FIKPX vs. FXNAX

Last updated Jun 5, 2026

FIKPX (Fidelity Advisor Government Income Fund Class Z) and FXNAX (Fidelity U.S. Bond Index Fund) are both mutual funds - FIKPX is a Government Bonds fund managed by Fidelity, while FXNAX is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Bond Index. Over the past 5 years, FIKPX returned -0.46%/yr vs 0.02%/yr for FXNAX. With a 0.96 correlation, they move nearly in lockstep. FIKPX charges 0.36%/yr vs 0.03%/yr for FXNAX.

Performance

FIKPX vs. FXNAX - Performance Comparison

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

Returns By Period

In the year-to-date period, FIKPX achieves a 0.26% return, which is significantly higher than FXNAX's 0.21% return.

FIKPX

• 1D: -0.11%
• 1M: 0.10%
• YTD: 0.26%
• 6M: 0.29%
• 1Y: 4.07%
• 3Y*: 3.15%
• 5Y*: -0.46%
• 10Y*: —

FXNAX

• 1D: -0.19%
• 1M: 0.13%
• YTD: 0.21%
• 6M: 0.33%
• 1Y: 4.56%
• 3Y*: 3.95%
• 5Y*: 0.02%
• 10Y*: 1.49%

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

FIKPX vs. FXNAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FIKPX Fidelity Advisor Government Income Fund Class Z	0.26%	6.66%	0.72%	3.93%	-13.01%	-2.17%	6.88%	6.50%	3.03%
FXNAX Fidelity U.S. Bond Index Fund	0.21%	7.14%	1.35%	5.82%	-13.55%	-2.10%	7.63%	8.50%	2.64%

Correlation

The correlation between FIKPX and FXNAX is 0.95 - 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	0.95
Correlation (3Y) Calculated over the trailing 3-year period	0.97
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (All Time) Calculated using the full available price history since Oct 18, 2018	0.96

The correlation between FIKPX and FXNAX has been stable across timeframes, ranging from 0.95 to 0.98 - a consistent structural relationship.

Return for Risk

FIKPX vs. FXNAX — Risk / Return Rank

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

FIKPX

FIKPX Risk / Return Rank: 19
FIKPX Sharpe Ratio Rank: 19
FIKPX Sortino Ratio Rank: 20
FIKPX Omega Ratio Rank: 18
FIKPX Calmar Ratio Rank: 20
FIKPX Martin Ratio Rank: 18

FXNAX

FXNAX Risk / Return Rank: 21
FXNAX Sharpe Ratio Rank: 21
FXNAX Sortino Ratio Rank: 22
FXNAX Omega Ratio Rank: 19
FXNAX Calmar Ratio Rank: 23
FXNAX Martin Ratio Rank: 20

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.

FIKPX vs. FXNAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Government Income Fund Class Z (FIKPX) 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.

	FIKPX	FXNAX	Difference
Sharpe ratio: Return per unit of total volatility	1.22	1.31	-0.09
Sortino ratio: Return per unit of downside risk	1.82	1.98	-0.15
Omega ratio: Gain probability vs. loss probability	1.21	1.23	-0.02
Calmar ratio: Return relative to maximum drawdown	1.59	1.76	-0.17
Martin ratio: Return relative to average drawdown	4.79	5.37	-0.58
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FIKPX vs. FXNAX - Sharpe Ratio Comparison

The current FIKPX Sharpe Ratio is 1.22, which is comparable to the FXNAX Sharpe Ratio of 1.31. The chart below compares the historical Sharpe Ratios of FIKPX and FXNAX, 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

	FIKPX	FXNAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.22	1.31	-0.09
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.08	0.00	-0.08
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.30	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.27	0.45	-0.19

Drawdowns

FIKPX vs. FXNAX - Drawdown Comparison

The maximum FIKPX drawdown since its inception was -19.71%, roughly equal to the maximum FXNAX drawdown of -19.51%. Use the drawdown chart below to compare losses from any high point for FIKPX and FXNAX.

Drawdown Indicators

	FIKPX	FXNAX	Difference
Max Drawdown Largest peak-to-trough decline	-19.71%	-19.51%	-0.20%
Max Drawdown (1Y) Largest decline over 1 year	-2.93%	-2.94%	+0.01%
Max Drawdown (3Y) Largest decline over 3 years	-6.30%	-6.16%	-0.14%
Max Drawdown (5Y) Largest decline over 5 years	-17.91%	-18.54%	+0.63%
Max Drawdown (10Y) Largest decline over 10 years	—	-19.51%	—
Current Drawdown Current decline from peak	-6.16%	-3.07%	-3.09%
Average Drawdown Average peak-to-trough decline	-7.42%	-3.87%	-3.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.97%	0.97%	0.00%

Volatility

FIKPX vs. FXNAX - Volatility Comparison

The current volatility for Fidelity Advisor Government Income Fund Class Z (FIKPX) is 1.21%, while Fidelity U.S. Bond Index Fund (FXNAX) has a volatility of 1.37%. This indicates that FIKPX experiences smaller price fluctuations and is considered to be less risky than FXNAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FIKPX	FXNAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.21%	1.37%	-0.16%
Volatility (6M) Calculated over the trailing 6-month period	2.62%	2.80%	-0.18%
Volatility (1Y) Calculated over the trailing 1-year period	3.81%	3.96%	-0.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	6.09%	6.07%	+0.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.52%	5.01%	+0.51%

FIKPX vs. FXNAX - Expense Ratio Comparison

FIKPX has a 0.36% expense ratio, which is higher than FXNAX's 0.03% expense ratio.

Dividends

FIKPX vs. FXNAX - Dividend Comparison

FIKPX's dividend yield for the trailing twelve months is around 3.58%, less than FXNAX's 3.71% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FIKPX Fidelity Advisor Government Income Fund Class Z	3.58%	3.46%	3.84%	2.41%	1.19%	0.68%	2.48%	2.19%	0.56%	0.00%	0.00%	0.00%
FXNAX Fidelity U.S. Bond Index Fund	3.71%	3.58%	3.40%	3.15%	1.81%	1.74%	2.92%	2.68%	2.74%	2.57%	2.76%	2.52%

Frequently Asked Questions

Can I hold both FIKPX and FXNAX in my portfolio?

With a correlation of 0.95, FIKPX and FXNAX 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, FIKPX or FXNAX?

FXNAX has higher volatility (1.37%) compared to FIKPX (1.21%). In terms of maximum drawdown, FIKPX dropped -19.71% vs FXNAX's -19.51%.

Which has better risk-adjusted returns?

FXNAX currently has the higher Sharpe Ratio (1.31 vs 1.22), 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.