VIOO vs VOO
Vanguard S&P Small-Cap 600 ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. VIOO delivered stronger 1-year returns. VIOO offers more diversification with 604 holdings.
Side-by-Side Comparison
| Metric | VIOO | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.07% | 0.03% | |
| AUM | $4.2B | $979.0B | |
| Dividend Yield | 1.62% | 1.09% | |
| Holdings | 608 | 509 | |
| YTD Return | +23.86% | +14.48% | |
| 1Y Return | +29.88% | +22.02% | |
| 3Y Return (annualized) | +15.68% | +21.80% | |
| 5Y Return (annualized) | +7.87% | +13.36% | |
| Volatility (annualized) | 18.9% | 14.2% | |
| Max Drawdown | -44.1% | -34.3% | |
| Fund Family | Vanguard (US) | Vanguard (US) | |
| Category | Equity | Equity | |
| Inception | Sep 7, 2010 | Sep 7, 2010 |
VIOO vs VOO Performance
Vanguard S&P Small-Cap 600 ETF (VIOO) is a ETF from Vanguard (US) and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year VIOO returned +29.88% while VOO returned +22.02%. Year to date, VIOO is up 23.86% versus a gain of 14.48% for VOO.
Over three years, VIOO compounded at +15.68% per year against +21.80% for VOO; over five years the annualized figures are +7.87% and +13.36% respectively. Across the full 16-year window we track, VOO has the edge at +13.61% annualized vs +12.63%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
VIOO has been the more volatile fund, with annualized monthly volatility of 18.9% compared with 14.2% for VOO. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -44.1% for VIOO and -34.3% for VOO. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.84. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
VIOO charges 0.07% per year while VOO charges 0.03%. On a $10,000 position that is $7 vs $3 annually, a gap of $4 per year that compounds over a long holding period. On income, VIOO currently yields 1.62% against 1.09% for VOO.
Holdings Overlap
VIOO and VOO share 0 holdings out of 1109 unique holdings combined, representing a 0.0% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Frequently Asked Questions
Which is cheaper, VIOO or VOO?
VIOO has an expense ratio of 0.07% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $4 per year of difference.
Which performed better, VIOO or VOO?
Over the past year VIOO returned +29.88% vs +22.02% for VOO, so VIOO leads on 1-year performance. Over the longest common window we track (16 years), VIOO annualized +12.63% vs +13.61% for VOO. Past performance does not guarantee future results.
Which is riskier, VIOO or VOO?
VIOO has been the more volatile fund at 18.9% annualized versus 14.2% for VOO. Worst drawdown: VIOO -44.1% vs VOO -34.3%.
Should I hold both VIOO and VOO?
VIOO and VOO have a monthly-return correlation of 0.84, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between VIOO and VOO?
VIOO and VOO share 0 common holdings with a 0.0% weight overlap. Combined, they hold 1109 unique securities.
Which pays a higher dividend, VIOO or VOO?
VIOO yields 1.62% while VOO yields 1.09%, so VIOO currently pays the higher dividend yield.
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