FIDLX vs. FXAIX

Last updated Apr 1, 2026

Compare and contrast key facts about Fidelity Advisor Large Cap Fund Class Z (FIDLX) and Fidelity 500 Index Fund (FXAIX).

FIDLX is managed by Fidelity. It was launched on Feb 1, 2017. 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

FIDLX vs. FXAIX - Performance Comparison

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

FIDLX vs. FXAIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FIDLX Fidelity Advisor Large Cap Fund Class Z	0.00%	19.77%	26.52%	23.65%	-7.81%	25.99%	8.97%	31.90%	-8.31%	13.58%
FXAIX Fidelity 500 Index Fund	-7.05%	17.84%	25.01%	26.29%	-18.14%	28.71%	18.42%	31.48%	-4.43%	17.95%

Returns By Period

FIDLX

• 1D: 0.00%
• 1M: 0.00%
• YTD: 0.00%
• 6M: -1.11%
• 1Y: 22.64%
• 3Y*: 20.71%
• 5Y*: 14.15%
• 10Y*: —

FXAIX

• 1D: -0.39%
• 1M: -7.68%
• YTD: -7.05%
• 6M: -4.59%
• 1Y: 14.42%
• 3Y*: 17.17%
• 5Y*: 11.40%
• 10Y*: 13.75%

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

FIDLX vs. FXAIX - Expense Ratio Comparison

FIDLX has a 0.42% expense ratio, which is higher than FXAIX's 0.02% expense ratio.

FIDLX

Fidelity Advisor Large Cap Fund Class Z

FXAIX

Fidelity 500 Index Fund

Return for Risk

FIDLX vs. FXAIX — Risk / Return Rank

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

FIDLX

FIDLX Risk / Return Rank: 70
FIDLX Sharpe Ratio Rank: 81
FIDLX Sortino Ratio Rank: 83
FIDLX Omega Ratio Rank: 93
FIDLX Calmar Ratio Rank: 47
FIDLX Martin Ratio Rank: 48

FXAIX

FXAIX Risk / Return Rank: 46
FXAIX Sharpe Ratio Rank: 41
FXAIX Sortino Ratio Rank: 45
FXAIX Omega Ratio Rank: 50
FXAIX Calmar Ratio Rank: 41
FXAIX Martin Ratio Rank: 53

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.

FIDLX vs. FXAIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Large Cap Fund Class Z (FIDLX) 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.

	FIDLX	FXAIX	Difference
Sharpe ratio Return per unit of total volatility	1.48	0.84	+0.64
Sortino ratio Return per unit of downside risk	2.10	1.30	+0.81
Omega ratio Gain probability vs. loss probability	1.46	1.20	+0.26
Calmar ratio Return relative to maximum drawdown	1.16	1.05	+0.11
Martin ratio Return relative to average drawdown	4.73	5.13	-0.40
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FIDLX vs. FXAIX - Sharpe Ratio Comparison

The current FIDLX Sharpe Ratio is 1.48, which is higher than the FXAIX Sharpe Ratio of 0.84. The chart below compares the historical Sharpe Ratios of FIDLX and FXAIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	FIDLX	FXAIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.48	0.84	+0.64
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.87	0.68	+0.20
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.77	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.73	0.75	-0.02

Correlation

The correlation between FIDLX and FXAIX 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

FIDLX vs. FXAIX - Dividend Comparison

FIDLX's dividend yield for the trailing twelve months is around 5.87%, more than FXAIX's 1.20% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FIDLX Fidelity Advisor Large Cap Fund Class Z	5.87%	5.87%	6.23%	3.56%	2.42%	6.64%	5.53%	8.55%	17.01%	6.13%	0.00%	0.00%
FXAIX Fidelity 500 Index Fund	1.20%	1.11%	1.25%	1.45%	1.69%	1.22%	1.60%	2.06%	2.72%	1.97%	2.52%	2.83%

Drawdowns

FIDLX vs. FXAIX - Drawdown Comparison

The maximum FIDLX drawdown since its inception was -37.51%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for FIDLX and FXAIX.

Drawdown Indicators

	FIDLX	FXAIX	Difference
Max Drawdown Largest peak-to-trough decline	-37.51%	-33.79%	-3.72%
Max Drawdown (1Y) Largest decline over 1 year	-12.28%	-12.13%	-0.15%
Max Drawdown (5Y) Largest decline over 5 years	-21.42%	-24.50%	+3.08%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.79%	—
Current Drawdown Current decline from peak	-4.17%	-8.89%	+4.72%
Average Drawdown Average peak-to-trough decline	-4.55%	-3.83%	-0.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.90%	2.50%	+1.40%

Volatility

FIDLX vs. FXAIX - Volatility Comparison

The current volatility for Fidelity Advisor Large Cap Fund Class Z (FIDLX) is 0.00%, while Fidelity 500 Index Fund (FXAIX) has a volatility of 4.24%. This indicates that FIDLX 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

	FIDLX	FXAIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.00%	4.24%	-4.24%
Volatility (6M) Calculated over the trailing 6-month period	5.87%	9.08%	-3.21%
Volatility (1Y) Calculated over the trailing 1-year period	17.17%	18.13%	-0.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.54%	16.88%	-0.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.07%	18.03%	+1.04%