BUFMX vs. BUFTX
BUFMX (Buffalo Mid Cap Fund) and BUFTX (Buffalo Discovery Fund) are both Mid Cap Growth Equities funds from Buffalo. Over the past 10 years, BUFMX returned 7.58%/yr vs 7.17%/yr for BUFTX. Their correlation of 0.94 means they have usually moved in the same direction. BUFMX charges 1.02%/yr vs 1.00%/yr for BUFTX.
Performance
BUFMX vs. BUFTX - Performance Comparison
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Returns By Period
In the year-to-date period, BUFMX achieves a -3.71% return, which is significantly lower than BUFTX's -2.93% return. Over the past 10 years, BUFMX has outperformed BUFTX with an annualized return of 7.58%, while BUFTX has yielded a comparatively lower 7.17% annualized return.
BUFMX
- 1D
- 2.41%
- 1M
- -1.75%
- 6M
- 1.74%
- YTD
- -3.71%
- 1Y
- -10.07%
- 3Y*
- 2.91%
- 5Y*
- -1.13%
- 10Y*
- 7.58%
- ALL TIME*
- 7.65%
BUFTX
- 1D
- 2.42%
- 1M
- -0.87%
- 6M
- 1.00%
- YTD
- -2.93%
- 1Y
- -8.70%
- 3Y*
- 2.96%
- 5Y*
- -2.05%
- 10Y*
- 7.17%
- ALL TIME*
- 8.08%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
BUFMX Buffalo Mid Cap Fund | $0.00 | $0.00 | $0.00 |
| $0.00 | $0.00 | $0.00 |
BUFMX vs. BUFTX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BUFMX Buffalo Mid Cap Fund | -3.71% | -1.68% | 6.73% | 26.92% | -27.89% | 14.39% | 34.24% | 37.96% | -7.29% | 13.59% |
BUFTX Buffalo Discovery Fund | -2.93% | -1.83% | 5.31% | 24.30% | -28.78% | 11.55% | 33.90% | 31.62% | -6.52% | 25.43% |
Correlation
The correlation between BUFMX and BUFTX is 0.96 - they have historically moved very closely together. At this level, their price movements offset little of one another.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.96 |
Correlation (3Y) Balances recent behavior with more history. | 0.96 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.97 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.96 |
Correlation (All Time) Calculated using the full available price history since Dec 14, 2001 | 0.94 |
The correlation between BUFMX and BUFTX has been stable across timeframes, ranging from 0.94 to 0.97 - a consistent structural relationship.
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Return for Risk
BUFMX vs. BUFTX — Risk / Return Rank
BUFMX
BUFTX
BUFMX vs. BUFTX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Buffalo Mid Cap Fund (BUFMX) and Buffalo Discovery Fund (BUFTX). 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 | BUFTX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.12 | ||
| Sortino ratioReturn per unit of downside risk | -0.17 | ||
| Omega ratioGain probability vs. loss probability | 0.92 | 0.95 | -0.02 |
| Calmar ratioReturn relative to maximum drawdown | -0.52 | -0.39 | -0.13 |
| Martin ratioReturn relative to average drawdown | -1.03 | -0.85 | -0.18 |
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Drawdowns
BUFMX vs. BUFTX - Drawdown Comparison
The maximum BUFMX drawdown since its inception was -58.44%, roughly equal to the maximum BUFTX drawdown of -60.45%. Use the drawdown chart below to compare losses from any high point for BUFMX and BUFTX.
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Drawdown Indicators
| BUFMX | BUFTX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.44% | -60.45% | +2.01% |
Max Drawdown (1Y)Largest decline over 1 year | -17.71% | -17.96% | +0.25% |
Max Drawdown (3Y)Largest decline over 3 years | -20.29% | -22.10% | +1.81% |
Max Drawdown (5Y)Largest decline over 5 years | -35.58% | -36.36% | +0.78% |
Max Drawdown (10Y)Largest decline over 10 years | -35.58% | -36.36% | +0.78% |
Current DrawdownCurrent decline from peak | -11.71% | -13.91% | +2.20% |
Average DrawdownAverage peak-to-trough decline | -9.41% | -11.34% | +1.93% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.91% | 8.32% | +0.59% |
Volatility
BUFMX vs. BUFTX - Volatility Comparison
Buffalo Mid Cap Fund (BUFMX) and Buffalo Discovery Fund (BUFTX) have volatilities of 6.15% and 6.19%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BUFMX | BUFTX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.15% | 6.19% | -0.04% |
Volatility (6M)Calculated over the trailing 6-month period | 14.11% | 13.71% | +0.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.02% | 16.96% | +0.06% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.43% | 21.32% | -0.89% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.80% | 20.47% | -0.67% |
BUFMX vs. BUFTX - Expense Ratio Comparison
BUFMX has a 1.02% expense ratio, which is higher than BUFTX's 1.00% expense ratio.
Dividends
BUFMX vs. BUFTX - Dividend Comparison
BUFMX's dividend yield for the trailing twelve months is around 10.71%, less than BUFTX's 21.78% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BUFMX Buffalo Mid Cap Fund | 10.71% | 10.31% | 6.93% | 5.21% | 5.46% | 11.45% | 6.91% | 8.20% | 4.47% | 25.22% | 8.49% | 13.06% |
BUFTX Buffalo Discovery Fund | 21.78% | 21.15% | 10.00% | 0.00% | 7.08% | 15.11% | 7.98% | 14.81% | 7.01% | 4.64% | 0.00% | 7.56% |
Frequently Asked Questions
With a correlation of 0.96, BUFMX and BUFTX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
BUFTX has higher volatility (6.19%) compared to BUFMX (6.15%). In terms of maximum drawdown, BUFMX dropped -58.44% vs BUFTX's -60.45%.
BUFTX currently has the higher Sharpe Ratio (-0.42 vs -0.54), 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.
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