FBTTX vs. FIJYX

Last updated Jun 23, 2026

FBTTX (Fidelity Advisor Biotechnology Fund Class M) and FIJYX (Fidelity Advisor Biotechnology Fund Class Z) are both Health & Biotech Equities funds from Fidelity. Over the past 5 years, FBTTX returned 9.28%/yr vs 8.77%/yr for FIJYX. With a 1.00 correlation, they move nearly in lockstep. FBTTX charges 1.28%/yr vs 0.61%/yr for FIJYX.

Performance

FBTTX vs. FIJYX - Performance Comparison

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

Returns By Period

In the year-to-date period, FBTTX achieves a 6.42% return, which is significantly lower than FIJYX's 6.75% return.

FBTTX

• 1D: 0.03%
• 1M: 2.85%
• YTD: 6.42%
• 6M: 3.58%
• 1Y: 55.44%
• 3Y*: 19.09%
• 5Y*: 9.28%
• 10Y*: 11.96%

FIJYX

• 1D: 0.02%
• 1M: 2.89%
• YTD: 6.75%
• 6M: 3.92%
• 1Y: 56.44%
• 3Y*: 17.66%
• 5Y*: 8.77%
• 10Y*: —

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

FBTTX vs. FIJYX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
FBTTX Fidelity Advisor Biotechnology Fund Class M	6.42%	39.21%	5.08%	10.43%	-8.22%	-3.35%	31.82%	25.39%	-11.61%
FIJYX Fidelity Advisor Biotechnology Fund Class Z	6.75%	40.09%	0.03%	11.19%	-7.60%	-2.76%	32.72%	26.25%	-11.45%

Correlation

The correlation between FBTTX and FIJYX is 1.00 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	1.00
Correlation (3Y) Calculated over the trailing 3-year period	1.00
Correlation (5Y) Calculated over the trailing 5-year period	1.00
Correlation (All Time) Calculated using the full available price history since Oct 17, 2018	1.00

The correlation between FBTTX and FIJYX has been stable across timeframes, ranging from 1.00 to 1.00 - a consistent structural relationship.

Return for Risk

FBTTX vs. FIJYX — Risk / Return Rank

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

FBTTX

FBTTX Risk / Return Rank: 81
FBTTX Sharpe Ratio Rank: 82
FBTTX Sortino Ratio Rank: 75
FBTTX Omega Ratio Rank: 61
FBTTX Calmar Ratio Rank: 97
FBTTX Martin Ratio Rank: 91

FIJYX

FIJYX Risk / Return Rank: 83
FIJYX Sharpe Ratio Rank: 84
FIJYX Sortino Ratio Rank: 77
FIJYX Omega Ratio Rank: 63
FIJYX Calmar Ratio Rank: 97
FIJYX Martin Ratio Rank: 92

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.

FBTTX vs. FIJYX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Biotechnology Fund Class M (FBTTX) and Fidelity Advisor Biotechnology Fund Class Z (FIJYX). 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.

	FBTTX	FIJYX	Difference
Sharpe ratio: Return per unit of total volatility	2.47	2.52	-0.04
Sortino ratio: Return per unit of downside risk	3.31	3.36	-0.05
Omega ratio: Gain probability vs. loss probability	1.39	1.40	-0.01
Calmar ratio: Return relative to maximum drawdown	6.26	6.42	-0.15
Martin ratio: Return relative to average drawdown	17.20	17.74	-0.54

FBTTX vs. FIJYX - Sharpe Ratio Comparison

The current FBTTX Sharpe Ratio is 2.47, which is comparable to the FIJYX Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of FBTTX and FIJYX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

FBTTX vs. FIJYX - Drawdown Comparison

The maximum FBTTX drawdown since its inception was -63.75%, which is greater than FIJYX's maximum drawdown of -38.53%. Use the drawdown chart below to compare losses from any high point for FBTTX and FIJYX.

Drawdown Indicators

	FBTTX	FIJYX	Difference
Max Drawdown Largest peak-to-trough decline	-63.75%	-38.53%	-25.22%
Max Drawdown (1Y) Largest decline over 1 year	-8.94%	-8.88%	-0.06%
Max Drawdown (3Y) Largest decline over 3 years	-32.91%	-36.39%	+3.48%
Max Drawdown (5Y) Largest decline over 5 years	-36.64%	-36.39%	-0.25%
Max Drawdown (10Y) Largest decline over 10 years	-39.04%	—	—
Current Drawdown Current decline from peak	-2.17%	-2.06%	-0.11%
Average Drawdown Average peak-to-trough decline	-21.80%	-11.52%	-10.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.25%	3.20%	+0.05%

Volatility

FBTTX vs. FIJYX - Volatility Comparison

Fidelity Advisor Biotechnology Fund Class M (FBTTX) and Fidelity Advisor Biotechnology Fund Class Z (FIJYX) have volatilities of 8.12% and 8.14%, 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

	FBTTX	FIJYX	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.12%	8.14%	-0.02%
Volatility (6M) Calculated over the trailing 6-month period	17.34%	17.34%	0.00%
Volatility (1Y) Calculated over the trailing 1-year period	22.62%	22.62%	0.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.56%	23.68%	-0.12%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.44%	25.02%	-0.58%

FBTTX vs. FIJYX - Expense Ratio Comparison

FBTTX has a 1.28% expense ratio, which is higher than FIJYX's 0.61% expense ratio.

Dividends

FBTTX vs. FIJYX - Dividend Comparison

FBTTX's dividend yield for the trailing twelve months is around 1.44%, more than FIJYX's 1.35% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FBTTX Fidelity Advisor Biotechnology Fund Class M	1.44%	1.53%	6.41%	0.93%	0.00%	21.60%	8.79%	7.10%	2.64%	0.00%	0.00%	5.42%
FIJYX Fidelity Advisor Biotechnology Fund Class Z	1.35%	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 FBTTX and FIJYX in my portfolio?

With a correlation of 1.00, FBTTX and FIJYX 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.

Which is riskier, FBTTX or FIJYX?

FIJYX has higher volatility (8.14%) compared to FBTTX (8.12%). In terms of maximum drawdown, FBTTX dropped -63.75% vs FIJYX's -38.53%.

Which has better risk-adjusted returns?

FIJYX currently has the higher Sharpe Ratio (2.52 vs 2.47), 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.