VSIAX vs. VEMPX
Compare and contrast key facts about Vanguard Small-Cap Value Index Fund Admiral Shares (VSIAX) and Vanguard Extended Market Index Fund Institutional Plus Shares (VEMPX).
VSIAX is managed by Vanguard. It was launched on Sep 27, 2011. VEMPX is managed by Vanguard. It was launched on Jan 14, 2011.
Performance
VSIAX vs. VEMPX - Performance Comparison
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VSIAX vs. VEMPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VSIAX Vanguard Small-Cap Value Index Fund Admiral Shares | 0.80% | 9.09% | 11.34% | 17.06% | -9.31% | 28.10% | 5.80% | 22.76% | -12.24% | 11.80% |
VEMPX Vanguard Extended Market Index Fund Institutional Plus Shares | -4.53% | 11.43% | 15.50% | 26.98% | -26.45% | 12.48% | 32.24% | 28.06% | -9.35% | 18.13% |
Returns By Period
In the year-to-date period, VSIAX achieves a 0.80% return, which is significantly higher than VEMPX's -4.53% return. Over the past 10 years, VSIAX has underperformed VEMPX with an annualized return of 9.83%, while VEMPX has yielded a comparatively higher 10.57% annualized return.
VSIAX
- 1D
- -0.40%
- 1M
- -7.12%
- YTD
- 0.80%
- 6M
- 2.85%
- 1Y
- 16.28%
- 3Y*
- 12.51%
- 5Y*
- 7.35%
- 10Y*
- 9.83%
VEMPX
- 1D
- -1.03%
- 1M
- -7.75%
- YTD
- -4.53%
- 6M
- -4.38%
- 1Y
- 16.81%
- 3Y*
- 13.80%
- 5Y*
- 3.67%
- 10Y*
- 10.57%
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VSIAX vs. VEMPX - Expense Ratio Comparison
VSIAX has a 0.07% expense ratio, which is higher than VEMPX's 0.04% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
VSIAX vs. VEMPX — Risk / Return Rank
VSIAX
VEMPX
VSIAX vs. VEMPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Small-Cap Value Index Fund Admiral Shares (VSIAX) and Vanguard Extended Market Index Fund Institutional Plus Shares (VEMPX). 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.
| VSIAX | VEMPX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.81 | 0.72 | +0.09 |
Sortino ratioReturn per unit of downside risk | 1.27 | 1.16 | +0.12 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.16 | +0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.03 | 0.95 | +0.09 |
Martin ratioReturn relative to average drawdown | 4.28 | 3.92 | +0.36 |
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
| VSIAX | VEMPX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.81 | 0.72 | +0.09 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.37 | 0.17 | +0.21 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.44 | 0.48 | -0.04 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.55 | 0.49 | +0.06 |
Correlation
The correlation between VSIAX and VEMPX is 0.93, 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
VSIAX vs. VEMPX - Dividend Comparison
VSIAX's dividend yield for the trailing twelve months is around 1.95%, more than VEMPX's 1.23% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VSIAX Vanguard Small-Cap Value Index Fund Admiral Shares | 1.95% | 1.95% | 1.98% | 2.10% | 2.03% | 1.75% | 1.68% | 2.06% | 2.35% | 1.79% | 1.77% | 1.99% |
VEMPX Vanguard Extended Market Index Fund Institutional Plus Shares | 1.23% | 1.15% | 1.11% | 1.27% | 1.17% | 1.15% | 1.09% | 1.32% | 1.68% | 1.27% | 1.46% | 1.39% |
Drawdowns
VSIAX vs. VEMPX - Drawdown Comparison
The maximum VSIAX drawdown since its inception was -45.39%, which is greater than VEMPX's maximum drawdown of -41.62%. Use the drawdown chart below to compare losses from any high point for VSIAX and VEMPX.
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Drawdown Indicators
| VSIAX | VEMPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -45.39% | -41.62% | -3.77% |
Max Drawdown (1Y)Largest decline over 1 year | -14.16% | -14.63% | +0.47% |
Max Drawdown (5Y)Largest decline over 5 years | -24.09% | -36.32% | +12.23% |
Max Drawdown (10Y)Largest decline over 10 years | -45.39% | -41.62% | -3.77% |
Current DrawdownCurrent decline from peak | -8.24% | -10.25% | +2.01% |
Average DrawdownAverage peak-to-trough decline | -5.54% | -8.04% | +2.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.42% | 3.54% | -0.12% |
Volatility
VSIAX vs. VEMPX - Volatility Comparison
The current volatility for Vanguard Small-Cap Value Index Fund Admiral Shares (VSIAX) is 4.89%, while Vanguard Extended Market Index Fund Institutional Plus Shares (VEMPX) has a volatility of 6.02%. This indicates that VSIAX experiences smaller price fluctuations and is considered to be less risky than VEMPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VSIAX | VEMPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.89% | 6.02% | -1.13% |
Volatility (6M)Calculated over the trailing 6-month period | 11.03% | 13.07% | -2.04% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.62% | 22.79% | -2.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.83% | 22.33% | -2.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.44% | 22.30% | +0.14% |