BUFSX vs. VXF
Compare and contrast key facts about Buffalo Small Cap Fund (BUFSX) and Vanguard Extended Market ETF (VXF).
BUFSX is managed by Buffalo. It was launched on Apr 14, 1998. 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.
Performance
BUFSX vs. VXF - Performance Comparison
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BUFSX vs. VXF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BUFSX Buffalo Small Cap Fund | -7.54% | -0.13% | 5.38% | 5.45% | -30.01% | 4.44% | 66.49% | 40.97% | -5.73% | 26.96% |
VXF Vanguard Extended Market ETF | -1.27% | 11.40% | 16.89% | 25.51% | -26.52% | 12.31% | 32.45% | 27.96% | -9.34% | 18.06% |
Returns By Period
In the year-to-date period, BUFSX achieves a -7.54% return, which is significantly lower than VXF's -1.27% return. Over the past 10 years, BUFSX has underperformed VXF with an annualized return of 8.96%, while VXF has yielded a comparatively higher 10.92% annualized return.
BUFSX
- 1D
- -1.58%
- 1M
- -11.35%
- YTD
- -7.54%
- 6M
- -7.29%
- 1Y
- 2.46%
- 3Y*
- -1.05%
- 5Y*
- -6.73%
- 10Y*
- 8.96%
VXF
- 1D
- 3.44%
- 1M
- -4.60%
- YTD
- -1.27%
- 6M
- -1.07%
- 1Y
- 20.89%
- 3Y*
- 15.08%
- 5Y*
- 3.98%
- 10Y*
- 10.92%
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BUFSX vs. VXF - Expense Ratio Comparison
BUFSX has a 1.01% expense ratio, which is higher than VXF's 0.06% expense ratio.
Return for Risk
BUFSX vs. VXF — Risk / Return Rank
BUFSX
VXF
BUFSX vs. VXF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Buffalo Small Cap Fund (BUFSX) and Vanguard Extended Market ETF (VXF). 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.
| BUFSX | VXF | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.09 | 0.91 | -0.82 |
Sortino ratioReturn per unit of downside risk | 0.30 | 1.41 | -1.11 |
Omega ratioGain probability vs. loss probability | 1.04 | 1.19 | -0.16 |
Calmar ratioReturn relative to maximum drawdown | 0.01 | 1.39 | -1.38 |
Martin ratioReturn relative to average drawdown | 0.03 | 5.72 | -5.69 |
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
| BUFSX | VXF | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.09 | 0.91 | -0.82 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.27 | 0.18 | -0.45 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.37 | 0.49 | -0.13 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.43 | 0.43 | 0.00 |
Correlation
The correlation between BUFSX and VXF 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
BUFSX vs. VXF - Dividend Comparison
BUFSX has not paid dividends to shareholders, while VXF's dividend yield for the trailing twelve months is around 1.18%.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
VXF Vanguard Extended Market ETF | 1.18% | 1.14% | 1.09% | 1.27% | 1.15% | 1.13% | 1.07% | 1.30% | 1.66% | 1.25% | 1.43% | 1.35% |
Drawdowns
BUFSX vs. VXF - Drawdown Comparison
The maximum BUFSX drawdown since its inception was -53.24%, smaller than the maximum VXF drawdown of -58.03%. Use the drawdown chart below to compare losses from any high point for BUFSX and VXF.
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Drawdown Indicators
| BUFSX | VXF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -53.24% | -58.03% | +4.79% |
Max Drawdown (1Y)Largest decline over 1 year | -14.92% | -14.68% | -0.24% |
Max Drawdown (5Y)Largest decline over 5 years | -46.57% | -36.39% | -10.18% |
Max Drawdown (10Y)Largest decline over 10 years | -46.74% | -41.72% | -5.02% |
Current DrawdownCurrent decline from peak | -37.02% | -7.12% | -29.90% |
Average DrawdownAverage peak-to-trough decline | -12.82% | -9.61% | -3.21% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.21% | 3.56% | +0.65% |
Volatility
BUFSX vs. VXF - Volatility Comparison
The current volatility for Buffalo Small Cap Fund (BUFSX) is 6.37%, while Vanguard Extended Market ETF (VXF) has a volatility of 7.00%. This indicates that BUFSX experiences smaller price fluctuations and is considered to be less risky than VXF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BUFSX | VXF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.37% | 7.00% | -0.63% |
Volatility (6M)Calculated over the trailing 6-month period | 13.84% | 13.49% | +0.35% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.32% | 23.05% | +0.27% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.65% | 22.36% | +2.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.50% | 22.26% | +2.24% |