VBLAX vs. VBMPX
Compare and contrast key facts about Vanguard Long-Term Bond Index Fund Admiral Shares (VBLAX) and Vanguard Total Bond Market Index Fund Institutional Plus Shares (VBMPX).
VBLAX is managed by Vanguard. It was launched on Feb 7, 2019. VBMPX is managed by Vanguard. It was launched on Feb 5, 2010.
Performance
VBLAX vs. VBMPX - Performance Comparison
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VBLAX vs. VBMPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
VBLAX Vanguard Long-Term Bond Index Fund Admiral Shares | -1.15% | 6.57% | -4.14% | 7.55% | -27.22% | -3.36% | 15.75% | 16.45% |
VBMPX Vanguard Total Bond Market Index Fund Institutional Plus Shares | -0.49% | 7.18% | 1.27% | 5.75% | -13.14% | -1.95% | 7.75% | 7.64% |
Returns By Period
In the year-to-date period, VBLAX achieves a -1.15% return, which is significantly lower than VBMPX's -0.49% return.
VBLAX
- 1D
- 1.07%
- 1M
- -4.25%
- YTD
- -1.15%
- 6M
- -1.40%
- 1Y
- 1.61%
- 3Y*
- 0.74%
- 5Y*
- -2.98%
- 10Y*
- —
VBMPX
- 1D
- 0.52%
- 1M
- -2.23%
- YTD
- -0.49%
- 6M
- 0.50%
- 1Y
- 3.78%
- 3Y*
- 3.46%
- 5Y*
- 0.25%
- 10Y*
- 1.60%
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VBLAX vs. VBMPX - Expense Ratio Comparison
VBLAX has a 0.07% expense ratio, which is higher than VBMPX'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
VBLAX vs. VBMPX — Risk / Return Rank
VBLAX
VBMPX
VBLAX vs. VBMPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Long-Term Bond Index Fund Admiral Shares (VBLAX) and Vanguard Total Bond Market Index Fund Institutional Plus Shares (VBMPX). 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.
| VBLAX | VBMPX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.27 | 1.00 | -0.73 |
Sortino ratioReturn per unit of downside risk | 0.43 | 1.45 | -1.02 |
Omega ratioGain probability vs. loss probability | 1.05 | 1.18 | -0.12 |
Calmar ratioReturn relative to maximum drawdown | 0.53 | 1.79 | -1.26 |
Martin ratioReturn relative to average drawdown | 1.30 | 5.11 | -3.80 |
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
| VBLAX | VBMPX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.27 | 1.00 | -0.73 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.23 | 0.04 | -0.27 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.32 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.03 | 0.51 | -0.48 |
Correlation
The correlation between VBLAX and VBMPX is 0.94, 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
VBLAX vs. VBMPX - Dividend Comparison
VBLAX's dividend yield for the trailing twelve months is around 4.34%, more than VBMPX's 3.63% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VBLAX Vanguard Long-Term Bond Index Fund Admiral Shares | 4.34% | 4.64% | 4.61% | 4.08% | 4.13% | 2.62% | 5.39% | 3.25% | 0.00% | 0.00% | 0.00% | 0.00% |
VBMPX Vanguard Total Bond Market Index Fund Institutional Plus Shares | 3.63% | 3.88% | 3.69% | 3.11% | 2.61% | 1.81% | 2.41% | 2.75% | 2.58% | 2.58% | 2.55% | 2.85% |
Drawdowns
VBLAX vs. VBMPX - Drawdown Comparison
The maximum VBLAX drawdown since its inception was -38.62%, which is greater than VBMPX's maximum drawdown of -18.90%. Use the drawdown chart below to compare losses from any high point for VBLAX and VBMPX.
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Drawdown Indicators
| VBLAX | VBMPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -38.62% | -18.90% | -19.72% |
Max Drawdown (1Y)Largest decline over 1 year | -6.87% | -2.73% | -4.14% |
Max Drawdown (5Y)Largest decline over 5 years | -36.32% | -18.12% | -18.20% |
Max Drawdown (10Y)Largest decline over 10 years | — | -18.90% | — |
Current DrawdownCurrent decline from peak | -25.71% | -3.13% | -22.58% |
Average DrawdownAverage peak-to-trough decline | -17.93% | -3.54% | -14.39% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.81% | 0.96% | +1.85% |
Volatility
VBLAX vs. VBMPX - Volatility Comparison
Vanguard Long-Term Bond Index Fund Admiral Shares (VBLAX) has a higher volatility of 3.34% compared to Vanguard Total Bond Market Index Fund Institutional Plus Shares (VBMPX) at 1.55%. This indicates that VBLAX's price experiences larger fluctuations and is considered to be riskier than VBMPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VBLAX | VBMPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.34% | 1.55% | +1.79% |
Volatility (6M)Calculated over the trailing 6-month period | 5.47% | 2.59% | +2.88% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.52% | 4.37% | +5.15% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 12.89% | 5.99% | +6.90% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 12.74% | 4.97% | +7.77% |