BUFIX vs. BUFOX
BUFIX (Buffalo International Fund) and BUFOX (Buffalo Early Stage Growth Fund) are both mutual funds - BUFIX is a Foreign Large Cap Equities fund managed by Buffalo, while BUFOX is a Small Cap Growth Equities fund managed by Buffalo. Over the past 10 years, BUFIX returned 9.84%/yr vs 10.18%/yr for BUFOX. Their 0.68 correlation means they have sometimes moved together and sometimes differently. BUFIX charges 1.03%/yr vs 1.46%/yr for BUFOX.
Performance
BUFIX vs. BUFOX - Performance Comparison
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Returns By Period
In the year-to-date period, BUFIX achieves a 15.10% return, which is significantly higher than BUFOX's 12.18% return. Both investments have delivered pretty close results over the past 10 years, with BUFIX having a 9.84% annualized return and BUFOX not far ahead at 10.18%.
BUFIX
- 1D
- 3.23%
- 1M
- -2.38%
- 6M
- 9.56%
- YTD
- 15.10%
- 1Y
- 20.65%
- 3Y*
- 10.10%
- 5Y*
- 4.67%
- 10Y*
- 9.84%
- ALL TIME*
- 6.27%
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%
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 |
BUFIX vs. BUFOX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BUFIX Buffalo International Fund | 15.10% | 17.09% | -1.90% | 18.33% | -21.80% | 18.20% | 19.10% | 28.01% | -8.85% | 29.33% |
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% |
Correlation
The correlation between BUFIX and BUFOX is 0.75, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.75 |
Correlation (3Y) Balances recent behavior with more history. | 0.72 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.74 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.70 |
Correlation (All Time) Calculated using the full available price history since Oct 1, 2007 | 0.68 |
The correlation between BUFIX and BUFOX has been stable across timeframes, ranging from 0.68 to 0.75 - a consistent structural relationship.
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Return for Risk
BUFIX vs. BUFOX — Risk / Return Rank
BUFIX
BUFOX
BUFIX vs. BUFOX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Buffalo International Fund (BUFIX) and Buffalo Early Stage Growth Fund (BUFOX). 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.
| BUFIX | BUFOX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.18 | ||
| Sortino ratioReturn per unit of downside risk | +0.16 | ||
| Omega ratioGain probability vs. loss probability | 1.18 | 1.13 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.43 | 1.10 | +0.33 |
| Martin ratioReturn relative to average drawdown | 4.81 | 3.17 | +1.64 |
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Drawdowns
BUFIX vs. BUFOX - Drawdown Comparison
The maximum BUFIX drawdown since its inception was -55.09%, smaller than the maximum BUFOX drawdown of -69.71%. Use the drawdown chart below to compare losses from any high point for BUFIX and BUFOX.
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Drawdown Indicators
| BUFIX | BUFOX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.09% | -69.71% | +14.62% |
Max Drawdown (1Y)Largest decline over 1 year | -12.85% | -15.52% | +2.67% |
Max Drawdown (3Y)Largest decline over 3 years | -15.52% | -24.62% | +9.10% |
Max Drawdown (5Y)Largest decline over 5 years | -34.93% | -43.17% | +8.24% |
Max Drawdown (10Y)Largest decline over 10 years | -34.93% | -43.17% | +8.24% |
Current DrawdownCurrent decline from peak | -5.04% | -13.72% | +8.68% |
Average DrawdownAverage peak-to-trough decline | -9.12% | -16.01% | +6.89% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.83% | 5.38% | -1.55% |
Volatility
BUFIX vs. BUFOX - Volatility Comparison
Buffalo International Fund (BUFIX) and Buffalo Early Stage Growth Fund (BUFOX) have volatilities of 6.64% and 6.47%, 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
| BUFIX | BUFOX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.64% | 6.47% | +0.17% |
Volatility (6M)Calculated over the trailing 6-month period | 18.16% | 17.35% | +0.81% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.17% | 23.25% | -3.08% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.20% | 23.03% | -4.83% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.62% | 22.43% | -4.81% |
BUFIX vs. BUFOX - Expense Ratio Comparison
BUFIX has a 1.03% expense ratio, which is lower than BUFOX's 1.46% expense ratio.
Dividends
BUFIX vs. BUFOX - Dividend Comparison
BUFIX's dividend yield for the trailing twelve months is around 0.74%, less than BUFOX's 4.55% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BUFIX Buffalo International Fund | 0.74% | 0.85% | 0.84% | 0.59% | 1.85% | 1.20% | 0.28% | 0.57% | 2.42% | 0.36% | 0.00% | 0.51% |
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% |
Frequently Asked Questions
BUFIX and BUFOX have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BUFIX has higher volatility (6.64%) compared to BUFOX (6.47%). In terms of maximum drawdown, BUFIX dropped -55.09% vs BUFOX's -69.71%.
BUFIX currently has the higher Sharpe Ratio (0.92 vs 0.73), 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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