FZAMX vs. FZILX

Last updated Jun 3, 2026

FZAMX (Fidelity Advisor Mid Cap II Fund Class Z) and FZILX (Fidelity ZERO International Index Fund) are both mutual funds - FZAMX is a Mid Cap Blend Equities fund managed by Fidelity, while FZILX is a Large Cap Blend Equities fund managed by Fidelity. Over the past 5 years, FZAMX returned 10.77%/yr vs 9.13%/yr for FZILX. A 0.77 correlation means they provide meaningful diversification when combined. FZAMX charges 0.61%/yr vs 0.00%/yr for FZILX.

Performance

FZAMX vs. FZILX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Mid Cap II Fund Class Z (FZAMX) and Fidelity ZERO International Index Fund (FZILX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FZAMX achieves a 19.86% return, which is significantly higher than FZILX's 15.48% return.

FZAMX

• 1D: 0.17%
• 1M: 2.37%
• YTD: 19.86%
• 6M: 22.36%
• 1Y: 38.12%
• 3Y*: 20.62%
• 5Y*: 10.77%
• 10Y*: 12.22%

FZILX

• 1D: 0.53%
• 1M: 5.00%
• YTD: 15.48%
• 6M: 18.76%
• 1Y: 33.05%
• 3Y*: 20.34%
• 5Y*: 9.13%
• 10Y*: —

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

FZAMX vs. FZILX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FZAMX Fidelity Advisor Mid Cap II Fund Class Z	19.86%	12.00%	17.39%	15.15%	-14.70%	25.40%	18.84%	23.85%	-18.51%
FZILX Fidelity ZERO International Index Fund	15.48%	33.52%	5.32%	16.28%	-15.96%	8.19%	11.06%	21.69%	-9.38%

Correlation

The correlation between FZAMX and FZILX is 0.70, 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	0.70
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.76
Correlation (All Time) Calculated using the full available price history since Aug 17, 2018	0.77

The correlation between FZAMX and FZILX has been stable across timeframes, ranging from 0.70 to 0.77 - a consistent structural relationship.

Return for Risk

FZAMX vs. FZILX — Risk / Return Rank

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

FZAMX

FZAMX Risk / Return Rank: 65
FZAMX Sharpe Ratio Rank: 57
FZAMX Sortino Ratio Rank: 53
FZAMX Omega Ratio Rank: 51
FZAMX Calmar Ratio Rank: 83
FZAMX Martin Ratio Rank: 83

FZILX

FZILX Risk / Return Rank: 61
FZILX Sharpe Ratio Rank: 64
FZILX Sortino Ratio Rank: 58
FZILX Omega Ratio Rank: 61
FZILX Calmar Ratio Rank: 62
FZILX 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.

FZAMX vs. FZILX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Mid Cap II Fund Class Z (FZAMX) and Fidelity ZERO International Index Fund (FZILX). 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.

	FZAMX	FZILX	Difference
Sharpe ratio Return per unit of total volatility	2.23	2.36	-0.12
Sortino ratio Return per unit of downside risk	3.06	3.20	-0.14
Omega ratio Gain probability vs. loss probability	1.39	1.44	-0.04
Calmar ratio Return relative to maximum drawdown	3.85	3.04	+0.81
Martin ratio Return relative to average drawdown	15.50	11.94	+3.56
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FZAMX vs. FZILX - Sharpe Ratio Comparison

The current FZAMX Sharpe Ratio is 2.23, which is comparable to the FZILX Sharpe Ratio of 2.36. The chart below compares the historical Sharpe Ratios of FZAMX and FZILX, 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

	FZAMX	FZILX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.23	2.36	-0.12
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.54	0.59	-0.06
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.59	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	0.58	-0.01

Drawdowns

FZAMX vs. FZILX - Drawdown Comparison

The maximum FZAMX drawdown since its inception was -42.32%, which is greater than FZILX's maximum drawdown of -34.37%. Use the drawdown chart below to compare losses from any high point for FZAMX and FZILX.

Drawdown Indicators

	FZAMX	FZILX	Difference
Max Drawdown Largest peak-to-trough decline	-42.32%	-34.37%	-7.95%
Max Drawdown (1Y) Largest decline over 1 year	-9.77%	-11.24%	+1.47%
Max Drawdown (3Y) Largest decline over 3 years	-25.24%	-13.47%	-11.77%
Max Drawdown (5Y) Largest decline over 5 years	-25.24%	-29.87%	+4.63%
Max Drawdown (10Y) Largest decline over 10 years	-42.32%	—	—
Current Drawdown Current decline from peak	-0.71%	0.00%	-0.71%
Average Drawdown Average peak-to-trough decline	-6.08%	-6.70%	+0.62%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.43%	2.86%	-0.43%

Volatility

FZAMX vs. FZILX - Volatility Comparison

Fidelity Advisor Mid Cap II Fund Class Z (FZAMX) and Fidelity ZERO International Index Fund (FZILX) have volatilities of 4.83% and 4.97%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FZAMX	FZILX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.83%	4.97%	-0.14%
Volatility (6M) Calculated over the trailing 6-month period	13.69%	12.25%	+1.44%
Volatility (1Y) Calculated over the trailing 1-year period	17.13%	14.64%	+2.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.22%	15.52%	+4.70%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.94%	17.32%	+3.62%

FZAMX vs. FZILX - Expense Ratio Comparison

FZAMX has a 0.61% expense ratio, which is higher than FZILX's 0.00% expense ratio.

Dividends

FZAMX vs. FZILX - Dividend Comparison

FZAMX's dividend yield for the trailing twelve months is around 5.88%, more than FZILX's 2.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FZAMX Fidelity Advisor Mid Cap II Fund Class Z	5.88%	10.09%	6.93%	2.83%	5.86%	18.58%	1.41%	3.50%	10.72%	7.81%	5.00%	4.90%
FZILX Fidelity ZERO International Index Fund	2.32%	2.67%	3.00%	2.98%	2.71%	2.61%	1.64%	2.37%	0.02%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FZAMX and FZILX in my portfolio?

FZAMX and FZILX have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FZAMX or FZILX?

FZILX has higher volatility (4.97%) compared to FZAMX (4.83%). In terms of maximum drawdown, FZAMX dropped -42.32% vs FZILX's -34.37%.

Which has better risk-adjusted returns?

FZILX currently has the higher Sharpe Ratio (2.36 vs 2.23), 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.