What is CPSM's market cap?

$59.10M, based on the Sep 28 close of $29.55.

NYSE Arca · CPSM

Calamos S&P 500 Structured Alt Protection ETF - May (CPSM)

$29.55−0.14%

Close Sep 28, 2026 · split-adjusted

Sep 28, 2026$29.55▲ 4.49% in range

Sep 29, 2025Low $28.27 · High $29.62Sep 28, 2026

What changed · written from our data

As of Sep 28, 2026

Calamos S&P 500 Structured Alt Protection ETF - May closed at $29.55 on Sep 28, down 0.14%, 0.2% below its 52-week closing high. Volume of 2.8K shares was 1.13× its 20-day average (close to normal).

Split-adjusted performance: +0.0% over one month, +2.7% over six months, +4.6% over one year.

Short interest was 4.4K shares at the Sep 15 settlement, down 7.3% from the prior report (2.0 days to cover).

Market cap$59.1M2.0M shares

Revenue · quarter——

Diluted EPS——

P/E · TTM—

Net margin—

Dividend yieldNone

52-week range28.25 – 29.62−0.2% from high

Volume2.8K1.13× 20-day avg

Volatility · 60d1.5%Annualised

Short % of float—2.0 days to cover

Net cash—

Next earnings—Not scheduled

Split-adjusted performance

1W −0.2%1M 0.0%3M +1.3%6M +2.7%YTD +3.2%1Y +4.6%3Y —5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within industry

Not enough peers to rank

6-month momentum—

Revenue growth—

Net margin—

Value (low P/E)—

Size—

Short interest

Details →

Shares short4.4K−7.3% vs prior

Days to cover2.0Settled Sep 15

% of float—

Short vol. 10d30.6%of daily volume

News about Calamos S&P 500 Structured Alt Protection ETF - May

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Quick answers

What is CPSM's market cap?: $59.10M, based on the Sep 28 close of $29.55.

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology