Data as of Oct 28, 2026.
PDEC vs SPY: Differences, Returns & Fees
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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askIQ about PDEC and SPYNet 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.
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.
| Measure | PDEC | SPY |
|---|---|---|
| Return | ||
| Total return, 1 year | +11.7% | +13.6% |
| Drawdown | ||
| Index fall to the buffer | 11.4% | |
| Fund price fall to the buffer | 10.2% | |
| Benchmark | ||
| What it tracks | SPY | S&P 500 Index |
| The outcome period | ||
| Room to the cap | 1.7% | |
| Buffer left, in index points | 15.0% of 15.0% | |
| Days left in the period | 33 | |
| Period ends | Nov 30, 2026 | |
| Cost and size | ||
| Expense ratio | 0.79% | 0.09% |
| Net assets, as of Oct 27, 2026 | $986m | $814.8bn |
| Holdings | ||
| Holdings in common | not published | |
| In the S&P 500, by weight | 100% | |
| Top ten holdings, share of the fund | 38.1% | |
Risk and return
Dec 13, 2019 to Oct 23, 2026 · 358 weekly returnsEach against its own benchmark: PDEC against SPY, Dec 13, 2019 to Oct 23, 2026; SPY against VOO, Sep 17, 2010 to Oct 23, 2026.
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 Open ↓
| Measure | PDEC | SPY | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +77.6% | +164.8% | SPY | Price change plus distributions, reinvested. |
| Annualized | +8.7% | +15.2% | SPY | Total return as a yearly rate. |
| Price return | +77.6% | +139.5% | SPY | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 9.8% | 18.8% | PDEC | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 6.9% | 12.9% | PDEC | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −18.8% | −31.8% | PDEC | Deepest fall from a high to the low after it. |
| Upside capture | 36.2% | 99.8% | Share of its benchmark's rise caught in the weeks it rose. | |
| Downside capture | 56.1% | 100.0% | Share of its benchmark's fall taken in the weeks it fell. Lower is better. | |
| Beta | 0.50 | 1.00 | Not an edge | How far it moves for each 1% its benchmark moves. |
| R squared | 0.92 | 1.00 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | ||||
| Sharpe | 0.60 | 0.69 | SPY | Return above Treasury bills per unit of volatility. |
| Sortino | 0.86 | 1.01 | SPY | Return above Treasury bills per unit of downside deviation. |
| Treynor | 0.118 | 0.133 | Return above Treasury bills per unit of beta. | |
| Calmar | 0.46 | 0.48 | SPY (slight) | Annualized return divided by the max drawdown. |
| Against the benchmark | ||||
| Benchmark | SPY | VOO | The ETF each fund is measured against. | |
| Alpha | −0.6% a year | −0.1% a year | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | −0.56 | −0.51 | Not an edge | How sure the alpha is. Below 2, it could be chance. |
| Alpha range | −2.7% to +1.5% | −0.3% to +0.1% | Includes zero | The 95% range for the yearly alpha. |
| Information ratio | −0.73 | −0.15 | Return against its benchmark per unit of tracking error. | |
| Tracking error | 9.8% | 0.4% | Not an edge | How 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 and SPY on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
PDEC and SPY do different jobs. What does each one do in a portfolio?
- What each follows. PDEC follows SPY and SPY follows S&P 500 Index.
- Cost. PDEC charges 0.79% of assets a year and SPY 0.09%, a gap of 0.70 points.
- 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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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.
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ETFIQ, PDEC against SPY, data as of Oct 28, 2026. https://etfiq.com/compare/any/pdec-vs-spy
ETFIQ. (Oct 28, 2026). PDEC against SPY. Retrieved from https://etfiq.com/compare/any/pdec-vs-spy
[PDEC against SPY (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/pdec-vs-spy)
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