Buffalo Early Stage Growth Fund (BUFOX) Sortino Ratio: 0.47
BUFOX's Sortino Ratio of 0.47 indicates that for each unit of downside volatility, it generates 0.47 units of excess return. The ratio is calculated using historical daily returns over the past 12 months (as of Apr 1, 2026).
Unlike other measures, Sortino only focuses on downside volatility (losses), making it particularly useful for investors more concerned about protecting against drawdowns than overall price swings.
BUFOX Sortino Ratio Rank
BUFOX ranks above 10.4% of all investments in our database based on Sortino Ratio over the past 12 months, indicating weak returns relative to downside risk taken. Securities are ranked from 0 (worst) to 100 (best).
What moves the rank
- Strong returns with minimal downside volatility → Higher rank
- Severe or frequent drawdowns → Lower rank
- Upside volatility → No impact (Sortino doesn't penalize upside swings)
What you can do with this information
- Weak downside-adjusted returns relative to category peers
- Evaluate whether this holding aligns with your risk-return objectives
- Consider reducing exposure or implementing downside hedges
- Review higher-ranked alternatives in the same category
BUFOX Sortino Ratio Market Positioning
The chart shows BUFOX's Sortino Ratio relative to all mutual funds on our platform, with color zones indicating percentile rankings. Higher ratios indicate better downside-adjusted returns.
- Red zone (bottom 25%): 1.02 or lower
- Yellow zone (middle 50%): 1.02 to 1.90
- Green zone (top 25%): 1.90 or higher
- Top 1%: 7.30+
- Median: 1.45 — half of all investments score higher
How it compares to other similar mutual funds
The table compares Buffalo Early Stage Growth Fund's Sortino Ratio with other mutual funds in the Small Cap Growth Equities category across multiple time periods, showing how BUFOX's risk-adjusted performance compares to similar funds.
Data shows 1-, 5-, and 10-year periods, plus each fund's all-time average, as of Apr 1, 2026.
| Symbol | Name | 1Y Sortino Ratio | 5Y Sortino Ratio | 10Y Sortino Ratio | All Time Sortino Ratio |
|---|---|---|---|---|---|
| NEAIX | Needham Aggressive Growth Fund Institutional Class | 2.45 | |||
| NEAGX | Needham Aggressive Growth Fund | 2.42 | |||
| DMCRX | Driehaus Micro Cap Growth Fund | 2.26 | |||
| OBMCX | Oberweis Micro Cap Fund | 2.15 | |||
| DSCIX | Dana Epiphany ESG Small Cap Equity Fund | 2.06 | |||
| HRSMX | Hood River Small-Cap Growth Fund | 2.03 | |||
| ODIIX | Invesco Discovery Fund Class R6 | 2.01 | |||
| FGROX | Emerald Growth Fund Institutional Class | 1.96 | |||
| HSPGX | Emerald Growth Fund | 1.95 | |||
| NESIX | Needham Small Cap Growth Fund Institutional | 1.91 | |||
| BUFOX | Buffalo Early Stage Growth Fund | 0.47 |
Historical Sortino Ratio
The chart shows BUFOX's rolling Sortino ratio over time compared to your chosen benchmark. Rising trends indicate improving returns relative to downside risk, while declining trends may signal deteriorating risk-adjusted performance or increased volatility during market stress. Use multiple timeframes to distinguish short-term fluctuations from long-term patterns.
Identify market cycles by observing when BUFOX consistently outperforms (line above benchmark), underperforms (below benchmark), or aligns with the benchmark.
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Explore BUFOX risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.