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BUFSX vs. VXF
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between BUFSX and VXF is 0.91, 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.


-0.50.00.51.00.9

Performance

BUFSX vs. VXF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Buffalo Small Cap Fund (BUFSX) and Vanguard Extended Market ETF (VXF). The values are adjusted to include any dividend payments, if applicable.

-5.00%0.00%5.00%10.00%15.00%AugustSeptemberOctoberNovemberDecember2025
4.22%
11.70%
BUFSX
VXF

Key characteristics

Sharpe Ratio

BUFSX:

0.61

VXF:

1.48

Sortino Ratio

BUFSX:

0.97

VXF:

2.05

Omega Ratio

BUFSX:

1.12

VXF:

1.26

Calmar Ratio

BUFSX:

0.18

VXF:

1.46

Martin Ratio

BUFSX:

2.83

VXF:

7.45

Ulcer Index

BUFSX:

4.17%

VXF:

3.60%

Daily Std Dev

BUFSX:

19.51%

VXF:

18.10%

Max Drawdown

BUFSX:

-77.02%

VXF:

-58.04%

Current Drawdown

BUFSX:

-61.72%

VXF:

-4.41%

Returns By Period

In the year-to-date period, BUFSX achieves a 3.09% return, which is significantly lower than VXF's 3.92% return. Over the past 10 years, BUFSX has underperformed VXF with an annualized return of -6.87%, while VXF has yielded a comparatively higher 10.14% annualized return.


BUFSX

YTD

3.09%

1M

2.27%

6M

4.21%

1Y

10.20%

5Y*

1.45%

10Y*

-6.87%

VXF

YTD

3.92%

1M

3.66%

6M

13.26%

1Y

26.01%

5Y*

10.15%

10Y*

10.14%

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


BUFSX vs. VXF - Expense Ratio Comparison

BUFSX has a 1.01% expense ratio, which is higher than VXF's 0.06% expense ratio.


BUFSX
Buffalo Small Cap Fund
Expense ratio chart for BUFSX: current value at 1.01% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%1.01%
Expense ratio chart for VXF: current value at 0.06% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.06%

Risk-Adjusted Performance

BUFSX vs. VXF — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

BUFSX
The Risk-Adjusted Performance Rank of BUFSX is 2525
Overall Rank
The Sharpe Ratio Rank of BUFSX is 2525
Sharpe Ratio Rank
The Sortino Ratio Rank of BUFSX is 2828
Sortino Ratio Rank
The Omega Ratio Rank of BUFSX is 2424
Omega Ratio Rank
The Calmar Ratio Rank of BUFSX is 1313
Calmar Ratio Rank
The Martin Ratio Rank of BUFSX is 3737
Martin Ratio Rank

VXF
The Risk-Adjusted Performance Rank of VXF is 5656
Overall Rank
The Sharpe Ratio Rank of VXF is 5858
Sharpe Ratio Rank
The Sortino Ratio Rank of VXF is 5656
Sortino Ratio Rank
The Omega Ratio Rank of VXF is 5555
Omega Ratio Rank
The Calmar Ratio Rank of VXF is 5252
Calmar Ratio Rank
The Martin Ratio Rank of VXF is 6161
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

BUFSX vs. VXF - Risk-Adjusted Performance 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.


Sharpe ratio
The chart of Sharpe ratio for BUFSX, currently valued at 0.61, compared to the broader market-1.000.001.002.003.004.000.611.48
The chart of Sortino ratio for BUFSX, currently valued at 0.97, compared to the broader market0.005.0010.000.972.05
The chart of Omega ratio for BUFSX, currently valued at 1.12, compared to the broader market1.002.003.004.001.121.26
The chart of Calmar ratio for BUFSX, currently valued at 0.18, compared to the broader market0.005.0010.0015.0020.000.181.46
The chart of Martin ratio for BUFSX, currently valued at 2.83, compared to the broader market0.0020.0040.0060.0080.002.837.45
BUFSX
VXF

The current BUFSX Sharpe Ratio is 0.61, which is lower than the VXF Sharpe Ratio of 1.48. The chart below compares the historical Sharpe Ratios of BUFSX and VXF, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio-0.500.000.501.001.502.002.503.00AugustSeptemberOctoberNovemberDecember2025
0.61
1.48
BUFSX
VXF

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 1.05%.


TTM20242023202220212020201920182017201620152014
BUFSX
Buffalo Small Cap Fund
0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
VXF
Vanguard Extended Market ETF
1.05%1.09%1.27%1.15%1.13%1.07%1.30%1.66%1.25%1.43%1.35%1.32%

Drawdowns

BUFSX vs. VXF - Drawdown Comparison

The maximum BUFSX drawdown since its inception was -77.02%, which is greater than VXF's maximum drawdown of -58.04%. Use the drawdown chart below to compare losses from any high point for BUFSX and VXF. For additional features, visit the drawdowns tool.


-70.00%-60.00%-50.00%-40.00%-30.00%-20.00%-10.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-61.72%
-4.41%
BUFSX
VXF

Volatility

BUFSX vs. VXF - Volatility Comparison

The current volatility for Buffalo Small Cap Fund (BUFSX) is 5.72%, while Vanguard Extended Market ETF (VXF) has a volatility of 6.48%. 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.


3.00%4.00%5.00%6.00%7.00%8.00%9.00%AugustSeptemberOctoberNovemberDecember2025
5.72%
6.48%
BUFSX
VXF
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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