DRIQX vs. LTFIX

Last updated Jun 25, 2026

DRIQX (Dimensional 2015 Target Date Retirement Income Fund) and LTFIX (Principal LifeTime 2055 Fund) are both Target Retirement Date funds. Over the past 10 years, DRIQX returned 4.77%/yr vs 11.73%/yr for LTFIX. A 0.60 correlation means they provide meaningful diversification when combined. DRIQX charges 0.17%/yr vs 0.01%/yr for LTFIX.

Performance

DRIQX vs. LTFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Dimensional 2015 Target Date Retirement Income Fund (DRIQX) and Principal LifeTime 2055 Fund (LTFIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DRIQX achieves a 2.95% return, which is significantly lower than LTFIX's 6.75% return. Over the past 10 years, DRIQX has underperformed LTFIX with an annualized return of 4.77%, while LTFIX has yielded a comparatively higher 11.73% annualized return.

DRIQX

• 1D: -0.43%
• 1M: -0.26%
• YTD: 2.95%
• 6M: 2.59%
• 1Y: 7.01%
• 3Y*: 6.86%
• 5Y*: 2.50%
• 10Y*: 4.77%

LTFIX

• 1D: -1.74%
• 1M: -0.32%
• YTD: 6.75%
• 6M: 5.96%
• 1Y: 17.19%
• 3Y*: 17.44%
• 5Y*: 8.56%
• 10Y*: 11.73%

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

DRIQX vs. LTFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DRIQX Dimensional 2015 Target Date Retirement Income Fund	2.95%	8.83%	5.47%	8.17%	-14.79%	7.79%	14.31%	14.08%	-4.20%	7.82%
LTFIX Principal LifeTime 2055 Fund	6.75%	17.80%	17.28%	20.33%	-18.84%	17.73%	16.47%	27.27%	-9.03%	22.52%

Correlation

The correlation between DRIQX and LTFIX is 0.78, 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	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.71
Correlation (5Y) Calculated over the trailing 5-year period	0.65
Correlation (10Y) Calculated over the trailing 10-year period	0.60
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016	0.60

The correlation between DRIQX and LTFIX shifts across timeframes, from 0.60 (all time) to 0.78 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

DRIQX vs. LTFIX — Risk / Return Rank

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

DRIQX

DRIQX Risk / Return Rank: 46
DRIQX Sharpe Ratio Rank: 44
DRIQX Sortino Ratio Rank: 45
DRIQX Omega Ratio Rank: 47
DRIQX Calmar Ratio Rank: 42
DRIQX Martin Ratio Rank: 51

LTFIX

LTFIX Risk / Return Rank: 37
LTFIX Sharpe Ratio Rank: 33
LTFIX Sortino Ratio Rank: 31
LTFIX Omega Ratio Rank: 33
LTFIX Calmar Ratio Rank: 37
LTFIX Martin Ratio Rank: 50

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.

DRIQX vs. LTFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Dimensional 2015 Target Date Retirement Income Fund (DRIQX) and Principal LifeTime 2055 Fund (LTFIX). 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.

	DRIQX	LTFIX	Difference
Sharpe ratio: Return per unit of total volatility	1.66	1.49	+0.17
Sortino ratio: Return per unit of downside risk	2.38	2.11	+0.28
Omega ratio: Gain probability vs. loss probability	1.31	1.27	+0.04
Calmar ratio: Return relative to maximum drawdown	2.19	2.17	+0.02
Martin ratio: Return relative to average drawdown	9.16	9.48	-0.32

DRIQX vs. LTFIX - Sharpe Ratio Comparison

The current DRIQX Sharpe Ratio is 1.66, which is comparable to the LTFIX Sharpe Ratio of 1.49. The chart below compares the historical Sharpe Ratios of DRIQX and LTFIX, 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

DRIQX vs. LTFIX - Drawdown Comparison

The maximum DRIQX drawdown since its inception was -19.86%, smaller than the maximum LTFIX drawdown of -52.73%. Use the drawdown chart below to compare losses from any high point for DRIQX and LTFIX.

Drawdown Indicators

	DRIQX	LTFIX	Difference
Max Drawdown Largest peak-to-trough decline	-19.86%	-52.73%	+32.87%
Max Drawdown (1Y) Largest decline over 1 year	-3.47%	-8.71%	+5.24%
Max Drawdown (3Y) Largest decline over 3 years	-6.08%	-15.70%	+9.62%
Max Drawdown (5Y) Largest decline over 5 years	-19.86%	-26.80%	+6.94%
Max Drawdown (10Y) Largest decline over 10 years	-19.86%	-33.50%	+13.64%
Current Drawdown Current decline from peak	-1.36%	-2.66%	+1.30%
Average Drawdown Average peak-to-trough decline	-3.87%	-7.62%	+3.75%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.82%	1.98%	-1.16%

Volatility

DRIQX vs. LTFIX - Volatility Comparison

The current volatility for Dimensional 2015 Target Date Retirement Income Fund (DRIQX) is 1.91%, while Principal LifeTime 2055 Fund (LTFIX) has a volatility of 5.17%. This indicates that DRIQX experiences smaller price fluctuations and is considered to be less risky than LTFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DRIQX	LTFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.91%	5.17%	-3.26%
Volatility (6M) Calculated over the trailing 6-month period	3.56%	10.48%	-6.92%
Volatility (1Y) Calculated over the trailing 1-year period	4.56%	12.66%	-8.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.07%	15.59%	-8.52%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.60%	15.82%	-9.22%

DRIQX vs. LTFIX - Expense Ratio Comparison

DRIQX has a 0.17% expense ratio, which is higher than LTFIX'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

DRIQX vs. LTFIX - Dividend Comparison

DRIQX's dividend yield for the trailing twelve months is around 4.83%, less than LTFIX's 8.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DRIQX Dimensional 2015 Target Date Retirement Income Fund	4.83%	4.95%	4.53%	4.28%	6.51%	4.54%	3.76%	2.05%	2.23%	1.66%	1.37%	0.00%
LTFIX Principal LifeTime 2055 Fund	8.18%	8.73%	8.47%	4.17%	8.60%	5.83%	3.91%	6.03%	6.60%	3.51%	3.99%	4.51%

Frequently Asked Questions

Can I hold both DRIQX and LTFIX in my portfolio?

DRIQX and LTFIX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DRIQX or LTFIX?

LTFIX has higher volatility (5.17%) compared to DRIQX (1.91%). In terms of maximum drawdown, DRIQX dropped -19.86% vs LTFIX's -52.73%.

Which has better risk-adjusted returns?

DRIQX currently has the higher Sharpe Ratio (1.66 vs 1.49), 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.