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 +6.58% over the past year and +3.28% YTD, with dividends reinvested. Since Sep. 3, 2024, CPST is up +12.77% in nominal total return, or +6.67%/yr, and is currently at its total-return high.

Data ending Wed Jul. 15, 2026

Tue 2024-09-03💬 to Wed 2026-07-15 YTD
Return
1 Year
Return
CPST
×
+3.28%
2026-07-15
+6.58%
2026-07-15
Calamos S&P 500 Structured Alt Protection ETF - September Exchange-Traded Fund

Returns

Tue 2024-09-03💬 to Wed 2026-07-15 Overall
Return
Exponential
Trendline
CPST
×
+12.77%
+6.67%/yr
+6.60%/yr
(R2=0.928)
Calamos S&P 500 Structured Alt Protection ETF - September Exchange-Traded Fund

Growth of $10,000

Tue 2024-09-03💬 to Wed 2026-07-15 Start
Value
End
Value
CPST
×
$10,000.00
2024-09-03
$11,276.77
2026-07-15
Calamos S&P 500 Structured Alt Protection ETF - September Exchange-Traded Fund

Annual Returns

Year CPST
2026 (YTD) +3.28%
2025 +6.73%
2024 +2.30%

Drawdowns

Tue 2024-09-03💬 to Wed 2026-07-15 Current
Drawdown
Worst
Drawdown
CPST
×
−3.79%
2025-04-08
from 2025-02-19 peak
Calamos S&P 500 Structured Alt Protection ETF - September Exchange-Traded Fund

Rolling Returns

Period ending Wed 2026-07-15 1
Year
2
Years
3
Years
5
Years
10
Years
CPST
×
+6.58%
Calamos S&P 500 Structured Alt Protection ETF - September Exchange-Traded Fund