VXF vs. BUFSX
Compare and contrast key facts about Vanguard Extended Market ETF (VXF) and Buffalo Small Cap Fund (BUFSX).
VXF is a passively managed fund by Vanguard that tracks the performance of the S&P Completion Index. It was launched on Dec 27, 2001. BUFSX is managed by Buffalo. It was launched on Apr 14, 1998.
Performance
VXF vs. BUFSX - Performance Comparison
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VXF vs. BUFSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VXF Vanguard Extended Market ETF | -0.59% | 11.40% | 16.89% | 25.51% | -26.52% | 12.31% | 32.45% | 27.96% | -9.34% | 18.06% |
BUFSX Buffalo Small Cap Fund | -4.24% | -0.13% | 5.38% | 5.45% | -30.01% | 4.44% | 66.49% | 40.97% | -5.73% | 26.96% |
Returns By Period
In the year-to-date period, VXF achieves a -0.59% return, which is significantly higher than BUFSX's -4.24% return. Over the past 10 years, VXF has outperformed BUFSX with an annualized return of 11.00%, while BUFSX has yielded a comparatively lower 9.34% annualized return.
VXF
- 1D
- 0.69%
- 1M
- -4.65%
- YTD
- -0.59%
- 6M
- -0.70%
- 1Y
- 21.08%
- 3Y*
- 15.35%
- 5Y*
- 4.13%
- 10Y*
- 11.00%
BUFSX
- 1D
- 3.57%
- 1M
- -8.49%
- YTD
- -4.24%
- 6M
- -4.37%
- 1Y
- 5.80%
- 3Y*
- 0.12%
- 5Y*
- -6.52%
- 10Y*
- 9.34%
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VXF vs. BUFSX - Expense Ratio Comparison
VXF has a 0.06% expense ratio, which is lower than BUFSX's 1.01% expense ratio.
Return for Risk
VXF vs. BUFSX — Risk / Return Rank
VXF
BUFSX
VXF vs. BUFSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Extended Market ETF (VXF) and Buffalo Small Cap Fund (BUFSX). 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.
| VXF | BUFSX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.92 | 0.26 | +0.66 |
Sortino ratioReturn per unit of downside risk | 1.42 | 0.55 | +0.87 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.07 | +0.12 |
Calmar ratioReturn relative to maximum drawdown | 1.48 | 0.38 | +1.10 |
Martin ratioReturn relative to average drawdown | 6.06 | 1.32 | +4.74 |
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
| VXF | BUFSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.92 | 0.26 | +0.66 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.19 | -0.27 | +0.45 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.50 | 0.38 | +0.11 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.43 | 0.44 | -0.01 |
Correlation
The correlation between VXF and BUFSX is 0.92, 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
VXF vs. BUFSX - Dividend Comparison
VXF's dividend yield for the trailing twelve months is around 1.17%, while BUFSX has not paid dividends to shareholders.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VXF Vanguard Extended Market ETF | 1.17% | 1.14% | 1.09% | 1.27% | 1.15% | 1.13% | 1.07% | 1.30% | 1.66% | 1.25% | 1.43% | 1.35% |
BUFSX Buffalo Small Cap Fund | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 13.53% | 9.01% | 9.14% | 31.02% | 30.30% | 25.19% | 70.18% |
Drawdowns
VXF vs. BUFSX - Drawdown Comparison
The maximum VXF drawdown since its inception was -58.03%, which is greater than BUFSX's maximum drawdown of -53.24%. Use the drawdown chart below to compare losses from any high point for VXF and BUFSX.
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Drawdown Indicators
| VXF | BUFSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.03% | -53.24% | -4.79% |
Max Drawdown (1Y)Largest decline over 1 year | -14.68% | -14.92% | +0.24% |
Max Drawdown (5Y)Largest decline over 5 years | -36.39% | -46.57% | +10.18% |
Max Drawdown (10Y)Largest decline over 10 years | -41.72% | -46.74% | +5.02% |
Current DrawdownCurrent decline from peak | -6.47% | -34.78% | +28.31% |
Average DrawdownAverage peak-to-trough decline | -9.61% | -12.82% | +3.21% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.59% | 4.27% | -0.68% |
Volatility
VXF vs. BUFSX - Volatility Comparison
The current volatility for Vanguard Extended Market ETF (VXF) is 6.89%, while Buffalo Small Cap Fund (BUFSX) has a volatility of 7.53%. This indicates that VXF experiences smaller price fluctuations and is considered to be less risky than BUFSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VXF | BUFSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.89% | 7.53% | -0.64% |
Volatility (6M)Calculated over the trailing 6-month period | 13.50% | 14.29% | -0.79% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.05% | 23.54% | -0.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.35% | 24.67% | -2.32% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.25% | 24.53% | -2.28% |