Calamos S&P 500 Structured Alt Protection ETF - December (CPSD)
$27.12▼ −0.10%
Close Sep 28, 2026 · split-adjusted
Sep 28, 2026$27.12▲ 6.26% in range
Sep 29, 2025Low $25.44 · High $27.15Sep 28, 2026
What changed · written from our data
As of Sep 28, 2026
Calamos S&P 500 Structured Alt Protection ETF - December closed at $27.12 on Sep 28, down 0.10%, 0.1% below its 52-week closing high. Volume of 1.2K shares was 0.55× its 20-day average (below normal).
Split-adjusted performance: +0.2% over one month, +5.1% over six months, +6.6% over one year.
Short interest was 1.2K shares at the Sep 15 settlement, down 54.6% from the prior report (1.0 days to cover).
No recent articles focused on Calamos S&P 500 Structured Alt Protection ETF - December.
Quick answers
What is CPSD's market cap?
$46.11M, based on the Sep 28 close of $27.12.
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