FBDIX vs. FBTIX

Last updated Apr 1, 2026

Compare and contrast key facts about Franklin Biotechnology Discovery Fund (FBDIX) and Fidelity Advisor Biotechnology Fund I Class (FBTIX).

FBDIX is managed by Franklin Templeton. It was launched on Sep 14, 1997. FBTIX is managed by Fidelity. It was launched on Dec 27, 2000.

Performance

FBDIX vs. FBTIX - Performance Comparison

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

FBDIX vs. FBTIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FBDIX Franklin Biotechnology Discovery Fund	-3.29%	52.68%	15.37%	18.40%	-12.65%	-27.58%	29.85%	49.11%	-15.77%	18.83%
FBTIX Fidelity Advisor Biotechnology Fund I Class	-2.62%	39.91%	5.63%	11.02%	-7.74%	-2.86%	32.53%	26.11%	-3.61%	26.15%

Returns By Period

In the year-to-date period, FBDIX achieves a -3.29% return, which is significantly lower than FBTIX's -2.62% return. Over the past 10 years, FBDIX has underperformed FBTIX with an annualized return of 10.22%, while FBTIX has yielded a comparatively higher 11.60% annualized return.

FBDIX

• 1D: -0.30%
• 1M: -6.49%
• YTD: -3.29%
• 6M: 19.63%
• 1Y: 54.72%
• 3Y*: 25.99%
• 5Y*: 6.18%
• 10Y*: 10.22%

FBTIX

• 1D: -0.74%
• 1M: -6.04%
• YTD: -2.62%
• 6M: 11.57%
• 1Y: 43.10%
• 3Y*: 18.79%
• 5Y*: 8.22%
• 10Y*: 11.60%

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

FBDIX vs. FBTIX - Expense Ratio Comparison

FBDIX has a 1.06% expense ratio, which is higher than FBTIX's 0.73% expense ratio.

FBDIX

Franklin Biotechnology Discovery Fund

FBTIX

Fidelity Advisor Biotechnology Fund I Class

Return for Risk

FBDIX vs. FBTIX — Risk / Return Rank

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

FBDIX

FBDIX Risk / Return Rank: 91
FBDIX Sharpe Ratio Rank: 92
FBDIX Sortino Ratio Rank: 91
FBDIX Omega Ratio Rank: 83
FBDIX Calmar Ratio Rank: 94
FBDIX Martin Ratio Rank: 94

FBTIX

FBTIX Risk / Return Rank: 83
FBTIX Sharpe Ratio Rank: 84
FBTIX Sortino Ratio Rank: 83
FBTIX Omega Ratio Rank: 73
FBTIX Calmar Ratio Rank: 89
FBTIX Martin Ratio Rank: 89

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.

FBDIX vs. FBTIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Franklin Biotechnology Discovery Fund (FBDIX) and Fidelity Advisor Biotechnology Fund I Class (FBTIX). 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.

	FBDIX	FBTIX	Difference
Sharpe ratio Return per unit of total volatility	1.99	1.58	+0.41
Sortino ratio Return per unit of downside risk	2.59	2.12	+0.46
Omega ratio Gain probability vs. loss probability	1.33	1.27	+0.06
Calmar ratio Return relative to maximum drawdown	3.04	2.40	+0.63
Martin ratio Return relative to average drawdown	12.26	9.76	+2.50
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FBDIX vs. FBTIX - Sharpe Ratio Comparison

The current FBDIX Sharpe Ratio is 1.99, which is comparable to the FBTIX Sharpe Ratio of 1.58. The chart below compares the historical Sharpe Ratios of FBDIX and FBTIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	FBDIX	FBTIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.99	1.58	+0.41
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.24	0.36	-0.11
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.39	0.47	-0.09
Sharpe Ratio (All Time) Calculated using the full available price history	0.40	0.32	+0.08

Correlation

The correlation between FBDIX and FBTIX is 0.95, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

FBDIX vs. FBTIX - Dividend Comparison

FBDIX's dividend yield for the trailing twelve months is around 11.18%, more than FBTIX's 1.42% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FBDIX Franklin Biotechnology Discovery Fund	11.18%	10.81%	19.53%	0.00%	0.13%	0.98%	14.50%	18.77%	3.72%	2.39%	4.57%	8.42%
FBTIX Fidelity Advisor Biotechnology Fund I Class	1.42%	1.39%	5.69%	1.36%	0.00%	18.74%	8.01%	6.44%	2.35%	0.00%	0.00%	5.23%

Drawdowns

FBDIX vs. FBTIX - Drawdown Comparison

The maximum FBDIX drawdown since its inception was -71.44%, which is greater than FBTIX's maximum drawdown of -63.45%. Use the drawdown chart below to compare losses from any high point for FBDIX and FBTIX.

Drawdown Indicators

	FBDIX	FBTIX	Difference
Max Drawdown Largest peak-to-trough decline	-71.44%	-63.45%	-7.99%
Max Drawdown (1Y) Largest decline over 1 year	-12.39%	-13.62%	+1.23%
Max Drawdown (5Y) Largest decline over 5 years	-46.83%	-36.41%	-10.42%
Max Drawdown (10Y) Largest decline over 10 years	-53.67%	-38.64%	-15.03%
Current Drawdown Current decline from peak	-7.38%	-7.21%	-0.17%
Average Drawdown Average peak-to-trough decline	-28.90%	-20.73%	-8.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.98%	4.09%	-0.11%

Volatility

FBDIX vs. FBTIX - Volatility Comparison

Franklin Biotechnology Discovery Fund (FBDIX) and Fidelity Advisor Biotechnology Fund I Class (FBTIX) have volatilities of 7.62% and 7.77%, 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

	FBDIX	FBTIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.62%	7.77%	-0.15%
Volatility (6M) Calculated over the trailing 6-month period	15.74%	16.36%	-0.62%
Volatility (1Y) Calculated over the trailing 1-year period	25.50%	25.57%	-0.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.47%	23.23%	+2.24%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.35%	24.54%	+1.81%