FBTCX vs. FBDIX

Last updated Jun 26, 2026

FBTCX (Fidelity Advisor Biotechnology Fund Class C) and FBDIX (Franklin Biotechnology Discovery Fund) are both Health & Biotech Equities funds. Over the past 10 years, FBTCX returned 12.01%/yr vs 12.38%/yr for FBDIX. With a 0.95 correlation, they move nearly in lockstep. FBTCX charges 1.75%/yr vs 1.06%/yr for FBDIX.

Performance

FBTCX vs. FBDIX - Performance Comparison

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

Returns By Period

In the year-to-date period, FBTCX achieves a 13.55% return, which is significantly higher than FBDIX's 12.61% return. Both investments have delivered pretty close results over the past 10 years, with FBTCX having a 12.01% annualized return and FBDIX not far ahead at 12.38%.

FBTCX

• 1D: 0.77%
• 1M: 9.62%
• YTD: 13.55%
• 6M: 10.18%
• 1Y: 63.37%
• 3Y*: 19.12%
• 5Y*: 8.58%
• 10Y*: 12.01%

FBDIX

• 1D: 1.12%
• 1M: 6.01%
• YTD: 12.61%
• 6M: 10.45%
• 1Y: 78.04%
• 3Y*: 31.28%
• 5Y*: 9.09%
• 10Y*: 12.38%

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

FBTCX vs. FBDIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FBTCX Fidelity Advisor Biotechnology Fund Class C	13.55%	38.48%	-2.00%	9.86%	-8.64%	-3.72%	31.17%	24.82%	-4.55%	24.81%
FBDIX Franklin Biotechnology Discovery Fund	12.61%	52.68%	15.37%	18.40%	-12.65%	-27.58%	29.85%	49.11%	-15.77%	18.83%

Correlation

The correlation between FBTCX and FBDIX is 0.93, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.93
Correlation (3Y) Calculated over the trailing 3-year period	0.91
Correlation (5Y) Calculated over the trailing 5-year period	0.92
Correlation (10Y) Calculated over the trailing 10-year period	0.94
Correlation (All Time) Calculated using the full available price history since Dec 27, 2000	0.95

The correlation between FBTCX and FBDIX has been stable across timeframes, ranging from 0.91 to 0.95 - a consistent structural relationship.

Return for Risk

FBTCX vs. FBDIX — Risk / Return Rank

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

FBTCX

FBTCX Risk / Return Rank: 90
FBTCX Sharpe Ratio Rank: 93
FBTCX Sortino Ratio Rank: 87
FBTCX Omega Ratio Rank: 80
FBTCX Calmar Ratio Rank: 98
FBTCX Martin Ratio Rank: 95

FBDIX

FBDIX Risk / Return Rank: 94
FBDIX Sharpe Ratio Rank: 97
FBDIX Sortino Ratio Rank: 92
FBDIX Omega Ratio Rank: 86
FBDIX Calmar Ratio Rank: 98
FBDIX Martin Ratio Rank: 98

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.

FBTCX vs. FBDIX - Risk-Adjusted Trends Comparison

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

	FBTCX	FBDIX	Difference
Sharpe ratio: Return per unit of total volatility	2.73	3.27	-0.54
Sortino ratio: Return per unit of downside risk	3.63	4.12	-0.49
Omega ratio: Gain probability vs. loss probability	1.43	1.51	-0.08
Calmar ratio: Return relative to maximum drawdown	6.99	8.40	-1.40
Martin ratio: Return relative to average drawdown	19.16	26.35	-7.19

FBTCX vs. FBDIX - Sharpe Ratio Comparison

The current FBTCX Sharpe Ratio is 2.73, which is comparable to the FBDIX Sharpe Ratio of 3.27. The chart below compares the historical Sharpe Ratios of FBTCX and FBDIX, 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

FBTCX vs. FBDIX - Drawdown Comparison

The maximum FBTCX drawdown since its inception was -64.04%, smaller than the maximum FBDIX drawdown of -71.44%. Use the drawdown chart below to compare losses from any high point for FBTCX and FBDIX.

Drawdown Indicators

	FBTCX	FBDIX	Difference
Max Drawdown Largest peak-to-trough decline	-64.04%	-71.44%	+7.40%
Max Drawdown (1Y) Largest decline over 1 year	-9.04%	-9.18%	+0.14%
Max Drawdown (3Y) Largest decline over 3 years	-37.26%	-24.22%	-13.04%
Max Drawdown (5Y) Largest decline over 5 years	-37.26%	-46.83%	+9.57%
Max Drawdown (10Y) Largest decline over 10 years	-39.37%	-53.67%	+14.30%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-23.03%	-28.69%	+5.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.29%	2.93%	+0.36%

Volatility

FBTCX vs. FBDIX - Volatility Comparison

Fidelity Advisor Biotechnology Fund Class C (FBTCX) and Franklin Biotechnology Discovery Fund (FBDIX) have volatilities of 9.21% and 8.92%, 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

	FBTCX	FBDIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.21%	8.92%	+0.29%
Volatility (6M) Calculated over the trailing 6-month period	17.96%	18.38%	-0.42%
Volatility (1Y) Calculated over the trailing 1-year period	23.19%	23.65%	-0.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.84%	25.84%	-2.00%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.50%	26.32%	-1.82%

FBTCX vs. FBDIX - Expense Ratio Comparison

FBTCX has a 1.75% expense ratio, which is higher than FBDIX's 1.06% expense ratio.

Dividends

FBTCX vs. FBDIX - Dividend Comparison

FBTCX's dividend yield for the trailing twelve months is around 1.48%, less than FBDIX's 9.60% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FBDIX Franklin Biotechnology Discovery Fund	9.60%	10.81%	19.53%	0.00%	0.13%	0.98%	14.50%	18.77%	3.72%	2.39%	4.57%	8.42%
FBTCX Fidelity Advisor Biotechnology Fund Class C	1.48%	1.68%	0.00%	0.00%	0.00%	24.50%	9.78%	7.92%	2.92%	0.00%	0.00%	5.73%

Frequently Asked Questions

Can I hold both FBTCX and FBDIX in my portfolio?

With a correlation of 0.93, FBTCX and FBDIX 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, FBTCX or FBDIX?

FBTCX has higher volatility (9.21%) compared to FBDIX (8.92%). In terms of maximum drawdown, FBTCX dropped -64.04% vs FBDIX's -71.44%.

Which has better risk-adjusted returns?

FBDIX currently has the higher Sharpe Ratio (3.27 vs 2.73), 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.