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BTEK.L vs. REMX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

BTEK.L vs. REMX

Last updated Jun 5, 2026

BTEK.L (iShares Nasdaq US Biotechnology UCITS ETF) and REMX (VanEck Rare Earth and Strategic Metals ETF) are both exchange-traded funds - BTEK.L is a Health & Biotech Equities fund tracking the NASDAQ Biotechnology TR USD, while REMX is a Materials fund tracking the MarketVector Global Rare Earth/Strategic Metals Index. Both are passively managed. Over the past 5 years, BTEK.L returned 5.85%/yr vs 5.35%/yr for REMX. At a 0.26 correlation, their price movements are largely independent. BTEK.L charges 0.35%/yr vs 0.59%/yr for REMX.

Performance

BTEK.L vs. REMX - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in iShares Nasdaq US Biotechnology UCITS ETF (BTEK.L) and VanEck Rare Earth and Strategic Metals ETF (REMX). The values are adjusted to include any dividend payments, if applicable.

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Different Trading Currencies

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

Returns By Period

In the year-to-date period, BTEK.L achieves a 4.86% return, which is significantly lower than REMX's 31.76% return.

BTEK.L

1D
3.56%
1M
2.25%
YTD
4.86%
6M
2.70%
1Y
43.15%
3Y*
10.19%
5Y*
5.85%
10Y*
—

REMX

1D
-1.34%
1M
-5.72%
YTD
31.76%
6M
38.21%
1Y
162.79%
3Y*
3.96%
5Y*
5.35%
10Y*
10.49%
*Multi-year figures are annualized to reflect compound growth (CAGR)

BTEK.L vs. REMX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
BTEK.L
iShares Nasdaq US Biotechnology UCITS ETF		4.86%23.81%-0.32%0.33%-1.55%0.90%23.11%21.63%-6.34%-3.31%
REMX
VanEck Rare Earth and Strategic Metals ETF		31.76%79.20%-33.88%-23.22%-22.94%81.51%59.98%-3.10%-46.65%9.46%

Correlation

The correlation between BTEK.L and REMX is 0.25, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.25

Correlation (3Y)
Calculated over the trailing 3-year period

0.25

Correlation (5Y)
Calculated over the trailing 5-year period

0.24

Correlation (All Time)
Calculated using the full available price history since Oct 25, 2017

0.26

BTEK.L vs. REMX - Sectors Allocation Comparison

Sectors
BTEK.L
REMX

Healthcare

100.0%

-

Basic Materials

-

100.0%

Communication Services

-

-

Consumer Cyclical

-

-

Consumer Defensive

-

-

Energy

-

-

Financial Services

-

-

Industrials

-

-

Real Estate

-

-

Technology

-

-

Utilities

-

-

Healthcare

BTEK.L
100.0%
REMX

-

Basic Materials

BTEK.L

-

REMX
100.0%

Communication Services

BTEK.L

-

REMX

-

Consumer Cyclical

BTEK.L

-

REMX

-

Consumer Defensive

BTEK.L

-

REMX

-

Energy

BTEK.L

-

REMX

-

Financial Services

BTEK.L

-

REMX

-

Industrials

BTEK.L

-

REMX

-

Real Estate

BTEK.L

-

REMX

-

Technology

BTEK.L

-

REMX

-

Utilities

BTEK.L

-

REMX

-

Compare stocks, funds, or ETFs

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iShares Nasdaq US Biotechnology UCITS ETF

VanEck Rare Earth and Strategic Metals ETF

Often compared with BTEK.L:
BTEK.L vs. SBIO.LBTEK.L vs. BRK-BBTEK.L vs. IBBQBTEK.L vs. XLKBTEK.L vs. QQQBTEK.L vs. BTC-USDBTEK.L vs. GOOG
Often compared with REMX:
REMX vs. LITREMX vs. XLBREMX vs. USARREMX vs. COPXREMX vs. RAREREMX vs. GNRREMX vs. WTRE

Return for Risk

BTEK.L vs. REMX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
BTEK.L
BTEK.L Risk / Return Rank: 7676
Overall Rank
BTEK.L Sharpe Ratio Rank: 7070
Sharpe Ratio Rank
BTEK.L Sortino Ratio Rank: 7070
Sortino Ratio Rank
BTEK.L Omega Ratio Rank: 6363
Omega Ratio Rank
BTEK.L Calmar Ratio Rank: 9292
Calmar Ratio Rank
BTEK.L Martin Ratio Rank: 8585
Martin Ratio Rank
REMX
REMX Risk / Return Rank: 8686
Overall Rank
REMX Sharpe Ratio Rank: 9393
Sharpe Ratio Rank
REMX Sortino Ratio Rank: 7979
Sortino Ratio Rank
REMX Omega Ratio Rank: 7474
Omega Ratio Rank
REMX Calmar Ratio Rank: 9393
Calmar Ratio Rank
REMX Martin Ratio Rank: 8989
Martin Ratio Rank
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.

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

This table presents a comparison of risk-adjusted performance metrics for iShares Nasdaq US Biotechnology UCITS ETF (BTEK.L) and VanEck Rare Earth and Strategic Metals ETF (REMX). 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.

BTEK.LREMXDifference
Sharpe ratioReturn per unit of total volatility
2.24
3.48

-1.24

Sortino ratioReturn per unit of downside risk
3.13
3.66

-0.53

Omega ratioGain probability vs. loss probability

1.38

1.45

-0.07

Calmar ratioReturn relative to maximum drawdown

6.23

7.12

-0.89

Martin ratioReturn relative to average drawdown

17.55

20.84

-3.29

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BTEK.L vs. REMX - Sharpe Ratio Comparison

The current BTEK.L Sharpe Ratio is 2.24, which is lower than the REMX Sharpe Ratio of 3.48. The chart below compares the historical Sharpe Ratios of BTEK.L and REMX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Sharpe Ratios by Period

BTEK.LREMXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.24

3.48

-1.24

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.29

0.14

+0.15

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

—

0.30

—

Sharpe Ratio (All Time)

Calculated using the full available price history

0.31

-0.05

+0.36

Drawdowns

BTEK.L vs. REMX - Drawdown Comparison

The maximum BTEK.L drawdown since its inception was -30.86%, smaller than the maximum REMX drawdown of -86.95%. Use the drawdown chart below to compare losses from any high point for BTEK.L and REMX.

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Drawdown Indicators

BTEK.LREMXDifference

Max Drawdown

Largest peak-to-trough decline

-30.86%

-86.95%

+56.09%

Max Drawdown (1Y)

Largest decline over 1 year

-6.89%

-23.00%

+16.11%

Max Drawdown (3Y)

Largest decline over 3 years

-26.34%

-61.66%

+35.32%

Max Drawdown (5Y)

Largest decline over 5 years

-30.86%

-72.62%

+41.76%

Max Drawdown (10Y)

Largest decline over 10 years

—

-72.62%

—

Current Drawdown

Current decline from peak

-1.86%

-45.88%

+44.02%

Average Drawdown

Average peak-to-trough decline

-10.04%

-62.04%

+52.00%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.45%

7.84%

-5.39%

Volatility

BTEK.L vs. REMX - Volatility Comparison

The current volatility for iShares Nasdaq US Biotechnology UCITS ETF (BTEK.L) is 6.91%, while VanEck Rare Earth and Strategic Metals ETF (REMX) has a volatility of 12.02%. This indicates that BTEK.L experiences smaller price fluctuations and is considered to be less risky than REMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

BTEK.LREMXDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.91%

12.02%

-5.11%

Volatility (6M)

Calculated over the trailing 6-month period

14.67%

33.09%

-18.42%

Volatility (1Y)

Calculated over the trailing 1-year period

19.14%

47.13%

-27.99%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

20.08%

37.89%

-17.81%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

21.71%

35.51%

-13.80%

BTEK.L vs. REMX - Expense Ratio Comparison

BTEK.L has a 0.35% expense ratio, which is lower than REMX's 0.59% expense ratio.

Dividends

BTEK.L vs. REMX - Dividend Comparison

BTEK.L has not paid dividends to shareholders, while REMX's dividend yield for the trailing twelve months is around 1.34%.

PositionTTM20252024202320222021202020192018201720162015
BTEK.L
iShares Nasdaq US Biotechnology UCITS ETF		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
REMX
VanEck Rare Earth and Strategic Metals ETF		1.34%1.76%2.56%0.00%1.56%5.25%0.81%1.64%12.43%2.89%2.23%4.77%

Frequently Asked Questions

BTEK.L and REMX have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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.

BTEK.L is cheaper with a 0.35% expense ratio, compared with 0.59% for REMX.

BTEK.L is categorized as Health & Biotech Equities, while REMX is Materials. BTEK.L tracks NASDAQ Biotechnology TR USD, while REMX tracks MarketVector Global Rare Earth/Strategic Metals Index. They also come from different issuers: iShares and VanEck. Their fees differ too: 0.35% for BTEK.L and 0.59% for REMX.

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