FUMBX vs. VSBIX
Compare and contrast key facts about Fidelity Short-Term Treasury Bond Index Fund (FUMBX) and Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX).
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. VSBIX is managed by Vanguard. It was launched on Aug 23, 2010.
Performance
FUMBX vs. VSBIX - Performance Comparison
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FUMBX vs. VSBIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FUMBX Fidelity Short-Term Treasury Bond Index Fund | 0.16% | 5.83% | 3.25% | 4.47% | -5.84% | -1.38% | 4.22% | 4.19% | 1.47% | -0.33% |
VSBIX Vanguard Short-Term Treasury Index Fund Institutional Shares | -0.05% | 5.11% | 4.37% | 4.28% | -3.87% | -0.67% | 3.11% | 3.53% | 1.52% | -0.22% |
Returns By Period
In the year-to-date period, FUMBX achieves a 0.16% return, which is significantly higher than VSBIX's -0.05% return.
FUMBX
- 1D
- 0.00%
- 1M
- -0.41%
- YTD
- 0.16%
- 6M
- 1.12%
- 1Y
- 3.92%
- 3Y*
- 3.89%
- 5Y*
- 1.36%
- 10Y*
- —
VSBIX
- 1D
- -0.33%
- 1M
- -0.61%
- YTD
- -0.05%
- 6M
- 0.91%
- 1Y
- 3.39%
- 3Y*
- 4.01%
- 5Y*
- 1.79%
- 10Y*
- 1.73%
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FUMBX vs. VSBIX - Expense Ratio Comparison
FUMBX has a 0.03% expense ratio, which is lower than VSBIX's 0.05% expense ratio. Despite the difference, 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
FUMBX vs. VSBIX — Risk / Return Rank
FUMBX
VSBIX
FUMBX vs. VSBIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Short-Term Treasury Bond Index Fund (FUMBX) 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.
| FUMBX | VSBIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.65 | 2.31 | -0.66 |
Sortino ratioReturn per unit of downside risk | 2.61 | 3.64 | -1.03 |
Omega ratioGain probability vs. loss probability | 1.35 | 1.49 | -0.14 |
Calmar ratioReturn relative to maximum drawdown | 2.49 | 4.20 | -1.71 |
Martin ratioReturn relative to average drawdown | 8.60 | 15.69 | -7.08 |
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
| FUMBX | VSBIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.65 | 2.31 | -0.66 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.47 | 0.93 | -0.45 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 1.13 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.74 | 1.07 | -0.33 |
Correlation
The correlation between FUMBX and VSBIX 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
FUMBX vs. VSBIX - Dividend Comparison
FUMBX's dividend yield for the trailing twelve months is around 3.67%, more than VSBIX's 3.60% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FUMBX Fidelity Short-Term Treasury Bond Index Fund | 3.67% | 3.51% | 2.91% | 1.64% | 0.86% | 1.15% | 1.41% | 1.88% | 1.64% | 0.34% | 0.00% | 0.00% |
VSBIX Vanguard Short-Term Treasury Index Fund Institutional Shares | 3.60% | 3.99% | 4.52% | 3.31% | 1.14% | 0.65% | 1.74% | 2.28% | 1.81% | 1.11% | 0.80% | 0.74% |
Drawdowns
FUMBX vs. VSBIX - Drawdown Comparison
The maximum FUMBX drawdown since its inception was -8.83%, which is greater than VSBIX's maximum drawdown of -5.74%. Use the drawdown chart below to compare losses from any high point for FUMBX and VSBIX.
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Drawdown Indicators
| FUMBX | VSBIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -8.83% | -5.74% | -3.09% |
Max Drawdown (1Y)Largest decline over 1 year | -1.54% | -0.81% | -0.73% |
Max Drawdown (5Y)Largest decline over 5 years | -8.60% | -5.74% | -2.86% |
Max Drawdown (10Y)Largest decline over 10 years | — | -5.74% | — |
Current DrawdownCurrent decline from peak | -0.80% | -0.77% | -0.03% |
Average DrawdownAverage peak-to-trough decline | -1.88% | -0.59% | -1.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.44% | 0.22% | +0.22% |
Volatility
FUMBX vs. VSBIX - Volatility Comparison
Fidelity Short-Term Treasury Bond Index Fund (FUMBX) has a higher volatility of 0.83% compared to Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX) at 0.60%. This indicates that FUMBX'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
| FUMBX | VSBIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.83% | 0.60% | +0.23% |
Volatility (6M)Calculated over the trailing 6-month period | 1.39% | 0.89% | +0.50% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.32% | 1.46% | +0.86% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.89% | 1.94% | +0.95% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.49% | 1.53% | +0.96% |