DREIX vs. PRAFX

Last updated Jun 25, 2026

DREIX (DFA World Core Equity Portfolio) and PRAFX (T. Rowe Price Real Assets Fund) are both Global Equities funds. Over the past 10 years, DREIX returned 12.57%/yr vs 8.59%/yr for PRAFX. Their correlation of 0.82 suggests significant overlap in exposure. DREIX charges 0.27%/yr vs 0.92%/yr for PRAFX.

Performance

DREIX vs. PRAFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in DFA World Core Equity Portfolio (DREIX) and T. Rowe Price Real Assets Fund (PRAFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DREIX achieves a 10.90% return, which is significantly higher than PRAFX's 9.84% return. Over the past 10 years, DREIX has outperformed PRAFX with an annualized return of 12.57%, while PRAFX has yielded a comparatively lower 8.59% annualized return.

DREIX

• 1D: -1.77%
• 1M: -0.29%
• YTD: 10.90%
• 6M: 9.92%
• 1Y: 25.33%
• 3Y*: 19.71%
• 5Y*: 10.63%
• 10Y*: 12.57%

PRAFX

• 1D: -1.42%
• 1M: -3.43%
• YTD: 9.84%
• 6M: 8.67%
• 1Y: 30.38%
• 3Y*: 15.95%
• 5Y*: 7.77%
• 10Y*: 8.59%

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

DREIX vs. PRAFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DREIX DFA World Core Equity Portfolio	10.90%	21.88%	14.91%	20.52%	-14.84%	19.09%	13.43%	25.48%	-12.30%	24.27%
PRAFX T. Rowe Price Real Assets Fund	9.84%	29.51%	0.32%	6.65%	-10.24%	25.74%	7.02%	19.62%	-11.55%	10.48%

Correlation

The correlation between DREIX and PRAFX is 0.65, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.65
Correlation (3Y) Calculated over the trailing 3-year period	0.74
Correlation (5Y) Calculated over the trailing 5-year period	0.81
Correlation (10Y) Calculated over the trailing 10-year period	0.81
Correlation (All Time) Calculated using the full available price history since Aug 3, 2012	0.82

The correlation between DREIX and PRAFX shifts across timeframes, from 0.65 (1 year) to 0.82 (all time), reflecting how their relationship changes across market environments.

Return for Risk

DREIX vs. PRAFX — Risk / Return Rank

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

DREIX

DREIX Risk / Return Rank: 70
DREIX Sharpe Ratio Rank: 71
DREIX Sortino Ratio Rank: 68
DREIX Omega Ratio Rank: 67
DREIX Calmar Ratio Rank: 69
DREIX Martin Ratio Rank: 75

PRAFX

PRAFX Risk / Return Rank: 44
PRAFX Sharpe Ratio Rank: 50
PRAFX Sortino Ratio Rank: 39
PRAFX Omega Ratio Rank: 46
PRAFX Calmar Ratio Rank: 46
PRAFX Martin Ratio Rank: 41

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.

DREIX vs. PRAFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for DFA World Core Equity Portfolio (DREIX) and T. Rowe Price Real Assets Fund (PRAFX). 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.

	DREIX	PRAFX	Difference
Sharpe ratio: Return per unit of total volatility	2.21	1.82	+0.39
Sortino ratio: Return per unit of downside risk	3.06	2.28	+0.78
Omega ratio: Gain probability vs. loss probability	1.40	1.32	+0.08
Calmar ratio: Return relative to maximum drawdown	2.97	2.38	+0.60
Martin ratio: Return relative to average drawdown	12.77	8.04	+4.73

DREIX vs. PRAFX - Sharpe Ratio Comparison

The current DREIX Sharpe Ratio is 2.21, which is comparable to the PRAFX Sharpe Ratio of 1.82. The chart below compares the historical Sharpe Ratios of DREIX and PRAFX, 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

DREIX vs. PRAFX - Drawdown Comparison

The maximum DREIX drawdown since its inception was -36.65%, roughly equal to the maximum PRAFX drawdown of -38.05%. Use the drawdown chart below to compare losses from any high point for DREIX and PRAFX.

Drawdown Indicators

	DREIX	PRAFX	Difference
Max Drawdown Largest peak-to-trough decline	-36.65%	-38.05%	+1.40%
Max Drawdown (1Y) Largest decline over 1 year	-9.15%	-12.91%	+3.76%
Max Drawdown (3Y) Largest decline over 3 years	-16.19%	-16.86%	+0.67%
Max Drawdown (5Y) Largest decline over 5 years	-24.83%	-26.73%	+1.90%
Max Drawdown (10Y) Largest decline over 10 years	-36.65%	-38.05%	+1.40%
Current Drawdown Current decline from peak	-2.30%	-8.18%	+5.88%
Average Drawdown Average peak-to-trough decline	-4.80%	-8.76%	+3.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.12%	3.80%	-1.68%

Volatility

DREIX vs. PRAFX - Volatility Comparison

The current volatility for DFA World Core Equity Portfolio (DREIX) is 5.02%, while T. Rowe Price Real Assets Fund (PRAFX) has a volatility of 5.62%. This indicates that DREIX experiences smaller price fluctuations and is considered to be less risky than PRAFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DREIX	PRAFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.02%	5.62%	-0.60%
Volatility (6M) Calculated over the trailing 6-month period	10.30%	14.00%	-3.70%
Volatility (1Y) Calculated over the trailing 1-year period	12.34%	16.89%	-4.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.39%	17.77%	-2.38%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.41%	18.14%	-1.73%

DREIX vs. PRAFX - Expense Ratio Comparison

DREIX has a 0.27% expense ratio, which is lower than PRAFX's 0.92% expense ratio.

Dividends

DREIX vs. PRAFX - Dividend Comparison

DREIX's dividend yield for the trailing twelve months is around 4.77%, more than PRAFX's 2.68% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DREIX DFA World Core Equity Portfolio	4.77%	5.06%	3.22%	3.23%	3.54%	1.40%	1.47%	2.12%	2.88%	1.42%	1.77%	2.11%
PRAFX T. Rowe Price Real Assets Fund	2.68%	2.94%	1.56%	1.52%	1.38%	1.83%	1.37%	2.64%	2.58%	1.45%	1.96%	1.88%

Frequently Asked Questions

Can I hold both DREIX and PRAFX in my portfolio?

DREIX and PRAFX have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DREIX or PRAFX?

PRAFX has higher volatility (5.62%) compared to DREIX (5.02%). In terms of maximum drawdown, DREIX dropped -36.65% vs PRAFX's -38.05%.

Which has better risk-adjusted returns?

DREIX currently has the higher Sharpe Ratio (2.21 vs 1.82), 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.