Data as of Oct 28, 2026.
SLYG vs VIOO: Differences, Returns & Fees
Over the year to Oct 28, 2026, SLYG returned +15.6% to VIOO's +17.5%; 61% of their weight is in the same names.
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Net assets: $4.7bn on Oct 27, 2026 for State Street SPDR S & P 600 Small Cap Growth ETF, and $4.0bn on Sep 30, 2026 for Vanguard S&P Small-Cap 600 ETF.
Pair scorecard
VIOO costs 0.08 points a year less; their one-year returns differ by 1.9 points; SLYG is 1.2 times larger.
| Measure | SLYG | VIOO |
|---|---|---|
| Return | ||
| Total return, 1 year | +15.6% | +17.5% |
| Drawdown | ||
| Below its high | 8.2%, high on Aug 4, 2026 | 6.8%, high on Aug 14, 2026 |
| Benchmark | ||
| What it tracks | S&P SmallCap 600 Growth Index | S&P SmallCap 600 Index |
| Cost and size | ||
| Expense ratio | 0.15% | 0.07% |
| Net assets, as of Sep 30, 2026 | $4.7bn | $4.0bn |
| Holdings | ||
| Holdings in common | 61% | |
| Top ten holdings, share of the fund | 9.7% | 5.3% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
Risk and return
Sep 17, 2010 to Oct 23, 2026 · 840 weekly returnsEach against its own benchmark: SLYG against IJT, Oct 13, 2000 to Oct 23, 2026; VIOO against IJR, Sep 17, 2010 to Oct 23, 2026.
SLYG returned slightly more: +533.4% to +508.7%. SLYG and VIOO swung about the same: 20.6% and 20.7%. SLYG fell slightly less at its worst: −41.3% to −43.5%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | SLYG | VIOO | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +533.4% | +508.7% | SLYG (slight) | Price change plus distributions, reinvested. |
| Annualized | +12.1% | +11.8% | SLYG (slight) | Total return as a yearly rate. |
| Price return | +379.0% | +401.2% | VIOO (slight) | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 20.6% | 20.7% | Tie | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 14.0% | 14.1% | Tie | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −41.3% | −43.5% | SLYG (slight) | Deepest fall from a high to the low after it. |
| Upside capture | 99.9% | 99.0% | Share of its benchmark's rise caught in the weeks it rose. | |
| Downside capture | 101.5% | 99.6% | Share of its benchmark's fall taken in the weeks it fell. Lower is better. | |
| Beta | 1.01 | 0.99 | Not an edge | How far it moves for each 1% its benchmark moves. |
| R squared | 0.92 | 0.99 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | ||||
| Sharpe | 0.58 | 0.57 | SLYG (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | 0.86 | 0.84 | SLYG (slight) | Return above Treasury bills per unit of downside deviation. |
| Treynor | 0.082 | 0.119 | Return above Treasury bills per unit of beta. | |
| Calmar | 0.29 | 0.27 | SLYG (slight) | Annualized return divided by the max drawdown. |
| Against the benchmark | ||||
| Benchmark | IJT | IJR | The ETF each fund is measured against. | |
| Alpha | −1.3% a year | +0.1% a year | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | −1.04 | 0.24 | Not an edge | How sure the alpha is. Below 2, it could be chance. |
| Alpha range | −3.9% to +1.2% | −0.7% to +0.9% | Includes zero | The 95% range for the yearly alpha. |
| Information ratio | −0.19 | 0.00 | Return against its benchmark per unit of tracking error. | |
| Tracking error | 6.6% | 1.7% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 840 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, SLYG and VIOO hold 61% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
61% in common
Only in one fund ↓
Side by side
SLYG and VIOO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
SLYG and VIOO are built for the same job. How do they differ in cost, holdings and results?
- What each follows. SLYG follows S&P SmallCap 600 Growth Index and VIOO follows S&P SmallCap 600 Index.
- Holdings in common (similar). 61% of the weight is in the same securities (holdings dated Oct 27, 2026 and Sep 30, 2026).
- One-year total return (similar). Over 1 year to Oct 28, 2026 SLYG returned +15.6% and VIOO +17.5% with distributions reinvested, a gap of 1.9 points.
Data as of Oct 28, 2026.
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SLYG
SLYG tracks an index. Over the year to Oct 28, 2026 it returned +15.6% with distributions reinvested, against +15.4% for its benchmark, the S&P SmallCap 600 Growth Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 350 positions, with the top ten at 9.7%. It sat 8.2% below its high of Aug 4, 2026 on Oct 28, 2026.
VIOO
VIOO tracks an index. Over the year to Oct 28, 2026 it returned +17.5% with distributions reinvested, against +17.5% for its benchmark, the S&P SmallCap 600 Index. The prospectus expense ratio is 0.07% a year. By its holdings published by its issuer as of Sep 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 607 positions, with the top ten at 5.3%. It sat 6.8% below its high of Aug 14, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, SLYG or VIOO?
- In the year to Oct 28, 2026, with distributions reinvested, SLYG returned +15.6% and VIOO +17.5%.
- Which is cheaper, SLYG or VIOO?
- VIOO is cheaper, by 0.08 percentage points a year. That is about $8 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, SLYG against VIOO, data as of Oct 28, 2026. https://etfiq.com/compare/any/slyg-vs-vioo
ETFIQ. (Oct 28, 2026). SLYG against VIOO. Retrieved from https://etfiq.com/compare/any/slyg-vs-vioo
[SLYG against VIOO (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/slyg-vs-vioo)
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