CWBFX vs. BNDX
CWBFX (American Funds Capital World Bond Fund) and BNDX (Vanguard Total International Bond ETF) are both Global Bonds funds. Over the past 10 years, CWBFX returned -0.03%/yr vs 1.51%/yr for BNDX. Their 0.56 correlation means they have sometimes moved together and sometimes differently. CWBFX charges 0.95%/yr vs 0.07%/yr for BNDX.
Performance
CWBFX vs. BNDX - Performance Comparison
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Returns By Period
In the year-to-date period, CWBFX achieves a -1.51% return, which is significantly lower than BNDX's 0.22% return. Over the past 10 years, CWBFX has underperformed BNDX with an annualized return of -0.03%, while BNDX has yielded a comparatively higher 1.51% annualized return.
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%
BNDX
- 1D
- -0.23%
- 1M
- -0.97%
- 6M
- -0.29%
- YTD
- 0.22%
- 1Y
- 0.83%
- 3Y*
- 4.00%
- 5Y*
- -0.07%
- 10Y*
- 1.51%
- ALL TIME*
- 2.25%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $159.93M | $187.29M | $236.21M | |
| $0.00 | $0.00 | $0.00 |
CWBFX vs. BNDX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
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% |
BNDX Vanguard Total International Bond ETF | 0.22% | 2.86% | 3.57% | 8.77% | -12.76% | -2.29% | 4.65% | 7.87% | 2.81% | 2.40% |
Correlation
The correlation between CWBFX and BNDX is 0.72, 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. | 0.72 |
Correlation (3Y) Balances recent behavior with more history. | 0.72 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.71 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.60 |
Correlation (All Time) Calculated using the full available price history since Jun 4, 2013 | 0.56 |
The correlation between CWBFX and BNDX shifts across timeframes, from 0.56 (all time) to 0.72 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
CWBFX vs. BNDX — Risk / Return Rank
CWBFX
BNDX
CWBFX vs. BNDX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Funds Capital World Bond Fund (CWBFX) and Vanguard Total International Bond ETF (BNDX). 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.
| CWBFX | BNDX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.15 | ||
| Sortino ratioReturn per unit of downside risk | -0.20 | ||
| Omega ratioGain probability vs. loss probability | 1.03 | 1.06 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 0.21 | 0.41 | -0.20 |
| Martin ratioReturn relative to average drawdown | 0.46 | 1.04 | -0.58 |
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Drawdowns
CWBFX vs. BNDX - Drawdown Comparison
The maximum CWBFX drawdown since its inception was -27.91%, which is greater than BNDX's maximum drawdown of -16.23%. Use the drawdown chart below to compare losses from any high point for CWBFX and BNDX.
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Drawdown Indicators
| CWBFX | BNDX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -27.91% | -16.23% | -11.68% |
Max Drawdown (1Y)Largest decline over 1 year | -4.45% | -2.93% | -1.52% |
Max Drawdown (3Y)Largest decline over 3 years | -7.69% | -2.93% | -4.76% |
Max Drawdown (5Y)Largest decline over 5 years | -26.27% | -15.86% | -10.41% |
Max Drawdown (10Y)Largest decline over 10 years | -27.91% | -16.23% | -11.68% |
Current DrawdownCurrent decline from peak | -15.22% | -1.80% | -13.42% |
Average DrawdownAverage peak-to-trough decline | -4.23% | -3.08% | -1.15% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.00% | 1.14% | +0.86% |
Volatility
CWBFX vs. BNDX - Volatility Comparison
American Funds Capital World Bond Fund (CWBFX) has a higher volatility of 1.35% compared to Vanguard Total International Bond ETF (BNDX) at 1.08%. This indicates that CWBFX's price experiences larger fluctuations and is considered to be riskier than BNDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| CWBFX | BNDX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.35% | 1.08% | +0.27% |
Volatility (6M)Calculated over the trailing 6-month period | 4.03% | 3.10% | +0.93% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.96% | 3.53% | +1.43% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.61% | 4.90% | +1.71% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.65% | 4.09% | +1.56% |
CWBFX vs. BNDX - Expense Ratio Comparison
CWBFX has a 0.95% expense ratio, which is higher than BNDX's 0.07% expense ratio.
Dividends
CWBFX vs. BNDX - Dividend Comparison
CWBFX's dividend yield for the trailing twelve months is around 3.82%, less than BNDX's 4.53% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BNDX Vanguard Total International Bond ETF | 4.31% | 4.39% | 4.18% | 4.42% | 1.51% | 3.74% | 1.11% | 3.40% | 3.01% | 2.23% | 1.89% | 1.63% |
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% |
Frequently Asked Questions
CWBFX and BNDX have a correlation of 0.72, 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 BNDX (1.08%). In terms of maximum drawdown, CWBFX dropped -27.91% vs BNDX's -16.23%.
BNDX currently has the higher Sharpe Ratio (0.34 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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