Data as of Oct 28, 2026.

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BAUG vs SPY: Differences, Returns & Fees

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Over the year to Oct 28, 2026, BAUG returned +12.1% to SPY's +13.6%, and SPY charges 0.09% to BAUG's 0.79%.

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Net assets: $271m on Oct 28, 2026 for Innovator U.S. Equity Buffer ETF - Aug, and $814.8bn on Oct 27, 2026 for SPDR S&P 500 ETF Trust.

At a glance
+12.1%
BAUG total return, 1 year
+13.6%
SPY total return, 1 year
0.79%
BAUG expense ratio
0.09%
SPY expense ratio

Pair scorecard

SPY costs 0.70 points a year less; their one-year returns differ by 1.5 points; SPY is far larger, $814.8bn against $270m.

BAUG vs SPY: Differences, Returns & Fees
MeasureBAUGSPY
Return
Total return, 1 year+12.1%+13.6%
Drawdown
Index fall to the buffer3.2%
Fund price fall to the buffer2.9%
Benchmark
What it tracksSPYS&P 500 Index
The outcome period
Room to the cap14.4%
Buffer left, in index points9.0% of 9.0%
Days left in the period276
Period endsJul 31, 2027
Cost and size
Expense ratio0.79%0.09%
Net assets, as of Oct 27, 2026$270m$814.8bn
Holdings
Holdings in commonnot published
In the S&P 500, by weight100%
Top ten holdings, share of the fund38.1%

Method

Risk and return

Aug 9, 2019 to Oct 23, 2026 · 376 weekly returns
BAUG SPY
Return
Total return edge SPY +123.1% +189.5%
Annualized edge SPY +11.7% +15.8%
Price return edge SPY +123.1% +160.6%
Risk
Volatility edge BAUG 12.6% 18.4%
Max drawdown edge BAUG −23.3% −31.8%
Downside capture 73.5% 100.0%
Beta 0.67 1.00
Risk-adjusted
Sharpe edge SPY (slight) 0.72 0.74
Sortino edge SPY (slight) 1.04 1.07
Treynor 0.134 0.133
Calmar edge Tie 0.50 0.50
Against the benchmark
Alpha −0.1% a year −0.1% a year
Alpha t-stat −0.09 −0.51
Information ratio −0.70 −0.15
Tracking error 6.5% 0.4%

Each against its own benchmark: BAUG against SPY, Aug 9, 2019 to Oct 23, 2026; SPY against VOO, Sep 17, 2010 to Oct 23, 2026.

Reading

SPY returned more: +189.5% to +123.1%. BAUG swung less: 12.6% to 18.4%. BAUG fell less at its worst: −23.3% to −31.8%.

Full scorecard

19 measures, with how each is measured
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Risk and return: BAUG vs SPY: Differences, Returns & Fees
MeasureBAUGSPYEdgeHow it is measured
Return
Total return+123.1%+189.5%SPYPrice change plus distributions, reinvested.
Annualized+11.7%+15.8%SPYTotal return as a yearly rate.
Price return+123.1%+160.6%SPYPrice change alone, distributions left out.
Risk
Volatility12.6%18.4%BAUGSpread of weekly returns, annualized. Lower is steadier.
Downside deviation8.7%12.6%BAUGLike volatility, counting only weeks below the Treasury bill rate.
Max drawdown−23.3%−31.8%BAUGDeepest fall from a high to the low after it.
Upside capture55.6%99.8%Share of its benchmark's rise caught in the weeks it rose.
Downside capture73.5%100.0%Share of its benchmark's fall taken in the weeks it fell. Lower is better.
Beta0.671.00Not an edgeHow far it moves for each 1% its benchmark moves.
R squared0.961.00Not an edgeShare of its weekly moves its benchmark explains.
Risk-adjusted
Sharpe0.720.74SPY (slight)Return above Treasury bills per unit of volatility.
Sortino1.041.07SPY (slight)Return above Treasury bills per unit of downside deviation.
Treynor0.1340.133Return above Treasury bills per unit of beta.
Calmar0.500.50TieAnnualized return divided by the max drawdown.
Against the benchmark
BenchmarkSPYVOOThe ETF each fund is measured against.
Alpha−0.1% a year−0.1% a yearNot significantYearly return beyond what its beta to the benchmark predicts.
Alpha t-stat−0.09−0.51Not an edgeHow sure the alpha is. Below 2, it could be chance.
Alpha range−1.9% to +1.7%−0.3% to +0.1%Includes zeroThe 95% range for the yearly alpha.
Information ratio−0.70−0.15Return against its benchmark per unit of tracking error.
Tracking error6.5%0.4%Not an edgeHow far weekly returns stray from the benchmark, annualized.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 376 weekly returns. Cash rate: the 13-week Treasury bill.

Side by side

BAUG Innovator U.S. Equity Buffer ETF - Aug SPY SPDR S&P 500 ETF Trust
Where it sits Buffer ETF Stock ETF
What it is Defined outcome, 9% on SPY Tracks the S&P 500
Total return, 1 year +12.1% +13.6%
Its benchmark over the same days +12.4% (SPY) +13.7% (VOO)
Gap to its benchmark −0.3 pts vs SPY −0.1 pts vs VOO
Expense ratio 0.79% 0.09%
Holdings not read by ETFIQ 504
Net assets, BAUG as of Oct 28, 2026 and SPY as of Oct 27, 2026 $271m $814.8bn

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

Client brief · page 1 of 2 Report BR-F19F3DD453

BAUG and SPY do different jobs. What does each one do in a portfolio?

  1. What each follows. BAUG follows SPY and SPY follows S&P 500 Index.
  2. Cost. BAUG charges 0.79% of assets a year and SPY 0.09%, a gap of 0.70 points.
  3. Size. BAUG has $270m in net assets and SPY $814.8bn (net assets, as of Oct 27, 2026); SPY is 3017.8 times larger.

Data as of Oct 28, 2026.

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About each fund
BAUG

From its price on Oct 28, 2026, the fund can gain about 14.4% more before it reaches its cap. The fund's price can fall 2.9% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 3.2% from today's level to the point where the buffer begins. Protection left, in index points: 9.0% of the 9.0% buffer still sits below today's SPY level. 276 days remained on Oct 28, 2026. On Jul 31, 2027 the period ends and a new cap is set.

SPY

SPY tracks the S&P 500. Over the year to Oct 28, 2026 it returned +13.6% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.09% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 504 positions, with the top ten at 38.1%.

Questions people ask

Are BAUG and SPY in the same category?
BAUG is a buffer ETF and SPY is a stock ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
Which returned more over the last year, BAUG or SPY?
In the year to Oct 28, 2026, with distributions reinvested, BAUG returned +12.1% and SPY +13.6%.
Which is cheaper, BAUG or SPY?
SPY is cheaper, by 0.70 percentage points a year. That is about $70 on $10,000 held for a year. Fees come from each fund's prospectus.
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ETFIQ, BAUG against SPY, data as of Oct 28, 2026. https://etfiq.com/compare/any/baug-vs-spy

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