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Data as of Oct 28, 2026.

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CTAU vs VOO: Differences, Returns & Fees

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CTAU and VOO are measured over different days, and VOO charges 0.03% to CTAU's 0.30%.

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Net assets: $1.0m on Oct 28, 2026 for Corgi U.S. Equities 30% Structured Buffer ETF - August Series, and $1.0tn on Sep 30, 2026 for Vanguard S&P 500 ETF.

CTAU on its own →VOO on its own →
At a glance
+0.7%
CTAU total return, since launch, Aug 4, 2026
+13.7%
VOO total return, 1 year
0.30%
CTAU expense ratio
0.03%
VOO expense ratio

Pair scorecard

VOO costs 0.27 points a year less.

CTAU vs VOO: Differences, Returns & Fees
MeasureCTAUVOO
Return
Total return, 1 yearnot published+13.7%
Drawdown
Index fall to the buffer1.6%
Fund price fall to the buffer1.6%
Benchmark
What it tracksSPYS&P 500 Index
The outcome period
Buffer left, in index points30.0% of 30.0%
Days left in the period277
Period endsJul 31, 2027
Cost and size
Expense ratio0.30%0.03%
Net assets, CTAU as of Oct 28, 2026 and VOO as of Sep 30, 2026$1.0m$1.0tn
Holdings
Holdings in commonnot published
In the S&P 500, by weight100%
Top ten holdings, share of the fund39.1%

Method

Side by side

CTAU Corgi U.S. Equities 30% Structured Buffer ETF - August Series VOO Vanguard S&P 500 ETF
Where it sits Buffer ETF Stock ETF
Issuer Corgi Vanguard
What it is Defined outcome, 30% on SPY Tracks the S&P 500
Total return, 1 year +0.7% (since launch, Aug 4, 2026) +13.7%
Its benchmark over the same days +0.1% (SPY) (since launch, Aug 4, 2026) +13.7% (IVV)
Gap to its benchmark +0.6 pts vs SPY (since launch, Aug 4, 2026) 0.0 pts vs IVV
Expense ratio 0.30% 0.03%
Holdings not read by ETFIQ 507
Net assets, CTAU as of Oct 28, 2026 and VOO as of Sep 30, 2026 $1.0m $1.0tn

CTAU and VOO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

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About each fund
CTAU

277 days remained on Oct 27, 2026.

The fund's price can fall 1.6% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 1.6% from today's level to the point where the buffer begins. Protection left, in index points: 30.0% of the 30.0% buffer still sits below today's SPY level. On Jul 31, 2027 the period ends and a new cap is set.

VOO

VOO tracks the S&P 500. Over the year to Oct 28, 2026 it returned +13.7% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer as of Sep 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 507 positions, with the top ten at 39.1%.

Questions people ask

Are CTAU and VOO in the same category?
CTAU is a buffer ETF and VOO is a stock ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
Which is cheaper, CTAU or VOO?
VOO is cheaper, by 0.27 percentage points a year. That is about $27 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
CTAU vs IVVCTAU vs SPYCTAU vs SPYMVOO vs XJUNUMAR vs VOOPMAY vs VOOPNOV vs VOOVOO vs ZALT
Where to next
SPY →CTAU on its own →VOO on its own →Hold both: look the portfolio through →Rankings →VOO dividend history →VOO holdings →Standards and sources →
Sources and dates
CTAU filings on SEC EDGAR ↗
Corgi website ↗
VOO filings on SEC EDGAR ↗
VOO prospectus with the expense ratio (SEC) ↗
Vanguard page for VOO ↗

Links are sources, not endorsements. A comparison is not a recommendation.

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ETFIQ, CTAU against VOO, data as of Oct 28, 2026. https://etfiq.com/compare/any/ctau-vs-voo

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