VSBIX vs. VSBSX
Compare and contrast key facts about Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX) and Vanguard Short-Term Treasury Index Fund Admiral Shares (VSBSX).
VSBIX is managed by Vanguard. It was launched on Aug 23, 2010. VSBSX is managed by Vanguard. It was launched on Dec 28, 2009.
Performance
VSBIX vs. VSBSX - Performance Comparison
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VSBIX vs. VSBSX - 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% | 0.40% |
VSBSX Vanguard Short-Term Treasury Index Fund Admiral Shares | 0.29% | 5.08% | 4.39% | 4.23% | -3.87% | -0.69% | 3.09% | 3.51% | 1.52% | 0.35% |
Returns By Period
The year-to-date returns for both investments are quite close, with VSBIX having a 0.28% return and VSBSX slightly higher at 0.29%. Both investments have delivered pretty close results over the past 10 years, with VSBIX having a 1.76% annualized return and VSBSX not far behind at 1.74%.
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%
VSBSX
- 1D
- 0.10%
- 1M
- -0.31%
- YTD
- 0.29%
- 6M
- 1.25%
- 1Y
- 3.68%
- 3Y*
- 4.11%
- 5Y*
- 1.84%
- 10Y*
- 1.74%
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VSBIX vs. VSBSX - Expense Ratio Comparison
VSBIX has a 0.05% expense ratio, which is lower than VSBSX's 0.07% 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
VSBIX vs. VSBSX — Risk / Return Rank
VSBIX
VSBSX
VSBIX vs. VSBSX - 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 Vanguard Short-Term Treasury Index Fund Admiral Shares (VSBSX). 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 | VSBSX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.65 | 2.60 | +0.04 |
Sortino ratioReturn per unit of downside risk | 4.33 | 4.12 | +0.21 |
Omega ratioGain probability vs. loss probability | 1.58 | 1.56 | +0.02 |
Calmar ratioReturn relative to maximum drawdown | 4.70 | 4.52 | +0.19 |
Martin ratioReturn relative to average drawdown | 18.02 | 17.41 | +0.61 |
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 | VSBSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.65 | 2.60 | +0.04 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.96 | 0.96 | +0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 1.16 | 1.14 | +0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.09 | 1.07 | +0.02 |
Correlation
The correlation between VSBIX and VSBSX is 0.90, 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. VSBSX - Dividend Comparison
VSBIX's dividend yield for the trailing twelve months is around 3.59%, which matches VSBSX's 3.57% 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% |
VSBSX Vanguard Short-Term Treasury Index Fund Admiral Shares | 3.57% | 3.98% | 4.50% | 3.29% | 1.12% | 0.63% | 1.72% | 2.26% | 1.80% | 1.10% | 0.76% | 0.71% |
Drawdowns
VSBIX vs. VSBSX - Drawdown Comparison
The maximum VSBIX drawdown since its inception was -5.74%, roughly equal to the maximum VSBSX drawdown of -5.77%. Use the drawdown chart below to compare losses from any high point for VSBIX and VSBSX.
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Drawdown Indicators
| VSBIX | VSBSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.74% | -5.77% | +0.03% |
Max Drawdown (1Y)Largest decline over 1 year | -0.81% | -0.84% | +0.03% |
Max Drawdown (5Y)Largest decline over 5 years | -5.74% | -5.77% | +0.03% |
Max Drawdown (10Y)Largest decline over 10 years | -5.74% | -5.77% | +0.03% |
Current DrawdownCurrent decline from peak | -0.44% | -0.43% | -0.01% |
Average DrawdownAverage peak-to-trough decline | -0.59% | -0.59% | 0.00% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.21% | 0.22% | -0.01% |
Volatility
VSBIX vs. VSBSX - Volatility Comparison
Vanguard Short-Term Treasury Index Fund Institutional Shares (VSBIX) and Vanguard Short-Term Treasury Index Fund Admiral Shares (VSBSX) have volatilities of 0.51% and 0.53%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VSBIX | VSBSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.51% | 0.53% | -0.02% |
Volatility (6M)Calculated over the trailing 6-month period | 0.82% | 0.84% | -0.02% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.42% | 1.44% | -0.02% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.94% | 1.94% | 0.00% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.53% | 1.53% | 0.00% |