LTRIX vs. LIRKX

Last updated Jun 4, 2026

LTRIX (Principal LifeTime 2045 Fund) and LIRKX (BlackRock LifePath Index Retirement Fund) are both Target Retirement Date funds. Over the past 10 years, LTRIX returned 11.01%/yr vs 6.01%/yr for LIRKX. Their correlation of 0.89 suggests significant overlap in exposure. LTRIX charges 0.01%/yr vs 0.09%/yr for LIRKX.

Performance

LTRIX vs. LIRKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal LifeTime 2045 Fund (LTRIX) and BlackRock LifePath Index Retirement Fund (LIRKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LTRIX achieves a 8.73% return, which is significantly higher than LIRKX's 5.84% return. Over the past 10 years, LTRIX has outperformed LIRKX with an annualized return of 11.01%, while LIRKX has yielded a comparatively lower 6.01% annualized return.

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%

LIRKX

• 1D: 0.19%
• 1M: 2.20%
• YTD: 5.84%
• 6M: 6.09%
• 1Y: 14.71%
• 3Y*: 10.18%
• 5Y*: 4.26%
• 10Y*: 6.01%

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

LTRIX vs. LIRKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
LIRKX BlackRock LifePath Index Retirement Fund	5.84%	12.48%	6.08%	11.48%	-15.21%	6.75%	11.46%	15.90%	-3.50%	10.75%

Correlation

The correlation between LTRIX and LIRKX 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	0.86
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (10Y) Calculated over the trailing 10-year period	0.88
Correlation (All Time) Calculated using the full available price history since Jun 1, 2011	0.89

The correlation between LTRIX and LIRKX has been stable across timeframes, ranging from 0.86 to 0.89 - a consistent structural relationship.

Return for Risk

LTRIX vs. LIRKX — Risk / Return Rank

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

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

LIRKX

LIRKX Risk / Return Rank: 81
LIRKX Sharpe Ratio Rank: 82
LIRKX Sortino Ratio Rank: 82
LIRKX Omega Ratio Rank: 81
LIRKX Calmar Ratio Rank: 77
LIRKX Martin Ratio Rank: 84

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.

LTRIX vs. LIRKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal LifeTime 2045 Fund (LTRIX) and BlackRock LifePath Index Retirement Fund (LIRKX). 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.

	LTRIX	LIRKX	Difference
Sharpe ratio: Return per unit of total volatility	2.01	2.68	-0.67
Sortino ratio: Return per unit of downside risk	2.84	3.90	-1.06
Omega ratio: Gain probability vs. loss probability	1.37	1.53	-0.16
Calmar ratio: Return relative to maximum drawdown	2.68	3.51	-0.84
Martin ratio: Return relative to average drawdown	12.01	15.84	-3.82
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LTRIX vs. LIRKX - Sharpe Ratio Comparison

The current LTRIX Sharpe Ratio is 2.01, which is comparable to the LIRKX Sharpe Ratio of 2.68. The chart below compares the historical Sharpe Ratios of LTRIX and LIRKX, 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

	LTRIX	LIRKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.01	2.68	-0.67
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.60	0.55	+0.06
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.75	0.80	-0.06
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	0.80	-0.32

Drawdowns

LTRIX vs. LIRKX - Drawdown Comparison

The maximum LTRIX drawdown since its inception was -51.39%, which is greater than LIRKX's maximum drawdown of -20.46%. Use the drawdown chart below to compare losses from any high point for LTRIX and LIRKX.

Drawdown Indicators

	LTRIX	LIRKX	Difference
Max Drawdown Largest peak-to-trough decline	-51.39%	-20.46%	-30.93%
Max Drawdown (1Y) Largest decline over 1 year	-8.04%	-4.23%	-3.81%
Max Drawdown (3Y) Largest decline over 3 years	-14.47%	-7.55%	-6.92%
Max Drawdown (5Y) Largest decline over 5 years	-26.25%	-20.46%	-5.79%
Max Drawdown (10Y) Largest decline over 10 years	-31.56%	-20.46%	-11.10%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-7.20%	-2.83%	-4.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.79%	0.94%	+0.85%

Volatility

LTRIX vs. LIRKX - Volatility Comparison

Principal LifeTime 2045 Fund (LTRIX) has a higher volatility of 3.06% compared to BlackRock LifePath Index Retirement Fund (LIRKX) at 1.98%. This indicates that LTRIX's price experiences larger fluctuations and is considered to be riskier than LIRKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LTRIX	LIRKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.06%	1.98%	+1.08%
Volatility (6M) Calculated over the trailing 6-month period	8.62%	4.52%	+4.10%
Volatility (1Y) Calculated over the trailing 1-year period	10.73%	5.54%	+5.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.59%	7.82%	+6.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.82%	7.51%	+7.31%

LTRIX vs. LIRKX - Expense Ratio Comparison

LTRIX has a 0.01% expense ratio, which is lower than LIRKX's 0.09% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

LTRIX vs. LIRKX - Dividend Comparison

LTRIX's dividend yield for the trailing twelve months is around 8.56%, more than LIRKX's 3.67% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LIRKX BlackRock LifePath Index Retirement Fund	3.67%	3.89%	2.06%	2.67%	2.75%	2.74%	1.98%	2.48%	2.50%	2.28%	2.53%	2.98%
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 LTRIX and LIRKX in my portfolio?

LTRIX and LIRKX 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, LTRIX or LIRKX?

LTRIX has higher volatility (3.06%) compared to LIRKX (1.98%). In terms of maximum drawdown, LTRIX dropped -51.39% vs LIRKX's -20.46%.

Which has better risk-adjusted returns?

LIRKX currently has the higher Sharpe Ratio (2.68 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.