Data as of Oct 28, 2026.

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PDEC vs SPY: Differences, Returns & Fees

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Over the year to Oct 28, 2026, PDEC returned +11.7% to SPY's +13.6%, and SPY charges 0.09% to PDEC's 0.79%.

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Net assets: $988m on Oct 28, 2026 for Innovator U.S. Equity Power Buffer ETF - Dec, and $814.8bn on Oct 27, 2026 for SPDR S&P 500 ETF Trust.

At a glance
+11.7%
PDEC total return, 1 year
+13.6%
SPY total return, 1 year
0.79%
PDEC expense ratio
0.09%
SPY expense ratio

Pair scorecard

SPY costs 0.70 points a year less; their one-year returns differ by 1.9 points; SPY is far larger, $814.8bn against $986m.

PDEC vs SPY: Differences, Returns & Fees
MeasurePDECSPY
Return
Total return, 1 year+11.7%+13.6%
Drawdown
Index fall to the buffer11.4%
Fund price fall to the buffer10.2%
Benchmark
What it tracksSPYS&P 500 Index
The outcome period
Room to the cap1.7%
Buffer left, in index points15.0% of 15.0%
Days left in the period33
Period endsNov 30, 2026
Cost and size
Expense ratio0.79%0.09%
Net assets, as of Oct 27, 2026$986m$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

Dec 13, 2019 to Oct 23, 2026 · 358 weekly returns
PDEC SPY
Return
Total return edge SPY +77.6% +164.8%
Annualized edge SPY +8.7% +15.2%
Price return edge SPY +77.6% +139.5%
Risk
Volatility edge PDEC 9.8% 18.8%
Max drawdown edge PDEC −18.8% −31.8%
Downside capture 56.1% 100.0%
Beta 0.50 1.00
Risk-adjusted
Sharpe edge SPY 0.60 0.69
Sortino edge SPY 0.86 1.01
Treynor 0.118 0.133
Calmar edge SPY (slight) 0.46 0.48
Against the benchmark
Alpha −0.6% a year −0.1% a year
Alpha t-stat −0.56 −0.51
Information ratio −0.73 −0.15
Tracking error 9.8% 0.4%

Each against its own benchmark: PDEC against SPY, Dec 13, 2019 to Oct 23, 2026; SPY against VOO, Sep 17, 2010 to Oct 23, 2026.

Reading

SPY returned more: +164.8% to +77.6%. PDEC swung less: 9.8% to 18.8%. PDEC fell less at its worst: −18.8% to −31.8%.

Full scorecard

19 measures, with how each is measured
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Risk and return: PDEC vs SPY: Differences, Returns & Fees
MeasurePDECSPYEdgeHow it is measured
Return
Total return+77.6%+164.8%SPYPrice change plus distributions, reinvested.
Annualized+8.7%+15.2%SPYTotal return as a yearly rate.
Price return+77.6%+139.5%SPYPrice change alone, distributions left out.
Risk
Volatility9.8%18.8%PDECSpread of weekly returns, annualized. Lower is steadier.
Downside deviation6.9%12.9%PDECLike volatility, counting only weeks below the Treasury bill rate.
Max drawdown−18.8%−31.8%PDECDeepest fall from a high to the low after it.
Upside capture36.2%99.8%Share of its benchmark's rise caught in the weeks it rose.
Downside capture56.1%100.0%Share of its benchmark's fall taken in the weeks it fell. Lower is better.
Beta0.501.00Not an edgeHow far it moves for each 1% its benchmark moves.
R squared0.921.00Not an edgeShare of its weekly moves its benchmark explains.
Risk-adjusted
Sharpe0.600.69SPYReturn above Treasury bills per unit of volatility.
Sortino0.861.01SPYReturn above Treasury bills per unit of downside deviation.
Treynor0.1180.133Return above Treasury bills per unit of beta.
Calmar0.460.48SPY (slight)Annualized return divided by the max drawdown.
Against the benchmark
BenchmarkSPYVOOThe ETF each fund is measured against.
Alpha−0.6% a year−0.1% a yearNot significantYearly return beyond what its beta to the benchmark predicts.
Alpha t-stat−0.56−0.51Not an edgeHow sure the alpha is. Below 2, it could be chance.
Alpha range−2.7% to +1.5%−0.3% to +0.1%Includes zeroThe 95% range for the yearly alpha.
Information ratio−0.73−0.15Return against its benchmark per unit of tracking error.
Tracking error9.8%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, 358 weekly returns. Cash rate: the 13-week Treasury bill.

Side by side

PDEC Innovator U.S. Equity Power Buffer ETF - Dec SPY SPDR S&P 500 ETF Trust
Where it sits Buffer ETF Stock ETF
What it is Defined outcome, 15% on SPY Tracks the S&P 500
Total return, 1 year +11.7% +13.6%
Its benchmark over the same days +12.4% (SPY) +13.7% (VOO)
Gap to its benchmark −0.7 pts vs SPY −0.1 pts vs VOO
Expense ratio 0.79% 0.09%
Holdings not read by ETFIQ 504
Net assets, PDEC as of Oct 28, 2026 and SPY as of Oct 27, 2026 $988m $814.8bn

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

Client brief · page 1 of 2 Report BR-CB7DA39A4E

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

  1. What each follows. PDEC follows SPY and SPY follows S&P 500 Index.
  2. Cost. PDEC charges 0.79% of assets a year and SPY 0.09%, a gap of 0.70 points.
  3. Size. PDEC has $986m in net assets and SPY $814.8bn (net assets, as of Oct 27, 2026); SPY is 826.4 times larger.

Data as of Oct 28, 2026.

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About each fund
PDEC

From its price on Oct 28, 2026, the fund can gain about 1.7% more before it reaches its cap. The fund's price can fall 10.2% from here before the buffer starts absorbing losses, by the issuer's number. In index terms, SPY can fall 11.4% from today's level to the point where the buffer begins. Protection left, in index points: 15.0% of the 15.0% buffer still sits below today's SPY level. 33 days remained on Oct 28, 2026. On Nov 30, 2026 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 PDEC and SPY in the same category?
PDEC 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, PDEC or SPY?
In the year to Oct 28, 2026, with distributions reinvested, PDEC returned +11.7% and SPY +13.6%.
Which is cheaper, PDEC 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.
Other comparisons
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ETFIQ, PDEC against SPY, data as of Oct 28, 2026. https://etfiq.com/compare/any/pdec-vs-spy

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.