FKGLX vs. FXNAX

Last updated Apr 2, 2026

Compare and contrast key facts about Fidelity Advisor Freedom 2040 Fund Class Z6 (FKGLX) and Fidelity U.S. Bond Index Fund (FXNAX).

FKGLX is managed by Fidelity. It was launched on Jun 6, 2017. FXNAX is managed by Fidelity.

Performance

FKGLX vs. FXNAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Freedom 2040 Fund Class Z6 (FKGLX) and Fidelity U.S. Bond Index Fund (FXNAX). The values are adjusted to include any dividend payments, if applicable.

FKGLX vs. FXNAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FKGLX Fidelity Advisor Freedom 2040 Fund Class Z6	-0.69%	21.77%	16.27%	19.02%	-17.89%	16.35%	17.80%	27.00%	-8.05%	7.80%
FXNAX Fidelity U.S. Bond Index Fund	-0.26%	7.14%	1.35%	5.82%	-13.55%	-2.10%	7.63%	8.50%	0.04%	0.92%

Returns By Period

In the year-to-date period, FKGLX achieves a -0.69% return, which is significantly lower than FXNAX's -0.26% return.

FKGLX

• 1D: 2.69%
• 1M: -5.32%
• YTD: -0.69%
• 6M: 2.04%
• 1Y: 19.29%
• 3Y*: 16.30%
• 5Y*: 8.41%
• 10Y*: —

FXNAX

• 1D: 0.19%
• 1M: -1.60%
• YTD: -0.26%
• 6M: 0.47%
• 1Y: 3.69%
• 3Y*: 3.52%
• 5Y*: 0.10%
• 10Y*: 1.54%

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

FKGLX vs. FXNAX - Expense Ratio Comparison

FKGLX has a 0.50% expense ratio, which is higher than FXNAX's 0.03% expense ratio.

FKGLX

Fidelity Advisor Freedom 2040 Fund Class Z6

FXNAX

Fidelity U.S. Bond Index Fund

Return for Risk

FKGLX vs. FXNAX — Risk / Return Rank

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

FKGLX

FKGLX Risk / Return Rank: 69
FKGLX Sharpe Ratio Rank: 71
FKGLX Sortino Ratio Rank: 71
FKGLX Omega Ratio Rank: 71
FKGLX Calmar Ratio Rank: 63
FKGLX Martin Ratio Rank: 68

FXNAX

FXNAX Risk / Return Rank: 46
FXNAX Sharpe Ratio Rank: 44
FXNAX Sortino Ratio Rank: 42
FXNAX Omega Ratio Rank: 30
FXNAX Calmar Ratio Rank: 70
FXNAX Martin Ratio Rank: 45

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.

FKGLX vs. FXNAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Freedom 2040 Fund Class Z6 (FKGLX) and Fidelity U.S. Bond Index Fund (FXNAX). 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.

	FKGLX	FXNAX	Difference
Sharpe ratio Return per unit of total volatility	1.38	0.93	+0.46
Sortino ratio Return per unit of downside risk	1.97	1.33	+0.64
Omega ratio Gain probability vs. loss probability	1.30	1.16	+0.14
Calmar ratio Return relative to maximum drawdown	1.77	1.66	+0.11
Martin ratio Return relative to average drawdown	7.81	4.68	+3.13
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FKGLX vs. FXNAX - Sharpe Ratio Comparison

The current FKGLX Sharpe Ratio is 1.38, which is higher than the FXNAX Sharpe Ratio of 0.93. The chart below compares the historical Sharpe Ratios of FKGLX and FXNAX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	FKGLX	FXNAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.38	0.93	+0.46
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.59	0.02	+0.58
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.31	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.66	0.45	+0.21

Correlation

The correlation between FKGLX and FXNAX is 0.05, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

FKGLX vs. FXNAX - Dividend Comparison

FKGLX's dividend yield for the trailing twelve months is around 7.45%, more than FXNAX's 3.34% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FKGLX Fidelity Advisor Freedom 2040 Fund Class Z6	7.45%	7.40%	5.77%	1.58%	11.37%	10.16%	6.18%	7.47%	12.35%	2.66%	0.00%	0.00%
FXNAX Fidelity U.S. Bond Index Fund	3.34%	3.58%	3.40%	3.15%	1.81%	1.74%	2.92%	2.68%	2.74%	2.57%	2.76%	2.52%

Drawdowns

FKGLX vs. FXNAX - Drawdown Comparison

The maximum FKGLX drawdown since its inception was -31.23%, which is greater than FXNAX's maximum drawdown of -19.51%. Use the drawdown chart below to compare losses from any high point for FKGLX and FXNAX.

Drawdown Indicators

	FKGLX	FXNAX	Difference
Max Drawdown Largest peak-to-trough decline	-31.23%	-19.51%	-11.72%
Max Drawdown (1Y) Largest decline over 1 year	-10.28%	-2.71%	-7.57%
Max Drawdown (5Y) Largest decline over 5 years	-27.05%	-18.54%	-8.51%
Max Drawdown (10Y) Largest decline over 10 years	—	-19.51%	—
Current Drawdown Current decline from peak	-6.36%	-3.53%	-2.83%
Average Drawdown Average peak-to-trough decline	-5.52%	-3.87%	-1.65%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.33%	0.96%	+1.37%

Volatility

FKGLX vs. FXNAX - Volatility Comparison

Fidelity Advisor Freedom 2040 Fund Class Z6 (FKGLX) has a higher volatility of 5.87% compared to Fidelity U.S. Bond Index Fund (FXNAX) at 1.55%. This indicates that FKGLX's price experiences larger fluctuations and is considered to be riskier than FXNAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FKGLX	FXNAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.87%	1.55%	+4.32%
Volatility (6M) Calculated over the trailing 6-month period	8.83%	2.58%	+6.25%
Volatility (1Y) Calculated over the trailing 1-year period	14.52%	4.35%	+10.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	14.26%	6.04%	+8.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.74%	4.99%	+10.75%