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BUFSX vs. VTSMX
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Performance

BUFSX vs. VTSMX - Performance Comparison

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

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BUFSX vs. VTSMX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
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%
VTSMX
Vanguard Total Stock Market Index Fund Investor Shares
-6.76%16.63%22.76%26.38%-19.60%25.59%20.87%30.63%-5.27%21.05%

Returns By Period

In the year-to-date period, BUFSX achieves a -7.54% return, which is significantly lower than VTSMX's -6.76% return. Over the past 10 years, BUFSX has underperformed VTSMX with an annualized return of 8.96%, while VTSMX has yielded a comparatively higher 13.09% 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%

VTSMX

1D
-0.47%
1M
-7.71%
YTD
-6.76%
6M
-4.51%
1Y
14.67%
3Y*
16.35%
5Y*
9.87%
10Y*
13.09%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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BUFSX vs. VTSMX - Expense Ratio Comparison

BUFSX has a 1.01% expense ratio, which is higher than VTSMX's 0.14% expense ratio.


Return for Risk

BUFSX vs. VTSMX — Risk / Return Rank

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

BUFSX
BUFSX Risk / Return Rank: 77
Overall Rank
BUFSX Sharpe Ratio Rank: 77
Sharpe Ratio Rank
BUFSX Sortino Ratio Rank: 88
Sortino Ratio Rank
BUFSX Omega Ratio Rank: 77
Omega Ratio Rank
BUFSX Calmar Ratio Rank: 66
Calmar Ratio Rank
BUFSX Martin Ratio Rank: 66
Martin Ratio Rank

VTSMX
VTSMX Risk / Return Rank: 4545
Overall Rank
VTSMX Sharpe Ratio Rank: 4141
Sharpe Ratio Rank
VTSMX Sortino Ratio Rank: 4444
Sortino Ratio Rank
VTSMX Omega Ratio Rank: 4848
Omega Ratio Rank
VTSMX Calmar Ratio Rank: 4141
Calmar Ratio Rank
VTSMX Martin Ratio Rank: 5353
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

BUFSX vs. VTSMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Buffalo Small Cap Fund (BUFSX) and Vanguard Total Stock Market Index Fund Investor Shares (VTSMX). 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.


BUFSXVTSMXDifference

Sharpe ratio

Return per unit of total volatility

0.09

0.83

-0.74

Sortino ratio

Return per unit of downside risk

0.30

1.29

-0.99

Omega ratio

Gain probability vs. loss probability

1.04

1.19

-0.16

Calmar ratio

Return relative to maximum drawdown

0.01

1.04

-1.03

Martin ratio

Return relative to average drawdown

0.03

5.04

-5.01

BUFSX vs. VTSMX - Sharpe Ratio Comparison

The current BUFSX Sharpe Ratio is 0.09, which is lower than the VTSMX Sharpe Ratio of 0.83. The chart below compares the historical Sharpe Ratios of BUFSX and VTSMX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


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Sharpe Ratios by Period


BUFSXVTSMXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

0.09

0.83

-0.74

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

-0.27

0.57

-0.85

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.37

0.71

-0.35

Sharpe Ratio (All Time)

Calculated using the full available price history

0.43

0.56

-0.12

Correlation

The correlation between BUFSX and VTSMX is 0.85, 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. VTSMX - Dividend Comparison

BUFSX has not paid dividends to shareholders, while VTSMX's dividend yield for the trailing twelve months is around 1.12%.


TTM20252024202320222021202020192018201720162015
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%
VTSMX
Vanguard Total Stock Market Index Fund Investor Shares
1.12%0.75%0.89%1.33%1.54%1.11%1.33%1.67%1.92%1.61%1.83%1.86%

Drawdowns

BUFSX vs. VTSMX - Drawdown Comparison

The maximum BUFSX drawdown since its inception was -53.24%, roughly equal to the maximum VTSMX drawdown of -55.38%. Use the drawdown chart below to compare losses from any high point for BUFSX and VTSMX.


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Drawdown Indicators


BUFSXVTSMXDifference

Max Drawdown

Largest peak-to-trough decline

-53.24%

-55.38%

+2.14%

Max Drawdown (1Y)

Largest decline over 1 year

-14.92%

-12.41%

-2.51%

Max Drawdown (5Y)

Largest decline over 5 years

-46.57%

-25.43%

-21.14%

Max Drawdown (10Y)

Largest decline over 10 years

-46.74%

-34.98%

-11.76%

Current Drawdown

Current decline from peak

-37.02%

-8.93%

-28.09%

Average Drawdown

Average peak-to-trough decline

-12.82%

-8.94%

-3.88%

Ulcer Index

Depth and duration of drawdowns from previous peaks

4.21%

2.56%

+1.65%

Volatility

BUFSX vs. VTSMX - Volatility Comparison

Buffalo Small Cap Fund (BUFSX) has a higher volatility of 6.37% compared to Vanguard Total Stock Market Index Fund Investor Shares (VTSMX) at 4.39%. This indicates that BUFSX's price experiences larger fluctuations and is considered to be riskier than VTSMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


BUFSXVTSMXDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.37%

4.39%

+1.98%

Volatility (6M)

Calculated over the trailing 6-month period

13.84%

9.33%

+4.51%

Volatility (1Y)

Calculated over the trailing 1-year period

23.32%

18.42%

+4.90%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

24.65%

17.33%

+7.32%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

24.50%

18.37%

+6.13%