GLTL.L vs. XBI
GLTL.L (SPDR Bloomberg 15+ Year Gilt UCITS ETF) and XBI (SPDR S&P Biotech ETF) are both exchange-traded funds - GLTL.L is a European Government Bonds fund tracking the FTSE Act UK Cnvt Gilts All Stocks TR GBP, while XBI is a Health & Biotech Equities fund tracking the S&P Biotechnology Select Industry Index. Both are passively managed. Over the past 10 years, GLTL.L returned -3.59%/yr vs 9.34%/yr for XBI. At a 0.01 correlation, their price movements are largely independent. GLTL.L charges 0.15%/yr vs 0.35%/yr for XBI.
Performance
GLTL.L vs. XBI - Performance Comparison
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Different Trading Currencies
GLTL.L is traded in GBP, while XBI is traded in USD. To make them comparable, the XBI values have been converted to GBP using the latest available exchange rates.
Returns By Period
In the year-to-date period, GLTL.L achieves a -3.57% return, which is significantly lower than XBI's 9.87% return. Over the past 10 years, GLTL.L has underperformed XBI with an annualized return of -3.59%, while XBI has yielded a comparatively higher 9.34% annualized return.
GLTL.L
- 1D
- 0.41%
- 1M
- 2.69%
- YTD
- -3.57%
- 6M
- -4.08%
- 1Y
- 0.19%
- 3Y*
- -0.97%
- 5Y*
- -10.85%
- 10Y*
- -3.59%
XBI
- 1D
- 2.77%
- 1M
- 0.64%
- YTD
- 9.87%
- 6M
- 7.86%
- 1Y
- 63.93%
- 3Y*
- 12.75%
- 5Y*
- 2.23%
- 10Y*
- 9.34%
GLTL.L vs. XBI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GLTL.L SPDR Bloomberg 15+ Year Gilt UCITS ETF | -3.57% | 3.16% | -10.46% | 1.26% | -40.67% | -6.57% | 13.60% | 11.56% | 0.21% | 3.33% |
XBI SPDR S&P Biotech ETF | 9.87% | 26.21% | 2.77% | 2.22% | -17.05% | -19.70% | 43.97% | 27.52% | -10.25% | 31.34% |
Correlation
The correlation between GLTL.L and XBI is 0.22, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.22 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.15 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.10 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.05 |
Correlation (All Time) Calculated using the full available price history since May 29, 2012 | 0.01 |
Over the past year, GLTL.L and XBI have become more correlated (0.22) than their long-term average of 0.01, meaning their price movements have been converging.
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Return for Risk
GLTL.L vs. XBI — Risk / Return Rank
GLTL.L
XBI
GLTL.L vs. XBI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Bloomberg 15+ Year Gilt UCITS ETF (GLTL.L) and SPDR S&P Biotech ETF (XBI). 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.
| GLTL.L | XBI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.59 | ||
| Sortino ratioReturn per unit of downside risk | -3.45 | ||
| Omega ratioGain probability vs. loss probability | 1.01 | 1.43 | -0.41 |
| Calmar ratioReturn relative to maximum drawdown | 0.02 | 7.52 | -7.50 |
| Martin ratioReturn relative to average drawdown | 0.04 | 20.52 | -20.47 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| GLTL.L | XBI | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.02 | 2.61 | -2.59 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.55 | 0.07 | -0.62 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.21 | 0.30 | -0.51 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.03 | 0.46 | -0.49 |
Drawdowns
GLTL.L vs. XBI - Drawdown Comparison
The maximum GLTL.L drawdown since its inception was -55.18%, smaller than the maximum XBI drawdown of -59.49%. Use the drawdown chart below to compare losses from any high point for GLTL.L and XBI.
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Drawdown Indicators
| GLTL.L | XBI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.18% | -59.49% | +4.31% |
Max Drawdown (1Y)Largest decline over 1 year | -10.86% | -8.55% | -2.31% |
Max Drawdown (3Y)Largest decline over 3 years | -16.53% | -32.52% | +15.99% |
Max Drawdown (5Y)Largest decline over 5 years | -52.99% | -49.04% | -3.95% |
Max Drawdown (10Y)Largest decline over 10 years | -55.18% | -59.49% | +4.31% |
Current DrawdownCurrent decline from peak | -52.05% | -21.03% | -31.02% |
Average DrawdownAverage peak-to-trough decline | -19.76% | -18.42% | -1.34% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.27% | 3.13% | +1.14% |
Volatility
GLTL.L vs. XBI - Volatility Comparison
The current volatility for SPDR Bloomberg 15+ Year Gilt UCITS ETF (GLTL.L) is 5.33%, while SPDR S&P Biotech ETF (XBI) has a volatility of 9.49%. This indicates that GLTL.L experiences smaller price fluctuations and is considered to be less risky than XBI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GLTL.L | XBI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.33% | 9.49% | -4.16% |
Volatility (6M)Calculated over the trailing 6-month period | 9.67% | 19.26% | -9.59% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.50% | 24.64% | -12.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.75% | 30.90% | -11.15% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.01% | 31.59% | -14.58% |
GLTL.L vs. XBI - Expense Ratio Comparison
GLTL.L has a 0.15% expense ratio, which is lower than XBI's 0.35% expense ratio.
Dividends
GLTL.L vs. XBI - Dividend Comparison
GLTL.L's dividend yield for the trailing twelve months is around 5.12%, more than XBI's 0.33% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GLTL.L SPDR Bloomberg 15+ Year Gilt UCITS ETF | 5.12% | 4.77% | 4.39% | 2.97% | 1.63% | 0.87% | 1.01% | 1.43% | 1.55% | 1.86% | 1.99% | 2.51% |
XBI SPDR S&P Biotech ETF | 0.33% | 0.37% | 0.15% | 0.02% | 0.00% | 0.04% | 0.20% | 0.00% | 0.28% | 0.24% | 0.26% | 0.61% |
Frequently Asked Questions
GLTL.L and XBI have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, GLTL.L is cheaper at 0.15% per year. The better choice depends on whether you care most about return, fees, risk, or income.
GLTL.L is cheaper with a 0.15% expense ratio, compared with 0.35% for XBI.
GLTL.L is categorized as European Government Bonds, while XBI is Health & Biotech Equities. GLTL.L tracks FTSE Act UK Cnvt Gilts All Stocks TR GBP, while XBI tracks S&P Biotechnology Select Industry Index. Their fees differ too: 0.15% for GLTL.L and 0.35% for XBI.
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