VFIRX vs. VSBIX
Compare and contrast key facts about Vanguard Short-Term Treasury Fund Admiral Shares (VFIRX) and Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX).
VFIRX is managed by Vanguard. It was launched on Feb 13, 2001. VSBIX is managed by Vanguard. It was launched on Aug 23, 2010.
Performance
VFIRX vs. VSBIX - Performance Comparison
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VFIRX vs. VSBIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VFIRX Vanguard Short-Term Treasury Fund Admiral Shares | -0.01% | 5.47% | 3.85% | 3.66% | -4.61% | -0.80% | 4.06% | 3.71% | 1.47% | 0.40% |
VSBIX Vanguard Short-Term Treasury Index Fund Institutional Shares | 0.28% | 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, VFIRX achieves a -0.01% return, which is significantly lower than VSBIX's 0.28% return. Both investments have delivered pretty close results over the past 10 years, with VFIRX having a 1.68% annualized return and VSBIX not far ahead at 1.76%.
VFIRX
- 1D
- 0.10%
- 1M
- -0.70%
- YTD
- -0.01%
- 6M
- 0.94%
- 1Y
- 3.42%
- 3Y*
- 3.83%
- 5Y*
- 1.48%
- 10Y*
- 1.68%
VSBIX
- 1D
- 0.04%
- 1M
- -0.33%
- YTD
- 0.28%
- 6M
- 1.24%
- 1Y
- 3.69%
- 3Y*
- 4.12%
- 5Y*
- 1.86%
- 10Y*
- 1.76%
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VFIRX vs. VSBIX - Expense Ratio Comparison
VFIRX has a 0.10% 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
VFIRX vs. VSBIX — Risk / Return Rank
VFIRX
VSBIX
VFIRX vs. VSBIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Short-Term Treasury Fund Admiral Shares (VFIRX) 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.
| VFIRX | VSBIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.59 | 2.65 | -1.05 |
Sortino ratioReturn per unit of downside risk | 2.63 | 4.33 | -1.70 |
Omega ratioGain probability vs. loss probability | 1.34 | 1.58 | -0.24 |
Calmar ratioReturn relative to maximum drawdown | 2.78 | 4.70 | -1.93 |
Martin ratioReturn relative to average drawdown | 9.85 | 18.02 | -8.18 |
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
| VFIRX | VSBIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.59 | 2.65 | -1.05 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.56 | 0.96 | -0.40 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.80 | 1.16 | -0.36 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.16 | 1.09 | +0.07 |
Correlation
The correlation between VFIRX and VSBIX is 0.80, 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
VFIRX vs. VSBIX - Dividend Comparison
VFIRX's dividend yield for the trailing twelve months is around 3.57%, which matches VSBIX's 3.59% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VFIRX Vanguard Short-Term Treasury Fund Admiral Shares | 3.57% | 3.99% | 4.49% | 4.07% | 2.03% | 0.60% | 2.30% | 2.49% | 2.21% | 1.25% | 1.28% | 0.93% |
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
VFIRX vs. VSBIX - Drawdown Comparison
The maximum VFIRX drawdown since its inception was -6.73%, which is greater than VSBIX's maximum drawdown of -5.74%. Use the drawdown chart below to compare losses from any high point for VFIRX and VSBIX.
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Drawdown Indicators
| VFIRX | VSBIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -6.73% | -5.74% | -0.99% |
Max Drawdown (1Y)Largest decline over 1 year | -1.40% | -0.81% | -0.59% |
Max Drawdown (5Y)Largest decline over 5 years | -6.73% | -5.74% | -0.99% |
Max Drawdown (10Y)Largest decline over 10 years | -6.73% | -5.74% | -0.99% |
Current DrawdownCurrent decline from peak | -1.00% | -0.44% | -0.56% |
Average DrawdownAverage peak-to-trough decline | -0.71% | -0.59% | -0.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.40% | 0.21% | +0.19% |
Volatility
VFIRX vs. VSBIX - Volatility Comparison
Vanguard Short-Term Treasury Fund Admiral Shares (VFIRX) has a higher volatility of 0.66% compared to Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX) at 0.51%. This indicates that VFIRX'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
| VFIRX | VSBIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.66% | 0.51% | +0.15% |
Volatility (6M)Calculated over the trailing 6-month period | 1.42% | 0.82% | +0.60% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.25% | 1.42% | +0.83% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.65% | 1.94% | +0.71% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.11% | 1.53% | +0.58% |