FABLX vs. FXAIX

Last updated Jul 25, 2026

FABLX (Fidelity Advisor Balanced Fund Class A) and FXAIX (Fidelity 500 Index Fund) are both mutual funds - FABLX is a Diversified Portfolio fund actively managed by Fidelity, while FXAIX is a S&P 500 fund tracking the S&P 500 Index. FABLX is actively managed, while FXAIX is passively managed. Their correlation of 0.91 suggests significant overlap in exposure. FABLX charges 0.82%/yr vs 0.02%/yr for FXAIX.

Performance

FABLX vs. FXAIX - Performance Comparison

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

Returns By Period

FABLX

• 1D: —
• 1M: —
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

FXAIX

• 1D: -1.21%
• 1M: 0.74%
• 6M: 7.73%
• YTD: 8.91%
• 1Y: 17.80%
• 3Y*: 19.18%
• 5Y*: 12.51%
• 10Y*: 14.97%
• ALL TIME*: 13.87%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
FXAIX Fidelity 500 Index Fund	$0.00	$0.00	$0.00

FABLX vs. FXAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FABLX Fidelity Advisor Balanced Fund Class A	0.00%	0.00%	14.56%	21.21%	-18.52%	17.88%	22.13%	23.76%	-4.42%	15.75%
FXAIX Fidelity 500 Index Fund	8.91%	17.84%	25.01%	26.29%	-18.14%	28.71%	18.42%	31.48%	-4.43%	21.82%

Correlation

The correlation between FABLX and FXAIX is 0.91, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (3Y) Calculated over the trailing 3-year period	0.55
Correlation (5Y) Calculated over the trailing 5-year period	0.78
Correlation (10Y) Calculated over the trailing 10-year period	0.87
Correlation (All Time) Calculated using the full available price history since May 4, 2011	0.91

The correlation between FABLX and FXAIX shifts across timeframes, from 0.55 (3 years) to 0.91 (all time), reflecting how their relationship changes across market environments.

Return for Risk

FABLX vs. FXAIX — Risk / Return Rank

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

FABLX

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

FXAIX

FXAIX Risk / Return Rank: 48
FXAIX Sharpe Ratio Rank: 46
FXAIX Sortino Ratio Rank: 43
FXAIX Omega Ratio Rank: 45
FXAIX Calmar Ratio Rank: 49
FXAIX Martin Ratio Rank: 60

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.

FABLX vs. FXAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Balanced Fund Class A (FABLX) 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	FABLX	FXAIX	Difference
Sharpe ratio: Return per unit of total volatility	—	1.42	—
Sortino ratio: Return per unit of downside risk	—	1.98	—
Omega ratio: Gain probability vs. loss probability	—	1.26	—
Calmar ratio: Return relative to maximum drawdown	—	2.02	—
Martin ratio: Return relative to average drawdown	—	8.78	—

Drawdowns

Drawdown Indicators

	FABLX	FXAIX	Difference
Max Drawdown Largest peak-to-trough decline	—	-33.79%	—
Max Drawdown (1Y) Largest decline over 1 year	—	-8.89%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-18.76%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-24.50%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.79%	—
Current Drawdown Current decline from peak	—	-2.50%	—
Average Drawdown Average peak-to-trough decline	—	-3.77%	—
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.04%	—

Volatility

Volatility by Period

	FABLX	FXAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	2.94%	—
Volatility (6M) Calculated over the trailing 6-month period	—	9.87%	—
Volatility (1Y) Calculated over the trailing 1-year period	—	12.69%	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	—	17.00%	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	—	18.06%	—

FABLX vs. FXAIX - Expense Ratio Comparison

FABLX has a 0.82% expense ratio, which is higher than FXAIX's 0.02% expense ratio.

Dividends

FABLX vs. FXAIX - Dividend Comparison

FABLX has not paid dividends to shareholders, while FXAIX's dividend yield for the trailing twelve months is around 1.07%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FABLX Fidelity Advisor Balanced Fund Class A	0.00%	0.00%	3.87%	1.48%	5.38%	6.92%	4.31%	2.86%	7.72%	6.16%	1.64%	5.17%
FXAIX Fidelity 500 Index Fund	1.07%	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 FABLX and FXAIX in my portfolio?

With a correlation of 0.91, FABLX and FXAIX 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.