DRIIX vs. LTRIX

Last updated Jun 4, 2026

DRIIX (Dimensional 2045 Target Date Retirement Income Fund) and LTRIX (Principal LifeTime 2045 Fund) are both Target Retirement Date funds. Over the past 10 years, DRIIX returned 11.78%/yr vs 11.01%/yr for LTRIX. With a 0.97 correlation, they move nearly in lockstep. DRIIX charges 0.22%/yr vs 0.01%/yr for LTRIX.

Performance

DRIIX vs. LTRIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional 2045 Target Date Retirement Income Fund (DRIIX) and Principal LifeTime 2045 Fund (LTRIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DRIIX achieves a 10.06% return, which is significantly higher than LTRIX's 8.73% return. Over the past 10 years, DRIIX has outperformed LTRIX with an annualized return of 11.78%, while LTRIX has yielded a comparatively lower 11.01% annualized return.

DRIIX

• 1D: 0.30%
• 1M: 4.16%
• YTD: 10.06%
• 6M: 10.67%
• 1Y: 23.61%
• 3Y*: 17.83%
• 5Y*: 10.41%
• 10Y*: 11.78%

LTRIX

• 1D: 0.42%
• 1M: 4.28%
• YTD: 8.73%
• 6M: 9.08%
• 1Y: 21.03%
• 3Y*: 17.85%
• 5Y*: 8.76%
• 10Y*: 11.01%

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

DRIIX vs. LTRIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DRIIX Dimensional 2045 Target Date Retirement Income Fund	10.06%	17.17%	15.44%	19.21%	-14.15%	20.45%	13.36%	25.42%	-9.17%	21.64%
LTRIX Principal LifeTime 2045 Fund	8.73%	16.69%	16.90%	19.40%	-18.51%	16.55%	16.33%	25.81%	-8.34%	21.38%

Correlation

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

The correlation between DRIIX and LTRIX has been stable across timeframes, ranging from 0.95 to 0.97 - a consistent structural relationship.

Return for Risk

DRIIX vs. LTRIX — Risk / Return Rank

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

DRIIX

DRIIX Risk / Return Rank: 79
DRIIX Sharpe Ratio Rank: 83
DRIIX Sortino Ratio Rank: 81
DRIIX Omega Ratio Rank: 76
DRIIX Calmar Ratio Rank: 75
DRIIX Martin Ratio Rank: 82

LTRIX

LTRIX Risk / Return Rank: 50
LTRIX Sharpe Ratio Rank: 46
LTRIX Sortino Ratio Rank: 45
LTRIX Omega Ratio Rank: 47
LTRIX Calmar Ratio Rank: 50
LTRIX Martin Ratio Rank: 60

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.

DRIIX vs. LTRIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional 2045 Target Date Retirement Income Fund (DRIIX) and Principal LifeTime 2045 Fund (LTRIX). 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.

	DRIIX	LTRIX	Difference
Sharpe ratio: Return per unit of total volatility	2.71	2.01	+0.70
Sortino ratio: Return per unit of downside risk	3.87	2.84	+1.02
Omega ratio: Gain probability vs. loss probability	1.50	1.37	+0.13
Calmar ratio: Return relative to maximum drawdown	3.40	2.68	+0.73
Martin ratio: Return relative to average drawdown	15.35	12.01	+3.34
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DRIIX vs. LTRIX - Sharpe Ratio Comparison

The current DRIIX Sharpe Ratio is 2.71, which is higher than the LTRIX Sharpe Ratio of 2.01. The chart below compares the historical Sharpe Ratios of DRIIX and LTRIX, 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

	DRIIX	LTRIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.71	2.01	+0.70
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.82	0.60	+0.21
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.81	0.75	+0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.81	0.48	+0.33

Drawdowns

DRIIX vs. LTRIX - Drawdown Comparison

The maximum DRIIX drawdown since its inception was -32.56%, smaller than the maximum LTRIX drawdown of -51.39%. Use the drawdown chart below to compare losses from any high point for DRIIX and LTRIX.

Drawdown Indicators

	DRIIX	LTRIX	Difference
Max Drawdown Largest peak-to-trough decline	-32.56%	-51.39%	+18.83%
Max Drawdown (1Y) Largest decline over 1 year	-7.13%	-8.04%	+0.91%
Max Drawdown (3Y) Largest decline over 3 years	-13.04%	-14.47%	+1.43%
Max Drawdown (5Y) Largest decline over 5 years	-21.77%	-26.25%	+4.48%
Max Drawdown (10Y) Largest decline over 10 years	-32.56%	-31.56%	-1.00%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-3.99%	-7.20%	+3.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.57%	1.79%	-0.22%

Volatility

DRIIX vs. LTRIX - Volatility Comparison

The current volatility for Dimensional 2045 Target Date Retirement Income Fund (DRIIX) is 2.66%, while Principal LifeTime 2045 Fund (LTRIX) has a volatility of 3.06%. This indicates that DRIIX experiences smaller price fluctuations and is considered to be less risky than LTRIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DRIIX	LTRIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.66%	3.06%	-0.40%
Volatility (6M) Calculated over the trailing 6-month period	7.17%	8.62%	-1.45%
Volatility (1Y) Calculated over the trailing 1-year period	8.97%	10.73%	-1.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	12.86%	14.59%	-1.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.62%	14.82%	-0.20%

DRIIX vs. LTRIX - Expense Ratio Comparison

DRIIX has a 0.22% expense ratio, which is higher than LTRIX's 0.01% 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

DRIIX vs. LTRIX - Dividend Comparison

DRIIX's dividend yield for the trailing twelve months is around 2.67%, less than LTRIX's 8.56% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DRIIX Dimensional 2045 Target Date Retirement Income Fund	2.67%	2.89%	3.25%	3.43%	3.90%	3.23%	2.92%	2.19%	2.29%	1.23%	1.39%	0.00%
LTRIX Principal LifeTime 2045 Fund	8.56%	9.31%	9.40%	4.25%	8.71%	6.75%	4.62%	6.93%	7.50%	4.57%	4.48%	5.42%

Frequently Asked Questions

Can I hold both DRIIX and LTRIX in my portfolio?

With a correlation of 0.95, DRIIX and LTRIX 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, DRIIX or LTRIX?

LTRIX has higher volatility (3.06%) compared to DRIIX (2.66%). In terms of maximum drawdown, DRIIX dropped -32.56% vs LTRIX's -51.39%.

Which has better risk-adjusted returns?

DRIIX currently has the higher Sharpe Ratio (2.71 vs 2.01), 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.