SSDOX vs. FDEWX

Last updated Jun 24, 2026

SSDOX (State Street Target Retirement 2055 Fund) and FDEWX (Fidelity Freedom Index 2055 Fund Investor Class) are both Target Retirement Date funds. Over the past 10 years, SSDOX returned 11.53%/yr vs 12.24%/yr for FDEWX. With a 0.98 correlation, they move nearly in lockstep. SSDOX charges 0.21%/yr vs 0.12%/yr for FDEWX.

Performance

SSDOX vs. FDEWX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street Target Retirement 2055 Fund (SSDOX) and Fidelity Freedom Index 2055 Fund Investor Class (FDEWX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with SSDOX having a 11.69% return and FDEWX slightly higher at 11.87%. Over the past 10 years, SSDOX has underperformed FDEWX with an annualized return of 11.53%, while FDEWX has yielded a comparatively higher 12.24% annualized return.

SSDOX

• 1D: -0.10%
• 1M: 1.91%
• YTD: 11.69%
• 6M: 11.05%
• 1Y: 26.50%
• 3Y*: 18.23%
• 5Y*: 8.64%
• 10Y*: 11.53%

FDEWX

• 1D: -0.14%
• 1M: 1.79%
• YTD: 11.87%
• 6M: 11.27%
• 1Y: 26.79%
• 3Y*: 18.99%
• 5Y*: 9.89%
• 10Y*: 12.24%

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

SSDOX vs. FDEWX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SSDOX State Street Target Retirement 2055 Fund	11.69%	21.02%	12.37%	19.35%	-19.27%	13.32%	19.62%	25.62%	-7.91%	19.22%
FDEWX Fidelity Freedom Index 2055 Fund Investor Class	11.87%	21.39%	14.14%	19.95%	-18.01%	15.88%	16.46%	25.94%	-7.19%	20.53%

Correlation

The correlation between SSDOX and FDEWX is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (3Y) Calculated over the trailing 3-year period	0.97
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (10Y) Calculated over the trailing 10-year period	0.98
Correlation (All Time) Calculated using the full available price history since Oct 1, 2014	0.98

The correlation between SSDOX and FDEWX has been stable across timeframes, ranging from 0.96 to 0.98 - a consistent structural relationship.

Return for Risk

SSDOX vs. FDEWX — Risk / Return Rank

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

SSDOX

SSDOX Risk / Return Rank: 71
SSDOX Sharpe Ratio Rank: 73
SSDOX Sortino Ratio Rank: 69
SSDOX Omega Ratio Rank: 73
SSDOX Calmar Ratio Rank: 69
SSDOX Martin Ratio Rank: 71

FDEWX

FDEWX Risk / Return Rank: 70
FDEWX Sharpe Ratio Rank: 71
FDEWX Sortino Ratio Rank: 65
FDEWX Omega Ratio Rank: 67
FDEWX Calmar Ratio Rank: 70
FDEWX Martin Ratio Rank: 75

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.

SSDOX vs. FDEWX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street Target Retirement 2055 Fund (SSDOX) and Fidelity Freedom Index 2055 Fund Investor Class (FDEWX). 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.

	SSDOX	FDEWX	Difference
Sharpe ratio: Return per unit of total volatility	2.28	2.25	+0.03
Sortino ratio: Return per unit of downside risk	3.15	3.08	+0.07
Omega ratio: Gain probability vs. loss probability	1.44	1.42	+0.02
Calmar ratio: Return relative to maximum drawdown	3.06	3.08	-0.01
Martin ratio: Return relative to average drawdown	12.79	13.26	-0.47

SSDOX vs. FDEWX - Sharpe Ratio Comparison

The current SSDOX Sharpe Ratio is 2.28, which is comparable to the FDEWX Sharpe Ratio of 2.25. The chart below compares the historical Sharpe Ratios of SSDOX and FDEWX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

SSDOX vs. FDEWX - Drawdown Comparison

The maximum SSDOX drawdown since its inception was -29.85%, roughly equal to the maximum FDEWX drawdown of -30.69%. Use the drawdown chart below to compare losses from any high point for SSDOX and FDEWX.

Drawdown Indicators

	SSDOX	FDEWX	Difference
Max Drawdown Largest peak-to-trough decline	-29.85%	-30.69%	+0.84%
Max Drawdown (1Y) Largest decline over 1 year	-8.92%	-9.07%	+0.15%
Max Drawdown (3Y) Largest decline over 3 years	-15.04%	-14.74%	-0.30%
Max Drawdown (5Y) Largest decline over 5 years	-27.44%	-26.22%	-1.22%
Max Drawdown (10Y) Largest decline over 10 years	-29.85%	-30.69%	+0.84%
Current Drawdown Current decline from peak	-0.35%	-0.66%	+0.31%
Average Drawdown Average peak-to-trough decline	-5.02%	-4.22%	-0.80%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.13%	2.10%	+0.03%

Volatility

SSDOX vs. FDEWX - Volatility Comparison

The current volatility for State Street Target Retirement 2055 Fund (SSDOX) is 4.74%, while Fidelity Freedom Index 2055 Fund Investor Class (FDEWX) has a volatility of 5.06%. This indicates that SSDOX experiences smaller price fluctuations and is considered to be less risky than FDEWX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSDOX	FDEWX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.74%	5.06%	-0.32%
Volatility (6M) Calculated over the trailing 6-month period	9.90%	10.39%	-0.49%
Volatility (1Y) Calculated over the trailing 1-year period	11.99%	12.43%	-0.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.37%	14.52%	-0.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	14.87%	15.23%	-0.36%

SSDOX vs. FDEWX - Expense Ratio Comparison

SSDOX has a 0.21% expense ratio, which is higher than FDEWX's 0.12% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

SSDOX vs. FDEWX - Dividend Comparison

SSDOX's dividend yield for the trailing twelve months is around 4.34%, more than FDEWX's 1.69% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDEWX Fidelity Freedom Index 2055 Fund Investor Class	1.69%	1.97%	1.98%	1.92%	2.24%	1.89%	1.85%	10.83%	2.36%	1.93%	2.42%	2.31%
SSDOX State Street Target Retirement 2055 Fund	4.34%	4.85%	4.45%	2.99%	4.97%	4.39%	3.03%	6.02%	5.38%	0.44%	1.71%	2.03%

Frequently Asked Questions

Can I hold both SSDOX and FDEWX in my portfolio?

With a correlation of 0.96, SSDOX and FDEWX 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.

Which is riskier, SSDOX or FDEWX?

FDEWX has higher volatility (5.06%) compared to SSDOX (4.74%). In terms of maximum drawdown, SSDOX dropped -29.85% vs FDEWX's -30.69%.

Which has better risk-adjusted returns?

SSDOX currently has the higher Sharpe Ratio (2.28 vs 2.25), 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.