VTBNX vs. VBIUX
Compare and contrast key facts about Vanguard Total Bond Market II Index Fund (VTBNX) and Vanguard Intermediate-Term Bond Index Fund Institutional Plus (VBIUX).
VTBNX is managed by Vanguard. VBIUX is managed by Vanguard. It was launched on Nov 30, 2011.
Performance
VTBNX vs. VBIUX - Performance Comparison
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VTBNX vs. VBIUX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VTBNX Vanguard Total Bond Market II Index Fund | -0.60% | 7.18% | 1.32% | 5.68% | -13.12% | -1.82% | 7.39% | 8.71% | -0.27% | 3.62% |
VBIUX Vanguard Intermediate-Term Bond Index Fund Institutional Plus | -0.84% | 8.60% | 1.56% | 5.53% | -13.24% | -2.64% | 9.83% | 10.23% | -0.13% | 3.90% |
Returns By Period
In the year-to-date period, VTBNX achieves a -0.60% return, which is significantly higher than VBIUX's -0.84% return. Over the past 10 years, VTBNX has underperformed VBIUX with an annualized return of 1.56%, while VBIUX has yielded a comparatively higher 1.93% annualized return.
VTBNX
- 1D
- 0.42%
- 1M
- -2.26%
- YTD
- -0.60%
- 6M
- 0.40%
- 1Y
- 3.62%
- 3Y*
- 3.40%
- 5Y*
- 0.22%
- 10Y*
- 1.56%
VBIUX
- 1D
- 0.58%
- 1M
- -2.62%
- YTD
- -0.84%
- 6M
- 0.29%
- 1Y
- 4.35%
- 3Y*
- 3.66%
- 5Y*
- 0.41%
- 10Y*
- 1.93%
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VTBNX vs. VBIUX - Expense Ratio Comparison
VTBNX has a 0.02% expense ratio, which is lower than VBIUX's 0.04% 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
VTBNX vs. VBIUX — Risk / Return Rank
VTBNX
VBIUX
VTBNX vs. VBIUX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Bond Market II Index Fund (VTBNX) and Vanguard Intermediate-Term Bond Index Fund Institutional Plus (VBIUX). 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.
| VTBNX | VBIUX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.98 | 1.07 | -0.10 |
Sortino ratioReturn per unit of downside risk | 1.41 | 1.57 | -0.15 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.19 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.77 | 1.74 | +0.04 |
Martin ratioReturn relative to average drawdown | 5.02 | 5.84 | -0.82 |
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
| VTBNX | VBIUX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.98 | 1.07 | -0.10 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.04 | 0.07 | -0.03 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.32 | 0.36 | -0.04 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.36 | 0.46 | -0.10 |
Correlation
The correlation between VTBNX and VBIUX is 0.96, 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
VTBNX vs. VBIUX - Dividend Comparison
VTBNX's dividend yield for the trailing twelve months is around 3.68%, less than VBIUX's 3.81% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VTBNX Vanguard Total Bond Market II Index Fund | 3.68% | 3.95% | 3.77% | 3.13% | 2.54% | 1.82% | 3.12% | 2.79% | 2.56% | 2.52% | 2.55% | 0.00% |
VBIUX Vanguard Intermediate-Term Bond Index Fund Institutional Plus | 3.81% | 4.04% | 3.82% | 2.59% | 2.42% | 3.08% | 2.95% | 2.76% | 2.89% | 2.77% | 3.09% | 3.14% |
Drawdowns
VTBNX vs. VBIUX - Drawdown Comparison
The maximum VTBNX drawdown since its inception was -18.71%, roughly equal to the maximum VBIUX drawdown of -19.18%. Use the drawdown chart below to compare losses from any high point for VTBNX and VBIUX.
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Drawdown Indicators
| VTBNX | VBIUX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.71% | -19.18% | +0.47% |
Max Drawdown (1Y)Largest decline over 1 year | -2.67% | -3.18% | +0.51% |
Max Drawdown (5Y)Largest decline over 5 years | -18.05% | -18.83% | +0.78% |
Max Drawdown (10Y)Largest decline over 10 years | -18.71% | -19.18% | +0.47% |
Current DrawdownCurrent decline from peak | -3.11% | -2.62% | -0.49% |
Average DrawdownAverage peak-to-trough decline | -4.91% | -4.11% | -0.80% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.94% | 0.95% | -0.01% |
Volatility
VTBNX vs. VBIUX - Volatility Comparison
The current volatility for Vanguard Total Bond Market II Index Fund (VTBNX) is 1.52%, while Vanguard Intermediate-Term Bond Index Fund Institutional Plus (VBIUX) has a volatility of 1.68%. This indicates that VTBNX experiences smaller price fluctuations and is considered to be less risky than VBIUX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VTBNX | VBIUX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.52% | 1.68% | -0.16% |
Volatility (6M)Calculated over the trailing 6-month period | 2.54% | 2.77% | -0.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.32% | 4.61% | -0.29% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.92% | 6.36% | -0.44% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.91% | 5.37% | -0.46% |