FIKUX vs. FXAIX
Compare and contrast key facts about Fidelity Advisor Mortgage Securities Fund Class Z (FIKUX) and Fidelity 500 Index Fund (FXAIX).
FIKUX is managed by Fidelity. It was launched on Oct 2, 2018. FXAIX is a passively managed fund by Fidelity that tracks the performance of the S&P 500 Index. It was launched on Feb 17, 1988.
Performance
FIKUX vs. FXAIX - Performance Comparison
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FIKUX vs. FXAIX - 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% |
FXAIX Fidelity 500 Index Fund | -4.34% | 17.84% | 25.01% | 26.29% | -18.14% | 28.71% | 18.42% | 31.48% | -10.39% |
Returns By Period
In the year-to-date period, FIKUX achieves a 0.11% return, which is significantly higher than FXAIX's -4.34% return.
FIKUX
- 1D
- 0.10%
- 1M
- -1.49%
- YTD
- 0.11%
- 6M
- 1.41%
- 1Y
- 4.84%
- 3Y*
- 3.92%
- 5Y*
- 0.10%
- 10Y*
- —
FXAIX
- 1D
- 2.92%
- 1M
- -5.02%
- YTD
- -4.34%
- 6M
- -2.14%
- 1Y
- 17.32%
- 3Y*
- 18.30%
- 5Y*
- 11.79%
- 10Y*
- 14.08%
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FIKUX vs. FXAIX - Expense Ratio Comparison
FIKUX has a 0.36% expense ratio, which is higher than FXAIX's 0.02% expense ratio.
Return for Risk
FIKUX vs. FXAIX — Risk / Return Rank
FIKUX
FXAIX
FIKUX vs. FXAIX - 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 500 Index Fund (FXAIX). 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 | FXAIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.13 | 0.97 | +0.16 |
Sortino ratioReturn per unit of downside risk | 1.62 | 1.49 | +0.13 |
Omega ratioGain probability vs. loss probability | 1.21 | 1.23 | -0.02 |
Calmar ratioReturn relative to maximum drawdown | 1.92 | 1.52 | +0.40 |
Martin ratioReturn relative to average drawdown | 5.42 | 7.30 | -1.88 |
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 | FXAIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.13 | 0.97 | +0.16 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.02 | 0.70 | -0.68 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.78 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.30 | 0.76 | -0.46 |
Correlation
The correlation between FIKUX and FXAIX is 0.09, 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
FIKUX vs. FXAIX - Dividend Comparison
FIKUX's dividend yield for the trailing twelve months is around 3.69%, more than FXAIX's 1.16% 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% |
FXAIX Fidelity 500 Index Fund | 1.16% | 1.11% | 1.25% | 1.45% | 1.69% | 1.22% | 1.60% | 2.06% | 2.72% | 1.97% | 2.52% | 2.83% |
Drawdowns
FIKUX vs. FXAIX - Drawdown Comparison
The maximum FIKUX drawdown since its inception was -18.63%, smaller than the maximum FXAIX drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for FIKUX and FXAIX.
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Drawdown Indicators
| FIKUX | FXAIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.63% | -33.79% | +15.16% |
Max Drawdown (1Y)Largest decline over 1 year | -3.00% | -12.13% | +9.13% |
Max Drawdown (5Y)Largest decline over 5 years | -18.50% | -24.50% | +6.00% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.79% | — |
Current DrawdownCurrent decline from peak | -1.97% | -6.23% | +4.26% |
Average DrawdownAverage peak-to-trough decline | -5.13% | -3.83% | -1.30% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.06% | 2.53% | -1.47% |
Volatility
FIKUX vs. FXAIX - Volatility Comparison
The current volatility for Fidelity Advisor Mortgage Securities Fund Class Z (FIKUX) is 1.65%, while Fidelity 500 Index Fund (FXAIX) has a volatility of 5.34%. This indicates that FIKUX experiences smaller price fluctuations and is considered to be less risky than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FIKUX | FXAIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.65% | 5.34% | -3.69% |
Volatility (6M)Calculated over the trailing 6-month period | 2.67% | 9.53% | -6.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.69% | 18.32% | -13.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.77% | 16.92% | -10.15% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.75% | 18.05% | -12.30% |