PTDIX vs. SSBWX
PTDIX (Principal LifeTime 2040 Fund) and SSBWX (State Street Target Retirement 2030 Fund) are both Target Retirement Date funds. Over the past 10 years, PTDIX returned 10.47%/yr vs 8.95%/yr for SSBWX. With a 0.95 correlation, they move nearly in lockstep. PTDIX charges 0.01%/yr vs 0.15%/yr for SSBWX.
Performance
PTDIX vs. SSBWX - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with PTDIX having a 7.44% return and SSBWX slightly higher at 7.67%. Over the past 10 years, PTDIX has outperformed SSBWX with an annualized return of 10.47%, while SSBWX has yielded a comparatively lower 8.95% annualized return.
PTDIX
- 1D
- 0.39%
- 1M
- 1.24%
- YTD
- 7.44%
- 6M
- 7.73%
- 1Y
- 18.65%
- 3Y*
- 17.08%
- 5Y*
- 8.08%
- 10Y*
- 10.47%
SSBWX
- 1D
- 0.13%
- 1M
- 1.08%
- YTD
- 7.67%
- 6M
- 7.87%
- 1Y
- 18.64%
- 3Y*
- 13.93%
- 5Y*
- 6.32%
- 10Y*
- 8.95%
PTDIX vs. SSBWX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PTDIX Principal LifeTime 2040 Fund | 7.44% | 15.59% | 17.43% | 18.33% | -18.13% | 15.35% | 16.04% | 24.91% | -7.95% | 20.69% |
SSBWX State Street Target Retirement 2030 Fund | 7.67% | 15.92% | 9.76% | 15.66% | -17.17% | 10.75% | 17.27% | 22.52% | -6.23% | 16.05% |
Correlation
The correlation between PTDIX and SSBWX is 0.94, 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 | 0.94 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.94 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.95 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.95 |
Correlation (All Time) Calculated using the full available price history since Oct 2, 2014 | 0.95 |
The correlation between PTDIX and SSBWX has been stable across timeframes, ranging from 0.94 to 0.95 - a consistent structural relationship.
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Return for Risk
PTDIX vs. SSBWX — Risk / Return Rank
PTDIX
SSBWX
PTDIX vs. SSBWX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Principal LifeTime 2040 Fund (PTDIX) and State Street Target Retirement 2030 Fund (SSBWX). 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.
| PTDIX | SSBWX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.58 | ||
| Sortino ratioReturn per unit of downside risk | -0.86 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 1.49 | -0.14 |
| Calmar ratioReturn relative to maximum drawdown | 2.56 | 2.98 | -0.42 |
| Martin ratioReturn relative to average drawdown | 11.38 | 13.22 | -1.84 |
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
| PTDIX | SSBWX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.90 | 2.48 | -0.58 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.60 | 0.60 | +0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.76 | 0.79 | -0.03 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.48 | 0.72 | -0.25 |
Drawdowns
PTDIX vs. SSBWX - Drawdown Comparison
The maximum PTDIX drawdown since its inception was -54.38%, which is greater than SSBWX's maximum drawdown of -23.73%. Use the drawdown chart below to compare losses from any high point for PTDIX and SSBWX.
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Drawdown Indicators
| PTDIX | SSBWX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.38% | -23.73% | -30.65% |
Max Drawdown (1Y)Largest decline over 1 year | -7.32% | -6.20% | -1.12% |
Max Drawdown (3Y)Largest decline over 3 years | -13.05% | -9.73% | -3.32% |
Max Drawdown (5Y)Largest decline over 5 years | -25.43% | -23.73% | -1.70% |
Max Drawdown (10Y)Largest decline over 10 years | -30.02% | -23.73% | -6.29% |
Current DrawdownCurrent decline from peak | -0.33% | -0.27% | -0.06% |
Average DrawdownAverage peak-to-trough decline | -7.49% | -4.17% | -3.32% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.64% | 1.39% | +0.25% |
Volatility
PTDIX vs. SSBWX - Volatility Comparison
Principal LifeTime 2040 Fund (PTDIX) has a higher volatility of 2.92% compared to State Street Target Retirement 2030 Fund (SSBWX) at 2.34%. This indicates that PTDIX's price experiences larger fluctuations and is considered to be riskier than SSBWX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PTDIX | SSBWX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.92% | 2.34% | +0.58% |
Volatility (6M)Calculated over the trailing 6-month period | 7.87% | 5.97% | +1.90% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.84% | 7.44% | +2.40% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.49% | 10.64% | +2.85% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.83% | 11.33% | +2.50% |
PTDIX vs. SSBWX - Expense Ratio Comparison
PTDIX has a 0.01% expense ratio, which is lower than SSBWX's 0.15% 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
PTDIX vs. SSBWX - Dividend Comparison
PTDIX's dividend yield for the trailing twelve months is around 9.12%, more than SSBWX's 6.42% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PTDIX Principal LifeTime 2040 Fund | 9.12% | 9.80% | 12.28% | 4.40% | 8.61% | 8.92% | 6.01% | 7.26% | 9.28% | 6.07% | 4.86% | 6.73% |
SSBWX State Street Target Retirement 2030 Fund | 6.42% | 6.91% | 6.16% | 4.11% | 5.78% | 6.18% | 4.92% | 6.65% | 5.24% | 0.46% | 1.75% | 2.11% |
Frequently Asked Questions
With a correlation of 0.94, PTDIX and SSBWX 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.
PTDIX has higher volatility (2.92%) compared to SSBWX (2.34%). In terms of maximum drawdown, PTDIX dropped -54.38% vs SSBWX's -23.73%.
SSBWX currently has the higher Sharpe Ratio (2.48 vs 1.90), 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.
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