BUFTX vs. BUFSX
BUFTX (Buffalo Discovery Fund) and BUFSX (Buffalo Small Cap Fund) are both mutual funds - BUFTX is a Mid Cap Growth Equities fund managed by Buffalo, while BUFSX is a Small Cap Growth Equities fund managed by Buffalo. Over the past 10 years, BUFTX returned 7.17%/yr vs 10.14%/yr for BUFSX. Their correlation of 0.90 means they have usually moved in the same direction. BUFTX charges 1.00%/yr vs 1.01%/yr for BUFSX.
Performance
BUFTX vs. BUFSX - Performance Comparison
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Returns By Period
In the year-to-date period, BUFTX achieves a -2.93% return, which is significantly lower than BUFSX's 13.59% return. Over the past 10 years, BUFTX has underperformed BUFSX with an annualized return of 7.17%, while BUFSX has yielded a comparatively higher 10.14% annualized return.
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%
BUFSX
- 1D
- 2.43%
- 1M
- -3.04%
- 6M
- 8.69%
- YTD
- 13.59%
- 1Y
- 16.66%
- 3Y*
- 5.17%
- 5Y*
- -3.41%
- 10Y*
- 10.14%
- ALL TIME*
- 10.65%
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 |
BUFTX vs. BUFSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BUFTX Buffalo Discovery Fund | -2.93% | -1.83% | 5.31% | 24.30% | -28.78% | 11.55% | 33.90% | 31.62% | -6.52% | 25.43% |
BUFSX Buffalo Small Cap Fund | 13.59% | -0.13% | 5.38% | 5.45% | -30.01% | 4.44% | 66.49% | 40.97% | -5.73% | 26.96% |
Correlation
The correlation between BUFTX and BUFSX is 0.88, 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. | 0.88 |
Correlation (3Y) Balances recent behavior with more history. | 0.90 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.92 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.91 |
Correlation (All Time) Calculated using the full available price history since Apr 16, 2001 | 0.90 |
The correlation between BUFTX and BUFSX has been stable across timeframes, ranging from 0.88 to 0.92 - a consistent structural relationship.
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Return for Risk
BUFTX vs. BUFSX — Risk / Return Rank
BUFTX
BUFSX
BUFTX vs. BUFSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Buffalo Discovery Fund (BUFTX) and Buffalo Small Cap Fund (BUFSX). 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.
| BUFTX | BUFSX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.34 | ||
| Sortino ratioReturn per unit of downside risk | -1.94 | ||
| Omega ratioGain probability vs. loss probability | 0.95 | 1.17 | -0.22 |
| Calmar ratioReturn relative to maximum drawdown | -0.39 | 1.25 | -1.64 |
| Martin ratioReturn relative to average drawdown | -0.85 | 4.24 | -5.09 |
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Drawdowns
BUFTX vs. BUFSX - Drawdown Comparison
The maximum BUFTX drawdown since its inception was -60.45%, which is greater than BUFSX's maximum drawdown of -53.24%. Use the drawdown chart below to compare losses from any high point for BUFTX and BUFSX.
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Drawdown Indicators
| BUFTX | BUFSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.45% | -53.24% | -7.21% |
Max Drawdown (1Y)Largest decline over 1 year | -17.96% | -14.92% | -3.04% |
Max Drawdown (3Y)Largest decline over 3 years | -22.10% | -26.39% | +4.29% |
Max Drawdown (5Y)Largest decline over 5 years | -36.36% | -46.57% | +10.21% |
Max Drawdown (10Y)Largest decline over 10 years | -36.36% | -46.74% | +10.38% |
Current DrawdownCurrent decline from peak | -13.91% | -22.63% | +8.72% |
Average DrawdownAverage peak-to-trough decline | -11.34% | -12.96% | +1.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.32% | 4.40% | +3.92% |
Volatility
BUFTX vs. BUFSX - Volatility Comparison
Buffalo Discovery Fund (BUFTX) and Buffalo Small Cap Fund (BUFSX) have volatilities of 6.19% and 6.36%, 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
| BUFTX | BUFSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.19% | 6.36% | -0.17% |
Volatility (6M)Calculated over the trailing 6-month period | 13.71% | 15.44% | -1.73% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.96% | 20.31% | -3.35% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.32% | 24.63% | -3.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.47% | 24.60% | -4.13% |
BUFTX vs. BUFSX - Expense Ratio Comparison
BUFTX has a 1.00% expense ratio, which is lower than BUFSX's 1.01% expense ratio.
Dividends
BUFTX vs. BUFSX - Dividend Comparison
BUFTX's dividend yield for the trailing twelve months is around 21.78%, while BUFSX has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BUFSX Buffalo Small Cap Fund | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 13.53% | 9.01% | 9.14% | 31.02% | 30.30% | 25.19% | 70.18% |
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
BUFTX and BUFSX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BUFSX has higher volatility (6.36%) compared to BUFTX (6.19%). In terms of maximum drawdown, BUFTX dropped -60.45% vs BUFSX's -53.24%.
BUFSX currently has the higher Sharpe Ratio (0.92 vs -0.42), 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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