PRTIX vs. FUTBX
PRTIX (T. Rowe Price U.S. Treasury Intermediate Index Fund) and FUTBX (Fidelity SAI U.S. Treasury Bond Index Fund) are both Government Bonds funds. Over the past 5 years, PRTIX returned -0.61%/yr vs -1.07%/yr for FUTBX. Their correlation of 0.91 means they have usually moved in the same direction. PRTIX charges 0.27%/yr vs 0.03%/yr for FUTBX.
Performance
PRTIX vs. FUTBX - Performance Comparison
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Returns By Period
In the year-to-date period, PRTIX achieves a -1.00% return, which is significantly lower than FUTBX's -0.94% return.
PRTIX
- 1D
- 0.00%
- 1M
- -0.80%
- 6M
- -0.73%
- YTD
- -1.00%
- 1Y
- 1.88%
- 3Y*
- 4.03%
- 5Y*
- -0.61%
- 10Y*
- 0.82%
- ALL TIME*
- 4.32%
FUTBX
- 1D
- -0.23%
- 1M
- -1.26%
- 6M
- -0.85%
- YTD
- -0.94%
- 1Y
- 0.79%
- 3Y*
- 3.00%
- 5Y*
- -1.07%
- 10Y*
- —
- ALL TIME*
- 1.16%
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 |
PRTIX vs. FUTBX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PRTIX T. Rowe Price U.S. Treasury Intermediate Index Fund | -1.00% | 8.91% | 1.64% | 3.49% | -12.61% | -2.99% | 8.05% | 6.65% | 1.02% | 1.24% |
FUTBX Fidelity SAI U.S. Treasury Bond Index Fund | -0.94% | 6.12% | 0.70% | 4.19% | -13.00% | -2.54% | 7.76% | 7.30% | 0.95% | 2.28% |
Correlation
The correlation between PRTIX and FUTBX is 0.82, 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. | 0.82 |
Correlation (3Y) Balances recent behavior with more history. | 0.91 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.93 |
Correlation (All Time) Calculated using the full available price history since Jan 3, 2017 | 0.91 |
The correlation between PRTIX and FUTBX shifts across timeframes, from 0.82 (1 year) to 0.93 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
PRTIX vs. FUTBX — Risk / Return Rank
PRTIX
FUTBX
PRTIX vs. FUTBX - 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 Fidelity SAI U.S. Treasury Bond Index Fund (FUTBX). 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.
| PRTIX | FUTBX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.35 | ||
| Sortino ratioReturn per unit of downside risk | +0.52 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 1.08 | +0.06 |
| Calmar ratioReturn relative to maximum drawdown | 1.05 | 0.56 | +0.49 |
| Martin ratioReturn relative to average drawdown | 2.43 | 1.31 | +1.13 |
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Drawdowns
PRTIX vs. FUTBX - Drawdown Comparison
The maximum PRTIX drawdown since its inception was -18.93%, roughly equal to the maximum FUTBX drawdown of -19.69%. Use the drawdown chart below to compare losses from any high point for PRTIX and FUTBX.
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Drawdown Indicators
| PRTIX | FUTBX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.93% | -19.69% | +0.76% |
Max Drawdown (1Y)Largest decline over 1 year | -3.15% | -3.09% | -0.06% |
Max Drawdown (3Y)Largest decline over 3 years | -4.51% | -4.86% | +0.35% |
Max Drawdown (5Y)Largest decline over 5 years | -17.70% | -16.87% | -0.83% |
Max Drawdown (10Y)Largest decline over 10 years | -18.93% | — | — |
Current DrawdownCurrent decline from peak | -4.75% | -8.55% | +3.80% |
Average DrawdownAverage peak-to-trough decline | -2.94% | -6.97% | +4.03% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.34% | 1.31% | +0.03% |
Volatility
PRTIX vs. FUTBX - Volatility Comparison
T. Rowe Price U.S. Treasury Intermediate Index Fund (PRTIX) has a higher volatility of 1.08% compared to Fidelity SAI U.S. Treasury Bond Index Fund (FUTBX) at 0.92%. This indicates that PRTIX's price experiences larger fluctuations and is considered to be riskier than FUTBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PRTIX | FUTBX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.08% | 0.92% | +0.16% |
Volatility (6M)Calculated over the trailing 6-month period | 3.15% | 2.88% | +0.27% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.08% | 3.73% | +0.35% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.17% | 5.79% | +0.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.13% | 5.13% | 0.00% |
PRTIX vs. FUTBX - Expense Ratio Comparison
PRTIX has a 0.27% expense ratio, which is higher than FUTBX's 0.03% 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%.
Dividends
PRTIX vs. FUTBX - Dividend Comparison
PRTIX's dividend yield for the trailing twelve months is around 4.75%, more than FUTBX's 3.50% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FUTBX Fidelity SAI U.S. Treasury Bond Index Fund | 3.50% | 3.43% | 2.90% | 2.12% | 1.12% | 0.86% | 4.54% | 2.75% | 2.05% | 1.65% | 0.00% | 0.00% |
PRTIX T. Rowe Price U.S. Treasury Intermediate Index Fund | 4.75% | 4.92% | 4.85% | 3.99% | 1.17% | 0.76% | 2.80% | 2.08% | 1.86% | 1.60% | 2.25% | 2.48% |
Frequently Asked Questions
PRTIX and FUTBX have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PRTIX has higher volatility (1.08%) compared to FUTBX (0.92%). In terms of maximum drawdown, PRTIX dropped -18.93% vs FUTBX's -19.69%.
PRTIX currently has the higher Sharpe Ratio (0.81 vs 0.46), 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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