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 (132.90% of total assets)

As of October 31, 2025

NameSymbol% Assets

4Spy 260331 C 0.78 4Spy 260331 C 0.78—115.52%

4Spy 260331 C 602.91 4Spy 260331 C 602.91—16.42%

4Spy 260331 P 559.39 4Spy 260331 P 559.39—0.96%

CPSP Key Statistics

AUM

15.62M

AUM15.62M

Price-Earnings ratio

—

Price-Earnings ratio—

30-Day yield

—

30-Day yield—

Average volume

621.30

Average volume621.30

High today

—

High today—

Low today

—

Low today—

Open price

—

Open price—

Volume

0.00

Volume0.00

52 Week high

$26.00

52 Week high$26.00

52 Week low

$24.20

52 Week low$24.20

Expense ratio

0.69

Expense ratio0.69

View Prospectus and Reports

Stock Snapshot

With a market cap of 15.6M, Calamos S&P 500 Structured Alt Protection ETF - April(CPSP) trades at $26.00.

On 2025-12-15, Calamos S&P 500 Structured Alt Protection ETF - April(CPSP) stock opened at —, reached a high of —, and a low of —.

The Calamos S&P 500 Structured Alt Protection ETF - April(CPSP)'s current trading volume is 0, compared to an average daily volume of 621.3.

During the past year, Calamos S&P 500 Structured Alt Protection ETF - April(CPSP) stock moved between $24.20 at its lowest and $26.00 at its peak.