IGOV vs. BNDW
Compare and contrast key facts about iShares International Treasury Bond ETF (IGOV) and Vanguard Total World Bond ETF (BNDW).
IGOV and BNDW are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. IGOV is a passively managed fund by iShares that tracks the performance of the S&P/Citigroup International Treasury Bond Index Ex-US. It was launched on Jan 21, 2009. BNDW is a passively managed fund by Vanguard that tracks the performance of the Bloomberg Global Aggregate Float Adjusted Composite Index. It was launched on Sep 4, 2018. Both IGOV and BNDW are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
IGOV vs. BNDW - Performance Comparison
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IGOV vs. BNDW - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
IGOV iShares International Treasury Bond ETF | -1.19% | 9.96% | -6.50% | 5.57% | -22.07% | -9.25% | 10.88% | 3.76% | 0.01% |
BNDW Vanguard Total World Bond ETF | 0.09% | 5.02% | 2.42% | 7.18% | -12.88% | -2.10% | 6.22% | 8.37% | 1.21% |
Returns By Period
In the year-to-date period, IGOV achieves a -1.19% return, which is significantly lower than BNDW's 0.09% return.
IGOV
- 1D
- 0.25%
- 1M
- -3.12%
- YTD
- -1.19%
- 6M
- -2.10%
- 1Y
- 5.60%
- 3Y*
- 1.45%
- 5Y*
- -4.17%
- 10Y*
- -1.31%
BNDW
- 1D
- 0.13%
- 1M
- -1.46%
- YTD
- 0.09%
- 6M
- 0.53%
- 1Y
- 3.34%
- 3Y*
- 3.77%
- 5Y*
- 0.23%
- 10Y*
- —
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IGOV vs. BNDW - Expense Ratio Comparison
IGOV has a 0.35% expense ratio, which is higher than BNDW's 0.05% expense ratio.
Return for Risk
IGOV vs. BNDW — Risk / Return Rank
IGOV
BNDW
IGOV vs. BNDW - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares International Treasury Bond ETF (IGOV) and Vanguard Total World Bond ETF (BNDW). 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.
| IGOV | BNDW | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.62 | 0.95 | -0.33 |
Sortino ratioReturn per unit of downside risk | 0.98 | 1.34 | -0.37 |
Omega ratioGain probability vs. loss probability | 1.12 | 1.17 | -0.05 |
Calmar ratioReturn relative to maximum drawdown | 1.03 | 1.35 | -0.31 |
Martin ratioReturn relative to average drawdown | 2.75 | 4.95 | -2.20 |
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
| IGOV | BNDW | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.62 | 0.95 | -0.33 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.42 | 0.04 | -0.47 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.15 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.01 | 0.37 | -0.36 |
Correlation
The correlation between IGOV and BNDW is 0.63, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
IGOV vs. BNDW - Dividend Comparison
IGOV's dividend yield for the trailing twelve months is around 1.43%, less than BNDW's 4.18% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IGOV iShares International Treasury Bond ETF | 1.43% | 1.41% | 0.59% | 0.00% | 0.11% | 0.39% | 0.00% | 0.24% | 0.31% | 0.19% | 0.69% | 0.12% |
BNDW Vanguard Total World Bond ETF | 4.18% | 4.12% | 3.90% | 3.73% | 2.02% | 2.58% | 1.56% | 3.05% | 1.66% | 0.00% | 0.00% | 0.00% |
Drawdowns
IGOV vs. BNDW - Drawdown Comparison
The maximum IGOV drawdown since its inception was -35.88%, which is greater than BNDW's maximum drawdown of -17.22%. Use the drawdown chart below to compare losses from any high point for IGOV and BNDW.
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Drawdown Indicators
| IGOV | BNDW | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -35.88% | -17.22% | -18.66% |
Max Drawdown (1Y)Largest decline over 1 year | -5.70% | -2.70% | -3.00% |
Max Drawdown (5Y)Largest decline over 5 years | -33.17% | -16.93% | -16.24% |
Max Drawdown (10Y)Largest decline over 10 years | -35.88% | — | — |
Current DrawdownCurrent decline from peak | -24.53% | -1.85% | -22.68% |
Average DrawdownAverage peak-to-trough decline | -10.89% | -5.05% | -5.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.15% | 0.73% | +1.42% |
Volatility
IGOV vs. BNDW - Volatility Comparison
iShares International Treasury Bond ETF (IGOV) has a higher volatility of 3.57% compared to Vanguard Total World Bond ETF (BNDW) at 1.67%. This indicates that IGOV's price experiences larger fluctuations and is considered to be riskier than BNDW based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IGOV | BNDW | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.57% | 1.67% | +1.90% |
Volatility (6M)Calculated over the trailing 6-month period | 5.30% | 2.29% | +3.01% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.04% | 3.53% | +5.51% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.87% | 5.17% | +4.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 8.58% | 4.92% | +3.66% |