FBDIX vs. IBB
FBDIX (Franklin Biotechnology Discovery Fund) and IBB (iShares Nasdaq Biotechnology ETF) are both Health & Biotech Equities funds. Over the past 10 years, FBDIX returned 11.40%/yr vs 8.14%/yr for IBB. Their correlation of 0.95 suggests significant overlap in exposure. FBDIX charges 1.06%/yr vs 0.47%/yr for IBB.
Performance
FBDIX vs. IBB - Performance Comparison
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Returns By Period
In the year-to-date period, FBDIX achieves a 6.81% return, which is significantly higher than IBB's 4.97% return. Over the past 10 years, FBDIX has outperformed IBB with an annualized return of 11.40%, while IBB has yielded a comparatively lower 8.14% annualized return.
FBDIX
- 1D
- 0.11%
- 1M
- 0.63%
- YTD
- 6.81%
- 6M
- 5.19%
- 1Y
- 70.80%
- 3Y*
- 28.12%
- 5Y*
- 8.29%
- 10Y*
- 11.40%
IBB
- 1D
- 1.94%
- 1M
- 4.88%
- YTD
- 4.97%
- 6M
- 2.54%
- 1Y
- 41.38%
- 3Y*
- 11.58%
- 5Y*
- 2.25%
- 10Y*
- 8.14%
FBDIX vs. IBB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FBDIX Franklin Biotechnology Discovery Fund | 6.81% | 52.68% | 15.37% | 18.40% | -12.65% | -27.58% | 29.85% | 49.11% | -15.77% | 18.83% |
IBB iShares Nasdaq Biotechnology ETF | 4.97% | 27.98% | -2.41% | 3.76% | -13.69% | 0.95% | 26.01% | 25.42% | -9.53% | 21.08% |
Correlation
The correlation between FBDIX and IBB is 0.89, 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 | 0.89 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.90 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.91 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.93 |
Correlation (All Time) Calculated using the full available price history since Feb 12, 2001 | 0.95 |
The correlation between FBDIX and IBB has been stable across timeframes, ranging from 0.89 to 0.95 - a consistent structural relationship.
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Return for Risk
FBDIX vs. IBB — Risk / Return Rank
FBDIX
IBB
FBDIX vs. IBB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Franklin Biotechnology Discovery Fund (FBDIX) and iShares Nasdaq Biotechnology ETF (IBB). 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.
| FBDIX | IBB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.98 | ||
| Sortino ratioReturn per unit of downside risk | +0.99 | ||
| Omega ratioGain probability vs. loss probability | 1.48 | 1.34 | +0.14 |
| Calmar ratioReturn relative to maximum drawdown | 7.72 | 4.32 | +3.41 |
| Martin ratioReturn relative to average drawdown | 24.19 | 13.28 | +10.90 |
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Drawdowns
FBDIX vs. IBB - Drawdown Comparison
The maximum FBDIX drawdown since its inception was -71.44%, which is greater than IBB's maximum drawdown of -62.85%. Use the drawdown chart below to compare losses from any high point for FBDIX and IBB.
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Drawdown Indicators
| FBDIX | IBB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -71.44% | -62.85% | -8.59% |
Max Drawdown (1Y)Largest decline over 1 year | -9.18% | -9.63% | +0.45% |
Max Drawdown (3Y)Largest decline over 3 years | -24.22% | -24.85% | +0.63% |
Max Drawdown (5Y)Largest decline over 5 years | -46.83% | -39.82% | -7.01% |
Max Drawdown (10Y)Largest decline over 10 years | -53.67% | -39.82% | -13.85% |
Current DrawdownCurrent decline from peak | -3.56% | -0.27% | -3.29% |
Average DrawdownAverage peak-to-trough decline | -28.70% | -21.15% | -7.55% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.93% | 3.12% | -0.19% |
Volatility
FBDIX vs. IBB - Volatility Comparison
Franklin Biotechnology Discovery Fund (FBDIX) has a higher volatility of 8.75% compared to iShares Nasdaq Biotechnology ETF (IBB) at 6.96%. This indicates that FBDIX's price experiences larger fluctuations and is considered to be riskier than IBB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FBDIX | IBB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.75% | 6.96% | +1.79% |
Volatility (6M)Calculated over the trailing 6-month period | 18.23% | 15.99% | +2.24% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.43% | 20.37% | +3.06% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 25.78% | 22.03% | +3.75% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 26.34% | 23.22% | +3.12% |
FBDIX vs. IBB - Expense Ratio Comparison
FBDIX has a 1.06% expense ratio, which is higher than IBB's 0.47% expense ratio.
Dividends
FBDIX vs. IBB - Dividend Comparison
FBDIX's dividend yield for the trailing twelve months is around 10.12%, more than IBB's 0.23% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FBDIX Franklin Biotechnology Discovery Fund | 10.12% | 10.81% | 19.53% | 0.00% | 0.13% | 0.98% | 14.50% | 18.77% | 3.72% | 2.39% | 4.57% | 8.42% |
IBB iShares Nasdaq Biotechnology ETF | 0.23% | 0.23% | 0.29% | 0.26% | 0.31% | 0.21% | 0.21% | 0.33% | 0.20% | 0.30% | 0.19% | 0.03% |
Frequently Asked Questions
FBDIX and IBB have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
FBDIX has higher volatility (8.75%) compared to IBB (6.96%). In terms of maximum drawdown, FBDIX dropped -71.44% vs IBB's -62.85%.
FBDIX currently has the higher Sharpe Ratio (3.03 vs 2.05), 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.
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