VBMFX vs. VSIGX
Compare and contrast key facts about Vanguard Total Bond Market Index Fund (VBMFX) and Vanguard Intermediate-Term Treasury Index Fund Admiral Shares (VSIGX).
VBMFX is managed by Vanguard. It was launched on Dec 11, 1986. VSIGX is managed by Vanguard. It was launched on Aug 4, 2010.
Performance
VBMFX vs. VSIGX - Performance Comparison
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VBMFX vs. VSIGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VBMFX Vanguard Total Bond Market Index Fund | -0.30% | 7.05% | 1.15% | 5.62% | -13.25% | -2.04% | 7.63% | 8.61% | -0.34% | 3.45% |
VSIGX Vanguard Intermediate-Term Treasury Index Fund Admiral Shares | -0.09% | 7.36% | 1.65% | 4.39% | -10.69% | -2.60% | 7.65% | 6.26% | 1.35% | 1.58% |
Returns By Period
In the year-to-date period, VBMFX achieves a -0.30% return, which is significantly lower than VSIGX's -0.09% return. Over the past 10 years, VBMFX has outperformed VSIGX with an annualized return of 1.50%, while VSIGX has yielded a comparatively lower 1.32% annualized return.
VBMFX
- 1D
- 0.21%
- 1M
- -1.63%
- YTD
- -0.30%
- 6M
- 0.35%
- 1Y
- 3.55%
- 3Y*
- 3.40%
- 5Y*
- 0.08%
- 10Y*
- 1.50%
VSIGX
- 1D
- 0.15%
- 1M
- -1.23%
- YTD
- -0.09%
- 6M
- 0.75%
- 1Y
- 3.86%
- 3Y*
- 3.38%
- 5Y*
- 0.36%
- 10Y*
- 1.32%
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VBMFX vs. VSIGX - Expense Ratio Comparison
VBMFX has a 0.15% expense ratio, which is higher than VSIGX's 0.07% 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
VBMFX vs. VSIGX — Risk / Return Rank
VBMFX
VSIGX
VBMFX vs. VSIGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Bond Market Index Fund (VBMFX) and Vanguard Intermediate-Term Treasury Index Fund Admiral Shares (VSIGX). 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.
| VBMFX | VSIGX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.90 | 1.09 | -0.19 |
Sortino ratioReturn per unit of downside risk | 1.30 | 1.62 | -0.32 |
Omega ratioGain probability vs. loss probability | 1.16 | 1.19 | -0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.62 | 1.77 | -0.15 |
Martin ratioReturn relative to average drawdown | 4.56 | 5.55 | -0.99 |
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
| VBMFX | VSIGX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.90 | 1.09 | -0.19 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.01 | 0.07 | -0.05 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.30 | 0.30 | 0.00 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.96 | 0.51 | +0.45 |
Correlation
The correlation between VBMFX and VSIGX is 0.92, 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
VBMFX vs. VSIGX - Dividend Comparison
VBMFX's dividend yield for the trailing twelve months is around 3.50%, more than VSIGX's 3.46% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VBMFX Vanguard Total Bond Market Index Fund | 3.50% | 3.76% | 3.57% | 2.99% | 2.49% | 1.72% | 2.31% | 2.63% | 2.47% | 2.45% | 2.43% | 2.71% |
VSIGX Vanguard Intermediate-Term Treasury Index Fund Admiral Shares | 3.46% | 3.76% | 3.95% | 2.70% | 1.71% | 1.66% | 2.21% | 2.21% | 2.05% | 1.67% | 1.56% | 1.70% |
Drawdowns
VBMFX vs. VSIGX - Drawdown Comparison
The maximum VBMFX drawdown since its inception was -19.08%, which is greater than VSIGX's maximum drawdown of -16.15%. Use the drawdown chart below to compare losses from any high point for VBMFX and VSIGX.
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Drawdown Indicators
| VBMFX | VSIGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.08% | -16.15% | -2.93% |
Max Drawdown (1Y)Largest decline over 1 year | -2.73% | -2.40% | -0.33% |
Max Drawdown (5Y)Largest decline over 5 years | -18.24% | -15.07% | -3.17% |
Max Drawdown (10Y)Largest decline over 10 years | -19.08% | -16.15% | -2.93% |
Current DrawdownCurrent decline from peak | -3.56% | -1.83% | -1.73% |
Average DrawdownAverage peak-to-trough decline | -2.70% | -3.52% | +0.82% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.97% | 0.77% | +0.20% |
Volatility
VBMFX vs. VSIGX - Volatility Comparison
Vanguard Total Bond Market Index Fund (VBMFX) has a higher volatility of 1.55% compared to Vanguard Intermediate-Term Treasury Index Fund Admiral Shares (VSIGX) at 1.34%. This indicates that VBMFX's price experiences larger fluctuations and is considered to be riskier than VSIGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VBMFX | VSIGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.55% | 1.34% | +0.21% |
Volatility (6M)Calculated over the trailing 6-month period | 2.58% | 2.28% | +0.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.35% | 3.77% | +0.58% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.99% | 5.31% | +0.68% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.96% | 4.45% | +0.51% |