt Protection ETF - April(CPSP) stock saw an opening price of —, a peak of —, and a bottom of —.

Trading activity shows a volume of 0, compared to an average daily volume of 289.8.

The stock's 52-week range extends from a low of $24.20 to a high of $25.85.