IAGG vs. DFGBX
IAGG (iShares Core International Aggregate Bond ETF) and DFGBX (DFA Five Year Global Fixed Income Portfolio) are both Global Bonds funds. Over the past 10 years, IAGG returned 2.12%/yr vs 1.27%/yr for DFGBX. At a 0.49 correlation, their price movements are largely independent. IAGG charges 0.07%/yr vs 0.23%/yr for DFGBX.
Performance
IAGG vs. DFGBX - Performance Comparison
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Returns By Period
In the year-to-date period, IAGG achieves a 0.72% return, which is significantly lower than DFGBX's 1.15% return. Over the past 10 years, IAGG has outperformed DFGBX with an annualized return of 2.12%, while DFGBX has yielded a comparatively lower 1.27% annualized return.
IAGG
- 1D
- -0.14%
- 1M
- -0.18%
- YTD
- 0.72%
- 6M
- 0.87%
- 1Y
- 2.26%
- 3Y*
- 4.55%
- 5Y*
- 1.05%
- 10Y*
- 2.12%
DFGBX
- 1D
- 0.00%
- 1M
- 0.30%
- YTD
- 1.15%
- 6M
- 1.53%
- 1Y
- 2.38%
- 3Y*
- 4.19%
- 5Y*
- 1.20%
- 10Y*
- 1.27%
IAGG vs. DFGBX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IAGG iShares Core International Aggregate Bond ETF | 0.72% | 3.26% | 4.51% | 8.49% | -10.86% | -1.87% | 4.63% | 7.99% | 3.38% | 2.09% |
DFGBX DFA Five Year Global Fixed Income Portfolio | 1.15% | 3.13% | 5.37% | 5.00% | -6.63% | -1.03% | 1.52% | 4.04% | 1.68% | 0.88% |
Correlation
The correlation between IAGG and DFGBX is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.57 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.28 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.50 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.50 |
Correlation (All Time) Calculated using the full available price history since Nov 13, 2015 | 0.49 |
The correlation between IAGG and DFGBX shifts across timeframes, from 0.28 (3 years) to 0.57 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
IAGG vs. DFGBX — Risk / Return Rank
IAGG
DFGBX
IAGG vs. DFGBX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core International Aggregate Bond ETF (IAGG) and DFA Five Year Global Fixed Income Portfolio (DFGBX). 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 | DFGBX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.48 | ||
| Sortino ratioReturn per unit of downside risk | -0.43 | ||
| Omega ratioGain probability vs. loss probability | 1.14 | 1.37 | -0.23 |
| Calmar ratioReturn relative to maximum drawdown | 0.98 | 1.75 | -0.77 |
| Martin ratioReturn relative to average drawdown | 2.91 | 4.74 | -1.84 |
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 | DFGBX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.80 | 1.28 | -0.48 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.23 | 0.55 | -0.32 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.53 | 0.66 | -0.13 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.61 | 0.74 | -0.12 |
Drawdowns
IAGG vs. DFGBX - Drawdown Comparison
The maximum IAGG drawdown since its inception was -13.88%, which is greater than DFGBX's maximum drawdown of -9.63%. Use the drawdown chart below to compare losses from any high point for IAGG and DFGBX.
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Drawdown Indicators
| IAGG | DFGBX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -13.88% | -9.63% | -4.25% |
Max Drawdown (1Y)Largest decline over 1 year | -2.32% | -1.38% | -0.94% |
Max Drawdown (3Y)Largest decline over 3 years | -2.32% | -1.67% | -0.65% |
Max Drawdown (5Y)Largest decline over 5 years | -13.57% | -9.63% | -3.94% |
Max Drawdown (10Y)Largest decline over 10 years | -13.88% | -9.63% | -4.25% |
Current DrawdownCurrent decline from peak | -1.18% | -0.20% | -0.98% |
Average DrawdownAverage peak-to-trough decline | -2.84% | -0.93% | -1.91% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.78% | 0.50% | +0.28% |
Volatility
IAGG vs. DFGBX - Volatility Comparison
iShares Core International Aggregate Bond ETF (IAGG) has a higher volatility of 1.09% compared to DFA Five Year Global Fixed Income Portfolio (DFGBX) at 0.50%. This indicates that IAGG's price experiences larger fluctuations and is considered to be riskier than DFGBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IAGG | DFGBX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.09% | 0.50% | +0.59% |
Volatility (6M)Calculated over the trailing 6-month period | 2.41% | 1.31% | +1.10% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.84% | 1.88% | +0.96% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.51% | 2.20% | +2.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.05% | 1.93% | +2.12% |
IAGG vs. DFGBX - Expense Ratio Comparison
IAGG has a 0.07% expense ratio, which is lower than DFGBX's 0.23% 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%.
Dividends
IAGG vs. DFGBX - Dividend Comparison
IAGG's dividend yield for the trailing twelve months is around 3.67%, more than DFGBX's 3.43% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DFGBX DFA Five Year Global Fixed Income Portfolio | 3.43% | 2.91% | 4.69% | 3.61% | 1.63% | 0.73% | 0.03% | 2.30% | 4.74% | 0.89% | 1.16% | 1.72% |
IAGG iShares Core International Aggregate Bond ETF | 3.67% | 3.08% | 4.28% | 3.55% | 2.27% | 1.16% | 1.95% | 2.82% | 3.02% | 1.74% | 1.56% | 0.13% |
Frequently Asked Questions
IAGG and DFGBX have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IAGG has higher volatility (1.09%) compared to DFGBX (0.50%). In terms of maximum drawdown, IAGG dropped -13.88% vs DFGBX's -9.63%.
DFGBX currently has the higher Sharpe Ratio (1.28 vs 0.80), 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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