DFSU vs. IUS

Last updated Jun 23, 2026

DFSU (Dimensional US Sustainability Core 1 ETF) and IUS (Invesco RAFI Strategic US ETF) are both Large Cap Blend Equities funds. DFSU is actively managed, while IUS is passively managed. Over the past 3 years, DFSU returned 19.48%/yr vs 19.92%/yr for IUS. Their correlation of 0.93 suggests significant overlap in exposure. DFSU charges 0.18%/yr vs 0.19%/yr for IUS.

Performance

DFSU vs. IUS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional US Sustainability Core 1 ETF (DFSU) and Invesco RAFI Strategic US ETF (IUS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DFSU achieves a 6.81% return, which is significantly lower than IUS's 14.45% return.

DFSU

• 1D: -0.39%
• 1M: 0.41%
• YTD: 6.81%
• 6M: 5.89%
• 1Y: 23.42%
• 3Y*: 19.48%
• 5Y*: —
• 10Y*: —

IUS

• 1D: -0.44%
• 1M: 0.19%
• YTD: 14.45%
• 6M: 14.22%
• 1Y: 31.41%
• 3Y*: 19.92%
• 5Y*: 13.86%
• 10Y*: —

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

DFSU vs. IUS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
DFSU Dimensional US Sustainability Core 1 ETF	6.81%	15.65%	22.96%	26.27%	0.90%
IUS Invesco RAFI Strategic US ETF	14.45%	16.94%	16.51%	20.79%	0.68%

Correlation

The correlation between DFSU and IUS is 0.90, 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	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (All Time) Calculated using the full available price history since Nov 2, 2022	0.93

The correlation between DFSU and IUS has been stable across timeframes, ranging from 0.90 to 0.93 - a consistent structural relationship.

DFSU vs. IUS - Sectors Allocation Comparison

Sectors	DFSU	IUS
Financial Services	23.0%	6.8%
Technology	18.5%	26.7%
Industrials	14.4%	9.7%
Communication Services	14.0%	13.0%
Healthcare	13.6%	12.6%
Consumer Cyclical	6.9%	10.4%
Consumer Defensive	2.9%	6.9%
Basic Materials	2.3%	3.2%
Energy	2.0%	9.4%
Utilities	1.8%	1.0%
Real Estate	0.3%	0.4%

Return for Risk

DFSU vs. IUS — Risk / Return Rank

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

DFSU

DFSU Risk / Return Rank: 53
DFSU Sharpe Ratio Rank: 54
DFSU Sortino Ratio Rank: 53
DFSU Omega Ratio Rank: 51
DFSU Calmar Ratio Rank: 48
DFSU Martin Ratio Rank: 58

IUS

IUS Risk / Return Rank: 90
IUS Sharpe Ratio Rank: 91
IUS Sortino Ratio Rank: 90
IUS Omega Ratio Rank: 89
IUS Calmar Ratio Rank: 89
IUS Martin Ratio Rank: 92

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.

DFSU vs. IUS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional US Sustainability Core 1 ETF (DFSU) and Invesco RAFI Strategic US ETF (IUS). 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.

	DFSU	IUS	Difference
Sharpe ratio: Return per unit of total volatility	1.76	2.95	-1.19
Sortino ratio: Return per unit of downside risk	2.48	4.02	-1.54
Omega ratio: Gain probability vs. loss probability	1.31	1.53	-0.22
Calmar ratio: Return relative to maximum drawdown	2.32	5.13	-2.81
Martin ratio: Return relative to average drawdown	10.02	21.42	-11.40

DFSU vs. IUS - Sharpe Ratio Comparison

The current DFSU Sharpe Ratio is 1.76, which is lower than the IUS Sharpe Ratio of 2.95. The chart below compares the historical Sharpe Ratios of DFSU and IUS, 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

DFSU vs. IUS - Drawdown Comparison

The maximum DFSU drawdown since its inception was -19.88%, smaller than the maximum IUS drawdown of -34.67%. Use the drawdown chart below to compare losses from any high point for DFSU and IUS.

Drawdown Indicators

	DFSU	IUS	Difference
Max Drawdown Largest peak-to-trough decline	-19.88%	-34.67%	+14.79%
Max Drawdown (1Y) Largest decline over 1 year	-10.12%	-6.15%	-3.97%
Max Drawdown (3Y) Largest decline over 3 years	-19.88%	-15.61%	-4.27%
Max Drawdown (5Y) Largest decline over 5 years	—	-18.72%	—
Current Drawdown Current decline from peak	-1.24%	-1.74%	+0.50%
Average Drawdown Average peak-to-trough decline	-2.64%	-3.85%	+1.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.34%	1.47%	+0.87%

Volatility

DFSU vs. IUS - Volatility Comparison

Dimensional US Sustainability Core 1 ETF (DFSU) has a higher volatility of 4.16% compared to Invesco RAFI Strategic US ETF (IUS) at 3.84%. This indicates that DFSU's price experiences larger fluctuations and is considered to be riskier than IUS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DFSU	IUS	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.16%	3.84%	+0.32%
Volatility (6M) Calculated over the trailing 6-month period	10.21%	8.03%	+2.18%
Volatility (1Y) Calculated over the trailing 1-year period	13.36%	10.71%	+2.65%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.26%	15.03%	+1.23%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.26%	18.03%	-1.77%

DFSU vs. IUS - Expense Ratio Comparison

DFSU has a 0.18% expense ratio, which is lower than IUS's 0.19% 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

DFSU vs. IUS - Dividend Comparison

DFSU's dividend yield for the trailing twelve months is around 0.83%, less than IUS's 1.62% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
DFSU Dimensional US Sustainability Core 1 ETF	0.83%	0.85%	0.96%	1.03%	0.21%	0.00%	0.00%	0.00%	0.00%
IUS Invesco RAFI Strategic US ETF	1.30%	1.48%	1.52%	1.72%	1.78%	1.46%	1.74%	1.77%	0.73%

Frequently Asked Questions

Can I hold both DFSU and IUS in my portfolio?

With a correlation of 0.90, DFSU and IUS move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, DFSU or IUS?

DFSU has higher volatility (4.16%) compared to IUS (3.84%). In terms of maximum drawdown, DFSU dropped -19.88% vs IUS's -34.67%.

Which ETF is better, DFSU or IUS?

On 3-year performance, IUS leads with 19.92% vs 19.48% for DFSU. On fees, DFSU is cheaper at 0.18% per year. On volatility, IUS has been the lower-risk option at 3.84%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DFSU or IUS?

Over the 3-year period, IUS has performed better with a 19.92% return vs 19.48%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DFSU or IUS?

DFSU is cheaper with a 0.18% expense ratio, compared with 0.19% for IUS.

Which ETF pays a higher dividend yield, DFSU or IUS?

IUS has the higher dividend yield at 1.62%, compared with 0.83% for DFSU.

What is the main difference between DFSU and IUS?

They also come from different issuers: Dimensional and Invesco. Their fees differ too: 0.18% for DFSU and 0.19% for IUS.

Which has better risk-adjusted returns?

IUS currently has the higher Sharpe Ratio (2.95 vs 1.76), 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.