DFTEX vs. AGG
DFTEX (DFA Intermediate-Term Extended Quality Portfolio Fund) and AGG (iShares Core U.S. Aggregate Bond ETF) are both funds - DFTEX is a Corporate Bonds fund managed by Dimensional, while AGG is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Bond Index. Over the past 10 years, DFTEX returned 2.35%/yr vs 1.57%/yr for AGG. Their correlation of 0.92 suggests significant overlap in exposure. DFTEX charges 0.20%/yr vs 0.03%/yr for AGG.
Performance
DFTEX vs. AGG - Performance Comparison
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Returns By Period
In the year-to-date period, DFTEX achieves a 1.08% return, which is significantly higher than AGG's 0.52% return. Over the past 10 years, DFTEX has outperformed AGG with an annualized return of 2.35%, while AGG has yielded a comparatively lower 1.57% annualized return.
DFTEX
- 1D
- 0.62%
- 1M
- 1.42%
- YTD
- 1.08%
- 6M
- 1.49%
- 1Y
- 6.11%
- 3Y*
- 6.02%
- 5Y*
- 0.58%
- 10Y*
- 2.35%
AGG
- 1D
- -0.12%
- 1M
- 0.46%
- YTD
- 0.52%
- 6M
- 0.93%
- 1Y
- 4.87%
- 3Y*
- 4.19%
- 5Y*
- 0.06%
- 10Y*
- 1.57%
DFTEX vs. AGG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
DFTEX DFA Intermediate-Term Extended Quality Portfolio Fund | 1.08% | 7.70% | 2.89% | 9.61% | -16.28% | -2.05% | 10.26% | 13.38% | -2.10% | 5.20% |
AGG iShares Core U.S. Aggregate Bond ETF | 0.52% | 7.19% | 1.31% | 5.65% | -13.02% | -1.77% | 7.48% | 8.46% | 0.09% | 3.55% |
Correlation
The correlation between DFTEX and AGG is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.94 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.95 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.95 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.92 |
Correlation (All Time) Calculated using the full available price history since Aug 3, 2012 | 0.92 |
The correlation between DFTEX and AGG has been stable across timeframes, ranging from 0.92 to 0.95 - a consistent structural relationship.
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Return for Risk
DFTEX vs. AGG — Risk / Return Rank
DFTEX
AGG
DFTEX vs. AGG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for DFA Intermediate-Term Extended Quality Portfolio Fund (DFTEX) and iShares Core U.S. Aggregate Bond ETF (AGG). 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.
| DFTEX | AGG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.32 | ||
| Sortino ratioReturn per unit of downside risk | +0.51 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.21 | +0.06 |
| Calmar ratioReturn relative to maximum drawdown | 1.96 | 1.63 | +0.32 |
| Martin ratioReturn relative to average drawdown | 6.35 | 4.82 | +1.53 |
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Drawdowns
DFTEX vs. AGG - Drawdown Comparison
The maximum DFTEX drawdown since its inception was -22.83%, which is greater than AGG's maximum drawdown of -18.43%. Use the drawdown chart below to compare losses from any high point for DFTEX and AGG.
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Drawdown Indicators
| DFTEX | AGG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -22.83% | -18.43% | -4.40% |
Max Drawdown (1Y)Largest decline over 1 year | -3.22% | -2.76% | -0.46% |
Max Drawdown (3Y)Largest decline over 3 years | -5.38% | -6.11% | +0.73% |
Max Drawdown (5Y)Largest decline over 5 years | -22.83% | -17.82% | -5.01% |
Max Drawdown (10Y)Largest decline over 10 years | -22.83% | -18.43% | -4.40% |
Current DrawdownCurrent decline from peak | -0.74% | -1.88% | +1.14% |
Average DrawdownAverage peak-to-trough decline | -4.45% | -2.71% | -1.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.99% | 0.94% | +0.05% |
Volatility
DFTEX vs. AGG - Volatility Comparison
DFA Intermediate-Term Extended Quality Portfolio Fund (DFTEX) has a higher volatility of 1.45% compared to iShares Core U.S. Aggregate Bond ETF (AGG) at 1.37%. This indicates that DFTEX's price experiences larger fluctuations and is considered to be riskier than AGG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DFTEX | AGG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.45% | 1.37% | +0.08% |
Volatility (6M)Calculated over the trailing 6-month period | 3.14% | 2.81% | +0.33% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.20% | 3.82% | +0.38% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.71% | 6.09% | +0.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.89% | 5.41% | +0.48% |
DFTEX vs. AGG - Expense Ratio Comparison
DFTEX has a 0.20% expense ratio, which is higher than AGG's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
DFTEX vs. AGG - Dividend Comparison
DFTEX's dividend yield for the trailing twelve months is around 4.92%, more than AGG's 3.98% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AGG iShares Core U.S. Aggregate Bond ETF | 3.98% | 3.89% | 3.74% | 3.13% | 2.39% | 1.77% | 2.14% | 2.70% | 2.72% | 2.32% | 2.39% | 2.45% |
DFTEX DFA Intermediate-Term Extended Quality Portfolio Fund | 4.92% | 4.30% | 4.27% | 3.79% | 3.25% | 4.12% | 3.31% | 3.06% | 3.24% | 2.91% | 2.88% | 3.90% |
Frequently Asked Questions
With a correlation of 0.94, DFTEX and AGG move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
DFTEX has higher volatility (1.45%) compared to AGG (1.37%). In terms of maximum drawdown, DFTEX dropped -22.83% vs AGG's -18.43%.
DFTEX currently has the higher Sharpe Ratio (1.50 vs 1.19), 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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