PAFTX vs. SSFNX
PAFTX (T. Rowe Price Target 2055 Fund) and SSFNX (State Street Target Retirement Fund) are both Target Retirement Date funds. Over the past 10 years, PAFTX returned 10.76%/yr vs 5.61%/yr for SSFNX. Their correlation of 0.88 means they have usually moved in the same direction. PAFTX charges 0.89%/yr vs 0.10%/yr for SSFNX.
Performance
PAFTX vs. SSFNX - Performance Comparison
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Returns By Period
In the year-to-date period, PAFTX achieves a 10.55% return, which is significantly higher than SSFNX's 5.13% return. Over the past 10 years, PAFTX has outperformed SSFNX with an annualized return of 10.76%, while SSFNX has yielded a comparatively lower 5.61% annualized return.
PAFTX
- 1D
- 1.74%
- 1M
- -0.04%
- 6M
- 5.74%
- YTD
- 10.55%
- 1Y
- 21.69%
- 3Y*
- 15.44%
- 5Y*
- 8.29%
- 10Y*
- 10.76%
- ALL TIME*
- 9.96%
SSFNX
- 1D
- 0.59%
- 1M
- 0.00%
- 6M
- 3.48%
- YTD
- 5.13%
- 1Y
- 10.22%
- 3Y*
- 8.89%
- 5Y*
- 4.12%
- 10Y*
- 5.61%
- ALL TIME*
- 5.26%
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 |
PAFTX vs. SSFNX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PAFTX T. Rowe Price Target 2055 Fund | 10.55% | 18.41% | 13.80% | 20.29% | -19.48% | 16.76% | 18.05% | 24.60% | -7.72% | 20.49% |
SSFNX State Street Target Retirement Fund | 5.13% | 10.93% | 7.05% | 10.73% | -12.21% | 6.87% | 10.26% | 13.97% | -2.49% | 8.92% |
Correlation
The correlation between PAFTX and SSFNX is 0.91, 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. | 0.91 |
Correlation (3Y) Balances recent behavior with more history. | 0.85 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.87 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.88 |
Correlation (All Time) Calculated using the full available price history since Oct 1, 2014 | 0.88 |
The correlation between PAFTX and SSFNX has been stable across timeframes, ranging from 0.85 to 0.91 - a consistent structural relationship.
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Return for Risk
PAFTX vs. SSFNX — Risk / Return Rank
PAFTX
SSFNX
PAFTX vs. SSFNX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Target 2055 Fund (PAFTX) and State Street Target Retirement Fund (SSFNX). 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.
| PAFTX | SSFNX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.53 | ||
| Sortino ratioReturn per unit of downside risk | -0.77 | ||
| Omega ratioGain probability vs. loss probability | 1.29 | 1.41 | -0.12 |
| Calmar ratioReturn relative to maximum drawdown | 2.12 | 2.83 | -0.72 |
| Martin ratioReturn relative to average drawdown | 8.99 | 12.28 | -3.29 |
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Drawdowns
PAFTX vs. SSFNX - Drawdown Comparison
The maximum PAFTX drawdown since its inception was -31.88%, which is greater than SSFNX's maximum drawdown of -16.62%. Use the drawdown chart below to compare losses from any high point for PAFTX and SSFNX.
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Drawdown Indicators
| PAFTX | SSFNX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -31.88% | -16.62% | -15.26% |
Max Drawdown (1Y)Largest decline over 1 year | -9.62% | -3.52% | -6.10% |
Max Drawdown (3Y)Largest decline over 3 years | -15.73% | -5.21% | -10.52% |
Max Drawdown (5Y)Largest decline over 5 years | -28.15% | -16.62% | -11.53% |
Max Drawdown (10Y)Largest decline over 10 years | -31.88% | -16.62% | -15.26% |
Current DrawdownCurrent decline from peak | -0.95% | -0.42% | -0.53% |
Average DrawdownAverage peak-to-trough decline | -4.91% | -2.49% | -2.42% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.25% | 0.81% | +1.44% |
Volatility
PAFTX vs. SSFNX - Volatility Comparison
T. Rowe Price Target 2055 Fund (PAFTX) has a higher volatility of 3.42% compared to State Street Target Retirement Fund (SSFNX) at 1.23%. This indicates that PAFTX's price experiences larger fluctuations and is considered to be riskier than SSFNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PAFTX | SSFNX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.42% | 1.23% | +2.19% |
Volatility (6M)Calculated over the trailing 6-month period | 10.75% | 3.97% | +6.78% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.08% | 4.78% | +8.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.20% | 6.63% | +8.57% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 15.20% | 6.56% | +8.64% |
PAFTX vs. SSFNX - Expense Ratio Comparison
PAFTX has a 0.89% expense ratio, which is higher than SSFNX's 0.10% expense ratio.
Dividends
PAFTX vs. SSFNX - Dividend Comparison
PAFTX's dividend yield for the trailing twelve months is around 4.06%, less than SSFNX's 4.63% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PAFTX T. Rowe Price Target 2055 Fund | 4.06% | 4.49% | 2.19% | 2.44% | 5.01% | 3.35% | 2.42% | 4.00% | 5.86% | 2.16% | 2.64% | 3.14% |
SSFNX State Street Target Retirement Fund | 4.63% | 4.86% | 5.78% | 5.26% | 5.12% | 6.69% | 1.61% | 3.35% | 4.40% | 2.72% | 1.84% | 2.05% |
Frequently Asked Questions
With a correlation of 0.91, PAFTX and SSFNX 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.
PAFTX has higher volatility (3.42%) compared to SSFNX (1.23%). In terms of maximum drawdown, PAFTX dropped -31.88% vs SSFNX's -16.62%.
SSFNX currently has the higher Sharpe Ratio (2.09 vs 1.56), 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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