FSNKX vs. SSCNX

Last updated Jun 25, 2026

FSNKX (Fidelity Freedom 2010 Fund Class K) and SSCNX (State Street Target Retirement 2040 Fund) are both Target Retirement Date funds. Over the past 5 years, FSNKX returned 3.49%/yr vs 7.06%/yr for SSCNX. Their correlation of 0.90 suggests significant overlap in exposure. FSNKX charges 0.44%/yr vs 0.20%/yr for SSCNX.

Performance

FSNKX vs. SSCNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom 2010 Fund Class K (FSNKX) and State Street Target Retirement 2040 Fund (SSCNX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FSNKX achieves a 4.52% return, which is significantly lower than SSCNX's 8.17% return.

FSNKX

• 1D: -0.78%
• 1M: 0.39%
• YTD: 4.52%
• 6M: 4.26%
• 1Y: 10.37%
• 3Y*: 8.70%
• 5Y*: 3.49%
• 10Y*: —

SSCNX

• 1D: -1.34%
• 1M: 0.18%
• YTD: 8.17%
• 6M: 7.35%
• 1Y: 19.57%
• 3Y*: 15.58%
• 5Y*: 7.06%
• 10Y*: 10.41%

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

FSNKX vs. SSCNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSNKX Fidelity Freedom 2010 Fund Class K	4.52%	11.42%	5.33%	9.94%	-13.18%	5.67%	11.22%	14.40%	-3.50%	4.12%
SSCNX State Street Target Retirement 2040 Fund	8.17%	19.00%	11.21%	17.68%	-18.55%	11.75%	18.72%	24.61%	-7.45%	5.63%

Correlation

The correlation between FSNKX and SSCNX is 0.90, 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	0.90
Correlation (3Y) Calculated over the trailing 3-year period	0.87
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (All Time) Calculated using the full available price history since Jul 25, 2017	0.90

The correlation between FSNKX and SSCNX has been stable across timeframes, ranging from 0.87 to 0.90 - a consistent structural relationship.

Return for Risk

FSNKX vs. SSCNX — Risk / Return Rank

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

FSNKX

FSNKX Risk / Return Rank: 66
FSNKX Sharpe Ratio Rank: 62
FSNKX Sortino Ratio Rank: 65
FSNKX Omega Ratio Rank: 70
FSNKX Calmar Ratio Rank: 63
FSNKX Martin Ratio Rank: 70

SSCNX

SSCNX Risk / Return Rank: 59
SSCNX Sharpe Ratio Rank: 60
SSCNX Sortino Ratio Rank: 58
SSCNX Omega Ratio Rank: 62
SSCNX Calmar Ratio Rank: 55
SSCNX Martin Ratio Rank: 61

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.

FSNKX vs. SSCNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom 2010 Fund Class K (FSNKX) and State Street Target Retirement 2040 Fund (SSCNX). 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.

	FSNKX	SSCNX	Difference
Sharpe ratio: Return per unit of total volatility	2.02	2.04	-0.02
Sortino ratio: Return per unit of downside risk	2.90	2.85	+0.05
Omega ratio: Gain probability vs. loss probability	1.41	1.39	+0.02
Calmar ratio: Return relative to maximum drawdown	2.77	2.65	+0.12
Martin ratio: Return relative to average drawdown	11.84	11.16	+0.68

FSNKX vs. SSCNX - Sharpe Ratio Comparison

The current FSNKX Sharpe Ratio is 2.02, which is comparable to the SSCNX Sharpe Ratio of 2.04. The chart below compares the historical Sharpe Ratios of FSNKX and SSCNX, 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

FSNKX vs. SSCNX - Drawdown Comparison

The maximum FSNKX drawdown since its inception was -18.31%, smaller than the maximum SSCNX drawdown of -27.49%. Use the drawdown chart below to compare losses from any high point for FSNKX and SSCNX.

Drawdown Indicators

	FSNKX	SSCNX	Difference
Max Drawdown Largest peak-to-trough decline	-18.31%	-27.49%	+9.18%
Max Drawdown (1Y) Largest decline over 1 year	-4.00%	-7.96%	+3.96%
Max Drawdown (3Y) Largest decline over 3 years	-5.76%	-12.72%	+6.96%
Max Drawdown (5Y) Largest decline over 5 years	-18.31%	-26.14%	+7.83%
Max Drawdown (10Y) Largest decline over 10 years	—	-27.49%	—
Current Drawdown Current decline from peak	-0.97%	-1.74%	+0.77%
Average Drawdown Average peak-to-trough decline	-3.59%	-4.75%	+1.16%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.93%	1.89%	-0.96%

Volatility

FSNKX vs. SSCNX - Volatility Comparison

The current volatility for Fidelity Freedom 2010 Fund Class K (FSNKX) is 2.53%, while State Street Target Retirement 2040 Fund (SSCNX) has a volatility of 4.38%. This indicates that FSNKX experiences smaller price fluctuations and is considered to be less risky than SSCNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSNKX	SSCNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.53%	4.38%	-1.85%
Volatility (6M) Calculated over the trailing 6-month period	4.76%	8.65%	-3.89%
Volatility (1Y) Calculated over the trailing 1-year period	5.49%	10.38%	-4.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.48%	12.85%	-6.37%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	6.47%	13.45%	-6.98%

FSNKX vs. SSCNX - Expense Ratio Comparison

FSNKX has a 0.44% expense ratio, which is higher than SSCNX's 0.20% expense ratio.

Dividends

FSNKX vs. SSCNX - Dividend Comparison

FSNKX's dividend yield for the trailing twelve months is around 4.72%, less than SSCNX's 6.66% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSNKX Fidelity Freedom 2010 Fund Class K	4.72%	4.99%	3.05%	2.83%	7.28%	9.36%	6.05%	5.83%	7.26%	3.53%	0.00%	0.00%
SSCNX State Street Target Retirement 2040 Fund	6.66%	7.21%	4.97%	3.78%	5.39%	5.58%	4.63%	6.31%	5.11%	0.38%	1.77%	1.96%

Frequently Asked Questions

Can I hold both FSNKX and SSCNX in my portfolio?

With a correlation of 0.90, FSNKX and SSCNX 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, FSNKX or SSCNX?

SSCNX has higher volatility (4.38%) compared to FSNKX (2.53%). In terms of maximum drawdown, FSNKX dropped -18.31% vs SSCNX's -27.49%.

Which has better risk-adjusted returns?

SSCNX currently has the higher Sharpe Ratio (2.04 vs 2.02), 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.