GLTL.L vs. XLK

Last updated Apr 2, 2026

Compare and contrast key facts about SPDR Bloomberg 15+ Year Gilt UCITS ETF (GLTL.L) and State Street Technology Select Sector SPDR ETF (XLK).

GLTL.L and XLK are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. GLTL.L is a passively managed fund by State Street that tracks the performance of the FTSE Act UK Cnvt Gilts All Stocks TR GBP. It was launched on May 17, 2012. XLK is a passively managed fund by State Street that tracks the performance of the S&P Technology Select Sector Daily Capped 35/20 Index. It was launched on Dec 16, 1998. Both GLTL.L and XLK are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

GLTL.L vs. XLK - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in SPDR Bloomberg 15+ Year Gilt UCITS ETF (GLTL.L) and State Street Technology Select Sector SPDR ETF (XLK). The values are adjusted to include any dividend payments, if applicable.

GLTL.L vs. XLK - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
GLTL.L SPDR Bloomberg 15+ Year Gilt UCITS ETF	-2.86%	3.16%	-188.39%	1.26%	-40.67%	-6.57%	13.60%	11.56%	0.21%	3.33%
XLK State Street Technology Select Sector SPDR ETF	-4.63%	15.73%	23.76%	48.22%	-19.13%	36.02%	39.40%	44.16%	4.15%	22.65%

Different Trading Currencies

GLTL.L is traded in GBP, while XLK is traded in USD. To make them comparable, the XLK 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 -2.86% return, which is significantly higher than XLK's -4.63% return.

GLTL.L

• 1D: 0.83%
• 1M: -5.60%
• YTD: -2.86%
• 6M: 2.49%
• 1Y: 0.66%
• 3Y*: —
• 5Y*: —
• 10Y*: —

XLK

• 1D: 1.28%
• 1M: -2.10%
• YTD: -4.63%
• 6M: -3.33%
• 1Y: 27.19%
• 3Y*: 19.29%
• 5Y*: 16.64%
• 10Y*: 21.87%

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

GLTL.L vs. XLK - Expense Ratio Comparison

GLTL.L has a 0.15% expense ratio, which is higher than XLK's 0.08% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

GLTL.L

SPDR Bloomberg 15+ Year Gilt UCITS ETF

XLK

State Street Technology Select Sector SPDR ETF

Return for Risk

GLTL.L vs. XLK — Risk / Return Rank

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

GLTL.L

GLTL.L Risk / Return Rank: 13
GLTL.L Sharpe Ratio Rank: 13
GLTL.L Sortino Ratio Rank: 11
GLTL.L Omega Ratio Rank: 12
GLTL.L Calmar Ratio Rank: 14
GLTL.L Martin Ratio Rank: 13

XLK

XLK Risk / Return Rank: 65
XLK Sharpe Ratio Rank: 62
XLK Sortino Ratio Rank: 65
XLK Omega Ratio Rank: 63
XLK Calmar Ratio Rank: 73
XLK Martin Ratio Rank: 62

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.

GLTL.L vs. XLK - 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 State Street Technology Select Sector SPDR ETF (XLK). 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	XLK	Difference
Sharpe ratio Return per unit of total volatility	0.05	1.01	-0.96
Sortino ratio Return per unit of downside risk	0.15	1.54	-1.39
Omega ratio Gain probability vs. loss probability	1.02	1.22	-0.20
Calmar ratio Return relative to maximum drawdown	0.10	1.77	-1.67
Martin ratio Return relative to average drawdown	0.25	4.81	-4.56
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GLTL.L vs. XLK - Sharpe Ratio Comparison

The current GLTL.L Sharpe Ratio is 0.05, which is lower than the XLK Sharpe Ratio of 1.01. The chart below compares the historical Sharpe Ratios of GLTL.L and XLK, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	GLTL.L	XLK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.05	1.01	-0.96
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.71	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.90	—
Sharpe Ratio (All Time) Calculated using the full available price history	—	0.77	—

Correlation

The correlation between GLTL.L and XLK is -0.01. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.

Dividends

GLTL.L vs. XLK - Dividend Comparison

GLTL.L's dividend yield for the trailing twelve months is around 5.09%, more than XLK's 0.57% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
GLTL.L SPDR Bloomberg 15+ Year Gilt UCITS ETF	5.09%	4.77%	227.97%	2.97%	1.63%	0.87%	1.01%	1.43%	1.55%	1.86%	1.99%	2.51%
XLK State Street Technology Select Sector SPDR ETF	0.57%	0.54%	0.66%	0.76%	1.04%	0.65%	0.92%	1.16%	1.60%	1.37%	1.74%	1.79%

Drawdowns

GLTL.L vs. XLK - Drawdown Comparison

The maximum GLTL.L drawdown since its inception was -153.21%, which is greater than XLK's maximum drawdown of -34.63%. Use the drawdown chart below to compare losses from any high point for GLTL.L and XLK.

Drawdown Indicators

	GLTL.L	XLK	Difference
Max Drawdown Largest peak-to-trough decline	-153.21%	-82.05%	-71.16%
Max Drawdown (1Y) Largest decline over 1 year	-8.12%	-15.92%	+7.80%
Max Drawdown (5Y) Largest decline over 5 years	-155.81%	-33.56%	-122.25%
Max Drawdown (10Y) Largest decline over 10 years	-153.21%	-33.56%	-119.65%
Current Drawdown Current decline from peak	-147.68%	-11.04%	-136.64%
Average Drawdown Average peak-to-trough decline	-31.66%	-35.17%	+3.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.31%	4.98%	-1.67%

Volatility

GLTL.L vs. XLK - Volatility Comparison

The current volatility for SPDR Bloomberg 15+ Year Gilt UCITS ETF (GLTL.L) is 5.11%, while State Street Technology Select Sector SPDR ETF (XLK) has a volatility of 7.05%. This indicates that GLTL.L experiences smaller price fluctuations and is considered to be less risky than XLK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GLTL.L	XLK	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.11%	7.05%	-1.94%
Volatility (6M) Calculated over the trailing 6-month period	8.24%	15.92%	-7.68%
Volatility (1Y) Calculated over the trailing 1-year period	12.69%	27.13%	-14.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	90.33%	23.49%	+66.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	64.58%	24.26%	+40.32%