DTDRX vs. DFEOX

Last updated Jun 25, 2026

DTDRX (Dimensional 2065 Target Date Retirement Income Fund) and DFEOX (DFA US Core Equity 1 Portfolio I) are both mutual funds - DTDRX is a Target Retirement Date fund managed by Dimensional, while DFEOX is a Large Cap Blend Equities fund managed by Dimensional. Over the past 5 years, DTDRX returned 10.96%/yr vs 12.22%/yr for DFEOX. With a 0.95 correlation, they move nearly in lockstep. DTDRX charges 0.22%/yr vs 0.14%/yr for DFEOX.

Performance

DTDRX vs. DFEOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional 2065 Target Date Retirement Income Fund (DTDRX) and DFA US Core Equity 1 Portfolio I (DFEOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DTDRX achieves a 9.68% return, which is significantly lower than DFEOX's 10.23% return.

DTDRX

• 1D: -1.65%
• 1M: -0.52%
• YTD: 9.68%
• 6M: 8.62%
• 1Y: 22.62%
• 3Y*: 18.95%
• 5Y*: 10.96%
• 10Y*: —

DFEOX

• 1D: -1.11%
• 1M: -0.16%
• YTD: 10.23%
• 6M: 8.74%
• 1Y: 23.78%
• 3Y*: 20.08%
• 5Y*: 12.22%
• 10Y*: 14.69%

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

DTDRX vs. DFEOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
DTDRX Dimensional 2065 Target Date Retirement Income Fund	9.68%	19.28%	17.13%	21.29%	-15.25%	20.99%	13.15%	0.00%
DFEOX DFA US Core Equity 1 Portfolio I	10.23%	16.00%	21.35%	22.97%	-14.99%	27.51%	16.44%	0.27%

Correlation

The correlation between DTDRX and DFEOX is 0.91, 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	0.91
Correlation (3Y) Calculated over the trailing 3-year period	0.92
Correlation (5Y) Calculated over the trailing 5-year period	0.95
Correlation (All Time) Calculated using the full available price history since Dec 31, 2019	0.95

The correlation between DTDRX and DFEOX has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.

Return for Risk

DTDRX vs. DFEOX — Risk / Return Rank

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

DTDRX

DTDRX Risk / Return Rank: 73
DTDRX Sharpe Ratio Rank: 73
DTDRX Sortino Ratio Rank: 70
DTDRX Omega Ratio Rank: 68
DTDRX Calmar Ratio Rank: 73
DTDRX Martin Ratio Rank: 79

DFEOX

DFEOX Risk / Return Rank: 66
DFEOX Sharpe Ratio Rank: 63
DFEOX Sortino Ratio Rank: 61
DFEOX Omega Ratio Rank: 57
DFEOX Calmar Ratio Rank: 70
DFEOX Martin Ratio Rank: 79

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.

DTDRX vs. DFEOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional 2065 Target Date Retirement Income Fund (DTDRX) 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.

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.

	DTDRX	DFEOX	Difference
Sharpe ratio: Return per unit of total volatility	2.21	2.13	+0.08
Sortino ratio: Return per unit of downside risk	3.06	2.98	+0.08
Omega ratio: Gain probability vs. loss probability	1.40	1.38	+0.02
Calmar ratio: Return relative to maximum drawdown	3.06	3.07	-0.01
Martin ratio: Return relative to average drawdown	13.13	13.64	-0.50

DTDRX vs. DFEOX - Sharpe Ratio Comparison

The current DTDRX Sharpe Ratio is 2.21, which is comparable to the DFEOX Sharpe Ratio of 2.13. The chart below compares the historical Sharpe Ratios of DTDRX 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.

Drawdowns

DTDRX vs. DFEOX - Drawdown Comparison

The maximum DTDRX drawdown since its inception was -33.33%, smaller than the maximum DFEOX drawdown of -56.77%. Use the drawdown chart below to compare losses from any high point for DTDRX and DFEOX.

Drawdown Indicators

	DTDRX	DFEOX	Difference
Max Drawdown Largest peak-to-trough decline	-33.33%	-56.77%	+23.44%
Max Drawdown (1Y) Largest decline over 1 year	-8.57%	-8.28%	-0.29%
Max Drawdown (3Y) Largest decline over 3 years	-15.95%	-19.24%	+3.29%
Max Drawdown (5Y) Largest decline over 5 years	-23.47%	-22.86%	-0.61%
Max Drawdown (10Y) Largest decline over 10 years	—	-36.55%	—
Current Drawdown Current decline from peak	-2.41%	-1.89%	-0.52%
Average Drawdown Average peak-to-trough decline	-5.06%	-7.17%	+2.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.93%	1.85%	+0.08%

Volatility

DTDRX vs. DFEOX - Volatility Comparison

Dimensional 2065 Target Date Retirement Income Fund (DTDRX) has a higher volatility of 4.81% compared to DFA US Core Equity 1 Portfolio I (DFEOX) at 4.33%. This indicates that DTDRX'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

	DTDRX	DFEOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.81%	4.33%	+0.48%
Volatility (6M) Calculated over the trailing 6-month period	9.66%	9.47%	+0.19%
Volatility (1Y) Calculated over the trailing 1-year period	11.86%	11.95%	-0.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.98%	16.95%	-1.97%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.17%	18.00%	+1.17%

DTDRX vs. DFEOX - Expense Ratio Comparison

DTDRX 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

DTDRX vs. DFEOX - Dividend Comparison

DTDRX's dividend yield for the trailing twelve months is around 1.40%, more than DFEOX's 0.97% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DFEOX DFA US Core Equity 1 Portfolio I	0.97%	1.06%	1.13%	1.43%	4.08%	3.69%	1.36%	3.02%	2.37%	1.61%	1.61%	2.98%
DTDRX Dimensional 2065 Target Date Retirement Income Fund	1.40%	1.31%	2.07%	1.94%	2.01%	1.53%	2.55%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both DTDRX and DFEOX in my portfolio?

With a correlation of 0.91, DTDRX and DFEOX 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, DTDRX or DFEOX?

DTDRX has higher volatility (4.81%) compared to DFEOX (4.33%). In terms of maximum drawdown, DTDRX dropped -33.33% vs DFEOX's -56.77%.

Which has better risk-adjusted returns?

DTDRX currently has the higher Sharpe Ratio (2.21 vs 2.13), 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.