VIOV vs. DFAS
Compare and contrast key facts about Vanguard S&P Small-Cap 600 Value ETF (VIOV) and Dimensional U.S. Small Cap ETF (DFAS).
VIOV and DFAS are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. VIOV is a passively managed fund by Vanguard that tracks the performance of the S&P SmallCap 600 Value Index. It was launched on Sep 7, 2010. DFAS is an actively managed fund by Dimensional. It was launched on Jun 14, 2021.
Performance
VIOV vs. DFAS - Performance Comparison
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VIOV vs. DFAS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
VIOV Vanguard S&P Small-Cap 600 Value ETF | 4.51% | 6.63% | 7.44% | 15.36% | -11.37% | -1.73% |
DFAS Dimensional U.S. Small Cap ETF | 2.33% | 8.17% | 10.21% | 17.83% | -13.84% | 4.94% |
Returns By Period
In the year-to-date period, VIOV achieves a 4.51% return, which is significantly higher than DFAS's 2.33% return.
VIOV
- 1D
- 2.29%
- 1M
- -3.16%
- YTD
- 4.51%
- 6M
- 7.88%
- 1Y
- 23.53%
- 3Y*
- 10.24%
- 5Y*
- 4.95%
- 10Y*
- 9.51%
DFAS
- 1D
- 2.80%
- 1M
- -5.04%
- YTD
- 2.33%
- 6M
- 4.44%
- 1Y
- 20.32%
- 3Y*
- 11.67%
- 5Y*
- —
- 10Y*
- —
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VIOV vs. DFAS - Expense Ratio Comparison
VIOV has a 0.10% expense ratio, which is lower than DFAS's 0.34% expense ratio.
Return for Risk
VIOV vs. DFAS — Risk / Return Rank
VIOV
DFAS
VIOV vs. DFAS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P Small-Cap 600 Value ETF (VIOV) and Dimensional U.S. Small Cap ETF (DFAS). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| VIOV | DFAS | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.00 | 0.93 | +0.07 |
Sortino ratioReturn per unit of downside risk | 1.52 | 1.45 | +0.08 |
Omega ratioGain probability vs. loss probability | 1.20 | 1.19 | +0.01 |
Calmar ratioReturn relative to maximum drawdown | 1.55 | 1.45 | +0.10 |
Martin ratioReturn relative to average drawdown | 5.79 | 5.76 | +0.03 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| VIOV | DFAS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.00 | 0.93 | +0.07 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.23 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.40 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.50 | 0.27 | +0.24 |
Correlation
The correlation between VIOV and DFAS is 0.97, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
VIOV vs. DFAS - Dividend Comparison
VIOV's dividend yield for the trailing twelve months is around 1.76%, more than DFAS's 1.02% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VIOV Vanguard S&P Small-Cap 600 Value ETF | 1.76% | 1.69% | 1.78% | 2.18% | 1.81% | 1.59% | 1.42% | 1.60% | 1.76% | 1.43% | 1.17% | 1.32% |
DFAS Dimensional U.S. Small Cap ETF | 1.02% | 0.99% | 0.93% | 1.00% | 1.03% | 2.87% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
VIOV vs. DFAS - Drawdown Comparison
The maximum VIOV drawdown since its inception was -47.36%, which is greater than DFAS's maximum drawdown of -26.13%. Use the drawdown chart below to compare losses from any high point for VIOV and DFAS.
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Drawdown Indicators
| VIOV | DFAS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -47.36% | -26.13% | -21.23% |
Max Drawdown (1Y)Largest decline over 1 year | -15.50% | -14.08% | -1.42% |
Max Drawdown (5Y)Largest decline over 5 years | -28.44% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -47.36% | — | — |
Current DrawdownCurrent decline from peak | -6.21% | -6.67% | +0.46% |
Average DrawdownAverage peak-to-trough decline | -7.45% | -8.55% | +1.10% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.14% | 3.54% | +0.60% |
Volatility
VIOV vs. DFAS - Volatility Comparison
The current volatility for Vanguard S&P Small-Cap 600 Value ETF (VIOV) is 5.42%, while Dimensional U.S. Small Cap ETF (DFAS) has a volatility of 6.21%. This indicates that VIOV experiences smaller price fluctuations and is considered to be less risky than DFAS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VIOV | DFAS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.42% | 6.21% | -0.79% |
Volatility (6M)Calculated over the trailing 6-month period | 13.56% | 12.67% | +0.89% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.66% | 21.96% | +1.70% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.11% | 21.03% | +1.08% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 23.90% | 21.03% | +2.87% |