LIVKX vs. PTDIX

Last updated Jun 4, 2026

LIVKX (BlackRock LifePath Index 2055 Class K) and PTDIX (Principal LifeTime 2040 Fund) are both Target Retirement Date funds. Over the past 10 years, LIVKX returned 12.09%/yr vs 10.55%/yr for PTDIX. With a 0.97 correlation, they move nearly in lockstep. LIVKX charges 0.09%/yr vs 0.01%/yr for PTDIX.

Performance

LIVKX vs. PTDIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in BlackRock LifePath Index 2055 Class K (LIVKX) and Principal LifeTime 2040 Fund (PTDIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, LIVKX achieves a 13.13% return, which is significantly higher than PTDIX's 7.80% return. Over the past 10 years, LIVKX has outperformed PTDIX with an annualized return of 12.09%, while PTDIX has yielded a comparatively lower 10.55% annualized return.

LIVKX

• 1D: 0.47%
• 1M: 5.62%
• YTD: 13.13%
• 6M: 14.00%
• 1Y: 30.03%
• 3Y*: 19.98%
• 5Y*: 10.56%
• 10Y*: 12.09%

PTDIX

• 1D: 0.34%
• 1M: 3.88%
• YTD: 7.80%
• 6M: 8.09%
• 1Y: 19.26%
• 3Y*: 17.13%
• 5Y*: 8.31%
• 10Y*: 10.55%

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

LIVKX vs. PTDIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
LIVKX BlackRock LifePath Index 2055 Class K	13.13%	21.57%	13.65%	21.61%	-18.33%	18.87%	14.98%	26.90%	-7.84%	21.51%
PTDIX Principal LifeTime 2040 Fund	7.80%	15.59%	17.43%	18.33%	-18.13%	15.35%	16.04%	24.91%	-7.95%	20.69%

Correlation

The correlation between LIVKX and PTDIX is 0.97 - 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	0.97
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 Jun 2, 2011	0.97

The correlation between LIVKX and PTDIX has been stable across timeframes, ranging from 0.96 to 0.97 - a consistent structural relationship.

Return for Risk

LIVKX vs. PTDIX — Risk / Return Rank

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

LIVKX

LIVKX Risk / Return Rank: 68
LIVKX Sharpe Ratio Rank: 68
LIVKX Sortino Ratio Rank: 64
LIVKX Omega Ratio Rank: 62
LIVKX Calmar Ratio Rank: 70
LIVKX Martin Ratio Rank: 76

PTDIX

PTDIX Risk / Return Rank: 50
PTDIX Sharpe Ratio Rank: 46
PTDIX Sortino Ratio Rank: 46
PTDIX Omega Ratio Rank: 47
PTDIX Calmar Ratio Rank: 49
PTDIX 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.

LIVKX vs. PTDIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for BlackRock LifePath Index 2055 Class K (LIVKX) and Principal LifeTime 2040 Fund (PTDIX). 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.

	LIVKX	PTDIX	Difference
Sharpe ratio: Return per unit of total volatility	2.43	2.00	+0.43
Sortino ratio: Return per unit of downside risk	3.36	2.84	+0.52
Omega ratio: Gain probability vs. loss probability	1.44	1.37	+0.07
Calmar ratio: Return relative to maximum drawdown	3.23	2.68	+0.55
Martin ratio: Return relative to average drawdown	14.31	11.94	+2.37
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

LIVKX vs. PTDIX - Sharpe Ratio Comparison

The current LIVKX Sharpe Ratio is 2.43, which is comparable to the PTDIX Sharpe Ratio of 2.00. The chart below compares the historical Sharpe Ratios of LIVKX and PTDIX, 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

	LIVKX	PTDIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.43	2.00	+0.43
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.67	0.62	+0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.73	0.77	-0.04
Sharpe Ratio (All Time) Calculated using the full available price history	0.65	0.48	+0.17

Drawdowns

LIVKX vs. PTDIX - Drawdown Comparison

The maximum LIVKX drawdown since its inception was -34.39%, smaller than the maximum PTDIX drawdown of -54.38%. Use the drawdown chart below to compare losses from any high point for LIVKX and PTDIX.

Drawdown Indicators

	LIVKX	PTDIX	Difference
Max Drawdown Largest peak-to-trough decline	-34.39%	-54.38%	+19.99%
Max Drawdown (1Y) Largest decline over 1 year	-9.44%	-7.32%	-2.12%
Max Drawdown (3Y) Largest decline over 3 years	-17.46%	-13.05%	-4.41%
Max Drawdown (5Y) Largest decline over 5 years	-26.44%	-25.43%	-1.01%
Max Drawdown (10Y) Largest decline over 10 years	-34.39%	-30.02%	-4.37%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-4.51%	-7.49%	+2.98%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.13%	1.64%	+0.49%

Volatility

LIVKX vs. PTDIX - Volatility Comparison

BlackRock LifePath Index 2055 Class K (LIVKX) has a higher volatility of 3.86% compared to Principal LifeTime 2040 Fund (PTDIX) at 2.89%. This indicates that LIVKX's price experiences larger fluctuations and is considered to be riskier than PTDIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	LIVKX	PTDIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.86%	2.89%	+0.97%
Volatility (6M) Calculated over the trailing 6-month period	10.06%	7.85%	+2.21%
Volatility (1Y) Calculated over the trailing 1-year period	12.56%	9.81%	+2.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.85%	13.49%	+2.36%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.72%	13.83%	+2.89%

LIVKX vs. PTDIX - Expense Ratio Comparison

LIVKX has a 0.09% expense ratio, which is higher than PTDIX'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

LIVKX vs. PTDIX - Dividend Comparison

LIVKX's dividend yield for the trailing twelve months is around 2.24%, less than PTDIX's 9.09% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
LIVKX BlackRock LifePath Index 2055 Class K	2.24%	2.53%	0.01%	2.08%	2.02%	2.08%	1.61%	3.00%	2.40%	2.31%	1.57%	2.93%
PTDIX Principal LifeTime 2040 Fund	9.09%	9.80%	12.28%	4.40%	8.61%	8.92%	6.01%	7.26%	9.28%	6.07%	4.86%	6.73%

Frequently Asked Questions

Can I hold both LIVKX and PTDIX in my portfolio?

With a correlation of 0.97, LIVKX and PTDIX 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, LIVKX or PTDIX?

LIVKX has higher volatility (3.86%) compared to PTDIX (2.89%). In terms of maximum drawdown, LIVKX dropped -34.39% vs PTDIX's -54.38%.

Which has better risk-adjusted returns?

LIVKX currently has the higher Sharpe Ratio (2.43 vs 2.00), 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.