DFAS vs. DFAU

Last updated Aug 2, 2026

DFAS (Dimensional U.S. Small Cap ETF) and DFAU (Dimensional US Core Equity Market ETF) are both exchange-traded funds - DFAS is a Small Cap Blend Equities fund actively managed by Dimensional, while DFAU is a Large Cap Blend Equities fund actively managed by Dimensional. Both are actively managed. Over the past 5 years, DFAS returned 8.65%/yr vs 12.36%/yr for DFAU. Their correlation of 0.87 means they have usually moved in the same direction. DFAS charges 0.26%/yr vs 0.12%/yr for DFAU.

Performance

DFAS vs. DFAU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional U.S. Small Cap ETF (DFAS) and Dimensional US Core Equity Market ETF (DFAU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DFAS achieves a 16.93% return, which is significantly higher than DFAU's 11.17% return.

DFAS

• 1D: -0.17%
• 1M: -0.61%
• 6M: 10.95%
• YTD: 16.93%
• 1Y: 29.19%
• 3Y*: 13.31%
• 5Y*: 8.65%
• 10Y*: —
• ALL TIME*: 7.93%

DFAU

• 1D: 0.54%
• 1M: 0.47%
• 6M: 9.09%
• YTD: 11.17%
• 1Y: 22.71%
• 3Y*: 18.70%
• 5Y*: 12.36%
• 10Y*: —
• ALL TIME*: 14.88%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
DFAS Dimensional U.S. Small Cap ETF	$35.83M	$42.77M	$37.37M
DFAU Dimensional US Core Equity Market ETF	$27.31M	$29.07M	$31.61M

DFAS vs. DFAU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
DFAS Dimensional U.S. Small Cap ETF	16.93%	8.17%	10.21%	17.83%	-13.84%	4.52%
DFAU Dimensional US Core Equity Market ETF	11.17%	16.78%	23.17%	24.79%	-16.99%	10.77%

Correlation

The correlation between DFAS and DFAU is 0.80, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.80
Correlation (3Y) Balances recent behavior with more history.	0.83
Correlation (5Y) Shows whether the relationship held over a longer period.	0.87
Correlation (All Time) Calculated using the full available price history since Jun 14, 2021	0.87

The correlation between DFAS and DFAU has been stable across timeframes, ranging from 0.80 to 0.87 - a consistent structural relationship.

DFAS vs. DFAU - Sectors Allocation Comparison

Sectors	DFAS	DFAU
Financial Services	19.6%	14.2%
Industrials	19.0%	9.0%
Technology	14.7%	39.8%
Consumer Cyclical	13.1%	10.4%
Healthcare	13.0%	7.4%
Energy	5.9%	3.2%
Basic Materials	4.8%	2.2%
Consumer Defensive	4.2%	3.9%
Utilities	2.7%	2.4%
Communication Services	2.5%	7.4%
Real Estate	0.7%	0.2%

Return for Risk

DFAS vs. DFAU — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

DFAS

DFAS Risk / Return Rank: 75
DFAS Sharpe Ratio Rank: 72
DFAS Sortino Ratio Rank: 76
DFAS Omega Ratio Rank: 68
DFAS Calmar Ratio Rank: 80
DFAS Martin Ratio Rank: 79

DFAU

DFAU Risk / Return Rank: 72
DFAU Sharpe Ratio Rank: 71
DFAU Sortino Ratio Rank: 69
DFAU Omega Ratio Rank: 69
DFAU Calmar Ratio Rank: 70
DFAU Martin Ratio Rank: 80

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

DFAS vs. DFAU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional U.S. Small Cap ETF (DFAS) and Dimensional US Core Equity Market ETF (DFAU). 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.

	DFAS	DFAU	Difference
Sharpe ratio: Return per unit of total volatility	1.62	1.61	+0.02
Sortino ratio: Return per unit of downside risk	2.42	2.22	+0.20
Omega ratio: Gain probability vs. loss probability	1.29	1.29	0.00
Calmar ratio: Return relative to maximum drawdown	2.88	2.39	+0.49
Martin ratio: Return relative to average drawdown	10.09	10.37	-0.28

DFAS vs. DFAU - Sharpe Ratio Comparison

The current DFAS Sharpe Ratio is 1.62, which is comparable to the DFAU Sharpe Ratio of 1.61. The chart below compares the historical Sharpe Ratios of DFAS and DFAU, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

DFAS vs. DFAU - Drawdown Comparison

The maximum DFAS drawdown since its inception was -26.13%, which is greater than DFAU's maximum drawdown of -23.61%. Use the drawdown chart below to compare losses from any high point for DFAS and DFAU.

Drawdown Indicators

	DFAS	DFAU	Difference
Max Drawdown Largest peak-to-trough decline	-26.13%	-23.61%	-2.52%
Max Drawdown (1Y) Largest decline over 1 year	-9.36%	-8.67%	-0.69%
Max Drawdown (3Y) Largest decline over 3 years	-26.13%	-19.36%	-6.77%
Max Drawdown (5Y) Largest decline over 5 years	-26.13%	-23.61%	-2.52%
Current Drawdown Current decline from peak	-1.59%	-0.80%	-0.79%
Average Drawdown Average peak-to-trough decline	-8.08%	-4.89%	-3.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.67%	2.00%	+0.67%

Volatility

DFAS vs. DFAU - Volatility Comparison

Dimensional U.S. Small Cap ETF (DFAS) and Dimensional US Core Equity Market ETF (DFAU) have volatilities of 3.36% and 3.40%, 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

	DFAS	DFAU	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.36%	3.40%	-0.04%
Volatility (6M) Calculated over the trailing 6-month period	11.54%	10.06%	+1.48%
Volatility (1Y) Calculated over the trailing 1-year period	16.67%	12.94%	+3.73%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.67%	17.11%	+3.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.66%	16.68%	+3.98%

DFAS vs. DFAU - Expense Ratio Comparison

DFAS has a 0.26% expense ratio, which is higher than DFAU's 0.12% 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

DFAS vs. DFAU - Dividend Comparison

DFAS's dividend yield for the trailing twelve months is around 0.98%, more than DFAU's 0.91% yield.

Position	TTM	2025	2024	2023	2022	2021	2020
DFAS Dimensional U.S. Small Cap ETF	0.98%	0.99%	0.93%	1.00%	1.03%	2.87%	0.00%
DFAU Dimensional US Core Equity Market ETF	0.91%	0.95%	1.10%	1.29%	1.40%	1.00%	0.13%

Frequently Asked Questions

Can I hold both DFAS and DFAU in my portfolio?

DFAS and DFAU have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DFAS or DFAU?

DFAU has higher volatility (3.40%) compared to DFAS (3.36%). In terms of maximum drawdown, DFAS dropped -26.13% vs DFAU's -23.61%.

Which ETF is better, DFAS or DFAU?

On 5-year performance, DFAU leads with 12.36% vs 8.65% for DFAS. On fees, DFAU is cheaper at 0.12% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DFAS or DFAU?

Over the 5-year period, DFAU has performed better with a 12.36% return vs 8.65%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DFAS or DFAU?

DFAU is cheaper with a 0.12% expense ratio, compared with 0.26% for DFAS.

Which ETF pays a higher dividend yield, DFAS or DFAU?

DFAS has the higher dividend yield at 0.98%, compared with 0.91% for DFAU.

What is the main difference between DFAS and DFAU?

DFAS is categorized as Small Cap Blend Equities, while DFAU is Large Cap Blend Equities. Their fees differ too: 0.26% for DFAS and 0.12% for DFAU.

Which has better risk-adjusted returns?

DFAS currently has the higher Sharpe Ratio (1.62 vs 1.61), 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.