ACISX vs. DFTEX

Last updated Jun 4, 2026

ACISX (AB Corporate Income Shares) and DFTEX (DFA Intermediate-Term Extended Quality Portfolio Fund) are both Corporate Bonds funds. Over the past 10 years, ACISX returned 3.04%/yr vs 2.39%/yr for DFTEX. Their correlation of 0.91 suggests significant overlap in exposure. ACISX charges 0.00%/yr vs 0.20%/yr for DFTEX.

Performance

ACISX vs. DFTEX - Performance Comparison

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

Returns By Period

The year-to-date returns for both stocks are quite close, with ACISX having a 0.98% return and DFTEX slightly lower at 0.97%. Over the past 10 years, ACISX has outperformed DFTEX with an annualized return of 3.04%, while DFTEX has yielded a comparatively lower 2.39% annualized return.

ACISX

• 1D: 0.00%
• 1M: 0.94%
• YTD: 0.98%
• 6M: 0.91%
• 1Y: 6.89%
• 3Y*: 5.97%
• 5Y*: 0.77%
• 10Y*: 3.04%

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%

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

ACISX vs. DFTEX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
ACISX AB Corporate Income Shares	0.98%	8.44%	3.04%	7.65%	-16.27%	-1.23%	11.27%	16.95%	-2.81%	6.19%
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%

Correlation

The correlation between ACISX and DFTEX is 0.88, 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	0.88
Correlation (3Y) Calculated over the trailing 3-year period	0.93
Correlation (5Y) Calculated over the trailing 5-year period	0.94
Correlation (10Y) Calculated over the trailing 10-year period	0.91
Correlation (All Time) Calculated using the full available price history since Aug 8, 2012	0.91

The correlation between ACISX and DFTEX has been stable across timeframes, ranging from 0.88 to 0.94 - a consistent structural relationship.

Return for Risk

ACISX vs. DFTEX — Risk / Return Rank

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

ACISX

ACISX Risk / Return Rank: 33
ACISX Sharpe Ratio Rank: 32
ACISX Sortino Ratio Rank: 34
ACISX Omega Ratio Rank: 32
ACISX Calmar Ratio Rank: 33
ACISX Martin Ratio Rank: 32

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

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.

ACISX vs. DFTEX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AB Corporate Income Shares (ACISX) and DFA Intermediate-Term Extended Quality Portfolio Fund (DFTEX). 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.

	ACISX	DFTEX	Difference
Sharpe ratio: Return per unit of total volatility	1.64	1.64	0.00
Sortino ratio: Return per unit of downside risk	2.45	2.49	-0.04
Omega ratio: Gain probability vs. loss probability	1.30	1.30	0.00
Calmar ratio: Return relative to maximum drawdown	2.15	2.14	+0.01
Martin ratio: Return relative to average drawdown	7.17	7.07	+0.10
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ACISX vs. DFTEX - Sharpe Ratio Comparison

The current ACISX Sharpe Ratio is 1.64, which is comparable to the DFTEX Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of ACISX and DFTEX, 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

	ACISX	DFTEX	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	0.12	0.13	-0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.51	0.41	+0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.58	0.48	+0.10

Drawdowns

ACISX vs. DFTEX - Drawdown Comparison

The maximum ACISX drawdown since its inception was -22.65%, roughly equal to the maximum DFTEX drawdown of -22.83%. Use the drawdown chart below to compare losses from any high point for ACISX and DFTEX.

Drawdown Indicators

	ACISX	DFTEX	Difference
Max Drawdown Largest peak-to-trough decline	-22.65%	-22.83%	+0.18%
Max Drawdown (1Y) Largest decline over 1 year	-3.26%	-3.22%	-0.04%
Max Drawdown (3Y) Largest decline over 3 years	-6.56%	-5.38%	-1.18%
Max Drawdown (5Y) Largest decline over 5 years	-22.65%	-22.83%	+0.18%
Max Drawdown (10Y) Largest decline over 10 years	-22.65%	-22.83%	+0.18%
Current Drawdown Current decline from peak	-0.81%	-0.84%	+0.03%
Average Drawdown Average peak-to-trough decline	-4.46%	-4.46%	0.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.98%	0.97%	+0.01%

Volatility

ACISX vs. DFTEX - Volatility Comparison

AB Corporate Income Shares (ACISX) has a higher volatility of 1.50% compared to DFA Intermediate-Term Extended Quality Portfolio Fund (DFTEX) at 1.39%. This indicates that ACISX's price experiences larger fluctuations and is considered to be riskier than DFTEX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ACISX	DFTEX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.50%	1.39%	+0.11%
Volatility (6M) Calculated over the trailing 6-month period	3.16%	3.08%	+0.08%
Volatility (1Y) Calculated over the trailing 1-year period	4.30%	4.20%	+0.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.49%	6.71%	-0.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.00%	5.89%	+0.11%

ACISX vs. DFTEX - Expense Ratio Comparison

ACISX has a 0.00% expense ratio, which is lower than DFTEX'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%.

Dividends

ACISX vs. DFTEX - Dividend Comparison

ACISX's dividend yield for the trailing twelve months is around 5.06%, more than DFTEX's 4.93% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ACISX AB Corporate Income Shares	5.06%	5.10%	4.97%	3.66%	3.48%	3.44%	5.62%	4.77%	3.99%	3.28%	3.54%	3.63%
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 ACISX and DFTEX in my portfolio?

ACISX and DFTEX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ACISX or DFTEX?

ACISX has higher volatility (1.50%) compared to DFTEX (1.39%). In terms of maximum drawdown, ACISX dropped -22.65% vs DFTEX's -22.83%.

Which has better risk-adjusted returns?

DFTEX 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.