FIWBX vs. FXAIX

Last updated Jun 4, 2026

FIWBX (Fidelity Advisor Multi-Asset Income Fund Class Z) and FXAIX (Fidelity 500 Index Fund) are both mutual funds - FIWBX is a Diversified Portfolio fund managed by Fidelity, while FXAIX is a S&P 500 fund tracking the S&P 500 Index. Over the past 5 years, FIWBX returned 6.53%/yr vs 14.28%/yr for FXAIX. Their correlation of 0.84 suggests significant overlap in exposure. FIWBX charges 0.71%/yr vs 0.02%/yr for FXAIX.

Performance

FIWBX vs. FXAIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Multi-Asset Income Fund Class Z (FIWBX) and Fidelity 500 Index Fund (FXAIX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FIWBX achieves a 8.48% return, which is significantly lower than FXAIX's 11.71% return.

FIWBX

• 1D: -0.42%
• 1M: 0.99%
• YTD: 8.48%
• 6M: 7.72%
• 1Y: 21.05%
• 3Y*: 13.10%
• 5Y*: 6.53%
• 10Y*: —

FXAIX

• 1D: 0.13%
• 1M: 5.80%
• YTD: 11.71%
• 6M: 11.74%
• 1Y: 28.99%
• 3Y*: 22.75%
• 5Y*: 14.28%
• 10Y*: 15.66%

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

FIWBX vs. FXAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FIWBX Fidelity Advisor Multi-Asset Income Fund Class Z	8.48%	14.25%	9.95%	11.84%	-13.62%	17.34%	16.66%	23.26%	-2.96%
FXAIX Fidelity 500 Index Fund	11.71%	17.84%	25.01%	26.29%	-18.14%	28.71%	18.42%	31.48%	-10.39%

Correlation

The correlation between FIWBX and FXAIX is 0.78, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.78
Correlation (3Y) Calculated over the trailing 3-year period	0.78
Correlation (5Y) Calculated over the trailing 5-year period	0.80
Correlation (All Time) Calculated using the full available price history since Oct 18, 2018	0.84

The correlation between FIWBX and FXAIX has been stable across timeframes, ranging from 0.78 to 0.84 - a consistent structural relationship.

Return for Risk

FIWBX vs. FXAIX — Risk / Return Rank

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

FIWBX

FIWBX Risk / Return Rank: 58
FIWBX Sharpe Ratio Rank: 55
FIWBX Sortino Ratio Rank: 50
FIWBX Omega Ratio Rank: 51
FIWBX Calmar Ratio Rank: 75
FIWBX Martin Ratio Rank: 59

FXAIX

FXAIX Risk / Return Rank: 73
FXAIX Sharpe Ratio Rank: 76
FXAIX Sortino Ratio Rank: 67
FXAIX Omega Ratio Rank: 67
FXAIX Calmar Ratio Rank: 74
FXAIX Martin Ratio Rank: 83

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.

FIWBX vs. FXAIX - Risk-Adjusted Trends Comparison

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

	FIWBX	FXAIX	Difference
Sharpe ratio: Return per unit of total volatility	2.21	2.52	-0.31
Sortino ratio: Return per unit of downside risk	3.01	3.42	-0.42
Omega ratio: Gain probability vs. loss probability	1.40	1.46	-0.06
Calmar ratio: Return relative to maximum drawdown	3.37	3.36	+0.01
Martin ratio: Return relative to average drawdown	11.74	15.70	-3.96
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FIWBX vs. FXAIX - Sharpe Ratio Comparison

The current FIWBX Sharpe Ratio is 2.21, which is comparable to the FXAIX Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of FIWBX and FXAIX, 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

	FIWBX	FXAIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.21	2.52	-0.31
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.67	0.85	-0.18
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.87	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.97	0.82	+0.15

Drawdowns

FIWBX vs. FXAIX - Drawdown Comparison

The maximum FIWBX drawdown since its inception was -21.63%, smaller than the maximum FXAIX drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for FIWBX and FXAIX.

Drawdown Indicators

	FIWBX	FXAIX	Difference
Max Drawdown Largest peak-to-trough decline	-21.63%	-33.79%	+12.16%
Max Drawdown (1Y) Largest decline over 1 year	-6.47%	-8.89%	+2.42%
Max Drawdown (3Y) Largest decline over 3 years	-13.15%	-18.76%	+5.61%
Max Drawdown (5Y) Largest decline over 5 years	-18.08%	-24.50%	+6.42%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.79%	—
Current Drawdown Current decline from peak	-0.70%	0.00%	-0.70%
Average Drawdown Average peak-to-trough decline	-4.01%	-3.79%	-0.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.86%	1.90%	-0.04%

Volatility

FIWBX vs. FXAIX - Volatility Comparison

The current volatility for Fidelity Advisor Multi-Asset Income Fund Class Z (FIWBX) is 2.48%, while Fidelity 500 Index Fund (FXAIX) has a volatility of 2.83%. This indicates that FIWBX 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.

Volatility by Period

	FIWBX	FXAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.48%	2.83%	-0.35%
Volatility (6M) Calculated over the trailing 6-month period	7.41%	8.97%	-1.56%
Volatility (1Y) Calculated over the trailing 1-year period	9.88%	11.86%	-1.98%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.81%	16.91%	-7.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.93%	18.07%	-7.14%

FIWBX vs. FXAIX - Expense Ratio Comparison

FIWBX has a 0.71% expense ratio, which is higher than FXAIX's 0.02% expense ratio.

Dividends

FIWBX vs. FXAIX - Dividend Comparison

FIWBX's dividend yield for the trailing twelve months is around 3.52%, more than FXAIX's 1.03% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FIWBX Fidelity Advisor Multi-Asset Income Fund Class Z	3.52%	3.86%	3.91%	4.31%	3.80%	2.87%	3.48%	2.91%	1.00%	0.00%	0.00%	0.00%
FXAIX Fidelity 500 Index Fund	1.03%	1.11%	1.25%	1.45%	1.69%	1.22%	1.60%	2.06%	2.72%	1.97%	2.52%	2.83%

Frequently Asked Questions

Can I hold both FIWBX and FXAIX in my portfolio?

FIWBX and FXAIX have a correlation of 0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FIWBX or FXAIX?

FXAIX has higher volatility (2.83%) compared to FIWBX (2.48%). In terms of maximum drawdown, FIWBX dropped -21.63% vs FXAIX's -33.79%.

Which has better risk-adjusted returns?

FXAIX currently has the higher Sharpe Ratio (2.52 vs 2.21), 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.