XYLU.L vs. BUGG.L

Last updated Jul 29, 2026

XYLU.L (Global X S&P 500 Covered Call UCITS ETF USD) and BUGG.L (Global X Cybersecurity UCITS ETF USD Accumulating) are both exchange-traded funds - XYLU.L is a Derivative Income fund tracking the Cboe S&P 500 BuyWrite 15% WHT Index, while BUGG.L is a Technology Equities fund tracking the MSCI World/Information Tech NR USD. Both are passively managed. Over the past 3 years, XYLU.L returned 11.34%/yr vs 15.44%/yr for BUGG.L. Their 0.43 correlation means their historical movements had little consistent relationship. XYLU.L charges 0.45%/yr vs 0.50%/yr for BUGG.L.

Performance

XYLU.L vs. BUGG.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Global X S&P 500 Covered Call UCITS ETF USD (XYLU.L) and Global X Cybersecurity UCITS ETF USD Accumulating (BUGG.L). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

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

Returns By Period

In the year-to-date period, XYLU.L achieves a 8.52% return, which is significantly lower than BUGG.L's 24.46% return.

XYLU.L

• 1D: 0.00%
• 1M: 3.00%
• 6M: 7.00%
• YTD: 8.52%
• 1Y: 17.96%
• 3Y*: 11.34%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 11.70%

BUGG.L

• 1D: 0.00%
• 1M: 9.47%
• 6M: 25.28%
• YTD: 24.46%
• 1Y: 8.00%
• 3Y*: 15.44%
• 5Y*: —
• 10Y*: —
• ALL TIME*: -3.47%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
BUGG.L Global X Cybersecurity UCITS ETF USD Accumulating	$239.37K	$252.91K	$271.75K
XYLU.L Global X S&P 500 Covered Call UCITS ETF USD	$196.14K	$234.50K	$262.11K

XYLU.L vs. BUGG.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
XYLU.L Global X S&P 500 Covered Call UCITS ETF USD	8.52%	7.85%	18.11%	1.33%
BUGG.L Global X Cybersecurity UCITS ETF USD Accumulating	24.46%	-4.71%	9.35%	22.63%

Correlation

The correlation between XYLU.L and BUGG.L is 0.32, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.32
Correlation (3Y) Balances recent behavior with more history.	0.43
Correlation (All Time) Calculated using the full available price history since Jul 11, 2023	0.43

The correlation between XYLU.L and BUGG.L shifts across timeframes, from 0.32 (1 year) to 0.43 (3 years), reflecting how their relationship changes across market environments.

Return for Risk

XYLU.L vs. BUGG.L — Risk / Return Rank

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

XYLU.L

XYLU.L Risk / Return Rank: 91
XYLU.L Sharpe Ratio Rank: 91
XYLU.L Sortino Ratio Rank: 93
XYLU.L Omega Ratio Rank: 92
XYLU.L Calmar Ratio Rank: 87
XYLU.L Martin Ratio Rank: 93

BUGG.L

BUGG.L Risk / Return Rank: 16
BUGG.L Sharpe Ratio Rank: 16
BUGG.L Sortino Ratio Rank: 17
BUGG.L Omega Ratio Rank: 18
BUGG.L Calmar Ratio Rank: 15
BUGG.L Martin Ratio Rank: 14

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.

XYLU.L vs. BUGG.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X S&P 500 Covered Call UCITS ETF USD (XYLU.L) and Global X Cybersecurity UCITS ETF USD Accumulating (BUGG.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.

	XYLU.L	BUGG.L	Difference
Sharpe ratio: Return per unit of total volatility	2.26	0.25	+2.02
Sortino ratio: Return per unit of downside risk	3.51	0.57	+2.94
Omega ratio: Gain probability vs. loss probability	1.44	1.07	+0.37
Calmar ratio: Return relative to maximum drawdown	3.47	0.23	+3.24
Martin ratio: Return relative to average drawdown	17.37	0.50	+16.88

XYLU.L vs. BUGG.L - Sharpe Ratio Comparison

The current XYLU.L Sharpe Ratio is 2.26, which is higher than the BUGG.L Sharpe Ratio of 0.25. The chart below compares the historical Sharpe Ratios of XYLU.L and BUGG.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

XYLU.L vs. BUGG.L - Drawdown Comparison

The maximum XYLU.L drawdown since its inception was -17.20%, smaller than the maximum BUGG.L drawdown of -55.50%. Use the drawdown chart below to compare losses from any high point for XYLU.L and BUGG.L.

Drawdown Indicators

	XYLU.L	BUGG.L	Difference
Max Drawdown Largest peak-to-trough decline	-17.20%	-55.50%	+38.30%
Max Drawdown (1Y) Largest decline over 1 year	-5.17%	-34.90%	+29.73%
Max Drawdown (3Y) Largest decline over 3 years	-17.20%	-36.84%	+19.64%
Current Drawdown Current decline from peak	-0.74%	-15.27%	+14.53%
Average Drawdown Average peak-to-trough decline	-1.95%	-36.05%	+34.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.03%	16.15%	-15.12%

Volatility

XYLU.L vs. BUGG.L - Volatility Comparison

The current volatility for Global X S&P 500 Covered Call UCITS ETF USD (XYLU.L) is 2.50%, while Global X Cybersecurity UCITS ETF USD Accumulating (BUGG.L) has a volatility of 11.49%. This indicates that XYLU.L experiences smaller price fluctuations and is considered to be less risky than BUGG.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	XYLU.L	BUGG.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.50%	11.49%	-8.99%
Volatility (6M) Calculated over the trailing 6-month period	6.66%	29.15%	-22.49%
Volatility (1Y) Calculated over the trailing 1-year period	7.93%	32.50%	-24.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	10.36%	30.96%	-20.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	10.36%	30.96%	-20.60%

XYLU.L vs. BUGG.L - Expense Ratio Comparison

XYLU.L has a 0.45% expense ratio, which is lower than BUGG.L's 0.50% expense ratio.

Dividends

XYLU.L vs. BUGG.L - Dividend Comparison

XYLU.L's dividend yield for the trailing twelve months is around 11.75%, while BUGG.L has not paid dividends to shareholders.

Position	TTM	2025	2024	2023
BUGG.L Global X Cybersecurity UCITS ETF USD Accumulating	0.00%	0.00%	0.00%	0.00%
XYLU.L Global X S&P 500 Covered Call UCITS ETF USD	11.75%	10.48%	7.24%	3.88%

Frequently Asked Questions

Can I hold both XYLU.L and BUGG.L in my portfolio?

XYLU.L and BUGG.L have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, XYLU.L or BUGG.L?

On fees, XYLU.L is cheaper at 0.45% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, XYLU.L or BUGG.L?

XYLU.L is cheaper with a 0.45% expense ratio, compared with 0.50% for BUGG.L.

What is the main difference between XYLU.L and BUGG.L?

XYLU.L is categorized as Derivative Income, while BUGG.L is Technology Equities. XYLU.L tracks Cboe S&P 500 BuyWrite 15% WHT Index, while BUGG.L tracks MSCI World/Information Tech NR USD. Their fees differ too: 0.45% for XYLU.L and 0.50% for BUGG.L.