PRGMX vs. RFBAX
Compare and contrast key facts about T. Rowe Price GNMA Fund (PRGMX) and Davis Government Bond Fund (RFBAX).
PRGMX is managed by T. Rowe Price. It was launched on Nov 25, 1985. RFBAX is managed by Davis Funds. It was launched on Nov 30, 1994.
Performance
PRGMX vs. RFBAX - Performance Comparison
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PRGMX vs. RFBAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PRGMX T. Rowe Price GNMA Fund | 0.62% | 10.46% | 0.92% | 5.62% | -11.45% | -2.18% | 4.21% | 5.18% | 0.58% | 1.23% |
RFBAX Davis Government Bond Fund | 0.32% | 4.49% | 4.33% | 3.63% | -5.29% | -1.48% | 1.69% | 3.23% | 0.42% | 0.21% |
Returns By Period
In the year-to-date period, PRGMX achieves a 0.62% return, which is significantly higher than RFBAX's 0.32% return. Over the past 10 years, PRGMX has outperformed RFBAX with an annualized return of 1.38%, while RFBAX has yielded a comparatively lower 1.03% annualized return.
PRGMX
- 1D
- 0.49%
- 1M
- -2.15%
- YTD
- 0.62%
- 6M
- 2.89%
- 1Y
- 8.10%
- 3Y*
- 4.70%
- 5Y*
- 0.69%
- 10Y*
- 1.38%
RFBAX
- 1D
- 0.00%
- 1M
- -0.39%
- YTD
- 0.32%
- 6M
- 0.87%
- 1Y
- 3.01%
- 3Y*
- 3.84%
- 5Y*
- 1.21%
- 10Y*
- 1.03%
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PRGMX vs. RFBAX - Expense Ratio Comparison
PRGMX has a 0.58% expense ratio, which is lower than RFBAX's 1.00% expense ratio.
Return for Risk
PRGMX vs. RFBAX — Risk / Return Rank
PRGMX
RFBAX
PRGMX vs. RFBAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price GNMA Fund (PRGMX) and Davis Government Bond Fund (RFBAX). 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.
| PRGMX | RFBAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.80 | 1.81 | -0.01 |
Sortino ratioReturn per unit of downside risk | 2.59 | 2.96 | -0.37 |
Omega ratioGain probability vs. loss probability | 1.33 | 1.49 | -0.16 |
Calmar ratioReturn relative to maximum drawdown | 3.15 | 4.51 | -1.35 |
Martin ratioReturn relative to average drawdown | 9.25 | 15.32 | -6.07 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| PRGMX | RFBAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.80 | 1.81 | -0.01 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.11 | 0.59 | -0.48 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.29 | 0.58 | -0.29 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.94 | 1.04 | -0.11 |
Correlation
The correlation between PRGMX and RFBAX is 0.62, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
PRGMX vs. RFBAX - Dividend Comparison
PRGMX's dividend yield for the trailing twelve months is around 6.91%, more than RFBAX's 2.77% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PRGMX T. Rowe Price GNMA Fund | 6.91% | 6.52% | 3.54% | 3.54% | 1.38% | 0.59% | 1.44% | 2.39% | 2.78% | 2.98% | 2.88% | 3.12% |
RFBAX Davis Government Bond Fund | 2.77% | 3.01% | 3.23% | 2.15% | 0.80% | 0.57% | 0.93% | 1.67% | 1.17% | 0.59% | 0.68% | 0.75% |
Drawdowns
PRGMX vs. RFBAX - Drawdown Comparison
The maximum PRGMX drawdown since its inception was -18.22%, which is greater than RFBAX's maximum drawdown of -8.03%. Use the drawdown chart below to compare losses from any high point for PRGMX and RFBAX.
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Drawdown Indicators
| PRGMX | RFBAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.22% | -8.03% | -10.19% |
Max Drawdown (1Y)Largest decline over 1 year | -2.93% | -0.77% | -2.16% |
Max Drawdown (5Y)Largest decline over 5 years | -17.70% | -7.61% | -10.09% |
Max Drawdown (10Y)Largest decline over 10 years | -18.22% | -8.03% | -10.19% |
Current DrawdownCurrent decline from peak | -2.15% | -0.58% | -1.57% |
Average DrawdownAverage peak-to-trough decline | -2.25% | -1.19% | -1.06% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.00% | 0.23% | +0.77% |
Volatility
PRGMX vs. RFBAX - Volatility Comparison
T. Rowe Price GNMA Fund (PRGMX) has a higher volatility of 1.75% compared to Davis Government Bond Fund (RFBAX) at 0.48%. This indicates that PRGMX's price experiences larger fluctuations and is considered to be riskier than RFBAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PRGMX | RFBAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.75% | 0.48% | +1.27% |
Volatility (6M)Calculated over the trailing 6-month period | 2.79% | 1.19% | +1.60% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.77% | 1.93% | +2.84% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.33% | 2.06% | +4.27% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.73% | 1.78% | +2.95% |