DFAS vs. DFAX

Last updated Apr 1, 2026

Compare and contrast key facts about Dimensional U.S. Small Cap ETF (DFAS) and Dimensional World ex US Core Equity 2 ETF (DFAX).

DFAS and DFAX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. DFAS is an actively managed fund by Dimensional. It was launched on Jun 14, 2021. DFAX is a passively managed fund by Dimensional that tracks the performance of the MSCI All Country World ex USA Index. It was launched on Mar 6, 2008.

Performance

DFAS vs. DFAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional U.S. Small Cap ETF (DFAS) and Dimensional World ex US Core Equity 2 ETF (DFAX). The values are adjusted to include any dividend payments, if applicable.

DFAS vs. DFAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
DFAS Dimensional U.S. Small Cap ETF	2.33%	8.17%	10.21%	17.83%	-13.84%	6.37%
DFAX Dimensional World ex US Core Equity 2 ETF	3.97%	35.42%	4.78%	16.66%	-14.48%	-2.68%

Returns By Period

In the year-to-date period, DFAS achieves a 2.33% return, which is significantly lower than DFAX's 3.97% return.

DFAS

• 1D: 2.80%
• 1M: -5.04%
• YTD: 2.33%
• 6M: 4.44%
• 1Y: 20.32%
• 3Y*: 11.67%
• 5Y*: —
• 10Y*: —

DFAX

• 1D: 3.06%
• 1M: -8.01%
• YTD: 3.97%
• 6M: 9.21%
• 1Y: 33.25%
• 3Y*: 17.18%
• 5Y*: —
• 10Y*: —

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

DFAS vs. DFAX - Expense Ratio Comparison

DFAS has a 0.34% expense ratio, which is higher than DFAX's 0.30% expense ratio.

DFAS

Dimensional U.S. Small Cap ETF

DFAX

Dimensional World ex US Core Equity 2 ETF

Return for Risk

DFAS vs. DFAX — Risk / Return Rank

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

DFAS

DFAS Risk / Return Rank: 58
DFAS Sharpe Ratio Rank: 55
DFAS Sortino Ratio Rank: 59
DFAS Omega Ratio Rank: 54
DFAS Calmar Ratio Rank: 61
DFAS Martin Ratio Rank: 62

DFAX

DFAX Risk / Return Rank: 91
DFAX Sharpe Ratio Rank: 91
DFAX Sortino Ratio Rank: 92
DFAX Omega Ratio Rank: 93
DFAX Calmar Ratio Rank: 90
DFAX Martin Ratio Rank: 90

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.

DFAS vs. DFAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional U.S. Small Cap ETF (DFAS) and Dimensional World ex US Core Equity 2 ETF (DFAX). 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.

	DFAS	DFAX	Difference
Sharpe ratio Return per unit of total volatility	0.93	1.98	-1.06
Sortino ratio Return per unit of downside risk	1.45	2.62	-1.17
Omega ratio Gain probability vs. loss probability	1.19	1.41	-0.21
Calmar ratio Return relative to maximum drawdown	1.45	2.84	-1.39
Martin ratio Return relative to average drawdown	5.76	11.22	-5.45
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DFAS vs. DFAX - Sharpe Ratio Comparison

The current DFAS Sharpe Ratio is 0.93, which is lower than the DFAX Sharpe Ratio of 1.98. The chart below compares the historical Sharpe Ratios of DFAS and DFAX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	DFAS	DFAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.93	1.98	-1.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.27	0.52	-0.25

Correlation

The correlation between DFAS and DFAX is 0.73, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

DFAS vs. DFAX - Dividend Comparison

DFAS's dividend yield for the trailing twelve months is around 1.02%, less than DFAX's 2.46% yield.

	TTM	2025	2024	2023	2022	2021
DFAS Dimensional U.S. Small Cap ETF	1.02%	0.99%	0.93%	1.00%	1.03%	2.87%
DFAX Dimensional World ex US Core Equity 2 ETF	2.46%	2.58%	2.98%	3.01%	3.30%	1.40%

Drawdowns

DFAS vs. DFAX - Drawdown Comparison

The maximum DFAS drawdown since its inception was -26.13%, smaller than the maximum DFAX drawdown of -28.15%. Use the drawdown chart below to compare losses from any high point for DFAS and DFAX.

Drawdown Indicators

	DFAS	DFAX	Difference
Max Drawdown Largest peak-to-trough decline	-26.13%	-28.15%	+2.02%
Max Drawdown (1Y) Largest decline over 1 year	-14.08%	-11.31%	-2.77%
Current Drawdown Current decline from peak	-6.67%	-8.28%	+1.61%
Average Drawdown Average peak-to-trough decline	-8.55%	-6.86%	-1.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.54%	2.87%	+0.67%

Volatility

DFAS vs. DFAX - Volatility Comparison

The current volatility for Dimensional U.S. Small Cap ETF (DFAS) is 6.21%, while Dimensional World ex US Core Equity 2 ETF (DFAX) has a volatility of 8.05%. This indicates that DFAS experiences smaller price fluctuations and is considered to be less risky than DFAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DFAS	DFAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.21%	8.05%	-1.84%
Volatility (6M) Calculated over the trailing 6-month period	12.67%	11.27%	+1.40%
Volatility (1Y) Calculated over the trailing 1-year period	21.96%	16.86%	+5.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.03%	15.86%	+5.17%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.03%	15.86%	+5.17%