CPSM Performance — Calamos S&P 500 Structured Alt Protection ETF - May

Data updated: 2026-10-09

CPSM returned +2.58% year to date and +5.00% over one year to Jul 2026. Over one year the fund trailed its Alternative category average: $100 grew to $105, against $108 for the category. Volatility over the past 12 months was 0.97% a year. In the 12 months to Jul 2026 the fund lost a net $10.6M, and assets reached $56.62M.

CPSM Growth of $100

What $100 invested in Calamos S&P 500 Structured Alt Protection ETF - May grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Alternative category average over the same months.

PeriodCPSMCategory average
1 year (Aug 2025 – Jul 2026)$105$108
Since data start (May 2024 – Jul 2026)$118$152

CPSM Trailing Returns

Total returns to Jul 2026, from SEC N-PORT.

PeriodTotal return
YTD+2.58%
1 year+5.00%
3 years (annualised)+7.49%

CPSM Annual Returns

Calendar-year total returns of Calamos S&P 500 Structured Alt Protection ETF - May, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–Jul)+2.58%
2025+7.11%
2024 (May–Dec)+7.07%

CPSM Monthly Returns

Monthly total returns as reported on SEC Form N-PORT.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+0.3%+0.3%+0.2%+0.6%+1.0%−0.2%+0.4%—————
2025+0.7%+0.3%−0.5%+1.6%+1.1%+1.0%+0.4%+0.4%+0.6%+0.5%+0.4%+0.4%
2024————+1.8%+1.1%+1.0%+0.9%+0.7%0.0%+1.2%+0.1%

CPSM Risk

Risk measures from monthly returns over Aug 2025 – Jul 2026.

  • 1-year volatility (annualised): 0.97%
  • Best month: +1.00% (May 2026)
  • Worst month: −0.20% (Jun 2026)

CPSM Fund Flows

Monthly money in and out of Calamos S&P 500 Structured Alt Protection ETF - May, from SEC Form N-PORT.

  • 12-month net flow: −$10.6M
  • 12-month gross sales (incl. reinvestments): $3.6M
  • Sales ÷ redemptions: 0.26×
MonthSalesRedemptionsNet flow
Jul 2026$0$0$0
Jun 2026$1.5M$0$1.5M
May 2026$1.5M$0$1.5M
Apr 2026$726K$1.5M−$725K
Mar 2026$0$0$0
Feb 2026$0$1.4M−$1.4M
Jan 2026$0$1.4M−$1.4M
Dec 2025$0$1.4M−$1.4M
Nov 2025$0$2.1M−$2.1M
Oct 2025$0$3.5M−$3.5M
Sep 2025$0$1.4M−$1.4M
Aug 2025$0$1.4M−$1.4M

CPSM Assets Under Management

Net assets of Calamos S&P 500 Structured Alt Protection ETF - May by report date, from SEC N-PORT filings.

Report dateNet assets
2026-07-31$56.62M
2026-04-30$53.03M
2026-01-31$54.65M
2025-10-31$59.00M
2025-07-31$64.42M
2025-04-30$55.36M
2025-01-31$66.72M
2024-10-31$71.98M
2024-07-31$107.80M

For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.