FDAFX vs. FSNKX

Last updated Jun 4, 2026

FDAFX (Fidelity Advisor Freedom 2020 Fund Class A) and FSNKX (Fidelity Freedom 2010 Fund Class K) are both Target Retirement Date funds from Fidelity. Over the past 5 years, FDAFX returned 4.58%/yr vs 3.75%/yr for FSNKX. With a 0.97 correlation, they move nearly in lockstep. FDAFX charges 0.83%/yr vs 0.44%/yr for FSNKX.

Performance

FDAFX vs. FSNKX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Freedom 2020 Fund Class A (FDAFX) and Fidelity Freedom 2010 Fund Class K (FSNKX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FDAFX achieves a 6.52% return, which is significantly higher than FSNKX's 5.34% return.

FDAFX

• 1D: 0.31%
• 1M: 2.40%
• YTD: 6.52%
• 6M: 7.03%
• 1Y: 15.72%
• 3Y*: 11.30%
• 5Y*: 4.58%
• 10Y*: 6.93%

FSNKX

• 1D: 0.26%
• 1M: 1.83%
• YTD: 5.34%
• 6M: 5.70%
• 1Y: 12.71%
• 3Y*: 9.12%
• 5Y*: 3.75%
• 10Y*: —

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

FDAFX vs. FSNKX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FDAFX Fidelity Advisor Freedom 2020 Fund Class A	6.52%	14.28%	6.79%	12.08%	-16.22%	8.40%	13.09%	18.40%	-5.05%	2.19%
FSNKX Fidelity Freedom 2010 Fund Class K	5.34%	11.42%	5.33%	9.94%	-13.18%	5.67%	11.22%	14.40%	-3.50%	4.12%

Correlation

The correlation between FDAFX and FSNKX is 0.97 - 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	0.97
Correlation (3Y) Calculated over the trailing 3-year period	0.97
Correlation (5Y) Calculated over the trailing 5-year period	0.97
Correlation (All Time) Calculated using the full available price history since Jul 26, 2017	0.97

The correlation between FDAFX and FSNKX has been stable across timeframes, ranging from 0.97 to 0.97 - a consistent structural relationship.

Return for Risk

FDAFX vs. FSNKX — Risk / Return Rank

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

FDAFX

FDAFX Risk / Return Rank: 61
FDAFX Sharpe Ratio Rank: 61
FDAFX Sortino Ratio Rank: 62
FDAFX Omega Ratio Rank: 66
FDAFX Calmar Ratio Rank: 55
FDAFX Martin Ratio Rank: 62

FSNKX

FSNKX Risk / Return Rank: 76
FSNKX Sharpe Ratio Rank: 78
FSNKX Sortino Ratio Rank: 79
FSNKX Omega Ratio Rank: 80
FSNKX Calmar Ratio Rank: 69
FSNKX 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.

FDAFX vs. FSNKX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Freedom 2020 Fund Class A (FDAFX) and Fidelity Freedom 2010 Fund Class K (FSNKX). 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.

	FDAFX	FSNKX	Difference
Sharpe ratio: Return per unit of total volatility	2.29	2.58	-0.28
Sortino ratio: Return per unit of downside risk	3.30	3.77	-0.47
Omega ratio: Gain probability vs. loss probability	1.46	1.53	-0.07
Calmar ratio: Return relative to maximum drawdown	2.85	3.22	-0.37
Martin ratio: Return relative to average drawdown	12.30	14.11	-1.81
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FDAFX vs. FSNKX - Sharpe Ratio Comparison

The current FDAFX Sharpe Ratio is 2.29, which is comparable to the FSNKX Sharpe Ratio of 2.58. The chart below compares the historical Sharpe Ratios of FDAFX and FSNKX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	FDAFX	FSNKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.29	2.58	-0.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.52	0.59	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.77	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.47	0.84	-0.37

Drawdowns

FDAFX vs. FSNKX - Drawdown Comparison

The maximum FDAFX drawdown since its inception was -47.38%, which is greater than FSNKX's maximum drawdown of -18.31%. Use the drawdown chart below to compare losses from any high point for FDAFX and FSNKX.

Drawdown Indicators

	FDAFX	FSNKX	Difference
Max Drawdown Largest peak-to-trough decline	-47.38%	-18.31%	-29.07%
Max Drawdown (1Y) Largest decline over 1 year	-5.57%	-4.00%	-1.57%
Max Drawdown (3Y) Largest decline over 3 years	-7.72%	-5.76%	-1.96%
Max Drawdown (5Y) Largest decline over 5 years	-22.75%	-18.31%	-4.44%
Max Drawdown (10Y) Largest decline over 10 years	-22.75%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-5.54%	-3.61%	-1.93%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.29%	0.91%	+0.38%

Volatility

FDAFX vs. FSNKX - Volatility Comparison

Fidelity Advisor Freedom 2020 Fund Class A (FDAFX) has a higher volatility of 2.61% compared to Fidelity Freedom 2010 Fund Class K (FSNKX) at 2.00%. This indicates that FDAFX's price experiences larger fluctuations and is considered to be riskier than FSNKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FDAFX	FSNKX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.61%	2.00%	+0.61%
Volatility (6M) Calculated over the trailing 6-month period	5.82%	4.20%	+1.62%
Volatility (1Y) Calculated over the trailing 1-year period	6.93%	5.01%	+1.92%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.88%	6.40%	+2.48%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.08%	6.44%	+2.64%

FDAFX vs. FSNKX - Expense Ratio Comparison

FDAFX has a 0.83% expense ratio, which is higher than FSNKX's 0.44% expense ratio.

Dividends

FDAFX vs. FSNKX - Dividend Comparison

FDAFX's dividend yield for the trailing twelve months is around 7.66%, more than FSNKX's 4.68% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FDAFX Fidelity Advisor Freedom 2020 Fund Class A	7.66%	7.70%	4.66%	2.15%	8.84%	10.71%	6.97%	6.62%	9.48%	3.23%	4.34%	3.51%
FSNKX Fidelity Freedom 2010 Fund Class K	4.68%	4.99%	3.05%	2.83%	7.28%	9.36%	6.05%	5.83%	7.26%	3.53%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FDAFX and FSNKX in my portfolio?

With a correlation of 0.97, FDAFX and FSNKX 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, FDAFX or FSNKX?

FDAFX has higher volatility (2.61%) compared to FSNKX (2.00%). In terms of maximum drawdown, FDAFX dropped -47.38% vs FSNKX's -18.31%.

Which has better risk-adjusted returns?

FSNKX currently has the higher Sharpe Ratio (2.58 vs 2.29), 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.