FBTU.L vs. BTEK.L

Last updated Jul 1, 2026

FBTU.L (First Trust NYSE Arca Biotechnology UCITS ETF Class A USD Accumulating) and BTEK.L (iShares Nasdaq US Biotechnology UCITS ETF) are both Health & Biotech Equities funds. Over the past 5 years, FBTU.L returned 7.65%/yr vs 5.48%/yr for BTEK.L. Their correlation of 0.85 suggests significant overlap in exposure. FBTU.L charges 0.60%/yr vs 0.35%/yr for BTEK.L.

Performance

FBTU.L vs. BTEK.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in First Trust NYSE Arca Biotechnology UCITS ETF Class A USD Accumulating (FBTU.L) and iShares Nasdaq US Biotechnology UCITS ETF (BTEK.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

FBTU.L is traded in USD, while BTEK.L is traded in GBP. To make them comparable, the BTEK.L values have been converted to USD using the latest available exchange rates.

Returns By Period

In the year-to-date period, FBTU.L achieves a 18.71% return, which is significantly higher than BTEK.L's 15.51% return.

FBTU.L

• 1D: 0.93%
• 1M: 12.11%
• YTD: 18.71%
• 6M: 18.02%
• 1Y: 54.07%
• 3Y*: 17.77%
• 5Y*: 7.65%
• 10Y*: —

BTEK.L

• 1D: 1.17%
• 1M: 10.56%
• YTD: 15.51%
• 6M: 15.23%
• 1Y: 55.20%
• 3Y*: 17.81%
• 5Y*: 5.48%
• 10Y*: —

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

FBTU.L vs. BTEK.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
FBTU.L First Trust NYSE Arca Biotechnology UCITS ETF Class A USD Accumulating	18.71%	25.97%	4.73%	3.91%	-5.96%	-3.77%	3.42%
BTEK.L iShares Nasdaq US Biotechnology UCITS ETF	15.51%	32.98%	-1.86%	5.59%	-12.08%	-0.02%	15.11%

Correlation

The correlation between FBTU.L and BTEK.L is 0.83, 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	0.83
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.85
Correlation (All Time) Calculated using the full available price history since May 20, 2020	0.85

The correlation between FBTU.L and BTEK.L has been stable across timeframes, ranging from 0.83 to 0.85 - a consistent structural relationship.

FBTU.L vs. BTEK.L - Sectors Allocation Comparison

Sectors	FBTU.L	BTEK.L
Healthcare	100.0%	100.0%
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Industrials	-	-
Real Estate	-	-
Technology	-	-
Utilities	-	-

Return for Risk

FBTU.L vs. BTEK.L — Risk / Return Rank

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

FBTU.L

FBTU.L Risk / Return Rank: 81
FBTU.L Sharpe Ratio Rank: 88
FBTU.L Sortino Ratio Rank: 89
FBTU.L Omega Ratio Rank: 80
FBTU.L Calmar Ratio Rank: 82
FBTU.L Martin Ratio Rank: 66

BTEK.L

BTEK.L Risk / Return Rank: 94
BTEK.L Sharpe Ratio Rank: 95
BTEK.L Sortino Ratio Rank: 94
BTEK.L Omega Ratio Rank: 91
BTEK.L Calmar Ratio Rank: 97
BTEK.L Martin Ratio Rank: 95

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.

FBTU.L vs. BTEK.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust NYSE Arca Biotechnology UCITS ETF Class A USD Accumulating (FBTU.L) and iShares Nasdaq US Biotechnology UCITS ETF (BTEK.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.

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.

	FBTU.L	BTEK.L	Difference
Sharpe ratio: Return per unit of total volatility	2.48	2.75	-0.27
Sortino ratio: Return per unit of downside risk	3.49	3.75	-0.25
Omega ratio: Gain probability vs. loss probability	1.41	1.44	-0.03
Calmar ratio: Return relative to maximum drawdown	3.76	7.04	-3.27
Martin ratio: Return relative to average drawdown	10.25	20.88	-10.63

FBTU.L vs. BTEK.L - Sharpe Ratio Comparison

The current FBTU.L Sharpe Ratio is 2.48, which is comparable to the BTEK.L Sharpe Ratio of 2.75. The chart below compares the historical Sharpe Ratios of FBTU.L and BTEK.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.

Drawdowns

FBTU.L vs. BTEK.L - Drawdown Comparison

The maximum FBTU.L drawdown since its inception was -33.73%, smaller than the maximum BTEK.L drawdown of -38.25%. Use the drawdown chart below to compare losses from any high point for FBTU.L and BTEK.L.

Drawdown Indicators

	FBTU.L	BTEK.L	Difference
Max Drawdown Largest peak-to-trough decline	-33.73%	-38.25%	+4.52%
Max Drawdown (1Y) Largest decline over 1 year	-14.30%	-7.81%	-6.49%
Max Drawdown (3Y) Largest decline over 3 years	-22.47%	-26.89%	+4.42%
Max Drawdown (5Y) Largest decline over 5 years	-29.97%	-38.25%	+8.28%
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-12.85%	-18.16%	+5.31%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.26%	2.64%	+2.62%

Volatility

FBTU.L vs. BTEK.L - Volatility Comparison

First Trust NYSE Arca Biotechnology UCITS ETF Class A USD Accumulating (FBTU.L) has a higher volatility of 7.73% compared to iShares Nasdaq US Biotechnology UCITS ETF (BTEK.L) at 6.58%. This indicates that FBTU.L's price experiences larger fluctuations and is considered to be riskier than BTEK.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FBTU.L	BTEK.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.73%	6.58%	+1.15%
Volatility (6M) Calculated over the trailing 6-month period	16.99%	15.75%	+1.24%
Volatility (1Y) Calculated over the trailing 1-year period	21.73%	19.99%	+1.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.00%	24.76%	-3.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.33%	25.63%	-4.30%

FBTU.L vs. BTEK.L - Expense Ratio Comparison

FBTU.L has a 0.60% expense ratio, which is higher than BTEK.L's 0.35% expense ratio.

Dividends

FBTU.L vs. BTEK.L - Dividend Comparison

Neither FBTU.L nor BTEK.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both FBTU.L and BTEK.L in my portfolio?

FBTU.L and BTEK.L have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, FBTU.L or BTEK.L?

On fees, BTEK.L is cheaper at 0.35% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, FBTU.L or BTEK.L?

BTEK.L is cheaper with a 0.35% expense ratio, compared with 0.60% for FBTU.L.

What is the main difference between FBTU.L and BTEK.L?

They also come from different issuers: First Trust and iShares. Their fees differ too: 0.60% for FBTU.L and 0.35% for BTEK.L.