PPLIX vs. TDIFX
Compare and contrast key facts about Principal LifeTime 2050 Fund (PPLIX) and Dimensional Retirement Income Fund (TDIFX).
PPLIX is managed by Principal. It was launched on Feb 28, 2001. TDIFX is managed by Dimensional. It was launched on Nov 1, 2015.
Performance
PPLIX vs. TDIFX - Performance Comparison
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PPLIX vs. TDIFX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PPLIX Principal LifeTime 2050 Fund | -5.09% | 17.55% | 19.12% | 20.36% | -18.78% | 17.04% | 16.56% | 26.67% | -8.74% | 22.12% |
TDIFX Dimensional Retirement Income Fund | -0.37% | 7.22% | 6.21% | 7.76% | -9.37% | 14.53% | 9.33% | 9.96% | -1.98% | 5.17% |
Returns By Period
In the year-to-date period, PPLIX achieves a -5.09% return, which is significantly lower than TDIFX's -0.37% return. Over the past 10 years, PPLIX has outperformed TDIFX with an annualized return of 10.25%, while TDIFX has yielded a comparatively lower 4.75% annualized return.
PPLIX
- 1D
- -0.29%
- 1M
- -8.13%
- YTD
- -5.09%
- 6M
- -2.87%
- 1Y
- 12.44%
- 3Y*
- 14.70%
- 5Y*
- 7.68%
- 10Y*
- 10.25%
TDIFX
- 1D
- 0.21%
- 1M
- -2.32%
- YTD
- -0.37%
- 6M
- 0.46%
- 1Y
- 5.16%
- 3Y*
- 5.69%
- 5Y*
- 4.78%
- 10Y*
- 4.75%
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PPLIX vs. TDIFX - Expense Ratio Comparison
PPLIX has a 0.01% expense ratio, which is lower than TDIFX's 0.06% 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%.
Return for Risk
PPLIX vs. TDIFX — Risk / Return Rank
PPLIX
TDIFX
PPLIX vs. TDIFX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Principal LifeTime 2050 Fund (PPLIX) and Dimensional Retirement Income Fund (TDIFX). 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.
| PPLIX | TDIFX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.81 | 1.40 | -0.59 |
Sortino ratioReturn per unit of downside risk | 1.25 | 1.95 | -0.70 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.29 | -0.11 |
Calmar ratioReturn relative to maximum drawdown | 0.94 | 1.32 | -0.38 |
Martin ratioReturn relative to average drawdown | 4.59 | 5.55 | -0.97 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| PPLIX | TDIFX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.81 | 1.40 | -0.59 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.50 | 0.83 | -0.33 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.66 | 0.95 | -0.29 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.42 | 0.99 | -0.57 |
Correlation
The correlation between PPLIX and TDIFX is 0.72, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
PPLIX vs. TDIFX - Dividend Comparison
PPLIX's dividend yield for the trailing twelve months is around 10.48%, more than TDIFX's 2.08% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PPLIX Principal LifeTime 2050 Fund | 10.48% | 9.95% | 11.56% | 4.41% | 9.40% | 8.04% | 5.23% | 7.16% | 8.64% | 5.12% | 4.82% | 6.07% |
TDIFX Dimensional Retirement Income Fund | 2.08% | 1.77% | 3.11% | 3.09% | 4.66% | 9.39% | 1.39% | 1.98% | 2.11% | 0.98% | 0.89% | 0.00% |
Drawdowns
PPLIX vs. TDIFX - Drawdown Comparison
The maximum PPLIX drawdown since its inception was -55.61%, which is greater than TDIFX's maximum drawdown of -12.21%. Use the drawdown chart below to compare losses from any high point for PPLIX and TDIFX.
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Drawdown Indicators
| PPLIX | TDIFX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.61% | -12.21% | -43.40% |
Max Drawdown (1Y)Largest decline over 1 year | -11.42% | -2.84% | -8.58% |
Max Drawdown (5Y)Largest decline over 5 years | -26.85% | -12.21% | -14.64% |
Max Drawdown (10Y)Largest decline over 10 years | -32.67% | -12.21% | -20.46% |
Current DrawdownCurrent decline from peak | -8.57% | -2.40% | -6.17% |
Average DrawdownAverage peak-to-trough decline | -8.35% | -1.77% | -6.58% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.34% | 0.83% | +1.51% |
Volatility
PPLIX vs. TDIFX - Volatility Comparison
Principal LifeTime 2050 Fund (PPLIX) has a higher volatility of 4.83% compared to Dimensional Retirement Income Fund (TDIFX) at 1.34%. This indicates that PPLIX's price experiences larger fluctuations and is considered to be riskier than TDIFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PPLIX | TDIFX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.83% | 1.34% | +3.49% |
Volatility (6M)Calculated over the trailing 6-month period | 8.67% | 2.25% | +6.42% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.54% | 4.31% | +11.23% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.38% | 5.88% | +9.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.53% | 5.05% | +10.48% |