PRTBX vs. TRBUX
Compare and contrast key facts about Permanent Portfolio Short-Term Treasury Portfolio (PRTBX) and T. Rowe Price Ultra Short-Term Bond Fund (TRBUX).
PRTBX is managed by Permanent Portfolio. It was launched on Sep 21, 1987. TRBUX is managed by T. Rowe Price. It was launched on Dec 3, 2012.
Performance
PRTBX vs. TRBUX - Performance Comparison
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PRTBX vs. TRBUX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PRTBX Permanent Portfolio Short-Term Treasury Portfolio | 0.40% | 4.19% | 4.12% | 3.79% | -2.28% | -0.74% | 0.10% | 1.76% | 1.16% | 0.12% |
TRBUX T. Rowe Price Ultra Short-Term Bond Fund | 0.65% | 8.98% | 6.48% | 6.99% | -1.28% | 0.22% | 3.11% | 3.60% | 1.88% | 1.83% |
Returns By Period
In the year-to-date period, PRTBX achieves a 0.40% return, which is significantly lower than TRBUX's 0.65% return. Over the past 10 years, PRTBX has underperformed TRBUX with an annualized return of 1.22%, while TRBUX has yielded a comparatively higher 3.34% annualized return.
PRTBX
- 1D
- 0.05%
- 1M
- -0.05%
- YTD
- 0.40%
- 6M
- 1.23%
- 1Y
- 3.25%
- 3Y*
- 3.71%
- 5Y*
- 1.89%
- 10Y*
- 1.22%
TRBUX
- 1D
- 0.00%
- 1M
- -0.20%
- YTD
- 0.65%
- 6M
- 2.99%
- 1Y
- 8.39%
- 3Y*
- 7.01%
- 5Y*
- 4.28%
- 10Y*
- 3.34%
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PRTBX vs. TRBUX - Expense Ratio Comparison
PRTBX has a 0.65% expense ratio, which is higher than TRBUX's 0.31% expense ratio.
Return for Risk
PRTBX vs. TRBUX — Risk / Return Rank
PRTBX
TRBUX
PRTBX vs. TRBUX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Permanent Portfolio Short-Term Treasury Portfolio (PRTBX) and T. Rowe Price Ultra Short-Term Bond Fund (TRBUX). 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.
| PRTBX | TRBUX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 3.76 | 4.39 | -0.63 |
Sortino ratioReturn per unit of downside risk | 6.37 | 13.90 | -7.53 |
Omega ratioGain probability vs. loss probability | 1.96 | 5.56 | -3.60 |
Calmar ratioReturn relative to maximum drawdown | 7.63 | 22.36 | -14.73 |
Martin ratioReturn relative to average drawdown | 30.05 | 68.15 | -38.10 |
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
| PRTBX | TRBUX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.76 | 4.39 | -0.63 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 1.57 | 2.55 | -0.98 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 1.42 | 2.21 | -0.79 |
Sharpe Ratio (All Time)Calculated using the full available price history | 3.89 | 1.94 | +1.95 |
Correlation
The correlation between PRTBX and TRBUX is 0.16, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.
Dividends
PRTBX vs. TRBUX - Dividend Comparison
PRTBX's dividend yield for the trailing twelve months is around 3.37%, less than TRBUX's 8.06% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PRTBX Permanent Portfolio Short-Term Treasury Portfolio | 3.37% | 3.39% | 2.69% | 1.79% | 0.00% | 0.00% | 0.21% | 1.65% | 0.83% | 0.00% | 0.00% | 0.00% |
TRBUX T. Rowe Price Ultra Short-Term Bond Fund | 8.06% | 8.17% | 5.05% | 4.48% | 1.53% | 1.21% | 1.86% | 2.73% | 2.47% | 1.62% | 1.18% | 0.81% |
Drawdowns
PRTBX vs. TRBUX - Drawdown Comparison
The maximum PRTBX drawdown since its inception was -5.13%, which is greater than TRBUX's maximum drawdown of -4.15%. Use the drawdown chart below to compare losses from any high point for PRTBX and TRBUX.
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Drawdown Indicators
| PRTBX | TRBUX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.13% | -4.15% | -0.98% |
Max Drawdown (1Y)Largest decline over 1 year | -0.44% | -0.39% | -0.05% |
Max Drawdown (5Y)Largest decline over 5 years | -3.81% | -2.68% | -1.13% |
Max Drawdown (10Y)Largest decline over 10 years | -4.36% | -4.15% | -0.21% |
Current DrawdownCurrent decline from peak | -0.11% | -0.39% | +0.28% |
Average DrawdownAverage peak-to-trough decline | -0.96% | -0.22% | -0.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.11% | 0.13% | -0.02% |
Volatility
PRTBX vs. TRBUX - Volatility Comparison
Permanent Portfolio Short-Term Treasury Portfolio (PRTBX) has a higher volatility of 0.27% compared to T. Rowe Price Ultra Short-Term Bond Fund (TRBUX) at 0.20%. This indicates that PRTBX's price experiences larger fluctuations and is considered to be riskier than TRBUX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PRTBX | TRBUX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.27% | 0.20% | +0.07% |
Volatility (6M)Calculated over the trailing 6-month period | 0.41% | 1.32% | -0.91% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.88% | 2.06% | -1.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.21% | 1.70% | -0.49% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 0.86% | 1.52% | -0.66% |