PTDIX vs. TRRDX
PTDIX (Principal LifeTime 2040 Fund) and TRRDX (T. Rowe Price Retirement 2040 Fund) are both Target Retirement Date funds. Over the past 10 years, PTDIX returned 10.32%/yr vs 10.32%/yr for TRRDX. Their 0.96 correlation means they have historically moved very closely together. PTDIX charges 0.01%/yr vs 0.60%/yr for TRRDX.
Performance
PTDIX vs. TRRDX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, PTDIX achieves a 7.20% return, which is significantly lower than TRRDX's 9.85% return. Over a longer period, both investments have demonstrated similar performance, with their 10-year annualized returns being quite close: PTDIX at 10.32% and TRRDX at 10.32%.
PTDIX
- 1D
- 0.28%
- 1M
- 0.39%
- 6M
- 4.44%
- YTD
- 7.20%
- 1Y
- 15.12%
- 3Y*
- 15.01%
- 5Y*
- 7.75%
- 10Y*
- 10.32%
- ALL TIME*
- 7.31%
TRRDX
- 1D
- 0.24%
- 1M
- 0.11%
- 6M
- 6.03%
- YTD
- 9.85%
- 1Y
- 15.07%
- 3Y*
- 13.30%
- 5Y*
- 7.01%
- 10Y*
- 10.32%
- ALL TIME*
- 9.60%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
PTDIX vs. TRRDX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PTDIX Principal LifeTime 2040 Fund | 7.20% | 15.59% | 17.43% | 18.33% | -18.13% | 15.35% | 16.04% | 24.91% | -7.95% | 20.69% |
TRRDX T. Rowe Price Retirement 2040 Fund | 9.85% | 12.53% | 13.15% | 19.60% | -18.77% | 16.52% | 18.10% | 24.71% | -7.41% | 22.03% |
Correlation
The correlation between PTDIX and TRRDX is 0.94, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.94 |
Correlation (3Y) Balances recent behavior with more history. | 0.94 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.96 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.96 |
Correlation (All Time) Calculated using the full available price history since Sep 30, 2002 | 0.96 |
The correlation between PTDIX and TRRDX has been stable across timeframes, ranging from 0.94 to 0.96 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
PTDIX vs. TRRDX — Risk / Return Rank
PTDIX
TRRDX
PTDIX vs. TRRDX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Principal LifeTime 2040 Fund (PTDIX) and T. Rowe Price Retirement 2040 Fund (TRRDX). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| PTDIX | TRRDX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.16 | ||
| Sortino ratioReturn per unit of downside risk | +0.25 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 1.22 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 1.94 | 1.62 | +0.32 |
| Martin ratioReturn relative to average drawdown | 8.26 | 6.37 | +1.89 |
Loading charts...
Drawdowns
PTDIX vs. TRRDX - Drawdown Comparison
The maximum PTDIX drawdown since its inception was -54.38%, roughly equal to the maximum TRRDX drawdown of -53.50%. Use the drawdown chart below to compare losses from any high point for PTDIX and TRRDX.
Loading charts...
Drawdown Indicators
| PTDIX | TRRDX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.38% | -53.50% | -0.88% |
Max Drawdown (1Y)Largest decline over 1 year | -7.32% | -8.88% | +1.56% |
Max Drawdown (3Y)Largest decline over 3 years | -13.05% | -14.03% | +0.98% |
Max Drawdown (5Y)Largest decline over 5 years | -25.43% | -27.26% | +1.83% |
Max Drawdown (10Y)Largest decline over 10 years | -30.02% | -31.46% | +1.44% |
Current DrawdownCurrent decline from peak | -0.56% | -0.74% | +0.18% |
Average DrawdownAverage peak-to-trough decline | -7.45% | -6.50% | -0.95% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.71% | 2.24% | -0.53% |
Volatility
PTDIX vs. TRRDX - Volatility Comparison
The current volatility for Principal LifeTime 2040 Fund (PTDIX) is 2.82%, while T. Rowe Price Retirement 2040 Fund (TRRDX) has a volatility of 3.07%. This indicates that PTDIX experiences smaller price fluctuations and is considered to be less risky than TRRDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| PTDIX | TRRDX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.82% | 3.07% | -0.25% |
Volatility (6M)Calculated over the trailing 6-month period | 8.76% | 9.83% | -1.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 10.61% | 12.27% | -1.66% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.58% | 14.25% | -0.67% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.78% | 14.56% | -0.78% |
PTDIX vs. TRRDX - Expense Ratio Comparison
PTDIX has a 0.01% expense ratio, which is lower than TRRDX's 0.60% expense ratio.
Dividends
PTDIX vs. TRRDX - Dividend Comparison
PTDIX's dividend yield for the trailing twelve months is around 9.14%, while TRRDX has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PTDIX Principal LifeTime 2040 Fund | 9.14% | 9.80% | 12.28% | 4.40% | 8.61% | 8.92% | 6.01% | 7.26% | 9.28% | 6.07% | 4.86% | 6.73% |
TRRDX T. Rowe Price Retirement 2040 Fund | 0.00% | 0.00% | 2.26% | 5.60% | 8.92% | 7.92% | 4.96% | 6.10% | 9.51% | 3.96% | 3.36% | 4.61% |
Frequently Asked Questions
With a correlation of 0.94, PTDIX and TRRDX 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.
TRRDX has higher volatility (3.07%) compared to PTDIX (2.82%). In terms of maximum drawdown, PTDIX dropped -54.38% vs TRRDX's -53.50%.
PTDIX currently has the higher Sharpe Ratio (1.34 vs 1.17), 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.
Find the right allocation for PTDIX and TRRDX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer