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Calamos S&P 500 Structured Alt Protection ETF – September ETF AnalysisComprehensive ETF analysis for Calamos S&P 500 Structured Alt Protection ETF – September (CPST) including NAV, expense ratio, sector breakdown, and holdings data.ETF AnalysisCPST
CPST
Calamos S&P 500 Structured Alt Protection ETF – September
CPST
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  3. Calamos S&P 500 Structured Alt Protection ETF – SeptemberCPSTETF
Calamos S&P 500 Structured Alt Protection ETF – September Logo

Calamos S&P 500 Structured Alt Protection ETF – September

ETF
🇺🇸CPST•AMEX•Equity

Your view on CPST

Calamos S&P 500 Structured Alt Protection ETF – September Logo

Calamos S&P 500 Structured Alt Protection ETF – September

ETFCalamos
🇺🇸CPST•AMEX•Equity
AUM (USD)$36.60M
Expense Ratio0.69%
Holdings5

Sentiment

AUM (USD)

$36.60M

Expense Ratio

0.69%

Holdings

5

Sentiment

CPST
Calamos S&P 500 Structured Alt Protection ETF – September
CPST

Overview for Calamos S&P 500 Structured Alt Protection ETF – September

Fund Type
ETF
Fund Issuer
Calamos
Asset Class
Equity
Sector
Financial Services
Industry
Asset Management
Inception Date
September 3, 2024
Domicile
US
Website
calamos.com/funds/etf/calamos-sp-500-structured-alt-protection-etf-september-cpst
Fund Type
ETF
Fund Issuer
Calamos
Asset Class
Equity
Sector
Financial Services
Industry
Asset Management
Inception Date
September 3, 2024
Domicile
US
Website
calamos.com/funds/etf/calamos-sp-500-structured-alt-protection-etf-september-cpst
Fund Type
ETF
Fund Issuer
Calamos
Asset Class
Equity
Sector
Financial Services
Industry
Asset Management
Inception Date
September 3, 2024
Domicile
US
Website
calamos.com/funds/etf/calamos-sp-500-structured-alt-protection-etf-september-cpst

About this fund

Calamos Structured Protected ETFs are designed to match the positive price return of the S&P 500 up to a defined cap while protecting against 100% of losses over a one-year period (before fees and expenses).

CPST Stock Price

Key Facts

Equity

Expense Ratio

0.69%

AUM

$36.60M

Fund Details

NAV$28.17 USD
Holdings5
Average Volume4.1K
Inception DateSeptember 3, 2024
Asset ClassEquity
Fund IssuerCalamos
DomicileUS
ISINUS12811T8861
CUSIP12811T886
NAV CurrencyUSD

Expense Ratio

0.69%

Assets Under Management

$36.60M

NAV

$28.17 USD

Holdings

5

Average Volume

4.1K

Inception Date

September 3, 2024

Asset Class

Equity

Fund Issuer

Calamos

Domicile

US

ISIN

US12811T8861

CUSIP

12811T886

NAV Currency

USD

Expense Ratio

0.69%

Assets Under Management

$36.60M

NAV

$28.17 USD

Holdings

5

Average Volume

4.1K

Inception Date

September 3, 2024

Asset Class

Equity

Fund Issuer

Calamos

Domicile

US

ISIN

US12811T8861

CUSIP

12811T886

NAV Currency

USD

Data last updated: Sep 15, 2026, 07:12 AM

Latest headlines and company announcements for this company. Press releases and market coverage, newest first.

News

Latest Market News

this company valued side by side against its closest peers. Peer-relative multiples and operating metrics, so the valuation is read in the context of its own sector rather than in isolation.

News

Latest Market News

What is CPST?

Calamos S&P 500 Structured Alt Protection ETF – September (CPST) is a Equity fund from Calamos, listed since 2024, with $36.6M in assets under management, a 0.69% expense ratio, a NAV of $28.17 USD.

What's in CPST? Top 5 holdings

HoldingWeight
SPDR S&P 500 ETF Trust (SPY) Long Call Option98.75%
SPDR S&P 500 ETF Trust (SPY) Long Put Option4.69%
Us Dollar0.75%
Net Other Assets-0.06%
SPDR S&P 500 ETF Trust (SPY) Short Call Option-4.12%

CPST sector breakdown

  • Cash & Others 100.00%

Comparable funds

  • AUGZTrueShares Structured Outcome (August) ETF
  • CPROCalamos Russell 2000 Structured Alt Protection ETF – October
  • CPSFCalamos S&P 500 Structured Alt Protection ETF – February
  • CPSNCalamos S&P 500 Structured Alt Protection ETF – November
  • JANZTrueShares Structured Outcome (January) ETF
  • JUNTAllianzIM U.S. Equity Buffer10 Jun ETF
  • PSCXPacer Swan SOS Conservative (January) ETF
  • PSFMPacer Swan SOS Flex (April) ETF

More Calamos ETFs

  • CPRYCalamos Russell 2000 Structured Alt Protection ETF – January
  • CPSACalamos S&P 500 Structured Alt Protection ETF – August
  • CPSJCalamos S&P 500 Structured Alt Protection ETF – July
  • CPSMCalamos S&P 500 Structured Alt Protection ETF – May
  • CPSOCalamos S&P 500 Structured Alt Protection ETF – October
  • CPSPCalamos S&P 500 Structured Alt Protection ETF – April
  • CPSRCalamos S&P 500 Structured Alt Protection ETF – March
  • CPSUCalamos S&P 500 Structured Alt Protection ETF – June
  • CPSYCalamos S&P 500 Structured Alt Protection ETF – January