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 +7.16% over the past year and +2.63% YTD, with dividends reinvested. Since Sep. 3, 2024, CPST is up +12.06% in nominal total return, or +6.64%/yr, and is currently −0.05% below its total-return high on Jun. 4, 2026.

Data ending Fri Jun. 12, 2026

Tue 2024-09-03💬 to Fri 2026-06-12 YTD
Return
1 Year
Return
CPST
×
+2.63%
2026-06-12
+7.16%
2026-06-12
Calamos S&P 500 Structured Alt Protection ETF - September NYSE Exchange-Traded Fund

Returns

Tue 2024-09-03💬 to Fri 2026-06-12 Overall
Return
Exponential
Trendline
CPST
×
+12.06%
+6.64%/yr
+6.59%/yr
(R2=0.918)
Calamos S&P 500 Structured Alt Protection ETF - September NYSE Exchange-Traded Fund

Growth of $10,000

Tue 2024-09-03💬 to Fri 2026-06-12 Start
Value
End
Value
CPST
×
$10,000.00
2024-09-03
$11,206.06
2026-06-12
Calamos S&P 500 Structured Alt Protection ETF - September NYSE Exchange-Traded Fund

Annual Returns

Year CPST
2026 (YTD) +2.63%
2025 +6.73%
2024 +2.30%

Drawdowns

Tue 2024-09-03💬 to Fri 2026-06-12 Current
Drawdown
Worst
Drawdown
CPST
×
−0.05%
from 2026-06-04 peak
−3.79%
2025-04-08
from 2025-02-19 peak
Calamos S&P 500 Structured Alt Protection ETF - September NYSE Exchange-Traded Fund

Rolling Returns

Period ending Fri 2026-06-12 1
Year
2
Years
3
Years
5
Years
10
Years
CPST
×
+7.16%
Calamos S&P 500 Structured Alt Protection ETF - September NYSE Exchange-Traded Fund