PRTIX vs. VSBIX
Compare and contrast key facts about T. Rowe Price U.S. Treasury Intermediate Index Fund (PRTIX) and Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX).
PRTIX is managed by T. Rowe Price. It was launched on Sep 28, 1989. VSBIX is managed by Vanguard. It was launched on Aug 23, 2010.
Performance
PRTIX vs. VSBIX - Performance Comparison
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PRTIX vs. VSBIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PRTIX T. Rowe Price U.S. Treasury Intermediate Index Fund | -0.50% | 10.59% | 0.65% | 3.49% | -12.61% | -2.99% | 8.05% | 6.65% | 1.02% | 1.24% |
VSBIX Vanguard Short-Term Treasury Index Fund Institutional Shares | 0.24% | 5.11% | 4.37% | 4.28% | -3.87% | -0.67% | 3.11% | 3.53% | 1.52% | 0.40% |
Returns By Period
In the year-to-date period, PRTIX achieves a -0.50% return, which is significantly lower than VSBIX's 0.24% return. Over the past 10 years, PRTIX has underperformed VSBIX with an annualized return of 1.10%, while VSBIX has yielded a comparatively higher 1.76% annualized return.
PRTIX
- 1D
- 0.40%
- 1M
- -2.31%
- YTD
- -0.50%
- 6M
- 1.56%
- 1Y
- 6.65%
- 3Y*
- 3.59%
- 5Y*
- 0.09%
- 10Y*
- 1.10%
VSBIX
- 1D
- 0.20%
- 1M
- -0.48%
- YTD
- 0.24%
- 6M
- 1.33%
- 1Y
- 3.69%
- 3Y*
- 4.11%
- 5Y*
- 1.85%
- 10Y*
- 1.76%
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PRTIX vs. VSBIX - Expense Ratio Comparison
PRTIX has a 0.27% expense ratio, which is higher than VSBIX's 0.05% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
PRTIX vs. VSBIX — Risk / Return Rank
PRTIX
VSBIX
PRTIX vs. VSBIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price U.S. Treasury Intermediate Index Fund (PRTIX) and Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX). 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.
| PRTIX | VSBIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.61 | 2.66 | -1.05 |
Sortino ratioReturn per unit of downside risk | 2.42 | 4.36 | -1.94 |
Omega ratioGain probability vs. loss probability | 1.30 | 1.58 | -0.28 |
Calmar ratioReturn relative to maximum drawdown | 2.49 | 4.86 | -2.38 |
Martin ratioReturn relative to average drawdown | 8.00 | 18.79 | -10.79 |
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
| PRTIX | VSBIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.61 | 2.66 | -1.05 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.01 | 0.96 | -0.94 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.22 | 1.15 | -0.94 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.89 | 1.09 | -0.20 |
Correlation
The correlation between PRTIX and VSBIX is 0.78, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
PRTIX vs. VSBIX - Dividend Comparison
PRTIX's dividend yield for the trailing twelve months is around 6.49%, more than VSBIX's 3.59% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PRTIX T. Rowe Price U.S. Treasury Intermediate Index Fund | 6.49% | 6.44% | 3.87% | 3.99% | 1.17% | 0.76% | 2.80% | 2.08% | 1.86% | 1.60% | 2.25% | 2.48% |
VSBIX Vanguard Short-Term Treasury Index Fund Institutional Shares | 3.59% | 3.99% | 4.52% | 3.31% | 1.14% | 0.65% | 1.74% | 2.28% | 1.81% | 1.11% | 0.80% | 0.74% |
Drawdowns
PRTIX vs. VSBIX - Drawdown Comparison
The maximum PRTIX drawdown since its inception was -18.93%, which is greater than VSBIX's maximum drawdown of -5.74%. Use the drawdown chart below to compare losses from any high point for PRTIX and VSBIX.
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Drawdown Indicators
| PRTIX | VSBIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.93% | -5.74% | -13.19% |
Max Drawdown (1Y)Largest decline over 1 year | -2.89% | -0.81% | -2.08% |
Max Drawdown (5Y)Largest decline over 5 years | -17.70% | -5.74% | -11.96% |
Max Drawdown (10Y)Largest decline over 10 years | -18.93% | -5.74% | -13.19% |
Current DrawdownCurrent decline from peak | -3.73% | -0.48% | -3.25% |
Average DrawdownAverage peak-to-trough decline | -2.94% | -0.59% | -2.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.90% | 0.21% | +0.69% |
Volatility
PRTIX vs. VSBIX - Volatility Comparison
T. Rowe Price U.S. Treasury Intermediate Index Fund (PRTIX) has a higher volatility of 1.35% compared to Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX) at 0.52%. This indicates that PRTIX's price experiences larger fluctuations and is considered to be riskier than VSBIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PRTIX | VSBIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.35% | 0.52% | +0.83% |
Volatility (6M)Calculated over the trailing 6-month period | 2.77% | 0.82% | +1.95% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.59% | 1.42% | +3.17% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.13% | 1.94% | +4.19% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.13% | 1.53% | +3.60% |