VTIBX vs. CWBFX
VTIBX (Vanguard Total International Bond Index Fund) and CWBFX (American Funds Capital World Bond Fund) are both Global Bonds funds. Over the past 10 years, VTIBX returned 1.45%/yr vs -0.03%/yr for CWBFX. Their 0.56 correlation means they have sometimes moved together and sometimes differently. VTIBX charges 0.13%/yr vs 0.95%/yr for CWBFX.
Performance
VTIBX vs. CWBFX - Performance Comparison
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Returns By Period
In the year-to-date period, VTIBX achieves a 0.20% return, which is significantly higher than CWBFX's -1.51% return. Over the past 10 years, VTIBX has outperformed CWBFX with an annualized return of 1.45%, while CWBFX has yielded a comparatively lower -0.03% annualized return.
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%
CWBFX
- 1D
- 0.57%
- 1M
- -0.31%
- 6M
- -2.28%
- YTD
- -1.51%
- 1Y
- -0.01%
- 3Y*
- 2.08%
- 5Y*
- -2.77%
- 10Y*
- -0.03%
- ALL TIME*
- 4.55%
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 |
VTIBX vs. CWBFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
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% |
CWBFX American Funds Capital World Bond Fund | -1.51% | 7.78% | -3.25% | 5.81% | -17.52% | -5.17% | 9.91% | 7.66% | -1.81% | 7.26% |
Correlation
The correlation between VTIBX and CWBFX is 0.70, 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. | 0.70 |
Correlation (3Y) Balances recent behavior with more history. | 0.70 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.69 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.59 |
Correlation (All Time) Calculated using the full available price history since Jun 4, 2013 | 0.56 |
The correlation between VTIBX and CWBFX shifts across timeframes, from 0.56 (all time) to 0.70 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
VTIBX vs. CWBFX — Risk / Return Rank
VTIBX
CWBFX
VTIBX vs. CWBFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Total International Bond Index Fund (VTIBX) and American Funds Capital World Bond Fund (CWBFX). 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.
| VTIBX | CWBFX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.26 | ||
| Sortino ratioReturn per unit of downside risk | +0.35 | ||
| Omega ratioGain probability vs. loss probability | 1.08 | 1.03 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | 0.48 | 0.21 | +0.27 |
| Martin ratioReturn relative to average drawdown | 1.20 | 0.46 | +0.75 |
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Drawdowns
VTIBX vs. CWBFX - Drawdown Comparison
The maximum VTIBX drawdown since its inception was -16.15%, smaller than the maximum CWBFX drawdown of -27.91%. Use the drawdown chart below to compare losses from any high point for VTIBX and CWBFX.
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Drawdown Indicators
| VTIBX | CWBFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -16.15% | -27.91% | +11.76% |
Max Drawdown (1Y)Largest decline over 1 year | -2.95% | -4.45% | +1.50% |
Max Drawdown (3Y)Largest decline over 3 years | -2.95% | -7.69% | +4.74% |
Max Drawdown (5Y)Largest decline over 5 years | -15.81% | -26.27% | +10.46% |
Max Drawdown (10Y)Largest decline over 10 years | -16.15% | -27.91% | +11.76% |
Current DrawdownCurrent decline from peak | -1.65% | -15.22% | +13.57% |
Average DrawdownAverage peak-to-trough decline | -3.05% | -4.23% | +1.18% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.17% | 2.00% | -0.83% |
Volatility
VTIBX vs. CWBFX - Volatility Comparison
The current volatility for Vanguard Total International Bond Index Fund (VTIBX) is 0.89%, while American Funds Capital World Bond Fund (CWBFX) has a volatility of 1.35%. This indicates that VTIBX experiences smaller price fluctuations and is considered to be less risky than CWBFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VTIBX | CWBFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.89% | 1.35% | -0.46% |
Volatility (6M)Calculated over the trailing 6-month period | 2.76% | 4.03% | -1.27% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.20% | 4.96% | -1.76% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.51% | 6.61% | -2.10% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 3.66% | 5.65% | -1.99% |
VTIBX vs. CWBFX - Expense Ratio Comparison
VTIBX has a 0.13% expense ratio, which is lower than CWBFX's 0.95% expense ratio.
Dividends
VTIBX vs. CWBFX - Dividend Comparison
VTIBX's dividend yield for the trailing twelve months is around 4.25%, more than CWBFX's 3.82% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CWBFX American Funds Capital World Bond Fund | 3.82% | 2.68% | 3.01% | 2.47% | 1.99% | 2.63% | 3.18% | 2.26% | 1.87% | 1.80% | 2.05% | 0.58% |
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
VTIBX and CWBFX have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
CWBFX has higher volatility (1.35%) compared to VTIBX (0.89%). In terms of maximum drawdown, VTIBX dropped -16.15% vs CWBFX's -27.91%.
VTIBX currently has the higher Sharpe Ratio (0.44 vs 0.19), 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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