FIJYX vs. ETHSX

Last updated Jun 5, 2026

FIJYX (Fidelity Advisor Biotechnology Fund Class Z) and ETHSX (Eaton Vance Worldwide Health Sciences Fund) are both Health & Biotech Equities funds. Over the past 5 years, FIJYX returned 8.64%/yr vs 2.86%/yr for ETHSX. A 0.69 correlation means they provide meaningful diversification when combined. FIJYX charges 0.61%/yr vs 1.20%/yr for ETHSX.

Performance

FIJYX vs. ETHSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Biotechnology Fund Class Z (FIJYX) and Eaton Vance Worldwide Health Sciences Fund (ETHSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FIJYX achieves a 0.75% return, which is significantly higher than ETHSX's -8.58% return.

FIJYX

• 1D: 1.44%
• 1M: -4.71%
• YTD: 0.75%
• 6M: -3.07%
• 1Y: 47.49%
• 3Y*: 15.84%
• 5Y*: 8.64%
• 10Y*: —

ETHSX

• 1D: 0.41%
• 1M: -1.46%
• YTD: -8.58%
• 6M: -7.33%
• 1Y: 2.43%
• 3Y*: 2.72%
• 5Y*: 2.86%
• 10Y*: 6.65%

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

FIJYX vs. ETHSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FIJYX Fidelity Advisor Biotechnology Fund Class Z	0.75%	40.09%	0.03%	11.19%	-7.60%	-2.76%	32.72%	26.25%	-11.45%
ETHSX Eaton Vance Worldwide Health Sciences Fund	-8.58%	10.23%	3.48%	5.67%	-9.41%	22.02%	13.04%	25.99%	-6.24%

Correlation

The correlation between FIJYX and ETHSX is 0.62, 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	0.62
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (5Y) Calculated over the trailing 5-year period	0.65
Correlation (All Time) Calculated using the full available price history since Oct 18, 2018	0.69

The correlation between FIJYX and ETHSX has been stable across timeframes, ranging from 0.62 to 0.69 - a consistent structural relationship.

Return for Risk

FIJYX vs. ETHSX — Risk / Return Rank

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

FIJYX

FIJYX Risk / Return Rank: 65
FIJYX Sharpe Ratio Rank: 54
FIJYX Sortino Ratio Rank: 49
FIJYX Omega Ratio Rank: 43
FIJYX Calmar Ratio Rank: 94
FIJYX Martin Ratio Rank: 84

ETHSX

ETHSX Risk / Return Rank: 4
ETHSX Sharpe Ratio Rank: 4
ETHSX Sortino Ratio Rank: 4
ETHSX Omega Ratio Rank: 4
ETHSX Calmar Ratio Rank: 4
ETHSX Martin Ratio Rank: 4

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.

FIJYX vs. ETHSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Biotechnology Fund Class Z (FIJYX) and Eaton Vance Worldwide Health Sciences Fund (ETHSX). 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.

	FIJYX	ETHSX	Difference
Sharpe ratio: Return per unit of total volatility	2.14	0.19	+1.95
Sortino ratio: Return per unit of downside risk	2.93	0.40	+2.53
Omega ratio: Gain probability vs. loss probability	1.35	1.04	+0.30
Calmar ratio: Return relative to maximum drawdown	5.31	0.24	+5.08
Martin ratio: Return relative to average drawdown	15.47	0.57	+14.89
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FIJYX vs. ETHSX - Sharpe Ratio Comparison

The current FIJYX Sharpe Ratio is 2.14, which is higher than the ETHSX Sharpe Ratio of 0.19. The chart below compares the historical Sharpe Ratios of FIJYX and ETHSX, 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

	FIJYX	ETHSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.14	0.19	+1.95
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.37	0.19	+0.18
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.41	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.41	0.10	+0.31

Drawdowns

FIJYX vs. ETHSX - Drawdown Comparison

The maximum FIJYX drawdown since its inception was -38.53%, smaller than the maximum ETHSX drawdown of -90.06%. Use the drawdown chart below to compare losses from any high point for FIJYX and ETHSX.

Drawdown Indicators

	FIJYX	ETHSX	Difference
Max Drawdown Largest peak-to-trough decline	-38.53%	-90.06%	+51.53%
Max Drawdown (1Y) Largest decline over 1 year	-8.88%	-12.35%	+3.47%
Max Drawdown (3Y) Largest decline over 3 years	-36.39%	-18.91%	-17.48%
Max Drawdown (5Y) Largest decline over 5 years	-36.39%	-19.58%	-16.81%
Max Drawdown (10Y) Largest decline over 10 years	—	-27.43%	—
Current Drawdown Current decline from peak	-7.57%	-12.97%	+5.40%
Average Drawdown Average peak-to-trough decline	-11.57%	-44.06%	+32.49%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.04%	5.12%	-2.08%

Volatility

FIJYX vs. ETHSX - Volatility Comparison

Fidelity Advisor Biotechnology Fund Class Z (FIJYX) has a higher volatility of 6.86% compared to Eaton Vance Worldwide Health Sciences Fund (ETHSX) at 4.37%. This indicates that FIJYX's price experiences larger fluctuations and is considered to be riskier than ETHSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FIJYX	ETHSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.86%	4.37%	+2.49%
Volatility (6M) Calculated over the trailing 6-month period	16.63%	10.37%	+6.26%
Volatility (1Y) Calculated over the trailing 1-year period	22.02%	15.06%	+6.96%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.59%	14.91%	+8.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.00%	16.24%	+8.76%

FIJYX vs. ETHSX - Expense Ratio Comparison

FIJYX has a 0.61% expense ratio, which is lower than ETHSX's 1.20% expense ratio.

Dividends

FIJYX vs. ETHSX - Dividend Comparison

FIJYX's dividend yield for the trailing twelve months is around 1.43%, less than ETHSX's 8.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ETHSX Eaton Vance Worldwide Health Sciences Fund	8.06%	7.36%	4.81%	2.48%	4.43%	8.25%	7.33%	5.39%	5.51%	2.82%	12.75%	9.70%
FIJYX Fidelity Advisor Biotechnology Fund Class Z	1.43%	1.44%	0.00%	1.55%	0.00%	18.90%	8.13%	6.49%	2.35%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both FIJYX and ETHSX in my portfolio?

FIJYX and ETHSX have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FIJYX or ETHSX?

FIJYX has higher volatility (6.86%) compared to ETHSX (4.37%). In terms of maximum drawdown, FIJYX dropped -38.53% vs ETHSX's -90.06%.

Which has better risk-adjusted returns?

FIJYX currently has the higher Sharpe Ratio (2.14 vs 0.19), 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.