BUFOX vs. BUFMX
Compare and contrast key facts about Buffalo Early Stage Growth Fund (BUFOX) and Buffalo Mid Cap Fund (BUFMX).
BUFOX is managed by Buffalo. It was launched on May 21, 2004. BUFMX is managed by Buffalo. It was launched on Dec 17, 2001.
Performance
BUFOX vs. BUFMX - Performance Comparison
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BUFOX vs. BUFMX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BUFOX Buffalo Early Stage Growth Fund | -5.11% | 3.09% | 7.52% | 9.83% | -30.78% | 7.43% | 47.85% | 34.06% | -3.78% | 27.03% |
BUFMX Buffalo Mid Cap Fund | -9.21% | -1.68% | 6.73% | 26.92% | -27.89% | 14.39% | 34.24% | 37.96% | -7.29% | 13.59% |
Returns By Period
In the year-to-date period, BUFOX achieves a -5.11% return, which is significantly higher than BUFMX's -9.21% return. Over the past 10 years, BUFOX has outperformed BUFMX with an annualized return of 9.05%, while BUFMX has yielded a comparatively lower 7.63% annualized return.
BUFOX
- 1D
- 3.01%
- 1M
- -10.56%
- YTD
- -5.11%
- 6M
- -6.03%
- 1Y
- 8.56%
- 3Y*
- 2.53%
- 5Y*
- -4.93%
- 10Y*
- 9.05%
BUFMX
- 1D
- 2.56%
- 1M
- -6.91%
- YTD
- -9.21%
- 6M
- -13.70%
- 1Y
- -6.91%
- 3Y*
- 3.58%
- 5Y*
- -1.32%
- 10Y*
- 7.63%
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BUFOX vs. BUFMX - Expense Ratio Comparison
BUFOX has a 1.46% expense ratio, which is higher than BUFMX's 1.02% expense ratio.
Return for Risk
BUFOX vs. BUFMX — Risk / Return Rank
BUFOX
BUFMX
BUFOX vs. BUFMX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Buffalo Early Stage Growth Fund (BUFOX) and Buffalo Mid Cap Fund (BUFMX). 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.
| BUFOX | BUFMX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.35 | -0.34 | +0.69 |
Sortino ratioReturn per unit of downside risk | 0.67 | -0.36 | +1.03 |
Omega ratioGain probability vs. loss probability | 1.08 | 0.95 | +0.13 |
Calmar ratioReturn relative to maximum drawdown | 0.53 | -0.35 | +0.88 |
Martin ratioReturn relative to average drawdown | 1.65 | -0.94 | +2.59 |
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
| BUFOX | BUFMX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.35 | -0.34 | +0.69 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.22 | -0.07 | -0.15 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.41 | 0.39 | +0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.33 | 0.36 | -0.03 |
Correlation
The correlation between BUFOX and BUFMX is 0.86, 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
BUFOX vs. BUFMX - Dividend Comparison
BUFOX's dividend yield for the trailing twelve months is around 5.38%, less than BUFMX's 11.35% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BUFOX Buffalo Early Stage Growth Fund | 5.38% | 5.10% | 0.00% | 0.00% | 1.20% | 15.83% | 11.19% | 4.77% | 14.50% | 20.01% | 8.35% | 8.53% |
BUFMX Buffalo Mid Cap Fund | 11.35% | 10.31% | 6.93% | 5.21% | 5.46% | 11.45% | 6.91% | 8.20% | 4.47% | 25.22% | 8.49% | 13.06% |
Drawdowns
BUFOX vs. BUFMX - Drawdown Comparison
The maximum BUFOX drawdown since its inception was -69.71%, which is greater than BUFMX's maximum drawdown of -58.44%. Use the drawdown chart below to compare losses from any high point for BUFOX and BUFMX.
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Drawdown Indicators
| BUFOX | BUFMX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -69.71% | -58.44% | -11.27% |
Max Drawdown (1Y)Largest decline over 1 year | -15.52% | -18.37% | +2.85% |
Max Drawdown (5Y)Largest decline over 5 years | -43.17% | -35.58% | -7.59% |
Max Drawdown (10Y)Largest decline over 10 years | -43.17% | -35.58% | -7.59% |
Current DrawdownCurrent decline from peak | -27.02% | -16.76% | -10.26% |
Average DrawdownAverage peak-to-trough decline | -16.02% | -9.38% | -6.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.97% | 6.76% | -1.79% |
Volatility
BUFOX vs. BUFMX - Volatility Comparison
Buffalo Early Stage Growth Fund (BUFOX) has a higher volatility of 8.59% compared to Buffalo Mid Cap Fund (BUFMX) at 5.70%. This indicates that BUFOX's price experiences larger fluctuations and is considered to be riskier than BUFMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BUFOX | BUFMX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.59% | 5.70% | +2.89% |
Volatility (6M)Calculated over the trailing 6-month period | 17.03% | 11.68% | +5.35% |
Volatility (1Y)Calculated over the trailing 1-year period | 24.59% | 19.42% | +5.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.77% | 20.11% | +2.66% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.34% | 19.70% | +2.64% |