FBAOX vs. FNILX

Last updated Jun 4, 2026

FBAOX (Fidelity Advisor Balanced Fund Class A) and FNILX (Fidelity ZERO Large Cap Index Fund) are both mutual funds - FBAOX is a Diversified Portfolio fund actively managed by Fidelity, while FNILX is a Large Cap Blend Equities fund managed by Fidelity. Over the past year, FBAOX returned 24.56% vs 28.65% for FNILX. Their correlation of 0.95 suggests significant overlap in exposure. FBAOX charges 0.76%/yr vs 0.00%/yr for FNILX.

Performance

FBAOX vs. FNILX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Balanced Fund Class A (FBAOX) and Fidelity ZERO Large Cap Index Fund (FNILX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FBAOX achieves a 10.13% return, which is significantly lower than FNILX's 11.56% return.

FBAOX

• 1D: 0.20%
• 1M: 4.01%
• YTD: 10.13%
• 6M: 10.35%
• 1Y: 24.56%
• 3Y*: —
• 5Y*: —
• 10Y*: —

FNILX

• 1D: 0.26%
• 1M: 6.04%
• YTD: 11.56%
• 6M: 11.44%
• 1Y: 28.65%
• 3Y*: 23.01%
• 5Y*: 14.13%
• 10Y*: —

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

FBAOX vs. FNILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024
FBAOX Fidelity Advisor Balanced Fund Class A	10.13%	14.81%	4.65%
FNILX Fidelity ZERO Large Cap Index Fund	11.56%	17.81%	3.84%

Correlation

The correlation between FBAOX and FNILX is 0.97 - 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	0.97
Correlation (All Time) Calculated using the full available price history since Oct 2, 2024	0.95

The correlation between FBAOX and FNILX has been stable across timeframes, ranging from 0.95 to 0.97 - a consistent structural relationship.

Return for Risk

FBAOX vs. FNILX — Risk / Return Rank

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

FBAOX

FBAOX Risk / Return Rank: 86
FBAOX Sharpe Ratio Rank: 88
FBAOX Sortino Ratio Rank: 85
FBAOX Omega Ratio Rank: 83
FBAOX Calmar Ratio Rank: 83
FBAOX Martin Ratio Rank: 91

FNILX

FNILX Risk / Return Rank: 71
FNILX Sharpe Ratio Rank: 73
FNILX Sortino Ratio Rank: 65
FNILX Omega Ratio Rank: 64
FNILX Calmar Ratio Rank: 72
FNILX Martin Ratio Rank: 80

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.

FBAOX vs. FNILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Balanced Fund Class A (FBAOX) and Fidelity ZERO Large Cap Index Fund (FNILX). 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.

	FBAOX	FNILX	Difference
Sharpe ratio: Return per unit of total volatility	2.93	2.48	+0.45
Sortino ratio: Return per unit of downside risk	4.12	3.36	+0.76
Omega ratio: Gain probability vs. loss probability	1.56	1.45	+0.11
Calmar ratio: Return relative to maximum drawdown	3.88	3.28	+0.59
Martin ratio: Return relative to average drawdown	18.55	15.01	+3.54
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FBAOX vs. FNILX - Sharpe Ratio Comparison

The current FBAOX Sharpe Ratio is 2.93, which is comparable to the FNILX Sharpe Ratio of 2.48. The chart below compares the historical Sharpe Ratios of FBAOX and FNILX, 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

	FBAOX	FNILX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.93	2.48	+0.45
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.82	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.60	0.76	+0.84

Drawdowns

FBAOX vs. FNILX - Drawdown Comparison

The maximum FBAOX drawdown since its inception was -12.61%, smaller than the maximum FNILX drawdown of -33.76%. Use the drawdown chart below to compare losses from any high point for FBAOX and FNILX.

Drawdown Indicators

	FBAOX	FNILX	Difference
Max Drawdown Largest peak-to-trough decline	-12.61%	-33.76%	+21.15%
Max Drawdown (1Y) Largest decline over 1 year	-6.48%	-9.01%	+2.53%
Max Drawdown (3Y) Largest decline over 3 years	—	-19.08%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-25.40%	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-1.47%	-5.37%	+3.90%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.35%	1.97%	-0.62%

Volatility

FBAOX vs. FNILX - Volatility Comparison

The current volatility for Fidelity Advisor Balanced Fund Class A (FBAOX) is 2.59%, while Fidelity ZERO Large Cap Index Fund (FNILX) has a volatility of 2.88%. This indicates that FBAOX experiences smaller price fluctuations and is considered to be less risky than FNILX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FBAOX	FNILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.59%	2.88%	-0.29%
Volatility (6M) Calculated over the trailing 6-month period	6.80%	8.99%	-2.19%
Volatility (1Y) Calculated over the trailing 1-year period	8.57%	11.93%	-3.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.51%	17.25%	-5.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.51%	20.04%	-8.53%

FBAOX vs. FNILX - Expense Ratio Comparison

FBAOX has a 0.76% expense ratio, which is higher than FNILX's 0.00% expense ratio.

Dividends

FBAOX vs. FNILX - Dividend Comparison

FBAOX's dividend yield for the trailing twelve months is around 4.88%, more than FNILX's 0.91% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
FBAOX Fidelity Advisor Balanced Fund Class A	4.88%	5.40%	6.01%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
FNILX Fidelity ZERO Large Cap Index Fund	0.91%	1.01%	1.09%	1.34%	1.53%	0.95%	1.20%	1.17%	0.53%

Frequently Asked Questions

Can I hold both FBAOX and FNILX in my portfolio?

With a correlation of 0.97, FBAOX and FNILX 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, FBAOX or FNILX?

FNILX has higher volatility (2.88%) compared to FBAOX (2.59%). In terms of maximum drawdown, FBAOX dropped -12.61% vs FNILX's -33.76%.

Which has better risk-adjusted returns?

FBAOX currently has the higher Sharpe Ratio (2.93 vs 2.48), 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.