VBMFX vs. VTIBX
VBMFX (Vanguard Total Bond Market Index Fund Investor Shares) and VTIBX (Vanguard Total International Bond Index Fund) are both mutual funds - VBMFX is a Intermediate Core Bond fund tracking the Bloomberg U.S. Aggregate Float Adjusted Bond Index, while VTIBX is a Global Bonds fund managed by Vanguard. Over the past 10 years, VBMFX returned 1.18%/yr vs 1.45%/yr for VTIBX. Their 0.71 correlation means they have sometimes moved together and sometimes differently. VBMFX charges 0.15%/yr vs 0.13%/yr for VTIBX.
Performance
VBMFX vs. VTIBX - Performance Comparison
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Returns By Period
In the year-to-date period, VBMFX achieves a -0.76% return, which is significantly lower than VTIBX's 0.20% return. Over the past 10 years, VBMFX has underperformed VTIBX with an annualized return of 1.18%, while VTIBX has yielded a comparatively higher 1.45% annualized return.
VBMFX
- 1D
- 0.00%
- 1M
- -1.25%
- 6M
- -0.98%
- YTD
- -0.76%
- 1Y
- 1.56%
- 3Y*
- 3.58%
- 5Y*
- -0.55%
- 10Y*
- 1.18%
- ALL TIME*
- 4.28%
VTIBX
- 1D
- 0.10%
- 1M
- -0.73%
- 6M
- -0.11%
- YTD
- 0.20%
- 1Y
- 1.30%
- 3Y*
- 3.98%
- 5Y*
- -0.03%
- 10Y*
- 1.45%
- ALL TIME*
- 2.32%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
VBMFX vs. VTIBX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VBMFX Vanguard Total Bond Market Index Fund Investor Shares | -0.76% | 7.05% | 1.15% | 5.62% | -13.25% | -2.04% | 7.63% | 8.61% | -0.34% | 3.45% |
VTIBX Vanguard Total International Bond Index Fund | 0.20% | 2.98% | 3.84% | 8.86% | -12.97% | -2.27% | 4.56% | 7.76% | 3.00% | 2.31% |
Correlation
The correlation between VBMFX and VTIBX is 0.71, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.71 |
Correlation (3Y) Balances recent behavior with more history. | 0.76 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.78 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.73 |
Correlation (All Time) Calculated using the full available price history since Jun 4, 2013 | 0.71 |
The correlation between VBMFX and VTIBX has been stable across timeframes, ranging from 0.71 to 0.78 - a consistent structural relationship.
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Return for Risk
VBMFX vs. VTIBX — Risk / Return Rank
VBMFX
VTIBX
VBMFX vs. VTIBX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Bond Market Index Fund Investor Shares (VBMFX) and Vanguard Total International Bond Index Fund (VTIBX). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| VBMFX | VTIBX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.28 | ||
| Sortino ratioReturn per unit of downside risk | +0.41 | ||
| Omega ratioGain probability vs. loss probability | 1.13 | 1.08 | +0.05 |
| Calmar ratioReturn relative to maximum drawdown | 0.95 | 0.48 | +0.47 |
| Martin ratioReturn relative to average drawdown | 2.35 | 1.20 | +1.15 |
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Drawdowns
VBMFX vs. VTIBX - Drawdown Comparison
The maximum VBMFX drawdown since its inception was -19.08%, which is greater than VTIBX's maximum drawdown of -16.15%. Use the drawdown chart below to compare losses from any high point for VBMFX and VTIBX.
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Drawdown Indicators
| VBMFX | VTIBX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.08% | -16.15% | -2.93% |
Max Drawdown (1Y)Largest decline over 1 year | -2.91% | -2.95% | +0.04% |
Max Drawdown (3Y)Largest decline over 3 years | -4.88% | -2.95% | -1.93% |
Max Drawdown (5Y)Largest decline over 5 years | -18.24% | -15.81% | -2.43% |
Max Drawdown (10Y)Largest decline over 10 years | -19.08% | -16.15% | -2.93% |
Current DrawdownCurrent decline from peak | -4.00% | -1.65% | -2.35% |
Average DrawdownAverage peak-to-trough decline | -2.70% | -3.05% | +0.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.17% | 1.17% | 0.00% |
Volatility
VBMFX vs. VTIBX - Volatility Comparison
Vanguard Total Bond Market Index Fund Investor Shares (VBMFX) has a higher volatility of 0.96% compared to Vanguard Total International Bond Index Fund (VTIBX) at 0.89%. This indicates that VBMFX's price experiences larger fluctuations and is considered to be riskier than VTIBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VBMFX | VTIBX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.96% | 0.89% | +0.07% |
Volatility (6M)Calculated over the trailing 6-month period | 2.96% | 2.76% | +0.20% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.82% | 3.20% | +0.62% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.01% | 4.51% | +1.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.97% | 3.66% | +1.31% |
VBMFX vs. VTIBX - Expense Ratio Comparison
VBMFX has a 0.15% expense ratio, which is higher than VTIBX's 0.13% 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%.
Dividends
VBMFX vs. VTIBX - Dividend Comparison
VBMFX's dividend yield for the trailing twelve months is around 3.61%, less than VTIBX's 4.25% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VBMFX Vanguard Total Bond Market Index Fund Investor Shares | 3.61% | 3.76% | 3.57% | 2.99% | 2.49% | 1.72% | 2.31% | 2.63% | 2.47% | 2.45% | 2.43% | 2.71% |
VTIBX Vanguard Total International Bond Index Fund | 4.25% | 4.33% | 4.31% | 4.37% | 1.41% | 3.68% | 1.06% | 3.36% | 2.98% | 2.21% | 1.76% | 1.61% |
Frequently Asked Questions
VBMFX and VTIBX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VBMFX has higher volatility (0.96%) compared to VTIBX (0.89%). In terms of maximum drawdown, VBMFX dropped -19.08% vs VTIBX's -16.15%.
VBMFX currently has the higher Sharpe Ratio (0.72 vs 0.44), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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