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CPSLvsSPBUETF Comparison

ETF 1
CPSL

Calamos Laddered S&P 500 Structured Alt Protection ETF

This fund is part of
Options Strategies
-0.49%
VS
ETF 2
SPBU

AllianzIM Buffer15 Uncapped Allocation ETF

This fund is part of
Options Strategies
-0.49%

Calamos Laddered S&P 500 Structured Alt Protection ETF (CPSL) and AllianzIM Buffer15 Uncapped Allocation ETF (SPBU) have similar underlying exposures to countries and sectors. They also belong to the same industry segment: Options Strategies. CPSL is less expensive with a Total Expense Ratio (TER) of 0.79%, versus 0.84% for SPBU. CPSL is up 3.68% year-to-date (YTD) with +$54M in YTD flows. SPBU performs better with 8.5% YTD performance, and +$73M in YTD flows. Run a side-by-side ETF comparison of CPSL and SPBU below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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CPSL vs SPBU performance and flow charts

Performance

-1.5-1.0-0.50.00.5%Aug 10Aug 17Aug 24Aug 31Sep 7

Cumulative Flows

0 M5 M10 M15 MAug 10Aug 17Aug 24Aug 31Sep 7

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Historic performance and flows
Data as of 09/10/2026
1M3MYTD1Y3Y5Y
Perf.
CPSL
SPBU
+0.14%-1.33%
+1.47%+2.40%
+3.68%+8.50%
+5.46%+13.04%
n/an/a
n/an/a
Flows
CPSL
SPBU
+$18M+$8M
+$37M+$28M
+$54M+$73M
+$65M+$114M
--
--
Volatility and drawdown
3M1Y3Y5Y
Volatility
CPSL
SPBU
+1.68%+10.63%
+1.80%+10.52%
n/an/a
n/an/a
Max drawdown
CPSL
SPBU
-0.32%-2.97%
-1.09%-6.86%
n/an/a
n/an/a
Max drawdown duration
CPSL
SPBU
15d19d
41d93d
n/an/a
n/an/a
Trading data

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CPSL
SPBU
Last sale
9/11/2026 at 1:30 PM
$28.28
$30.57
Previous close
09/10/2026
$28.24
$30.37
Consolidated volume
09/10/2026
Average volume
30 days
Average discount or premium
30 days
Average Bid/Ask spread
30 days
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Main metrics
Last update 9/11/2026 at 1:30 PM
Live
Closed
CPSL
SPBU
Last price
$28.28
$30.57
1D performance
+0.14%
+0.66%
AuM$150.92 M$189.29 M
E/R0.79%0.84%
Characteristics
CPSL
SPBU
Management strategyActiveActive
ProviderCalamos InvestmentsAllianz Investment Management LLC
Benchmark--
N° of holdings11
Asset class--
Trailing 12m distribution yield
Join
Join
Inception dateSeptember 9, 2024March 5, 2025
ESGNoNo
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Exposure

Countries

CPSL
Other
100%
SPBU
Other
100%

Sectors

CPSL
Other
100%
SPBU
Other
100%
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Diversification

CPSL

Total weight of top 12 holdings out of 12

99.91%
SPBU

Total weight of top 12 holdings out of 12

100.01%

Top 15 holdings

Data as of July 31, 2026
CPSL
US12811T8861
8.34%
US12811T7046
8.34%
US12811T8291
8.34%
US12811T7954
8.33%
US12811T8036
8.33%
US12811T7871
8.33%
US12811T8119
8.33%
US12811T7616
8.33%
US12811T7533
8.32%
US12811T7798
8.32%
US12811T6055
8.31%
US12811T7467
8.29%
SPBU
US00888H5880
8.46%
US00888H5963
8.42%
US00888H5708
8.38%
US00888H5625
8.38%
US00888H5542
8.34%
US00888H5138
8.32%
US00888H4974
8.31%
US00888H5393
8.30%
US00888H5476
8.30%
US00888H4891
8.30%
US00888H5211
8.28%
US00888H6128
8.23%
Frequently asked questions about CPSL and SPBU

How have the CPSL and SPBU ETFs performed in 2026?

As of September 10, 2026, CPSL is up 3.68% year-to-date (YTD), while SPBU has returned 8.5%. That puts SPBU better performer ahead so far this year.

Which ETF is attracting more investor money: CPSL or SPBU?

Year-to-date, the CPSL ETF saw +$54M in flows, compared to +$73M for SPBU.

Which ETF is more volatile: CPSL or SPBU?

Over the past year, CPSL had a volatility of 1.8%, while SPBU experienced 10.52%.

Which ETF is bigger: CPSL or SPBU?

As of September 10, 2026, CPSL holds $150.92 M in assets under management (AUM), while SPBU manages $189.29 M.

What are the top holdings of the CPSL ETF and SPBU ETF?

CPSL top holdings include US12811T8861, US12811T7046 and US12811T8291. SPBU holds in its top three: US00888H5880, US00888H5963 and US00888H5708.

Which ETF is more diversified: CPSL or SPBU?

CPSL has 12 securities and SPBU has 12 securities.

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