DFAS vs. DFAU
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 3 years, DFAS returned 15.22%/yr vs 21.70%/yr for DFAU. Their correlation of 0.87 suggests significant overlap in exposure. DFAS charges 0.34%/yr vs 0.12%/yr for DFAU.
Performance
DFAS vs. DFAU - Performance Comparison
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Returns By Period
In the year-to-date period, DFAS achieves a 12.81% return, which is significantly higher than DFAU's 11.32% return.
DFAS
- 1D
- -0.81%
- 1M
- 2.19%
- YTD
- 12.81%
- 6M
- 12.10%
- 1Y
- 27.65%
- 3Y*
- 15.22%
- 5Y*
- —
- 10Y*
- —
DFAU
- 1D
- -0.67%
- 1M
- 4.93%
- YTD
- 11.32%
- 6M
- 11.27%
- 1Y
- 28.49%
- 3Y*
- 21.70%
- 5Y*
- 13.05%
- 10Y*
- —
DFAS vs. DFAU - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
DFAS Dimensional U.S. Small Cap ETF | 12.81% | 8.17% | 10.21% | 17.83% | -13.84% | 4.94% |
DFAU Dimensional US Core Equity Market ETF | 11.32% | 16.78% | 23.17% | 24.79% | -16.99% | 10.73% |
Correlation
The correlation between DFAS and DFAU is 0.82, 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 | 0.82 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.83 |
Correlation (All Time) Calculated using the full available price history since Jun 15, 2021 | 0.87 |
The correlation between DFAS and DFAU has been stable across timeframes, ranging from 0.82 to 0.87 - a consistent structural relationship.
DFAS vs. DFAU - Sectors Allocation Comparison
Sectors
DFAS
DFAU
Financial Services
Industrials
Technology
Consumer Cyclical
Healthcare
Energy
Basic Materials
Consumer Defensive
Utilities
Communication Services
Real Estate
Financial Services
DFAS
DFAU
Industrials
DFAS
DFAU
Technology
DFAS
DFAU
Consumer Cyclical
DFAS
DFAU
Healthcare
DFAS
DFAU
Energy
DFAS
DFAU
Basic Materials
DFAS
DFAU
Consumer Defensive
DFAS
DFAU
Utilities
DFAS
DFAU
Communication Services
DFAS
DFAU
Real Estate
DFAS
DFAU
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Return for Risk
DFAS vs. DFAU — Risk / Return Rank
DFAS
DFAU
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.
| DFAS | DFAU | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.72 | ||
| Sortino ratioReturn per unit of downside risk | -0.79 | ||
| Omega ratioGain probability vs. loss probability | 1.29 | 1.43 | -0.14 |
| Calmar ratioReturn relative to maximum drawdown | 2.97 | 3.30 | -0.33 |
| Martin ratioReturn relative to average drawdown | 10.17 | 15.10 | -4.93 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| DFAS | DFAU | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.66 | 2.38 | -0.72 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.77 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.36 | 0.94 | -0.58 |
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.
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Drawdown Indicators
| DFAS | DFAU | Difference | |
|---|---|---|---|
Max DrawdownLargest 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 | — | -23.61% | — |
Current DrawdownCurrent decline from peak | -0.81% | -0.67% | -0.14% |
Average DrawdownAverage peak-to-trough decline | -8.31% | -4.99% | -3.32% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.73% | 1.89% | +0.84% |
Volatility
DFAS vs. DFAU - Volatility Comparison
Dimensional U.S. Small Cap ETF (DFAS) has a higher volatility of 4.31% compared to Dimensional US Core Equity Market ETF (DFAU) at 2.95%. This indicates that DFAS's price experiences larger fluctuations and is considered to be riskier than DFAU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| DFAS | DFAU | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.31% | 2.95% | +1.36% |
Volatility (6M)Calculated over the trailing 6-month period | 11.58% | 9.04% | +2.54% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.77% | 12.06% | +4.71% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.84% | 17.02% | +3.82% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.84% | 16.73% | +4.11% |
DFAS vs. DFAU - Expense Ratio Comparison
DFAS has a 0.34% expense ratio, which is higher than DFAU's 0.12% expense ratio.
Dividends
DFAS vs. DFAU - Dividend Comparison
DFAS's dividend yield for the trailing twelve months is around 0.92%, more than DFAU's 0.90% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 |
|---|---|---|---|---|---|---|---|
DFAS Dimensional U.S. Small Cap ETF | 0.92% | 0.99% | 0.93% | 1.00% | 1.03% | 2.87% | 0.00% |
DFAU Dimensional US Core Equity Market ETF | 0.90% | 0.95% | 1.10% | 1.29% | 1.40% | 1.00% | 0.13% |
Frequently Asked Questions
DFAS and DFAU have a correlation of 0.82, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
DFAS has higher volatility (4.31%) compared to DFAU (2.95%). In terms of maximum drawdown, DFAS dropped -26.13% vs DFAU's -23.61%.
On 3-year performance, DFAU leads with 21.70% vs 15.22% for DFAS. On fees, DFAU is cheaper at 0.12% per year. On volatility, DFAU has been the lower-risk option at 2.95%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, DFAU has performed better with a 21.70% return vs 15.22%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
DFAU is cheaper with a 0.12% expense ratio, compared with 0.34% for DFAS.
DFAS has the higher dividend yield at 0.92%, compared with 0.90% for DFAU.
DFAS is categorized as Small Cap Blend Equities, while DFAU is Large Cap Blend Equities. Their fees differ too: 0.34% for DFAS and 0.12% for DFAU.
DFAU currently has the higher Sharpe Ratio (2.38 vs 1.66), 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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