FIKUX vs. FXNAX
Compare and contrast key facts about Fidelity Advisor Mortgage Securities Fund Class Z (FIKUX) and Fidelity U.S. Bond Index Fund (FXNAX).
FIKUX is managed by Fidelity. It was launched on Oct 2, 2018. FXNAX is managed by Fidelity.
Performance
FIKUX vs. FXNAX - Performance Comparison
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FIKUX vs. FXNAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
FIKUX Fidelity Advisor Mortgage Securities Fund Class Z | 0.11% | 8.40% | 1.22% | 4.69% | -12.59% | -1.15% | 4.61% | 6.42% | 2.85% |
FXNAX Fidelity U.S. Bond Index Fund | -0.26% | 7.14% | 1.35% | 5.82% | -13.55% | -2.10% | 7.63% | 8.50% | 2.64% |
Returns By Period
In the year-to-date period, FIKUX achieves a 0.11% return, which is significantly higher than FXNAX's -0.26% return.
FIKUX
- 1D
- 0.10%
- 1M
- -1.49%
- YTD
- 0.11%
- 6M
- 1.41%
- 1Y
- 4.84%
- 3Y*
- 3.92%
- 5Y*
- 0.10%
- 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%
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FIKUX vs. FXNAX - Expense Ratio Comparison
FIKUX has a 0.36% expense ratio, which is higher than FXNAX's 0.03% expense ratio.
Return for Risk
FIKUX vs. FXNAX — Risk / Return Rank
FIKUX
FXNAX
FIKUX vs. FXNAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Mortgage Securities Fund Class Z (FIKUX) 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.
| FIKUX | FXNAX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.13 | 0.93 | +0.20 |
Sortino ratioReturn per unit of downside risk | 1.62 | 1.33 | +0.28 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.16 | +0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.92 | 1.66 | +0.26 |
Martin ratioReturn relative to average drawdown | 5.42 | 4.68 | +0.74 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| FIKUX | FXNAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.13 | 0.93 | +0.20 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.02 | 0.02 | 0.00 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.31 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.30 | 0.45 | -0.14 |
Correlation
The correlation between FIKUX and FXNAX is 0.90, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
FIKUX vs. FXNAX - Dividend Comparison
FIKUX's dividend yield for the trailing twelve months is around 3.69%, more than FXNAX's 3.34% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FIKUX Fidelity Advisor Mortgage Securities Fund Class Z | 3.69% | 4.01% | 4.24% | 3.31% | 1.49% | 0.68% | 2.50% | 2.69% | 0.67% | 0.00% | 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
FIKUX vs. FXNAX - Drawdown Comparison
The maximum FIKUX drawdown since its inception was -18.63%, roughly equal to the maximum FXNAX drawdown of -19.51%. Use the drawdown chart below to compare losses from any high point for FIKUX and FXNAX.
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Drawdown Indicators
| FIKUX | FXNAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.63% | -19.51% | +0.88% |
Max Drawdown (1Y)Largest decline over 1 year | -3.00% | -2.71% | -0.29% |
Max Drawdown (5Y)Largest decline over 5 years | -18.50% | -18.54% | +0.04% |
Max Drawdown (10Y)Largest decline over 10 years | — | -19.51% | — |
Current DrawdownCurrent decline from peak | -1.97% | -3.53% | +1.56% |
Average DrawdownAverage peak-to-trough decline | -5.13% | -3.87% | -1.26% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.06% | 0.96% | +0.10% |
Volatility
FIKUX vs. FXNAX - Volatility Comparison
Fidelity Advisor Mortgage Securities Fund Class Z (FIKUX) has a higher volatility of 1.65% compared to Fidelity U.S. Bond Index Fund (FXNAX) at 1.55%. This indicates that FIKUX'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.
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Volatility by Period
| FIKUX | FXNAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.65% | 1.55% | +0.10% |
Volatility (6M)Calculated over the trailing 6-month period | 2.67% | 2.58% | +0.09% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.69% | 4.35% | +0.34% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.77% | 6.04% | +0.73% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.75% | 4.99% | +0.76% |