FBT.L vs. BIGT.L

Last updated Jun 4, 2026

FBT.L (First Trust NYSE Arca Biotechnology UCITS ETF Acc) and BIGT.L (L&G Pharma Breakthrough UCITS ETF) are both Health & Biotech Equities funds tracking the NASDAQ Biotechnology TR USD, from First Trust and Legal & General respectively. Both are passively managed. Over the past 5 years, FBT.L returned 7.17%/yr vs 1.96%/yr for BIGT.L. A 0.55 correlation means they provide meaningful diversification when combined. FBT.L charges 0.60%/yr vs 0.49%/yr for BIGT.L.

Performance

FBT.L vs. BIGT.L - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in First Trust NYSE Arca Biotechnology UCITS ETF Acc (FBT.L) and L&G Pharma Breakthrough UCITS ETF (BIGT.L). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FBT.L achieves a 4.41% return, which is significantly higher than BIGT.L's -3.26% return.

FBT.L

• 1D: 1.98%
• 1M: 8.09%
• YTD: 4.41%
• 6M: 1.93%
• 1Y: 34.35%
• 3Y*: 9.80%
• 5Y*: 7.17%
• 10Y*: —

BIGT.L

• 1D: 0.29%
• 1M: -4.19%
• YTD: -3.26%
• 6M: -4.11%
• 1Y: 22.79%
• 3Y*: 2.23%
• 5Y*: 1.96%
• 10Y*: —

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

FBT.L vs. BIGT.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
FBT.L First Trust NYSE Arca Biotechnology UCITS ETF Acc	4.41%	17.24%	7.13%	-0.99%	3.88%	-2.57%	-2.54%
BIGT.L L&G Pharma Breakthrough UCITS ETF	-3.26%	27.03%	-3.16%	-14.88%	2.68%	-2.30%	7.20%

Correlation

The correlation between FBT.L and BIGT.L is 0.76, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.57
Correlation (5Y) Calculated over the trailing 5-year period	0.55
Correlation (All Time) Calculated using the full available price history since Jun 16, 2020	0.55

Over the past year, FBT.L and BIGT.L have become more correlated (0.76) than their long-term average of 0.55, meaning their price movements have been converging.

FBT.L vs. BIGT.L - Sectors Allocation Comparison

Sectors	FBT.L	BIGT.L
Healthcare	100.0%	97.3%
Basic Materials	-	2.7%
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Industrials	-	-
Real Estate	-	-
Technology	-	-
Utilities	-	-

Return for Risk

FBT.L vs. BIGT.L — Risk / Return Rank

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

FBT.L

FBT.L Risk / Return Rank: 48
FBT.L Sharpe Ratio Rank: 49
FBT.L Sortino Ratio Rank: 52
FBT.L Omega Ratio Rank: 46
FBT.L Calmar Ratio Rank: 50
FBT.L Martin Ratio Rank: 41

BIGT.L

BIGT.L Risk / Return Rank: 38
BIGT.L Sharpe Ratio Rank: 35
BIGT.L Sortino Ratio Rank: 36
BIGT.L Omega Ratio Rank: 32
BIGT.L Calmar Ratio Rank: 47
BIGT.L Martin Ratio Rank: 41

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.

FBT.L vs. BIGT.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust NYSE Arca Biotechnology UCITS ETF Acc (FBT.L) and L&G Pharma Breakthrough UCITS ETF (BIGT.L). 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.

	FBT.L	BIGT.L	Difference
Sharpe ratio: Return per unit of total volatility	1.70	1.25	+0.45
Sortino ratio: Return per unit of downside risk	2.52	1.85	+0.67
Omega ratio: Gain probability vs. loss probability	1.29	1.22	+0.08
Calmar ratio: Return relative to maximum drawdown	2.48	2.29	+0.19
Martin ratio: Return relative to average drawdown	6.60	6.63	-0.03
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FBT.L vs. BIGT.L - Sharpe Ratio Comparison

The current FBT.L Sharpe Ratio is 1.70, which is higher than the BIGT.L Sharpe Ratio of 1.25. The chart below compares the historical Sharpe Ratios of FBT.L and BIGT.L, 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

	FBT.L	BIGT.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.70	1.25	+0.45
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.45	0.12	+0.34
Sharpe Ratio (All Time) Calculated using the full available price history	0.26	0.20	+0.06

Drawdowns

FBT.L vs. BIGT.L - Drawdown Comparison

The maximum FBT.L drawdown since its inception was -30.39%, roughly equal to the maximum BIGT.L drawdown of -30.23%. Use the drawdown chart below to compare losses from any high point for FBT.L and BIGT.L.

Drawdown Indicators

	FBT.L	BIGT.L	Difference
Max Drawdown Largest peak-to-trough decline	-30.39%	-30.23%	-0.16%
Max Drawdown (1Y) Largest decline over 1 year	-13.81%	-9.93%	-3.88%
Max Drawdown (3Y) Largest decline over 3 years	-23.70%	-23.74%	+0.04%
Max Drawdown (5Y) Largest decline over 5 years	-23.70%	-30.23%	+6.53%
Current Drawdown Current decline from peak	-1.97%	-7.85%	+5.88%
Average Drawdown Average peak-to-trough decline	-13.45%	-10.57%	-2.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.19%	3.43%	+1.76%

Volatility

FBT.L vs. BIGT.L - Volatility Comparison

First Trust NYSE Arca Biotechnology UCITS ETF Acc (FBT.L) and L&G Pharma Breakthrough UCITS ETF (BIGT.L) have volatilities of 6.10% and 5.96%, 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

	FBT.L	BIGT.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.10%	5.96%	+0.14%
Volatility (6M) Calculated over the trailing 6-month period	15.02%	13.91%	+1.11%
Volatility (1Y) Calculated over the trailing 1-year period	20.11%	18.21%	+1.90%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.49%	16.82%	+5.67%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.86%	18.36%	+5.50%

FBT.L vs. BIGT.L - Expense Ratio Comparison

FBT.L has a 0.60% expense ratio, which is higher than BIGT.L's 0.49% expense ratio.

Dividends

FBT.L vs. BIGT.L - Dividend Comparison

Neither FBT.L nor BIGT.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both FBT.L and BIGT.L in my portfolio?

FBT.L and BIGT.L have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, FBT.L or BIGT.L?

On fees, BIGT.L is cheaper at 0.49% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, FBT.L or BIGT.L?

BIGT.L is cheaper with a 0.49% expense ratio, compared with 0.60% for FBT.L.

What is the main difference between FBT.L and BIGT.L?

Both ETFs track NASDAQ Biotechnology TR USD. They also come from different issuers: First Trust and Legal & General. Their fees differ too: 0.60% for FBT.L and 0.49% for BIGT.L.