IAGG vs. DFGX
Compare and contrast key facts about iShares Core International Aggregate Bond ETF (IAGG) and Dimensional Global Ex US Core Fixed Income ETF (DFGX).
IAGG and DFGX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. 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. DFGX is an actively managed fund by Dimensional. It was launched on Nov 7, 2023.
Performance
IAGG vs. DFGX - Performance Comparison
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IAGG vs. DFGX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
IAGG iShares Core International Aggregate Bond ETF | 0.27% | 3.26% | 4.51% | 4.33% |
DFGX Dimensional Global Ex US Core Fixed Income ETF | -0.35% | 3.46% | 3.75% | 4.95% |
Returns By Period
In the year-to-date period, IAGG achieves a 0.27% return, which is significantly higher than DFGX's -0.35% return.
IAGG
- 1D
- 0.46%
- 1M
- -1.61%
- YTD
- 0.27%
- 6M
- 0.89%
- 1Y
- 3.40%
- 3Y*
- 4.48%
- 5Y*
- 0.97%
- 10Y*
- 2.23%
DFGX
- 1D
- 0.61%
- 1M
- -2.47%
- YTD
- -0.35%
- 6M
- -0.10%
- 1Y
- 3.17%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
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IAGG vs. DFGX - Expense Ratio Comparison
IAGG has a 0.07% expense ratio, which is lower than DFGX's 0.20% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Return for Risk
IAGG vs. DFGX — Risk / Return Rank
IAGG
DFGX
IAGG vs. DFGX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core International Aggregate Bond ETF (IAGG) and Dimensional Global Ex US Core Fixed Income ETF (DFGX). 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.
| IAGG | DFGX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.30 | 0.71 | +0.59 |
Sortino ratioReturn per unit of downside risk | 1.84 | 1.00 | +0.84 |
Omega ratioGain probability vs. loss probability | 1.23 | 1.13 | +0.10 |
Calmar ratioReturn relative to maximum drawdown | 1.47 | 0.92 | +0.55 |
Martin ratioReturn relative to average drawdown | 6.38 | 3.61 | +2.77 |
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
| IAGG | DFGX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.30 | 0.71 | +0.59 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.22 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.55 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.61 | 1.09 | -0.48 |
Correlation
The correlation between IAGG and DFGX is 0.86, 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
IAGG vs. DFGX - Dividend Comparison
IAGG's dividend yield for the trailing twelve months is around 3.29%, more than DFGX's 2.78% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IAGG iShares Core International Aggregate Bond ETF | 3.29% | 3.08% | 4.28% | 3.55% | 2.27% | 1.16% | 1.95% | 2.82% | 3.02% | 1.74% | 1.56% | 0.13% |
DFGX Dimensional Global Ex US Core Fixed Income ETF | 2.78% | 2.84% | 4.61% | 0.49% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
IAGG vs. DFGX - Drawdown Comparison
The maximum IAGG drawdown since its inception was -13.88%, which is greater than DFGX's maximum drawdown of -3.32%. Use the drawdown chart below to compare losses from any high point for IAGG and DFGX.
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Drawdown Indicators
| IAGG | DFGX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.88% | -3.32% | -10.56% |
Max Drawdown (1Y)Largest decline over 1 year | -2.32% | -3.32% | +1.00% |
Max Drawdown (5Y)Largest decline over 5 years | -13.57% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -13.88% | — | — |
Current DrawdownCurrent decline from peak | -1.61% | -2.47% | +0.86% |
Average DrawdownAverage peak-to-trough decline | -2.87% | -0.70% | -2.17% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.54% | 0.85% | -0.31% |
Volatility
IAGG vs. DFGX - Volatility Comparison
The current volatility for iShares Core International Aggregate Bond ETF (IAGG) is 1.47%, while Dimensional Global Ex US Core Fixed Income ETF (DFGX) has a volatility of 1.99%. This indicates that IAGG experiences smaller price fluctuations and is considered to be less risky than DFGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IAGG | DFGX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.47% | 1.99% | -0.52% |
Volatility (6M)Calculated over the trailing 6-month period | 1.91% | 2.69% | -0.78% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.62% | 4.45% | -1.83% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.47% | 4.59% | -0.12% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.03% | 4.59% | -0.56% |