PRTIX vs. VO
Compare and contrast key facts about T. Rowe Price U.S. Treasury Intermediate Index Fund (PRTIX) and Vanguard Mid-Cap ETF (VO).
PRTIX is managed by T. Rowe Price. It was launched on Sep 28, 1989. VO is a passively managed fund by Vanguard that tracks the performance of the CRSP US Mid Cap Index. It was launched on Jan 26, 2004.
Performance
PRTIX vs. VO - Performance Comparison
Loading graphics...
PRTIX vs. VO - 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% |
VO Vanguard Mid-Cap ETF | -0.05% | 11.62% | 15.31% | 16.03% | -18.73% | 24.70% | 18.10% | 30.98% | -9.24% | 19.28% |
Returns By Period
In the year-to-date period, PRTIX achieves a -0.50% return, which is significantly lower than VO's -0.05% return. Over the past 10 years, PRTIX has underperformed VO with an annualized return of 1.10%, while VO has yielded a comparatively higher 10.74% 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%
VO
- 1D
- 0.63%
- 1M
- -5.18%
- YTD
- -0.05%
- 6M
- -0.76%
- 1Y
- 13.07%
- 3Y*
- 12.85%
- 5Y*
- 6.79%
- 10Y*
- 10.74%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
PRTIX vs. VO - Expense Ratio Comparison
PRTIX has a 0.27% expense ratio, which is higher than VO's 0.04% 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. VO — Risk / Return Rank
PRTIX
VO
PRTIX vs. VO - 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 Mid-Cap ETF (VO). 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 | VO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.61 | 0.75 | +0.87 |
Sortino ratioReturn per unit of downside risk | 2.42 | 1.15 | +1.27 |
Omega ratioGain probability vs. loss probability | 1.30 | 1.16 | +0.14 |
Calmar ratioReturn relative to maximum drawdown | 2.49 | 1.06 | +1.43 |
Martin ratioReturn relative to average drawdown | 8.00 | 4.83 | +3.17 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| PRTIX | VO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.61 | 0.75 | +0.87 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.01 | 0.39 | -0.37 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.22 | 0.57 | -0.35 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.89 | 0.48 | +0.40 |
Correlation
The correlation between PRTIX and VO is -0.20. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.
Dividends
PRTIX vs. VO - Dividend Comparison
PRTIX's dividend yield for the trailing twelve months is around 6.49%, more than VO's 1.50% 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% |
VO Vanguard Mid-Cap ETF | 1.50% | 1.52% | 1.49% | 1.52% | 1.60% | 1.12% | 1.45% | 1.48% | 1.82% | 1.35% | 1.45% | 1.47% |
Drawdowns
PRTIX vs. VO - Drawdown Comparison
The maximum PRTIX drawdown since its inception was -18.93%, smaller than the maximum VO drawdown of -58.87%. Use the drawdown chart below to compare losses from any high point for PRTIX and VO.
Loading graphics...
Drawdown Indicators
| PRTIX | VO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.93% | -58.87% | +39.94% |
Max Drawdown (1Y)Largest decline over 1 year | -2.89% | -12.74% | +9.85% |
Max Drawdown (5Y)Largest decline over 5 years | -17.70% | -27.57% | +9.87% |
Max Drawdown (10Y)Largest decline over 10 years | -18.93% | -39.37% | +20.44% |
Current DrawdownCurrent decline from peak | -3.73% | -5.53% | +1.80% |
Average DrawdownAverage peak-to-trough decline | -2.94% | -7.91% | +4.97% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.90% | 2.79% | -1.89% |
Volatility
PRTIX vs. VO - Volatility Comparison
The current volatility for T. Rowe Price U.S. Treasury Intermediate Index Fund (PRTIX) is 1.35%, while Vanguard Mid-Cap ETF (VO) has a volatility of 4.83%. This indicates that PRTIX experiences smaller price fluctuations and is considered to be less risky than VO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| PRTIX | VO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.35% | 4.83% | -3.48% |
Volatility (6M)Calculated over the trailing 6-month period | 2.77% | 9.73% | -6.96% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.59% | 17.57% | -12.98% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.13% | 17.61% | -11.48% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.13% | 18.94% | -13.81% |