PLTNX vs. PIDIX

Last updated Jun 5, 2026

PLTNX (Principal LifeTime Hybrid 2055 Fund) and PIDIX (Principal International Equity Index Fund) are both mutual funds - PLTNX is a Target Retirement Date fund managed by Principal, while PIDIX is a Foreign Large Cap Equities fund managed by Principal. Over the past 10 years, PLTNX returned 11.89%/yr vs 9.09%/yr for PIDIX. Their correlation of 0.87 suggests significant overlap in exposure. PLTNX charges 0.05%/yr vs 0.32%/yr for PIDIX.

Performance

PLTNX vs. PIDIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Principal LifeTime Hybrid 2055 Fund (PLTNX) and Principal International Equity Index Fund (PIDIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PLTNX achieves a 10.76% return, which is significantly higher than PIDIX's 8.56% return. Over the past 10 years, PLTNX has outperformed PIDIX with an annualized return of 11.89%, while PIDIX has yielded a comparatively lower 9.09% annualized return.

PLTNX

• 1D: -0.81%
• 1M: 3.64%
• YTD: 10.76%
• 6M: 11.38%
• 1Y: 26.91%
• 3Y*: 19.65%
• 5Y*: 10.21%
• 10Y*: 11.89%

PIDIX

• 1D: -0.85%
• 1M: 2.03%
• YTD: 8.56%
• 6M: 10.70%
• 1Y: 20.35%
• 3Y*: 16.90%
• 5Y*: 8.40%
• 10Y*: 9.09%

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

PLTNX vs. PIDIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PLTNX Principal LifeTime Hybrid 2055 Fund	10.76%	19.89%	17.25%	20.33%	-18.49%	19.70%	15.78%	26.17%	-9.84%	21.03%
PIDIX Principal International Equity Index Fund	8.56%	31.07%	4.72%	17.87%	-14.43%	11.07%	7.78%	21.42%	-13.57%	24.87%

Correlation

The correlation between PLTNX and PIDIX is 0.88, 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	0.88
Correlation (3Y) Calculated over the trailing 3-year period	0.84
Correlation (5Y) Calculated over the trailing 5-year period	0.86
Correlation (10Y) Calculated over the trailing 10-year period	0.87
Correlation (All Time) Calculated using the full available price history since Oct 2, 2014	0.87

The correlation between PLTNX and PIDIX has been stable across timeframes, ranging from 0.84 to 0.88 - a consistent structural relationship.

Return for Risk

PLTNX vs. PIDIX — Risk / Return Rank

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

PLTNX

PLTNX Risk / Return Rank: 64
PLTNX Sharpe Ratio Rank: 59
PLTNX Sortino Ratio Rank: 57
PLTNX Omega Ratio Rank: 57
PLTNX Calmar Ratio Rank: 68
PLTNX Martin Ratio Rank: 78

PIDIX

PIDIX Risk / Return Rank: 26
PIDIX Sharpe Ratio Rank: 25
PIDIX Sortino Ratio Rank: 24
PIDIX Omega Ratio Rank: 25
PIDIX Calmar Ratio Rank: 27
PIDIX Martin Ratio Rank: 31

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.

PLTNX vs. PIDIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Principal LifeTime Hybrid 2055 Fund (PLTNX) and Principal International Equity Index Fund (PIDIX). 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.

	PLTNX	PIDIX	Difference
Sharpe ratio: Return per unit of total volatility	2.26	1.39	+0.87
Sortino ratio: Return per unit of downside risk	3.16	2.00	+1.15
Omega ratio: Gain probability vs. loss probability	1.42	1.25	+0.16
Calmar ratio: Return relative to maximum drawdown	3.14	1.86	+1.28
Martin ratio: Return relative to average drawdown	14.41	6.94	+7.48
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PLTNX vs. PIDIX - Sharpe Ratio Comparison

The current PLTNX Sharpe Ratio is 2.26, which is higher than the PIDIX Sharpe Ratio of 1.39. The chart below compares the historical Sharpe Ratios of PLTNX and PIDIX, 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

	PLTNX	PIDIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.26	1.39	+0.87
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.66	0.52	+0.14
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.75	0.56	+0.19
Sharpe Ratio (All Time) Calculated using the full available price history	0.69	0.39	+0.30

Drawdowns

PLTNX vs. PIDIX - Drawdown Comparison

The maximum PLTNX drawdown since its inception was -32.71%, roughly equal to the maximum PIDIX drawdown of -34.13%. Use the drawdown chart below to compare losses from any high point for PLTNX and PIDIX.

Drawdown Indicators

	PLTNX	PIDIX	Difference
Max Drawdown Largest peak-to-trough decline	-32.71%	-34.13%	+1.42%
Max Drawdown (1Y) Largest decline over 1 year	-8.66%	-11.31%	+2.65%
Max Drawdown (3Y) Largest decline over 3 years	-16.66%	-13.59%	-3.07%
Max Drawdown (5Y) Largest decline over 5 years	-25.48%	-29.50%	+4.02%
Max Drawdown (10Y) Largest decline over 10 years	-32.71%	-34.13%	+1.42%
Current Drawdown Current decline from peak	-0.81%	-1.31%	+0.50%
Average Drawdown Average peak-to-trough decline	-4.77%	-7.49%	+2.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.88%	3.02%	-1.14%

Volatility

PLTNX vs. PIDIX - Volatility Comparison

The current volatility for Principal LifeTime Hybrid 2055 Fund (PLTNX) is 3.53%, while Principal International Equity Index Fund (PIDIX) has a volatility of 4.63%. This indicates that PLTNX experiences smaller price fluctuations and is considered to be less risky than PIDIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PLTNX	PIDIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.53%	4.63%	-1.10%
Volatility (6M) Calculated over the trailing 6-month period	9.53%	12.31%	-2.78%
Volatility (1Y) Calculated over the trailing 1-year period	12.00%	15.12%	-3.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.49%	16.18%	-0.69%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.84%	16.33%	-0.49%

PLTNX vs. PIDIX - Expense Ratio Comparison

PLTNX has a 0.05% expense ratio, which is lower than PIDIX's 0.32% expense ratio.

Dividends

PLTNX vs. PIDIX - Dividend Comparison

PLTNX's dividend yield for the trailing twelve months is around 4.14%, more than PIDIX's 3.16% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PIDIX Principal International Equity Index Fund	3.16%	3.43%	5.85%	3.81%	2.82%	5.14%	2.34%	3.36%	3.91%	3.48%	2.82%	3.67%
PLTNX Principal LifeTime Hybrid 2055 Fund	4.14%	4.59%	4.40%	2.84%	9.11%	4.23%	3.11%	3.47%	4.68%	2.21%	1.99%	1.63%

Frequently Asked Questions

Can I hold both PLTNX and PIDIX in my portfolio?

PLTNX and PIDIX have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PLTNX or PIDIX?

PIDIX has higher volatility (4.63%) compared to PLTNX (3.53%). In terms of maximum drawdown, PLTNX dropped -32.71% vs PIDIX's -34.13%.

Which has better risk-adjusted returns?

PLTNX currently has the higher Sharpe Ratio (2.26 vs 1.39), 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.