BUFMX vs. BUFHX
BUFMX (Buffalo Mid Cap Fund) and BUFHX (Buffalo High Yield Fund) are both mutual funds - BUFMX is a Mid Cap Growth Equities fund managed by Buffalo, while BUFHX is a High Yield Bonds fund managed by Buffalo. Over the past 10 years, BUFMX returned 8.84%/yr vs 5.43%/yr for BUFHX. A 0.62 correlation means they provide meaningful diversification when combined. Both charge a 1.02% expense ratio.
Performance
BUFMX vs. BUFHX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, BUFMX achieves a -0.96% return, which is significantly lower than BUFHX's 1.90% return. Over the past 10 years, BUFMX has outperformed BUFHX with an annualized return of 8.84%, while BUFHX has yielded a comparatively lower 5.43% annualized return.
BUFMX
- 1D
- 0.56%
- 1M
- 4.72%
- YTD
- -0.96%
- 6M
- -2.04%
- 1Y
- -5.36%
- 3Y*
- 5.01%
- 5Y*
- -0.27%
- 10Y*
- 8.84%
BUFHX
- 1D
- -0.10%
- 1M
- 0.58%
- YTD
- 1.90%
- 6M
- 2.09%
- 1Y
- 4.69%
- 3Y*
- 8.30%
- 5Y*
- 4.79%
- 10Y*
- 5.43%
BUFMX vs. BUFHX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BUFMX Buffalo Mid Cap Fund | -0.96% | -1.68% | 6.73% | 26.92% | -27.89% | 14.39% | 34.24% | 37.96% | -7.29% | 13.59% |
BUFHX Buffalo High Yield Fund | 1.90% | 5.11% | 10.35% | 11.68% | -5.53% | 5.52% | 9.26% | 12.33% | -2.26% | 5.98% |
Correlation
The correlation between BUFMX and BUFHX is 0.58, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.58 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.56 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.56 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.60 |
Correlation (All Time) Calculated using the full available price history since Dec 14, 2001 | 0.62 |
The correlation between BUFMX and BUFHX has been stable across timeframes, ranging from 0.56 to 0.62 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
BUFMX vs. BUFHX — Risk / Return Rank
BUFMX
BUFHX
BUFMX vs. BUFHX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Buffalo Mid Cap Fund (BUFMX) and Buffalo High Yield Fund (BUFHX). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| BUFMX | BUFHX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.21 | ||
| Sortino ratioReturn per unit of downside risk | -3.22 | ||
| Omega ratioGain probability vs. loss probability | 0.97 | 1.41 | -0.44 |
| Calmar ratioReturn relative to maximum drawdown | -0.25 | 2.26 | -2.51 |
| Martin ratioReturn relative to average drawdown | -0.52 | 9.54 | -10.05 |
Loading charts...
Drawdowns
BUFMX vs. BUFHX - Drawdown Comparison
The maximum BUFMX drawdown since its inception was -58.44%, which is greater than BUFHX's maximum drawdown of -26.01%. Use the drawdown chart below to compare losses from any high point for BUFMX and BUFHX.
Loading charts...
Drawdown Indicators
| BUFMX | BUFHX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.44% | -26.01% | -32.43% |
Max Drawdown (1Y)Largest decline over 1 year | -18.37% | -2.13% | -16.24% |
Max Drawdown (3Y)Largest decline over 3 years | -20.29% | -3.83% | -16.46% |
Max Drawdown (5Y)Largest decline over 5 years | -35.58% | -9.98% | -25.60% |
Max Drawdown (10Y)Largest decline over 10 years | -35.58% | -18.74% | -16.84% |
Current DrawdownCurrent decline from peak | -9.19% | -0.19% | -9.00% |
Average DrawdownAverage peak-to-trough decline | -9.40% | -2.02% | -7.38% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.75% | 0.50% | +8.25% |
Volatility
BUFMX vs. BUFHX - Volatility Comparison
Buffalo Mid Cap Fund (BUFMX) has a higher volatility of 6.01% compared to Buffalo High Yield Fund (BUFHX) at 0.56%. This indicates that BUFMX's price experiences larger fluctuations and is considered to be riskier than BUFHX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BUFMX | BUFHX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.01% | 0.56% | +5.45% |
Volatility (6M)Calculated over the trailing 6-month period | 12.69% | 1.97% | +10.72% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.70% | 2.51% | +13.19% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.23% | 3.15% | +17.08% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.77% | 4.04% | +15.73% |
BUFMX vs. BUFHX - Expense Ratio Comparison
Both BUFMX and BUFHX have an expense ratio of 1.02%.
Dividends
BUFMX vs. BUFHX - Dividend Comparison
BUFMX's dividend yield for the trailing twelve months is around 10.41%, more than BUFHX's 7.08% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BUFHX Buffalo High Yield Fund | 7.08% | 6.84% | 8.03% | 6.41% | 8.05% | 7.24% | 4.11% | 4.21% | 5.17% | 4.57% | 3.85% | 5.51% |
BUFMX Buffalo Mid Cap Fund | 10.41% | 10.31% | 6.93% | 5.21% | 5.46% | 11.45% | 6.91% | 8.20% | 4.47% | 25.22% | 8.49% | 13.06% |
Frequently Asked Questions
BUFMX and BUFHX have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BUFMX has higher volatility (6.01%) compared to BUFHX (0.56%). In terms of maximum drawdown, BUFMX dropped -58.44% vs BUFHX's -26.01%.
BUFHX currently has the higher Sharpe Ratio (1.92 vs -0.29), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for BUFMX and BUFHX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer