FBTIX vs. FBIOX

Last updated Jun 3, 2026

FBTIX (Fidelity Advisor Biotechnology Fund I Class) and FBIOX (Fidelity Select Biotechnology Portfolio) are both Health & Biotech Equities funds from Fidelity. Over the past 10 years, FBTIX returned 11.15%/yr vs 9.50%/yr for FBIOX. With a 0.99 correlation, they move nearly in lockstep. FBTIX charges 0.73%/yr vs 0.69%/yr for FBIOX.

Performance

FBTIX vs. FBIOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Advisor Biotechnology Fund I Class (FBTIX) and Fidelity Select Biotechnology Portfolio (FBIOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FBTIX achieves a 2.40% return, which is significantly lower than FBIOX's 3.85% return. Over the past 10 years, FBTIX has outperformed FBIOX with an annualized return of 11.15%, while FBIOX has yielded a comparatively lower 9.50% annualized return.

FBTIX

• 1D: -2.49%
• 1M: -0.42%
• YTD: 2.40%
• 6M: 1.35%
• 1Y: 50.84%
• 3Y*: 18.51%
• 5Y*: 10.23%
• 10Y*: 11.15%

FBIOX

• 1D: -2.11%
• 1M: 2.37%
• YTD: 3.85%
• 6M: 5.99%
• 1Y: 49.56%
• 3Y*: 17.16%
• 5Y*: 6.51%
• 10Y*: 9.50%

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

FBTIX vs. FBIOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FBTIX Fidelity Advisor Biotechnology Fund I Class	2.40%	39.91%	5.63%	11.02%	-7.74%	-2.86%	32.53%	26.11%	-3.61%	26.15%
FBIOX Fidelity Select Biotechnology Portfolio	3.85%	36.38%	7.26%	10.09%	-15.87%	-12.26%	38.62%	36.12%	-10.92%	27.87%

Correlation

The correlation between FBTIX and FBIOX is 0.96 - 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	0.96
Correlation (3Y) Calculated over the trailing 3-year period	0.96
Correlation (5Y) Calculated over the trailing 5-year period	0.96
Correlation (10Y) Calculated over the trailing 10-year period	0.97
Correlation (All Time) Calculated using the full available price history since Dec 28, 2000	0.99

The correlation between FBTIX and FBIOX has been stable across timeframes, ranging from 0.96 to 0.99 - a consistent structural relationship.

Return for Risk

FBTIX vs. FBIOX — Risk / Return Rank

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

FBTIX

FBTIX Risk / Return Rank: 75
FBTIX Sharpe Ratio Rank: 74
FBTIX Sortino Ratio Rank: 64
FBTIX Omega Ratio Rank: 53
FBTIX Calmar Ratio Rank: 96
FBTIX Martin Ratio Rank: 90

FBIOX

FBIOX Risk / Return Rank: 80
FBIOX Sharpe Ratio Rank: 79
FBIOX Sortino Ratio Rank: 71
FBIOX Omega Ratio Rank: 57
FBIOX Calmar Ratio Rank: 97
FBIOX Martin Ratio Rank: 94

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.

FBTIX vs. FBIOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Advisor Biotechnology Fund I Class (FBTIX) and Fidelity Select Biotechnology Portfolio (FBIOX). 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.

	FBTIX	FBIOX	Difference
Sharpe ratio Return per unit of total volatility	2.50	2.58	-0.08
Sortino ratio Return per unit of downside risk	3.36	3.52	-0.16
Omega ratio Gain probability vs. loss probability	1.40	1.42	-0.02
Calmar ratio Return relative to maximum drawdown	6.52	6.65	-0.12
Martin ratio Return relative to average drawdown	17.92	21.26	-3.34
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FBTIX vs. FBIOX - Sharpe Ratio Comparison

The current FBTIX Sharpe Ratio is 2.50, which is comparable to the FBIOX Sharpe Ratio of 2.58. The chart below compares the historical Sharpe Ratios of FBTIX and FBIOX, 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

	FBTIX	FBIOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.50	2.58	-0.08
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.44	0.26	+0.18
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.46	0.36	+0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.32	0.48	-0.16

Drawdowns

FBTIX vs. FBIOX - Drawdown Comparison

The maximum FBTIX drawdown since its inception was -63.45%, smaller than the maximum FBIOX drawdown of -71.98%. Use the drawdown chart below to compare losses from any high point for FBTIX and FBIOX.

Drawdown Indicators

	FBTIX	FBIOX	Difference
Max Drawdown Largest peak-to-trough decline	-63.45%	-71.98%	+8.53%
Max Drawdown (1Y) Largest decline over 1 year	-8.13%	-7.62%	-0.51%
Max Drawdown (3Y) Largest decline over 3 years	-32.80%	-27.83%	-4.97%
Max Drawdown (5Y) Largest decline over 5 years	-36.41%	-44.87%	+8.46%
Max Drawdown (10Y) Largest decline over 10 years	-38.64%	-48.66%	+10.02%
Current Drawdown Current decline from peak	-6.03%	-3.47%	-2.56%
Average Drawdown Average peak-to-trough decline	-20.61%	-23.63%	+3.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.96%	2.38%	+0.58%

Volatility

FBTIX vs. FBIOX - Volatility Comparison

Fidelity Advisor Biotechnology Fund I Class (FBTIX) and Fidelity Select Biotechnology Portfolio (FBIOX) have volatilities of 6.57% and 6.52%, 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

	FBTIX	FBIOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.57%	6.52%	+0.05%
Volatility (6M) Calculated over the trailing 6-month period	16.43%	15.87%	+0.56%
Volatility (1Y) Calculated over the trailing 1-year period	21.90%	20.39%	+1.51%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.42%	24.91%	-1.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.39%	26.23%	-1.84%

FBTIX vs. FBIOX - Expense Ratio Comparison

FBTIX has a 0.73% expense ratio, which is higher than FBIOX's 0.69% expense ratio.

Dividends

FBTIX vs. FBIOX - Dividend Comparison

FBTIX's dividend yield for the trailing twelve months is around 1.35%, less than FBIOX's 6.48% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FBIOX Fidelity Select Biotechnology Portfolio	6.48%	2.47%	1.21%	0.45%	0.00%	14.48%	19.46%	8.89%	11.18%	1.41%	3.42%	6.71%
FBTIX Fidelity Advisor Biotechnology Fund I Class	1.35%	1.39%	5.69%	1.36%	0.00%	18.74%	8.01%	6.44%	2.35%	0.00%	0.00%	5.23%

Frequently Asked Questions

Can I hold both FBTIX and FBIOX in my portfolio?

With a correlation of 0.96, FBTIX and FBIOX 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, FBTIX or FBIOX?

FBTIX has higher volatility (6.57%) compared to FBIOX (6.52%). In terms of maximum drawdown, FBTIX dropped -63.45% vs FBIOX's -71.98%.

Which has better risk-adjusted returns?

FBIOX currently has the higher Sharpe Ratio (2.58 vs 2.50), 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.