BNDX vs. IAGG

Last updated Apr 2, 2026

Compare and contrast key facts about Vanguard Total International Bond ETF (BNDX) and iShares Core International Aggregate Bond ETF (IAGG).

BNDX and IAGG are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BNDX is a passively managed fund by Vanguard that tracks the performance of the Bloomberg Global Aggregate ex-USD Float Adjusted RIC Capped Index (USD Hedged). It was launched on May 31, 2013. IAGG is a passively managed fund by iShares that tracks the performance of the Bloomberg Global Aggregate ex USD 10% Issuer Capped (Hedged) Index. It was launched on Nov 10, 2015. Both BNDX and IAGG 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

BNDX vs. IAGG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Vanguard Total International Bond ETF (BNDX) and iShares Core International Aggregate Bond ETF (IAGG). The values are adjusted to include any dividend payments, if applicable.

BNDX vs. IAGG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BNDX Vanguard Total International Bond ETF	0.02%	2.86%	3.57%	8.77%	-12.76%	-2.29%	4.65%	7.87%	2.81%	2.40%
IAGG iShares Core International Aggregate Bond ETF	0.29%	3.26%	4.51%	8.49%	-10.86%	-1.87%	4.63%	7.99%	3.38%	2.09%

Returns By Period

In the year-to-date period, BNDX achieves a 0.02% return, which is significantly lower than IAGG's 0.29% return. Over the past 10 years, BNDX has underperformed IAGG with an annualized return of 1.75%, while IAGG has yielded a comparatively higher 2.23% annualized return.

BNDX

• 1D: 0.15%
• 1M: -1.65%
• YTD: 0.02%
• 6M: 0.27%
• 1Y: 2.71%
• 3Y*: 3.88%
• 5Y*: 0.20%
• 10Y*: 1.75%

IAGG

• 1D: 0.02%
• 1M: -1.20%
• YTD: 0.29%
• 6M: 0.84%
• 1Y: 3.21%
• 3Y*: 4.49%
• 5Y*: 0.98%
• 10Y*: 2.23%

*Multi-year figures are annualized to reflect compound growth (CAGR)

BNDX vs. IAGG - Expense Ratio Comparison

Both BNDX and IAGG have an expense ratio of 0.07%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

BNDX

Vanguard Total International Bond ETF

IAGG

iShares Core International Aggregate Bond ETF

Return for Risk

BNDX vs. IAGG — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

BNDX

BNDX Risk / Return Rank: 40
BNDX Sharpe Ratio Rank: 44
BNDX Sortino Ratio Rank: 40
BNDX Omega Ratio Rank: 36
BNDX Calmar Ratio Rank: 38
BNDX Martin Ratio Rank: 42

IAGG

IAGG Risk / Return Rank: 61
IAGG Sharpe Ratio Rank: 68
IAGG Sortino Ratio Rank: 67
IAGG Omega Ratio Rank: 57
IAGG Calmar Ratio Rank: 55
IAGG Martin Ratio Rank: 61

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

BNDX vs. IAGG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Vanguard Total International Bond ETF (BNDX) and iShares Core International Aggregate Bond ETF (IAGG). 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.

	BNDX	IAGG	Difference
Sharpe ratio Return per unit of total volatility	0.85	1.23	-0.38
Sortino ratio Return per unit of downside risk	1.19	1.74	-0.55
Omega ratio Gain probability vs. loss probability	1.15	1.22	-0.07
Calmar ratio Return relative to maximum drawdown	1.01	1.47	-0.46
Martin ratio Return relative to average drawdown	4.10	6.27	-2.18
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BNDX vs. IAGG - Sharpe Ratio Comparison

The current BNDX Sharpe Ratio is 0.85, which is lower than the IAGG Sharpe Ratio of 1.23. The chart below compares the historical Sharpe Ratios of BNDX and IAGG, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	BNDX	IAGG	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.85	1.23	-0.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.04	0.22	-0.18
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.43	0.55	-0.12
Sharpe Ratio (All Time) Calculated using the full available price history	0.61	0.61	-0.01

Correlation

The correlation between BNDX and IAGG is 0.81, 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

BNDX vs. IAGG - Dividend Comparison

BNDX's dividend yield for the trailing twelve months is around 4.46%, more than IAGG's 3.68% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BNDX Vanguard Total International Bond ETF	4.46%	4.39%	4.18%	4.42%	1.51%	3.74%	1.11%	3.40%	3.01%	2.23%	1.89%	1.63%
IAGG iShares Core International Aggregate Bond ETF	3.68%	3.08%	4.28%	3.55%	2.27%	1.16%	1.95%	2.82%	3.02%	1.74%	1.56%	0.13%

Drawdowns

BNDX vs. IAGG - Drawdown Comparison

The maximum BNDX drawdown since its inception was -16.23%, which is greater than IAGG's maximum drawdown of -13.88%. Use the drawdown chart below to compare losses from any high point for BNDX and IAGG.

Drawdown Indicators

	BNDX	IAGG	Difference
Max Drawdown Largest peak-to-trough decline	-16.23%	-13.88%	-2.35%
Max Drawdown (1Y) Largest decline over 1 year	-2.93%	-2.32%	-0.61%
Max Drawdown (5Y) Largest decline over 5 years	-15.86%	-13.57%	-2.29%
Max Drawdown (10Y) Largest decline over 10 years	-16.23%	-13.88%	-2.35%
Current Drawdown Current decline from peak	-1.99%	-1.59%	-0.40%
Average Drawdown Average peak-to-trough decline	-3.10%	-2.87%	-0.23%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.72%	0.55%	+0.17%

Volatility

BNDX vs. IAGG - Volatility Comparison

Vanguard Total International Bond ETF (BNDX) has a higher volatility of 1.74% compared to iShares Core International Aggregate Bond ETF (IAGG) at 1.47%. This indicates that BNDX's price experiences larger fluctuations and is considered to be riskier than IAGG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BNDX	IAGG	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.74%	1.47%	+0.27%
Volatility (6M) Calculated over the trailing 6-month period	2.29%	1.91%	+0.38%
Volatility (1Y) Calculated over the trailing 1-year period	3.21%	2.62%	+0.59%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.81%	4.47%	+0.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.05%	4.03%	+0.02%