BUFTX vs. VTI
BUFTX (Buffalo Discovery Fund) and VTI (Vanguard Total Stock Market ETF) are both funds - BUFTX is a Mid Cap Growth Equities fund managed by Buffalo, while VTI is a Large Cap Blend Equities fund tracking the CRSP US Total Market Index. Over the past 10 years, BUFTX returned 6.99%/yr vs 14.63%/yr for VTI. Their correlation of 0.89 means they have usually moved in the same direction. BUFTX charges 1.00%/yr vs 0.03%/yr for VTI.
Performance
BUFTX vs. VTI - Performance Comparison
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Returns By Period
In the year-to-date period, BUFTX achieves a -5.48% return, which is significantly lower than VTI's 10.49% return. Over the past 10 years, BUFTX has underperformed VTI with an annualized return of 6.99%, while VTI has yielded a comparatively higher 14.63% annualized return.
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%
VTI
- 1D
- 0.53%
- 1M
- -0.15%
- 6M
- 8.77%
- YTD
- 10.49%
- 1Y
- 21.84%
- 3Y*
- 18.92%
- 5Y*
- 11.74%
- 10Y*
- 14.63%
- ALL TIME*
- 9.58%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $1.06B | $1.16B | $1.24B |
BUFTX vs. VTI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BUFTX Buffalo Discovery Fund | -5.48% | -1.83% | 5.31% | 24.30% | -28.78% | 11.55% | 33.90% | 31.62% | -6.52% | 25.43% |
VTI Vanguard Total Stock Market ETF | 10.49% | 17.10% | 23.81% | 26.05% | -19.52% | 25.68% | 21.08% | 30.67% | -5.23% | 21.21% |
Correlation
The correlation between BUFTX and VTI is 0.81, 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. | 0.81 |
Correlation (3Y) Balances recent behavior with more history. | 0.86 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.90 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.89 |
Correlation (All Time) Calculated using the full available price history since May 31, 2001 | 0.89 |
The correlation between BUFTX and VTI has been stable across timeframes, ranging from 0.81 to 0.90 - a consistent structural relationship.
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Return for Risk
BUFTX vs. VTI — Risk / Return Rank
BUFTX
VTI
BUFTX vs. VTI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Buffalo Discovery Fund (BUFTX) and Vanguard Total Stock Market ETF (VTI). 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 | VTI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.24 | ||
| Sortino ratioReturn per unit of downside risk | -3.06 | ||
| Omega ratioGain probability vs. loss probability | 0.90 | 1.27 | -0.37 |
| Calmar ratioReturn relative to maximum drawdown | -0.67 | 2.23 | -2.90 |
| Martin ratioReturn relative to average drawdown | -1.46 | 9.62 | -11.08 |
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Drawdowns
BUFTX vs. VTI - Drawdown Comparison
The maximum BUFTX drawdown since its inception was -60.45%, which is greater than VTI's maximum drawdown of -55.45%. Use the drawdown chart below to compare losses from any high point for BUFTX and VTI.
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Drawdown Indicators
| BUFTX | VTI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.45% | -55.45% | -5.00% |
Max Drawdown (1Y)Largest decline over 1 year | -18.16% | -8.92% | -9.24% |
Max Drawdown (3Y)Largest decline over 3 years | -22.10% | -19.30% | -2.80% |
Max Drawdown (5Y)Largest decline over 5 years | -36.36% | -25.36% | -11.00% |
Max Drawdown (10Y)Largest decline over 10 years | -36.36% | -35.00% | -1.36% |
Current DrawdownCurrent decline from peak | -16.18% | -1.36% | -14.82% |
Average DrawdownAverage peak-to-trough decline | -11.34% | -7.99% | -3.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.11% | 2.07% | +7.04% |
Volatility
BUFTX vs. VTI - Volatility Comparison
Buffalo Discovery Fund (BUFTX) has a higher volatility of 5.67% compared to Vanguard Total Stock Market ETF (VTI) at 3.46%. This indicates that BUFTX's price experiences larger fluctuations and is considered to be riskier than VTI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BUFTX | VTI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.67% | 3.46% | +2.21% |
Volatility (6M)Calculated over the trailing 6-month period | 13.61% | 10.24% | +3.37% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.87% | 13.10% | +3.77% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.30% | 17.51% | +3.79% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.45% | 18.30% | +2.15% |
BUFTX vs. VTI - Expense Ratio Comparison
BUFTX has a 1.00% expense ratio, which is higher than VTI's 0.03% expense ratio.
Dividends
BUFTX vs. VTI - Dividend Comparison
BUFTX's dividend yield for the trailing twelve months is around 22.37%, more than VTI's 1.06% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
VTI Vanguard Total Stock Market ETF | 1.06% | 1.12% | 1.27% | 1.44% | 1.66% | 1.21% | 1.42% | 1.78% | 2.04% | 1.71% | 1.92% | 1.98% |
Frequently Asked Questions
BUFTX and VTI have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BUFTX has higher volatility (5.67%) compared to VTI (3.46%). In terms of maximum drawdown, BUFTX dropped -60.45% vs VTI's -55.45%.
VTI currently has the higher Sharpe Ratio (1.52 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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