FILSX vs. FSNLX

Last updated Jun 4, 2026

FILSX (Fidelity Flex Freedom Blend 2015 Fund) and FSNLX (Fidelity Freedom 2015 Fund Class K) are both Target Retirement Date funds from Fidelity. Over the past 5 years, FILSX returned 4.69%/yr vs 4.47%/yr for FSNLX. With a 0.99 correlation, they move nearly in lockstep. FILSX charges 0.00%/yr vs 0.47%/yr for FSNLX.

Performance

FILSX vs. FSNLX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Flex Freedom Blend 2015 Fund (FILSX) and Fidelity Freedom 2015 Fund Class K (FSNLX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with FILSX having a 6.45% return and FSNLX slightly lower at 6.21%.

FILSX

• 1D: 0.28%
• 1M: 2.42%
• YTD: 6.45%
• 6M: 6.91%
• 1Y: 15.37%
• 3Y*: 10.78%
• 5Y*: 4.69%
• 10Y*: —

FSNLX

• 1D: 0.32%
• 1M: 2.24%
• YTD: 6.21%
• 6M: 6.73%
• 1Y: 14.94%
• 3Y*: 10.54%
• 5Y*: 4.47%
• 10Y*: —

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

FILSX vs. FSNLX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FILSX Fidelity Flex Freedom Blend 2015 Fund	6.45%	13.14%	6.64%	11.78%	-14.74%	7.43%	12.20%	16.66%	-4.20%	4.94%
FSNLX Fidelity Freedom 2015 Fund Class K	6.21%	13.23%	6.29%	11.43%	-14.53%	7.36%	12.32%	16.37%	-4.36%	3.37%

Correlation

The correlation between FILSX and FSNLX 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 26, 2017	0.99

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

Return for Risk

FILSX vs. FSNLX — Risk / Return Rank

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

FILSX

FILSX Risk / Return Rank: 78
FILSX Sharpe Ratio Rank: 80
FILSX Sortino Ratio Rank: 80
FILSX Omega Ratio Rank: 80
FILSX Calmar Ratio Rank: 72
FILSX Martin Ratio Rank: 77

FSNLX

FSNLX Risk / Return Rank: 75
FSNLX Sharpe Ratio Rank: 77
FSNLX Sortino Ratio Rank: 78
FSNLX Omega Ratio Rank: 78
FSNLX Calmar Ratio Rank: 69
FSNLX 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.

FILSX vs. FSNLX - Risk-Adjusted Trends Comparison

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

	FILSX	FSNLX	Difference
Sharpe ratio: Return per unit of total volatility	2.64	2.57	+0.07
Sortino ratio: Return per unit of downside risk	3.84	3.74	+0.10
Omega ratio: Gain probability vs. loss probability	1.54	1.52	+0.02
Calmar ratio: Return relative to maximum drawdown	3.31	3.23	+0.08
Martin ratio: Return relative to average drawdown	14.52	14.21	+0.31
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FILSX vs. FSNLX - Sharpe Ratio Comparison

The current FILSX Sharpe Ratio is 2.64, which is comparable to the FSNLX Sharpe Ratio of 2.57. The chart below compares the historical Sharpe Ratios of FILSX and FSNLX, 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

	FILSX	FSNLX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.64	2.57	+0.07
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.62	0.59	+0.03
Sharpe Ratio (All Time) Calculated using the full available price history	0.83	0.78	+0.05

Drawdowns

FILSX vs. FSNLX - Drawdown Comparison

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

Drawdown Indicators

	FILSX	FSNLX	Difference
Max Drawdown Largest peak-to-trough decline	-20.41%	-20.41%	0.00%
Max Drawdown (1Y) Largest decline over 1 year	-4.69%	-4.70%	+0.01%
Max Drawdown (3Y) Largest decline over 3 years	-6.68%	-6.76%	+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	-3.96%	-4.06%	+0.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.06%	1.06%	0.00%

Volatility

FILSX vs. FSNLX - Volatility Comparison

Fidelity Flex Freedom Blend 2015 Fund (FILSX) and Fidelity Freedom 2015 Fund Class K (FSNLX) have volatilities of 2.24% and 2.21%, 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

	FILSX	FSNLX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.24%	2.21%	+0.03%
Volatility (6M) Calculated over the trailing 6-month period	4.88%	4.94%	-0.06%
Volatility (1Y) Calculated over the trailing 1-year period	5.87%	5.91%	-0.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.64%	7.61%	+0.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.85%	7.88%	-0.03%

FILSX vs. FSNLX - Expense Ratio Comparison

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

Dividends

FILSX vs. FSNLX - Dividend Comparison

FILSX's dividend yield for the trailing twelve months is around 12.20%, more than FSNLX's 6.44% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017
FILSX Fidelity Flex Freedom Blend 2015 Fund	12.20%	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	6.44%	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 FILSX and FSNLX in my portfolio?

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

FILSX has higher volatility (2.24%) compared to FSNLX (2.21%). In terms of maximum drawdown, FILSX dropped -20.41% vs FSNLX's -20.41%.

Which has better risk-adjusted returns?

FILSX currently has the higher Sharpe Ratio (2.64 vs 2.57), 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.