BUFEX vs. PRGTX
BUFEX (Buffalo Large Cap Fund) and PRGTX (T. Rowe Price Global Technology Fund) are both mutual funds - BUFEX is a Large Cap Growth Equities fund managed by Buffalo, while PRGTX is a Technology Equities fund managed by T. Rowe Price. Over the past 10 years, BUFEX returned 14.97%/yr vs 17.34%/yr for PRGTX. Their correlation of 0.87 means they have usually moved in the same direction. Both charge a 0.93% expense ratio.
Performance
BUFEX vs. PRGTX - Performance Comparison
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Returns By Period
In the year-to-date period, BUFEX achieves a 5.27% return, which is significantly lower than PRGTX's 23.62% return. Over the past 10 years, BUFEX has underperformed PRGTX with an annualized return of 14.97%, while PRGTX has yielded a comparatively higher 17.34% annualized return.
BUFEX
- 1D
- 2.47%
- 1M
- -1.13%
- 6M
- 5.77%
- YTD
- 5.27%
- 1Y
- 13.54%
- 3Y*
- 19.23%
- 5Y*
- 10.85%
- 10Y*
- 14.97%
- ALL TIME*
- 10.90%
PRGTX
- 1D
- 5.19%
- 1M
- -5.99%
- 6M
- 20.57%
- YTD
- 23.62%
- 1Y
- 40.50%
- 3Y*
- 30.64%
- 5Y*
- 6.46%
- 10Y*
- 17.34%
- ALL TIME*
- 11.93%
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 |
BUFEX vs. PRGTX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
BUFEX Buffalo Large Cap Fund | 5.27% | 16.27% | 28.86% | 40.39% | -28.64% | 25.55% | 28.08% | 31.76% | -1.60% | 24.86% |
PRGTX T. Rowe Price Global Technology Fund | 23.62% | 27.28% | 33.12% | 55.92% | -55.53% | 8.85% | 75.77% | 34.22% | -10.07% | 47.09% |
Correlation
The correlation between BUFEX and PRGTX is 0.89, 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. | 0.89 |
Correlation (3Y) Balances recent behavior with more history. | 0.90 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.88 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.85 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 2001 | 0.87 |
The correlation between BUFEX and PRGTX has been stable across timeframes, ranging from 0.85 to 0.90 - a consistent structural relationship.
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Return for Risk
BUFEX vs. PRGTX — Risk / Return Rank
BUFEX
PRGTX
BUFEX vs. PRGTX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Buffalo Large Cap Fund (BUFEX) and T. Rowe Price Global Technology Fund (PRGTX). 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.
| BUFEX | PRGTX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.50 | ||
| Sortino ratioReturn per unit of downside risk | -0.60 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 1.23 | -0.09 |
| Calmar ratioReturn relative to maximum drawdown | 0.87 | 1.99 | -1.12 |
| Martin ratioReturn relative to average drawdown | 2.85 | 6.74 | -3.89 |
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Drawdowns
BUFEX vs. PRGTX - Drawdown Comparison
The maximum BUFEX drawdown since its inception was -54.12%, smaller than the maximum PRGTX drawdown of -71.18%. Use the drawdown chart below to compare losses from any high point for BUFEX and PRGTX.
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Drawdown Indicators
| BUFEX | PRGTX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.12% | -71.18% | +17.06% |
Max Drawdown (1Y)Largest decline over 1 year | -13.76% | -18.50% | +4.74% |
Max Drawdown (3Y)Largest decline over 3 years | -21.46% | -26.67% | +5.21% |
Max Drawdown (5Y)Largest decline over 5 years | -32.54% | -65.29% | +32.75% |
Max Drawdown (10Y)Largest decline over 10 years | -32.54% | -65.29% | +32.75% |
Current DrawdownCurrent decline from peak | -4.68% | -14.26% | +9.58% |
Average DrawdownAverage peak-to-trough decline | -9.20% | -21.45% | +12.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.17% | 5.45% | -1.28% |
Volatility
BUFEX vs. PRGTX - Volatility Comparison
The current volatility for Buffalo Large Cap Fund (BUFEX) is 4.70%, while T. Rowe Price Global Technology Fund (PRGTX) has a volatility of 11.71%. This indicates that BUFEX experiences smaller price fluctuations and is considered to be less risky than PRGTX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BUFEX | PRGTX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.70% | 11.71% | -7.01% |
Volatility (6M)Calculated over the trailing 6-month period | 12.43% | 25.46% | -13.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.53% | 29.02% | -13.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.96% | 32.66% | -12.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.54% | 28.83% | -9.29% |
BUFEX vs. PRGTX - Expense Ratio Comparison
Both BUFEX and PRGTX have an expense ratio of 0.93%.
Dividends
BUFEX vs. PRGTX - Dividend Comparison
BUFEX's dividend yield for the trailing twelve months is around 6.41%, while PRGTX has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BUFEX Buffalo Large Cap Fund | 6.41% | 6.75% | 3.65% | 0.03% | 3.07% | 25.69% | 0.14% | 1.42% | 6.00% | 5.33% | 0.00% | 6.83% |
PRGTX T. Rowe Price Global Technology Fund | 0.00% | 0.00% | 0.00% | 0.00% | 3.28% | 27.71% | 5.05% | 0.15% | 24.67% | 15.81% | 9.46% | 10.03% |
Frequently Asked Questions
BUFEX and PRGTX have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PRGTX has higher volatility (11.71%) compared to BUFEX (4.70%). In terms of maximum drawdown, BUFEX dropped -54.12% vs PRGTX's -71.18%.
PRGTX currently has the higher Sharpe Ratio (1.27 vs 0.77), 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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