FSAZX vs. FNILX

Last updated Jun 6, 2026

FSAZX (Fidelity Arizona Municipal Income Fund) and FNILX (Fidelity ZERO Large Cap Index Fund) are both mutual funds - FSAZX is a Municipal Bonds fund managed by Fidelity, while FNILX is a Large Cap Blend Equities fund managed by Fidelity. Over the past 5 years, FSAZX returned 0.94%/yr vs 13.84%/yr for FNILX. At a 0.04 correlation, their price movements are largely independent. FSAZX charges 0.55%/yr vs 0.00%/yr for FNILX.

Performance

FSAZX vs. FNILX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Arizona Municipal Income Fund (FSAZX) 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, FSAZX achieves a 1.39% return, which is significantly lower than FNILX's 11.19% return.

FSAZX

• 1D: 0.09%
• 1M: 0.58%
• YTD: 1.39%
• 6M: 1.79%
• 1Y: 6.97%
• 3Y*: 4.25%
• 5Y*: 0.94%
• 10Y*: 1.99%

FNILX

• 1D: 0.44%
• 1M: 3.75%
• YTD: 11.19%
• 6M: 10.76%
• 1Y: 27.51%
• 3Y*: 22.95%
• 5Y*: 13.84%
• 10Y*: —

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

FSAZX vs. FNILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FSAZX Fidelity Arizona Municipal Income Fund	1.39%	4.96%	2.06%	6.04%	-9.40%	0.88%	4.51%	7.44%	1.68%
FNILX Fidelity ZERO Large Cap Index Fund	11.19%	17.81%	25.47%	27.45%	-19.37%	26.67%	21.13%	31.79%	-13.60%

Correlation

The correlation between FSAZX and FNILX is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.15
Correlation (3Y) Calculated over the trailing 3-year period	0.15
Correlation (5Y) Calculated over the trailing 5-year period	0.12
Correlation (All Time) Calculated using the full available price history since Oct 1, 2018	0.05

The correlation between FSAZX and FNILX shifts across timeframes, from 0.04 (all time) to 0.15 (1 year), reflecting how their relationship changes across market environments.

Return for Risk

FSAZX vs. FNILX — Risk / Return Rank

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

FSAZX

FSAZX Risk / Return Rank: 70
FSAZX Sharpe Ratio Rank: 86
FSAZX Sortino Ratio Rank: 88
FSAZX Omega Ratio Rank: 93
FSAZX Calmar Ratio Rank: 45
FSAZX Martin Ratio Rank: 40

FNILX

FNILX Risk / Return Rank: 69
FNILX Sharpe Ratio Rank: 70
FNILX Sortino Ratio Rank: 62
FNILX Omega Ratio Rank: 63
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.

FSAZX vs. FNILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Arizona Municipal Income Fund (FSAZX) 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.

	FSAZX	FNILX	Difference
Sharpe ratio: Return per unit of total volatility	2.74	2.37	+0.38
Sortino ratio: Return per unit of downside risk	4.17	3.22	+0.95
Omega ratio: Gain probability vs. loss probability	1.71	1.43	+0.28
Calmar ratio: Return relative to maximum drawdown	2.46	3.14	-0.68
Martin ratio: Return relative to average drawdown	8.44	14.36	-5.92
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FSAZX vs. FNILX - Sharpe Ratio Comparison

The current FSAZX Sharpe Ratio is 2.74, which is comparable to the FNILX Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of FSAZX 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

	FSAZX	FNILX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.74	2.37	+0.38
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.26	0.81	-0.54
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.53	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.18	0.76	+0.42

Drawdowns

FSAZX vs. FNILX - Drawdown Comparison

The maximum FSAZX drawdown since its inception was -14.01%, smaller than the maximum FNILX drawdown of -33.76%. Use the drawdown chart below to compare losses from any high point for FSAZX and FNILX.

Drawdown Indicators

	FSAZX	FNILX	Difference
Max Drawdown Largest peak-to-trough decline	-14.01%	-33.76%	+19.75%
Max Drawdown (1Y) Largest decline over 1 year	-2.81%	-9.01%	+6.20%
Max Drawdown (3Y) Largest decline over 3 years	-5.05%	-19.08%	+14.03%
Max Drawdown (5Y) Largest decline over 5 years	-14.01%	-25.40%	+11.39%
Max Drawdown (10Y) Largest decline over 10 years	-14.01%	—	—
Current Drawdown Current decline from peak	-0.42%	-0.33%	-0.09%
Average Drawdown Average peak-to-trough decline	-1.81%	-5.37%	+3.56%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.82%	1.97%	-1.15%

Volatility

FSAZX vs. FNILX - Volatility Comparison

The current volatility for Fidelity Arizona Municipal Income Fund (FSAZX) is 1.03%, while Fidelity ZERO Large Cap Index Fund (FNILX) has a volatility of 2.95%. This indicates that FSAZX 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

	FSAZX	FNILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.03%	2.95%	-1.92%
Volatility (6M) Calculated over the trailing 6-month period	1.96%	9.02%	-7.06%
Volatility (1Y) Calculated over the trailing 1-year period	2.53%	11.95%	-9.42%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.61%	17.24%	-13.63%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.78%	20.03%	-16.25%

FSAZX vs. FNILX - Expense Ratio Comparison

FSAZX has a 0.55% expense ratio, which is higher than FNILX's 0.00% expense ratio.

Dividends

FSAZX vs. FNILX - Dividend Comparison

FSAZX's dividend yield for the trailing twelve months is around 2.66%, more than FNILX's 0.91% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%	0.00%	0.00%	0.00%
FSAZX Fidelity Arizona Municipal Income Fund	2.66%	3.47%	2.82%	2.43%	1.52%	2.00%	2.54%	2.52%	2.55%	3.19%	3.19%	3.73%

Frequently Asked Questions

Can I hold both FSAZX and FNILX in my portfolio?

FSAZX and FNILX have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FSAZX or FNILX?

FNILX has higher volatility (2.95%) compared to FSAZX (1.03%). In terms of maximum drawdown, FSAZX dropped -14.01% vs FNILX's -33.76%.

Which has better risk-adjusted returns?

FSAZX currently has the higher Sharpe Ratio (2.74 vs 2.37), 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.