FSNLX vs. FILSX

Last updated Jun 23, 2026

FSNLX (Fidelity Freedom 2015 Fund Class K) and FILSX (Fidelity Flex Freedom Blend 2015 Fund) are both Target Retirement Date funds from Fidelity. Over the past 5 years, FSNLX returned 4.58%/yr vs 4.77%/yr for FILSX. With a 0.99 correlation, they move nearly in lockstep. FSNLX charges 0.47%/yr vs 0.00%/yr for FILSX.

Performance

FSNLX vs. FILSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Freedom 2015 Fund Class K (FSNLX) and Fidelity Flex Freedom Blend 2015 Fund (FILSX). 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 FSNLX having a 6.46% return and FILSX slightly higher at 6.65%.

FSNLX

• 1D: 0.72%
• 1M: 1.61%
• YTD: 6.46%
• 6M: 6.56%
• 1Y: 14.72%
• 3Y*: 10.19%
• 5Y*: 4.58%
• 10Y*: —

FILSX

• 1D: 0.75%
• 1M: 1.60%
• YTD: 6.65%
• 6M: 6.83%
• 1Y: 15.04%
• 3Y*: 10.39%
• 5Y*: 4.77%
• 10Y*: —

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

FSNLX vs. FILSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FSNLX Fidelity Freedom 2015 Fund Class K	6.46%	13.23%	6.29%	11.43%	-14.53%	7.36%	12.32%	16.37%	-4.36%	3.37%
FILSX Fidelity Flex Freedom Blend 2015 Fund	6.65%	13.14%	6.64%	11.78%	-14.74%	7.43%	12.20%	16.66%	-4.20%	4.94%

Correlation

The correlation between FSNLX and FILSX is 0.98 - 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	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.99
Correlation (5Y) Calculated over the trailing 5-year period	0.99
Correlation (All Time) Calculated using the full available price history since Jul 25, 2017	0.99

The correlation between FSNLX and FILSX has been stable across timeframes, ranging from 0.98 to 0.99 - a consistent structural relationship.

Return for Risk

FSNLX vs. FILSX — Risk / Return Rank

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

FSNLX

FSNLX Risk / Return Rank: 76
FSNLX Sharpe Ratio Rank: 75
FSNLX Sortino Ratio Rank: 76
FSNLX Omega Ratio Rank: 78
FSNLX Calmar Ratio Rank: 72
FSNLX Martin Ratio Rank: 78

FILSX

FILSX Risk / Return Rank: 78
FILSX Sharpe Ratio Rank: 78
FILSX Sortino Ratio Rank: 78
FILSX Omega Ratio Rank: 81
FILSX Calmar Ratio Rank: 75
FILSX Martin Ratio Rank: 80

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.

FSNLX vs. FILSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Freedom 2015 Fund Class K (FSNLX) and Fidelity Flex Freedom Blend 2015 Fund (FILSX). 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.

	FSNLX	FILSX	Difference
Sharpe ratio: Return per unit of total volatility	2.31	2.38	-0.07
Sortino ratio: Return per unit of downside risk	3.32	3.42	-0.10
Omega ratio: Gain probability vs. loss probability	1.46	1.48	-0.02
Calmar ratio: Return relative to maximum drawdown	3.14	3.21	-0.08
Martin ratio: Return relative to average drawdown	13.54	13.81	-0.28

FSNLX vs. FILSX - Sharpe Ratio Comparison

The current FSNLX Sharpe Ratio is 2.31, which is comparable to the FILSX Sharpe Ratio of 2.38. The chart below compares the historical Sharpe Ratios of FSNLX and FILSX, 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

FSNLX vs. FILSX - Drawdown Comparison

The maximum FSNLX drawdown since its inception was -20.41%, roughly equal to the maximum FILSX drawdown of -20.41%. Use the drawdown chart below to compare losses from any high point for FSNLX and FILSX.

Drawdown Indicators

	FSNLX	FILSX	Difference
Max Drawdown Largest peak-to-trough decline	-20.41%	-20.41%	0.00%
Max Drawdown (1Y) Largest decline over 1 year	-4.70%	-4.69%	-0.01%
Max Drawdown (3Y) Largest decline over 3 years	-6.76%	-6.68%	-0.08%
Max Drawdown (5Y) Largest decline over 5 years	-20.41%	-20.41%	0.00%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-4.04%	-3.94%	-0.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.09%	1.09%	0.00%

Volatility

FSNLX vs. FILSX - Volatility Comparison

Fidelity Freedom 2015 Fund Class K (FSNLX) and Fidelity Flex Freedom Blend 2015 Fund (FILSX) have volatilities of 2.81% and 2.76%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FSNLX	FILSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.81%	2.76%	+0.05%
Volatility (6M) Calculated over the trailing 6-month period	5.50%	5.42%	+0.08%
Volatility (1Y) Calculated over the trailing 1-year period	6.38%	6.32%	+0.06%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.68%	7.71%	-0.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.90%	7.88%	+0.02%

FSNLX vs. FILSX - Expense Ratio Comparison

FSNLX has a 0.47% expense ratio, which is higher than FILSX's 0.00% expense ratio.

Dividends

FSNLX vs. FILSX - Dividend Comparison

FSNLX's dividend yield for the trailing twelve months is around 6.43%, less than FILSX's 12.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FILSX Fidelity Flex Freedom Blend 2015 Fund	12.18%	4.70%	3.25%	3.08%	6.04%	6.77%	4.08%	5.69%	5.77%	2.51%
FSNLX Fidelity Freedom 2015 Fund Class K	6.43%	6.50%	4.02%	2.74%	8.44%	10.79%	6.72%	6.77%	8.21%	2.16%

Frequently Asked Questions

Can I hold both FSNLX and FILSX in my portfolio?

With a correlation of 0.98, FSNLX and FILSX 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, FSNLX or FILSX?

FSNLX has higher volatility (2.81%) compared to FILSX (2.76%). In terms of maximum drawdown, FSNLX dropped -20.41% vs FILSX's -20.41%.

Which has better risk-adjusted returns?

FILSX currently has the higher Sharpe Ratio (2.38 vs 2.31), 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.