BUFOX vs. BUFTX
BUFOX (Buffalo Early Stage Growth Fund) and BUFTX (Buffalo Discovery Fund) are both mutual funds - BUFOX is a Small Cap Growth Equities fund managed by Buffalo, while BUFTX is a Mid Cap Growth Equities fund managed by Buffalo. Over the past 10 years, BUFOX returned 10.18%/yr vs 6.99%/yr for BUFTX. Their correlation of 0.86 means they have usually moved in the same direction. BUFOX charges 1.46%/yr vs 1.00%/yr for BUFTX.
Performance
BUFOX vs. BUFTX - Performance Comparison
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Returns By Period
In the year-to-date period, BUFOX achieves a 12.18% return, which is significantly higher than BUFTX's -5.48% return. Over the past 10 years, BUFOX has outperformed BUFTX with an annualized return of 10.18%, while BUFTX has yielded a comparatively lower 6.99% annualized return.
BUFOX
- 1D
- 1.84%
- 1M
- -5.15%
- 6M
- 9.23%
- YTD
- 12.18%
- 1Y
- 18.95%
- 3Y*
- 5.50%
- 5Y*
- -2.22%
- 10Y*
- 10.18%
- ALL TIME*
- 8.28%
BUFTX
- 1D
- 2.96%
- 1M
- -3.48%
- 6M
- -4.52%
- YTD
- -5.48%
- 1Y
- -9.52%
- 3Y*
- 1.06%
- 5Y*
- -2.66%
- 10Y*
- 6.99%
- ALL TIME*
- 7.97%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
BUFOX vs. BUFTX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BUFOX Buffalo Early Stage Growth Fund | 12.18% | 3.09% | 7.52% | 9.83% | -30.78% | 7.43% | 47.85% | 34.06% | -3.78% | 27.03% |
BUFTX Buffalo Discovery Fund | -5.48% | -1.83% | 5.31% | 24.30% | -28.78% | 11.55% | 33.90% | 31.62% | -6.52% | 25.43% |
Correlation
The correlation between BUFOX and BUFTX is 0.82, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.82 |
Correlation (3Y) Balances recent behavior with more history. | 0.84 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.88 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.86 |
Correlation (All Time) Calculated using the full available price history since May 25, 2004 | 0.86 |
The correlation between BUFOX and BUFTX has been stable across timeframes, ranging from 0.82 to 0.88 - a consistent structural relationship.
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Return for Risk
BUFOX vs. BUFTX — Risk / Return Rank
BUFOX
BUFTX
BUFOX vs. BUFTX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Buffalo Early Stage Growth Fund (BUFOX) 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.
| BUFOX | BUFTX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.45 | ||
| Sortino ratioReturn per unit of downside risk | +2.12 | ||
| Omega ratioGain probability vs. loss probability | 1.13 | 0.90 | +0.23 |
| Calmar ratioReturn relative to maximum drawdown | 1.10 | -0.67 | +1.77 |
| Martin ratioReturn relative to average drawdown | 3.17 | -1.46 | +4.62 |
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Drawdowns
BUFOX vs. BUFTX - Drawdown Comparison
The maximum BUFOX drawdown since its inception was -69.71%, which is greater than BUFTX's maximum drawdown of -60.45%. Use the drawdown chart below to compare losses from any high point for BUFOX and BUFTX.
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Drawdown Indicators
| BUFOX | BUFTX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -69.71% | -60.45% | -9.26% |
Max Drawdown (1Y)Largest decline over 1 year | -15.52% | -18.16% | +2.64% |
Max Drawdown (3Y)Largest decline over 3 years | -24.62% | -22.10% | -2.52% |
Max Drawdown (5Y)Largest decline over 5 years | -43.17% | -36.36% | -6.81% |
Max Drawdown (10Y)Largest decline over 10 years | -43.17% | -36.36% | -6.81% |
Current DrawdownCurrent decline from peak | -13.72% | -16.18% | +2.46% |
Average DrawdownAverage peak-to-trough decline | -16.01% | -11.34% | -4.67% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.38% | 9.11% | -3.73% |
Volatility
BUFOX vs. BUFTX - Volatility Comparison
Buffalo Early Stage Growth Fund (BUFOX) has a higher volatility of 6.47% compared to Buffalo Discovery Fund (BUFTX) at 5.67%. This indicates that BUFOX's price experiences larger fluctuations and is considered to be riskier than BUFTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BUFOX | BUFTX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.47% | 5.67% | +0.80% |
Volatility (6M)Calculated over the trailing 6-month period | 17.35% | 13.61% | +3.74% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.25% | 16.87% | +6.38% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.03% | 21.30% | +1.73% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.43% | 20.45% | +1.98% |
BUFOX vs. BUFTX - Expense Ratio Comparison
BUFOX has a 1.46% expense ratio, which is higher than BUFTX's 1.00% expense ratio.
Dividends
BUFOX vs. BUFTX - Dividend Comparison
BUFOX's dividend yield for the trailing twelve months is around 4.55%, less than BUFTX's 22.37% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BUFOX Buffalo Early Stage Growth Fund | 4.55% | 5.10% | 0.00% | 0.00% | 1.20% | 15.83% | 11.19% | 4.77% | 14.50% | 20.01% | 8.35% | 8.53% |
BUFTX Buffalo Discovery Fund | 22.37% | 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
BUFOX and BUFTX have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BUFOX has higher volatility (6.47%) compared to BUFTX (5.67%). In terms of maximum drawdown, BUFOX dropped -69.71% vs BUFTX's -60.45%.
BUFOX currently has the higher Sharpe Ratio (0.73 vs -0.72), 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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