Calamos S&P 500 Structured Alt Protection ETF - May
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Why Robinhood?
Robinhood gives you the tools you need to put your money in motion. You can buy or sell CPSM and other ETFs, options, and stocks.About CPSM
CPSM 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
Index-Tracked
CategoryDefined Outcome
CategoryDefined Outcome
Number of holdings8
Number of holdings8
Inception DateMay 1, 2024
Inception DateMay 1, 2024
What's in this fund
Top Holdings (123.85% of total assets)
As of August 31, 2025NameSymbol% Assets
4spy 260430 C 3.83 4spy 260430 C 3.83—104.98%
4spy 260430 C 593.36 4spy 260430 C 593.36—12.98%
4spy 260430 P 554.54 4spy 260430 P 554.54—1.62%
474879558 Trs Usd R E Mqautocl Trs—1.38%
474879558 Trs Usd P V 00msofr Sofr +0bp Bullet—1.24%
474932475 Trs Usd R E Mqautocl—0.87%
474932475 Trs Usd P V 00msofr Sofr +70bp—0.78%
CPSM Key Statistics
AUM59.03M
AUM59.03M
Price-Earnings ratio—
Price-Earnings ratio—
30-Day yield—
30-Day yield—
Average volume9.21K
Average volume9.21K
High today$28.39
High today$28.39
Low today$28.35
Low today$28.35
Open price$28.35
Open price$28.35
Volume64.83K
Volume64.83K
52 Week high$28.48
52 Week high$28.48
52 Week low$25.31
52 Week low$25.31
Expense ratio0.69
Expense ratio0.69