LTIUX vs. TBLBX

Last updated Jun 5, 2026

LTIUX (Principal LifeTime 2035 Fund) and TBLBX (T. Rowe Price Retirement Blend 2010 Fund) are both Target Retirement Date funds. Over the past 3 years, LTIUX returned 14.62%/yr vs 11.55%/yr for TBLBX. Their correlation of 0.95 suggests significant overlap in exposure. LTIUX charges 0.01%/yr vs 0.19%/yr for TBLBX.

Performance

LTIUX vs. TBLBX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal LifeTime 2035 Fund (LTIUX) and T. Rowe Price Retirement Blend 2010 Fund (TBLBX). 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 LTIUX having a 6.02% return and TBLBX slightly lower at 5.77%.

LTIUX

• 1D: -0.64%
• 1M: 1.96%
• YTD: 6.02%
• 6M: 6.31%
• 1Y: 16.02%
• 3Y*: 14.62%
• 5Y*: 6.73%
• 10Y*: 9.52%

TBLBX

• 1D: -0.36%
• 1M: 1.73%
• YTD: 5.77%
• 6M: 6.09%
• 1Y: 14.38%
• 3Y*: 11.55%
• 5Y*: —
• 10Y*: —

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

LTIUX vs. TBLBX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
LTIUX Principal LifeTime 2035 Fund	6.02%	14.26%	14.13%	16.51%	-17.48%	2.26%
TBLBX T. Rowe Price Retirement Blend 2010 Fund	5.77%	12.59%	9.03%	12.95%	-13.37%	1.38%

Correlation

The correlation between LTIUX and TBLBX is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (3Y) Calculated over the trailing 3-year period	0.95
Correlation (All Time) Calculated using the full available price history since Aug 4, 2021	0.95

The correlation between LTIUX and TBLBX has been stable across timeframes, ranging from 0.95 to 0.96 - a consistent structural relationship.

Return for Risk

LTIUX vs. TBLBX — Risk / Return Rank

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

LTIUX

LTIUX Risk / Return Rank: 46
LTIUX Sharpe Ratio Rank: 43
LTIUX Sortino Ratio Rank: 43
LTIUX Omega Ratio Rank: 44
LTIUX Calmar Ratio Rank: 43
LTIUX Martin Ratio Rank: 56

TBLBX

TBLBX Risk / Return Rank: 71
TBLBX Sharpe Ratio Rank: 72
TBLBX Sortino Ratio Rank: 73
TBLBX Omega Ratio Rank: 74
TBLBX Calmar Ratio Rank: 64
TBLBX Martin Ratio Rank: 72

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.

LTIUX vs. TBLBX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal LifeTime 2035 Fund (LTIUX) and T. Rowe Price Retirement Blend 2010 Fund (TBLBX). 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.

	LTIUX	TBLBX	Difference
Sharpe ratio: Return per unit of total volatility	1.89	2.43	-0.54
Sortino ratio: Return per unit of downside risk	2.72	3.50	-0.77
Omega ratio: Gain probability vs. loss probability	1.36	1.48	-0.12
Calmar ratio: Return relative to maximum drawdown	2.49	2.99	-0.50
Martin ratio: Return relative to average drawdown	11.08	13.29	-2.20
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LTIUX vs. TBLBX - Sharpe Ratio Comparison

The current LTIUX Sharpe Ratio is 1.89, which is comparable to the TBLBX Sharpe Ratio of 2.43. The chart below compares the historical Sharpe Ratios of LTIUX and TBLBX, 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

	LTIUX	TBLBX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.89	2.43	-0.54
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.57	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.76	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.48	0.66	-0.18

Drawdowns

LTIUX vs. TBLBX - Drawdown Comparison

The maximum LTIUX drawdown since its inception was -49.65%, which is greater than TBLBX's maximum drawdown of -18.87%. Use the drawdown chart below to compare losses from any high point for LTIUX and TBLBX.

Drawdown Indicators

	LTIUX	TBLBX	Difference
Max Drawdown Largest peak-to-trough decline	-49.65%	-18.87%	-30.78%
Max Drawdown (1Y) Largest decline over 1 year	-6.57%	-4.95%	-1.62%
Max Drawdown (3Y) Largest decline over 3 years	-11.08%	-7.29%	-3.79%
Max Drawdown (5Y) Largest decline over 5 years	-24.23%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-28.12%	—	—
Current Drawdown Current decline from peak	-0.64%	-0.36%	-0.28%
Average Drawdown Average peak-to-trough decline	-6.71%	-4.73%	-1.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.47%	1.11%	+0.36%

Volatility

LTIUX vs. TBLBX - Volatility Comparison

Principal LifeTime 2035 Fund (LTIUX) has a higher volatility of 2.69% compared to T. Rowe Price Retirement Blend 2010 Fund (TBLBX) at 2.02%. This indicates that LTIUX's price experiences larger fluctuations and is considered to be riskier than TBLBX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LTIUX	TBLBX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.69%	2.02%	+0.67%
Volatility (6M) Calculated over the trailing 6-month period	6.97%	4.95%	+2.02%
Volatility (1Y) Calculated over the trailing 1-year period	8.64%	6.08%	+2.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.83%	8.14%	+3.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	12.49%	8.14%	+4.35%

LTIUX vs. TBLBX - Expense Ratio Comparison

LTIUX has a 0.01% expense ratio, which is lower than TBLBX's 0.19% 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

LTIUX vs. TBLBX - Dividend Comparison

LTIUX's dividend yield for the trailing twelve months is around 8.52%, more than TBLBX's 3.22% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LTIUX Principal LifeTime 2035 Fund	8.52%	9.03%	9.46%	4.17%	7.50%	7.06%	5.35%	7.28%	7.75%	5.46%	4.28%	5.59%
TBLBX T. Rowe Price Retirement Blend 2010 Fund	3.22%	3.41%	3.18%	2.23%	3.92%	1.86%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both LTIUX and TBLBX in my portfolio?

With a correlation of 0.96, LTIUX and TBLBX 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, LTIUX or TBLBX?

LTIUX has higher volatility (2.69%) compared to TBLBX (2.02%). In terms of maximum drawdown, LTIUX dropped -49.65% vs TBLBX's -18.87%.

Which has better risk-adjusted returns?

TBLBX currently has the higher Sharpe Ratio (2.43 vs 1.89), 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.