DFTEX vs. ACCBX

Last updated Jun 4, 2026

DFTEX (DFA Intermediate-Term Extended Quality Portfolio Fund) and ACCBX (Invesco Corporate Bond Fund) are both Corporate Bonds funds. Over the past 10 years, DFTEX returned 2.39%/yr vs 2.96%/yr for ACCBX. Their correlation of 0.87 suggests significant overlap in exposure. DFTEX charges 0.20%/yr vs 0.72%/yr for ACCBX.

Performance

DFTEX vs. ACCBX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in DFA Intermediate-Term Extended Quality Portfolio Fund (DFTEX) and Invesco Corporate Bond Fund (ACCBX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DFTEX achieves a 0.97% return, which is significantly higher than ACCBX's 0.62% return. Over the past 10 years, DFTEX has underperformed ACCBX with an annualized return of 2.39%, while ACCBX has yielded a comparatively higher 2.96% annualized return.

DFTEX

• 1D: 0.10%
• 1M: 1.00%
• YTD: 0.97%
• 6M: 0.78%
• 1Y: 6.66%
• 3Y*: 5.95%
• 5Y*: 0.84%
• 10Y*: 2.39%

ACCBX

• 1D: 0.00%
• 1M: 0.90%
• YTD: 0.62%
• 6M: 0.56%
• 1Y: 6.46%
• 3Y*: 5.28%
• 5Y*: 0.07%
• 10Y*: 2.96%

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

DFTEX vs. ACCBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DFTEX DFA Intermediate-Term Extended Quality Portfolio Fund	0.97%	7.70%	2.89%	9.61%	-16.28%	-2.05%	10.26%	13.38%	-2.10%	5.20%
ACCBX Invesco Corporate Bond Fund	0.62%	7.34%	2.87%	7.01%	-16.72%	0.31%	11.43%	15.78%	-4.13%	7.27%

Correlation

The correlation between DFTEX and ACCBX is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.88
Correlation (All Time) Calculated using the full available price history since Aug 6, 2012	0.87

The correlation between DFTEX and ACCBX has been stable across timeframes, ranging from 0.87 to 0.92 - a consistent structural relationship.

Return for Risk

DFTEX vs. ACCBX — Risk / Return Rank

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

DFTEX

DFTEX Risk / Return Rank: 33
DFTEX Sharpe Ratio Rank: 33
DFTEX Sortino Ratio Rank: 36
DFTEX Omega Ratio Rank: 32
DFTEX Calmar Ratio Rank: 32
DFTEX Martin Ratio Rank: 31

ACCBX

ACCBX Risk / Return Rank: 31
ACCBX Sharpe Ratio Rank: 33
ACCBX Sortino Ratio Rank: 34
ACCBX Omega Ratio Rank: 35
ACCBX Calmar Ratio Rank: 27
ACCBX Martin Ratio Rank: 28

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.

DFTEX vs. ACCBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for DFA Intermediate-Term Extended Quality Portfolio Fund (DFTEX) and Invesco Corporate Bond Fund (ACCBX). 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.

	DFTEX	ACCBX	Difference
Sharpe ratio: Return per unit of total volatility	1.64	1.64	0.00
Sortino ratio: Return per unit of downside risk	2.49	2.43	+0.05
Omega ratio: Gain probability vs. loss probability	1.30	1.31	-0.02
Calmar ratio: Return relative to maximum drawdown	2.14	1.93	+0.21
Martin ratio: Return relative to average drawdown	7.07	6.65	+0.42
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DFTEX vs. ACCBX - Sharpe Ratio Comparison

The current DFTEX Sharpe Ratio is 1.64, which is comparable to the ACCBX Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of DFTEX and ACCBX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	DFTEX	ACCBX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.64	1.64	0.00
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.13	0.01	+0.11
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.41	0.52	-0.11
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	0.51	-0.03

Drawdowns

DFTEX vs. ACCBX - Drawdown Comparison

The maximum DFTEX drawdown since its inception was -22.83%, smaller than the maximum ACCBX drawdown of -45.26%. Use the drawdown chart below to compare losses from any high point for DFTEX and ACCBX.

Drawdown Indicators

	DFTEX	ACCBX	Difference
Max Drawdown Largest peak-to-trough decline	-22.83%	-45.26%	+22.43%
Max Drawdown (1Y) Largest decline over 1 year	-3.22%	-3.46%	+0.24%
Max Drawdown (3Y) Largest decline over 3 years	-5.38%	-6.72%	+1.34%
Max Drawdown (5Y) Largest decline over 5 years	-22.83%	-23.59%	+0.76%
Max Drawdown (10Y) Largest decline over 10 years	-22.83%	-23.59%	+0.76%
Current Drawdown Current decline from peak	-0.84%	-2.72%	+1.88%
Average Drawdown Average peak-to-trough decline	-4.46%	-10.86%	+6.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.97%	1.00%	-0.03%

Volatility

DFTEX vs. ACCBX - Volatility Comparison

DFA Intermediate-Term Extended Quality Portfolio Fund (DFTEX) and Invesco Corporate Bond Fund (ACCBX) have volatilities of 1.39% and 1.43%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DFTEX	ACCBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.39%	1.43%	-0.04%
Volatility (6M) Calculated over the trailing 6-month period	3.08%	3.03%	+0.05%
Volatility (1Y) Calculated over the trailing 1-year period	4.20%	4.08%	+0.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.71%	6.28%	+0.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.89%	5.73%	+0.16%

DFTEX vs. ACCBX - Expense Ratio Comparison

DFTEX has a 0.20% expense ratio, which is lower than ACCBX's 0.72% expense ratio.

Dividends

DFTEX vs. ACCBX - Dividend Comparison

DFTEX's dividend yield for the trailing twelve months is around 4.93%, less than ACCBX's 5.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACCBX Invesco Corporate Bond Fund	5.00%	4.95%	4.63%	3.78%	3.84%	4.91%	5.98%	3.67%	4.22%	4.13%	3.64%	3.88%
DFTEX DFA Intermediate-Term Extended Quality Portfolio Fund	4.93%	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

Can I hold both DFTEX and ACCBX in my portfolio?

DFTEX and ACCBX have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DFTEX or ACCBX?

ACCBX has higher volatility (1.43%) compared to DFTEX (1.39%). In terms of maximum drawdown, DFTEX dropped -22.83% vs ACCBX's -45.26%.

Which has better risk-adjusted returns?

ACCBX currently has the higher Sharpe Ratio (1.64 vs 1.64), 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.