DRIKX vs. DFEOX

Last updated Jun 4, 2026

DRIKX (Dimensional 2055 Target Date Retirement Income Fund) and DFEOX (DFA US Core Equity 1 Portfolio I) are both mutual funds - DRIKX is a Target Retirement Date fund managed by Dimensional, while DFEOX is a Large Cap Blend Equities fund managed by Dimensional. Over the past 10 years, DRIKX returned 12.60%/yr vs 14.53%/yr for DFEOX. With a 0.96 correlation, they move nearly in lockstep. DRIKX charges 0.22%/yr vs 0.14%/yr for DFEOX.

Performance

DRIKX vs. DFEOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional 2055 Target Date Retirement Income Fund (DRIKX) and DFA US Core Equity 1 Portfolio I (DFEOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with DRIKX having a 12.38% return and DFEOX slightly lower at 12.32%. Over the past 10 years, DRIKX has underperformed DFEOX with an annualized return of 12.60%, while DFEOX has yielded a comparatively higher 14.53% annualized return.

DRIKX

• 1D: 0.35%
• 1M: 5.02%
• YTD: 12.38%
• 6M: 13.14%
• 1Y: 28.14%
• 3Y*: 20.34%
• 5Y*: 11.66%
• 10Y*: 12.60%

DFEOX

• 1D: 0.47%
• 1M: 4.95%
• YTD: 12.32%
• 6M: 12.46%
• 1Y: 28.75%
• 3Y*: 21.37%
• 5Y*: 12.84%
• 10Y*: 14.53%

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

DRIKX vs. DFEOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DRIKX Dimensional 2055 Target Date Retirement Income Fund	12.38%	19.29%	17.19%	21.26%	-15.32%	21.28%	14.20%	25.63%	-9.16%	21.59%
DFEOX DFA US Core Equity 1 Portfolio I	12.32%	16.00%	21.35%	22.97%	-14.99%	27.51%	16.44%	30.20%	-7.81%	20.26%

Correlation

The correlation between DRIKX and DFEOX is 0.89, 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	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (10Y) Calculated over the trailing 10-year period	0.96
Correlation (All Time) Calculated using the full available price history since Jan 5, 2016	0.96

The correlation between DRIKX and DFEOX has been stable across timeframes, ranging from 0.89 to 0.97 - a consistent structural relationship.

Return for Risk

DRIKX vs. DFEOX — Risk / Return Rank

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

DRIKX

DRIKX Risk / Return Rank: 82
DRIKX Sharpe Ratio Rank: 86
DRIKX Sortino Ratio Rank: 83
DRIKX Omega Ratio Rank: 78
DRIKX Calmar Ratio Rank: 80
DRIKX Martin Ratio Rank: 85

DFEOX

DFEOX Risk / Return Rank: 79
DFEOX Sharpe Ratio Rank: 82
DFEOX Sortino Ratio Rank: 78
DFEOX Omega Ratio Rank: 71
DFEOX Calmar Ratio Rank: 80
DFEOX Martin Ratio Rank: 86

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.

DRIKX vs. DFEOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional 2055 Target Date Retirement Income Fund (DRIKX) and DFA US Core Equity 1 Portfolio I (DFEOX). 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.

	DRIKX	DFEOX	Difference
Sharpe ratio: Return per unit of total volatility	2.81	2.64	+0.18
Sortino ratio: Return per unit of downside risk	3.93	3.70	+0.23
Omega ratio: Gain probability vs. loss probability	1.51	1.47	+0.04
Calmar ratio: Return relative to maximum drawdown	3.66	3.64	+0.02
Martin ratio: Return relative to average drawdown	16.03	16.50	-0.46
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DRIKX vs. DFEOX - Sharpe Ratio Comparison

The current DRIKX Sharpe Ratio is 2.81, which is comparable to the DFEOX Sharpe Ratio of 2.64. The chart below compares the historical Sharpe Ratios of DRIKX and DFEOX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	DRIKX	DFEOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.81	2.64	+0.18
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.80	0.77	+0.04
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.81	0.81	0.00
Sharpe Ratio (All Time) Calculated using the full available price history	0.81	0.55	+0.26

Drawdowns

DRIKX vs. DFEOX - Drawdown Comparison

The maximum DRIKX drawdown since its inception was -33.48%, smaller than the maximum DFEOX drawdown of -56.77%. Use the drawdown chart below to compare losses from any high point for DRIKX and DFEOX.

Drawdown Indicators

	DRIKX	DFEOX	Difference
Max Drawdown Largest peak-to-trough decline	-33.48%	-56.77%	+23.29%
Max Drawdown (1Y) Largest decline over 1 year	-8.59%	-8.28%	-0.31%
Max Drawdown (3Y) Largest decline over 3 years	-16.02%	-19.24%	+3.22%
Max Drawdown (5Y) Largest decline over 5 years	-23.49%	-22.86%	-0.63%
Max Drawdown (10Y) Largest decline over 10 years	-33.48%	-36.55%	+3.07%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-4.24%	-7.19%	+2.95%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.89%	1.82%	+0.07%

Volatility

DRIKX vs. DFEOX - Volatility Comparison

Dimensional 2055 Target Date Retirement Income Fund (DRIKX) has a higher volatility of 3.11% compared to DFA US Core Equity 1 Portfolio I (DFEOX) at 2.88%. This indicates that DRIKX's price experiences larger fluctuations and is considered to be riskier than DFEOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DRIKX	DFEOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.11%	2.88%	+0.23%
Volatility (6M) Calculated over the trailing 6-month period	8.69%	8.77%	-0.08%
Volatility (1Y) Calculated over the trailing 1-year period	11.20%	11.44%	-0.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.83%	16.88%	-2.05%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.75%	18.01%	-2.26%

DRIKX vs. DFEOX - Expense Ratio Comparison

DRIKX has a 0.22% expense ratio, which is higher than DFEOX's 0.14% 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

DRIKX vs. DFEOX - Dividend Comparison

DRIKX's dividend yield for the trailing twelve months is around 1.31%, more than DFEOX's 0.95% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DFEOX DFA US Core Equity 1 Portfolio I	0.95%	1.06%	1.13%	1.43%	4.08%	3.69%	1.36%	3.02%	2.37%	1.61%	1.61%	2.98%
DRIKX Dimensional 2055 Target Date Retirement Income Fund	1.31%	1.24%	2.44%	3.19%	3.92%	2.37%	2.41%	2.12%	2.27%	1.18%	1.39%	0.00%

Frequently Asked Questions

Can I hold both DRIKX and DFEOX in my portfolio?

DRIKX and DFEOX have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DRIKX or DFEOX?

DRIKX has higher volatility (3.11%) compared to DFEOX (2.88%). In terms of maximum drawdown, DRIKX dropped -33.48% vs DFEOX's -56.77%.

Which has better risk-adjusted returns?

DRIKX currently has the higher Sharpe Ratio (2.81 vs 2.64), 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.