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Calamos S&P 500 Structured Alt Protection ETF - September

CPST · ETF

$28.16−$0.0288 (−0.10%)TodayMarket closed ·
Prev close $28.19

About CPST

CPST was created on 2024-09-03 by Calamos. The fund's investment portfolio concentrates primarily on downside hedge alternatives. CPST 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. The fund aims to outperform cash holdings.

Issuer
Calamos
Expense ratio
0.69%
Assets under management
$41.06M
Inception
Sep 3, 2024
Asset class
Alternatives
Website
calamos.com

CPST key statistics

Price-earnings ratio
0.00
Average volume
8.81K
Volume
781
Open price
$28.20
High today
$28.20
Low today
$28.16
52 Week high
$28.30
52 Week low
$26.68

Calamos S&P 500 Structured Alt Protection ETF - September (CPST) at a glance

As of Oct 23, 2026, Calamos S&P 500 Structured Alt Protection ETF - September (CPST) shares are priced at $28.16, giving the company a price-to-earnings ratio of 0.00.

Today the fund has traded between $28.16 and $28.20. The current price is 0.0% above the day's low and 0.1% below its high.

Volume so far is 781 shares, below the average of 8.81K shares a day.

Over the past year Calamos S&P 500 Structured Alt Protection ETF - September has ranged from $26.68 to $28.30, and now sits 91% of the way up that range.

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Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.