VSBIX vs. FUMBX
Compare and contrast key facts about Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX) and Fidelity Short-Term Treasury Bond Index Fund (FUMBX).
VSBIX is managed by Vanguard. It was launched on Aug 23, 2010. FUMBX is a passively managed fund by Fidelity that tracks the performance of the Bloomberg Barclays 1-5 Year U.S. Treasury Index. It was launched on Dec 20, 2005.
Performance
VSBIX vs. FUMBX - Performance Comparison
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VSBIX vs. FUMBX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
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% | -0.22% |
FUMBX Fidelity Short-Term Treasury Bond Index Fund | -0.10% | 5.83% | 3.25% | 4.47% | -5.84% | -1.38% | 4.22% | 4.19% | 1.47% | -0.33% |
Returns By Period
In the year-to-date period, VSBIX achieves a 0.28% return, which is significantly higher than FUMBX's -0.10% return.
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%
FUMBX
- 1D
- 0.10%
- 1M
- -0.77%
- YTD
- -0.10%
- 6M
- 0.85%
- 1Y
- 3.55%
- 3Y*
- 3.80%
- 5Y*
- 1.31%
- 10Y*
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VSBIX vs. FUMBX - Expense Ratio Comparison
VSBIX has a 0.05% expense ratio, which is higher than FUMBX'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%.
Return for Risk
VSBIX vs. FUMBX — Risk / Return Rank
VSBIX
FUMBX
VSBIX vs. FUMBX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX) and Fidelity Short-Term Treasury Bond Index Fund (FUMBX). 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.
| VSBIX | FUMBX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.65 | 1.55 | +1.09 |
Sortino ratioReturn per unit of downside risk | 4.33 | 2.43 | +1.90 |
Omega ratioGain probability vs. loss probability | 1.58 | 1.33 | +0.25 |
Calmar ratioReturn relative to maximum drawdown | 4.70 | 2.52 | +2.18 |
Martin ratioReturn relative to average drawdown | 18.02 | 8.74 | +9.28 |
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
| VSBIX | FUMBX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.65 | 1.55 | +1.09 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.96 | 0.45 | +0.51 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 1.16 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.09 | 0.73 | +0.36 |
Correlation
The correlation between VSBIX and FUMBX is 0.87, 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
VSBIX vs. FUMBX - Dividend Comparison
VSBIX's dividend yield for the trailing twelve months is around 3.59%, more than FUMBX's 3.41% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
FUMBX Fidelity Short-Term Treasury Bond Index Fund | 3.41% | 3.51% | 2.91% | 1.64% | 0.86% | 1.15% | 1.41% | 1.88% | 1.64% | 0.34% | 0.00% | 0.00% |
Drawdowns
VSBIX vs. FUMBX - Drawdown Comparison
The maximum VSBIX drawdown since its inception was -5.74%, smaller than the maximum FUMBX drawdown of -8.83%. Use the drawdown chart below to compare losses from any high point for VSBIX and FUMBX.
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Drawdown Indicators
| VSBIX | FUMBX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.74% | -8.83% | +3.09% |
Max Drawdown (1Y)Largest decline over 1 year | -0.81% | -1.54% | +0.73% |
Max Drawdown (5Y)Largest decline over 5 years | -5.74% | -8.60% | +2.86% |
Max Drawdown (10Y)Largest decline over 10 years | -5.74% | — | — |
Current DrawdownCurrent decline from peak | -0.44% | -1.06% | +0.62% |
Average DrawdownAverage peak-to-trough decline | -0.59% | -1.88% | +1.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.21% | 0.44% | -0.23% |
Volatility
VSBIX vs. FUMBX - Volatility Comparison
The current volatility for Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX) is 0.51%, while Fidelity Short-Term Treasury Bond Index Fund (FUMBX) has a volatility of 0.74%. This indicates that VSBIX experiences smaller price fluctuations and is considered to be less risky than FUMBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VSBIX | FUMBX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.51% | 0.74% | -0.23% |
Volatility (6M)Calculated over the trailing 6-month period | 0.82% | 1.37% | -0.55% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.42% | 2.32% | -0.90% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.94% | 2.89% | -0.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.53% | 2.49% | -0.96% |