CPSA vs OEI

Comparison between CALAMOS S&P 500 STRUCTURED ALT PROTECTION ETF - AUGUST (CPSA, ETF) and OPTIMIZED EQUITY INCOME ETF (OEI, ETF).

CPSA vs OEI - Performance Comparison

Log

Key Characteristics

Financial metrics and valuation ratios

Metric	CPSA(ETF)	OEI(ETF)
Net Assets	$42M	$42M
Expense Ratio	0.69%	0.75%
Max Drawdown	4.72%	7.89%
Sharpe Ratio	1.57	0.90
5Y Beta	0.22	0.69
P/E Ratio	N/A	28.10
Forward P/E	N/A	21.96
PEG Ratio	N/A	0.49
5Y EPS CAGR	N/A	27.34%
Debt to Equity	N/A	18.67%
P/S Ratio	N/A	4.86
P/B Ratio	N/A	6.10

Net Assets

CPSA

$42M

Winner

OEI

$42M

Expense Ratio

Winner

CPSA

0.69%

OEI

0.75%

Max Drawdown

Winner

CPSA

4.72%

OEI

7.89%

Sharpe Ratio

Winner

CPSA

1.57

OEI

0.90

5Y Beta

Winner

CPSA

0.22

OEI

0.69

P/E Ratio

CPSA

N/A

OEI

28.10

Forward P/E

CPSA

N/A

OEI

21.96

PEG Ratio

CPSA

N/A

OEI

0.49

5Y EPS CAGR

CPSA

N/A

OEI

27.34%

Debt to Equity

CPSA

N/A

OEI

18.67%

P/S Ratio

CPSA

N/A

OEI

4.86

P/B Ratio

CPSA

N/A

OEI

6.10

CPSA vs OEI - Historical Returns

Returns include dividend reinvestment.

Period	CPSA	OEI
1 month	+0.53%	+0.05%
3 months	+2.59%	+4.26%
6 months	+3.15%	+4.95%
1 year	+7.61%	N/A
Max(CAGR)	+7.45%	+13.04%

Winner

CPSA

+0.53%

OEI

+0.05%

CPSA

+2.59%

Winner

OEI

+4.26%

CPSA

+3.15%

Winner

OEI

+4.95%

CPSA

+7.61%

OEI

N/A

Max(CAGR)

CPSA

+7.45%

Winner

OEI

+13.04%

CPSA vs OEI - Annual Returns (2024 - 2026)

Returns include dividend reinvestment.

Year	CPSA	OEI
2026	+2.78%	+3.88%
2025	+7.26%	+4.08%
2024	+3.51%	N/A

CPSA vs OEI Drawdown Comparison

The maximum drawdown for CPSA was -4.72%, occurring on Apr 8, 2025. Recovery took 60 trading sessions.

The maximum drawdown for OEI was -6.48%, occurring on Mar 30, 2026. Recovery took 57 trading sessions.

The current OEI drawdown is -1.35%.

Rank	CPSA	OEI
#1	-4.72% Feb 19, 2025 - May 15, 2025	-6.48% Feb 2, 2026 - Apr 24, 2026
#2	-1.47% Feb 26, 2026 - Apr 8, 2026	-3.50% Nov 12, 2025 - Dec 3, 2025
#3	-0.93% Jan 24, 2025 - Feb 11, 2025	-2.79% May 29, 2026 - Jun 10, 2026
#4	-0.86% May 19, 2025 - Jun 3, 2025	-1.84% Dec 11, 2025 - Dec 22, 2025
#5	-0.79% Oct 28, 2025 - Nov 28, 2025	-1.61% Oct 29, 2025 - Nov 12, 2025
#6	-0.77% Aug 30, 2024 - Sep 13, 2024	-1.31% Jan 12, 2026 - Jan 26, 2026
#7	-0.62% Dec 11, 2024 - Dec 24, 2024	-0.66% May 6, 2026 - May 20, 2026
#8	-0.57% Aug 1, 2024 - Aug 13, 2024	-0.65% Dec 24, 2025 - Jan 5, 2026
#9	-0.53% Dec 24, 2024 - Jan 15, 2025	-0.38% Apr 27, 2026 - Apr 30, 2026
#10	-0.49% Oct 8, 2025 - Oct 21, 2025	-0.30% Jan 6, 2026 - Jan 9, 2026
#11	-0.46% Oct 29, 2024 - Nov 6, 2024	-0.30% May 1, 2026 - May 6, 2026
#12	-0.37% Nov 11, 2024 - Nov 25, 2024	-0.16% Dec 5, 2025 - Dec 10, 2025
#13	-0.37% Jan 27, 2026 - Feb 9, 2026	-0.11% Dec 3, 2025 - Dec 5, 2025
#14	-0.37% Aug 13, 2025 - Aug 22, 2025	-0.00% Jan 27, 2026 - Jan 29, 2026
#15	-0.36% Sep 25, 2024 - Oct 11, 2024	N/A