All charts and data below are with dividends reinvested. (Inflation adjustment is OFF !)

Total Real Returns

CPST: Total Return Chart (with Dividends Reinvested)

CPST total return snapshot: CPST returned +5.98% over the past year and +3.20% YTD, with dividends reinvested. Since Sep. 3, 2024, CPST is up +12.69% in nominal total return, or +6.55%/yr, and is currently −0.11% below its total-return high on Jul. 22, 2026.

Data ending Thu Jul. 23, 2026

Growth of $10,000

Tue 2024-09-03💬 to Thu 2026-07-23 Overall
Return 		Exponential
Trendline
CPST × 		+12.69%
+6.55%/yr 		+6.61%/yr
R2=0.931
Calamos S&P 500 Structured Alt Protection ETF - September Exchange-Traded Fund

Growth of $10,000 Summary

Tue 2024-09-03💬 to Thu 2026-07-23 Start
Value 		End
Value
CPST × 		$10,000.00
2024-09-03 		$11,268.65
2026-07-23

This Year’s Performance

through 2026-07-23

  YTD YoY
CPST × 		+3.20% +5.98%

Drawdowns

  Current
Drawdown 		Worst
Drawdown
CPST × 		−0.11%
on 2026-07-23
from 2026-07-22 peak 		−3.79%
on 2025-04-08
from 2025-02-19 peak

Rolling Returns

Period ending Thu 2026-07-23 1 yr 2 yr 3 yr 5 yr 10 yr
CPST × 		+5.98% — — — —

Annual Returns

Year CPST
2026 (YTD) +3.20%
2025 +6.73%
2024 +2.30%