BUG vs. XLKI

Last updated Aug 4, 2026

BUG (Global X Cybersecurity ETF) and XLKI (State Street Technology Select Sector SPDR Premium Income ETF) are both Technology Equities funds. BUG is passively managed, while XLKI is actively managed. Over the past year, BUG returned 16.71% vs 26.30% for XLKI. Their 0.45 correlation means their historical movements had little consistent relationship. BUG charges 0.50%/yr vs 0.35%/yr for XLKI.

Performance

BUG vs. XLKI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Global X Cybersecurity ETF (BUG) and State Street Technology Select Sector SPDR Premium Income ETF (XLKI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BUG achieves a 29.15% return, which is significantly higher than XLKI's 12.19% return.

BUG

• 1D: 3.31%
• 1M: 0.03%
• 6M: 37.22%
• YTD: 29.15%
• 1Y: 16.71%
• 3Y*: 18.33%
• 5Y*: 5.68%
• 10Y*: —
• ALL TIME*: 15.13%

XLKI

• 1D: 1.38%
• 1M: 0.31%
• 6M: 9.72%
• YTD: 12.19%
• 1Y: 26.30%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 23.17%

*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)
BUG Global X Cybersecurity ETF	$54.94M	$54.62M	$45.09M
XLKI State Street Technology Select Sector SPDR Premium Income ETF	$526.89K	$421.64K	$346.32K

BUG vs. XLKI - Yearly Performance Comparison

	2026 (YTD)	2025
BUG Global X Cybersecurity ETF	29.15%	-14.69%
XLKI State Street Technology Select Sector SPDR Premium Income ETF	12.19%	10.02%

Correlation

The correlation between BUG and XLKI is 0.44, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.44
Correlation (All Time) Calculated using the full available price history since Jul 30, 2025	0.45

BUG vs. XLKI - Sectors Allocation Comparison

Sectors	BUG	XLKI
Technology	100.0%	99.2%
Communication Services	0.0%	0.8%
Consumer Cyclical	0.0%	-
Consumer Defensive	0.0%	-
Healthcare	0.0%	-
Basic Materials	-	-
Energy	-	-
Financial Services	-	99.9%
Industrials	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

BUG vs. XLKI — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

BUG

BUG Risk / Return Rank: 22
BUG Sharpe Ratio Rank: 23
BUG Sortino Ratio Rank: 25
BUG Omega Ratio Rank: 25
BUG Calmar Ratio Rank: 19
BUG Martin Ratio Rank: 19

XLKI

XLKI Risk / Return Rank: 57
XLKI Sharpe Ratio Rank: 52
XLKI Sortino Ratio Rank: 50
XLKI Omega Ratio Rank: 53
XLKI Calmar Ratio Rank: 65
XLKI Martin Ratio Rank: 66

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

BUG vs. XLKI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Global X Cybersecurity ETF (BUG) and State Street Technology Select Sector SPDR Premium Income ETF (XLKI). 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.

	BUG	XLKI	Difference
Sharpe ratio: Return per unit of total volatility	0.51	1.33	-0.82
Sortino ratio: Return per unit of downside risk	0.91	1.84	-0.93
Omega ratio: Gain probability vs. loss probability	1.11	1.25	-0.14
Calmar ratio: Return relative to maximum drawdown	0.48	2.36	-1.88
Martin ratio: Return relative to average drawdown	1.04	8.25	-7.21

BUG vs. XLKI - Sharpe Ratio Comparison

The current BUG Sharpe Ratio is 0.51, which is lower than the XLKI Sharpe Ratio of 1.33. The chart below compares the historical Sharpe Ratios of BUG and XLKI, 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

BUG vs. XLKI - Drawdown Comparison

The maximum BUG drawdown since its inception was -41.66%, which is greater than XLKI's maximum drawdown of -11.21%. Use the drawdown chart below to compare losses from any high point for BUG and XLKI.

Drawdown Indicators

	BUG	XLKI	Difference
Max Drawdown Largest peak-to-trough decline	-41.66%	-11.21%	-30.45%
Max Drawdown (1Y) Largest decline over 1 year	-35.16%	-11.21%	-23.95%
Max Drawdown (3Y) Largest decline over 3 years	-37.69%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-41.66%	—	—
Current Drawdown Current decline from peak	-6.31%	-5.44%	-0.87%
Average Drawdown Average peak-to-trough decline	-14.24%	-2.17%	-12.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	16.10%	3.20%	+12.90%

Volatility

BUG vs. XLKI - Volatility Comparison

Global X Cybersecurity ETF (BUG) has a higher volatility of 11.30% compared to State Street Technology Select Sector SPDR Premium Income ETF (XLKI) at 8.46%. This indicates that BUG's price experiences larger fluctuations and is considered to be riskier than XLKI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BUG	XLKI	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.30%	8.46%	+2.84%
Volatility (6M) Calculated over the trailing 6-month period	28.29%	17.52%	+10.77%
Volatility (1Y) Calculated over the trailing 1-year period	32.97%	19.95%	+13.02%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.05%	19.92%	+9.13%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.49%	19.92%	+9.57%

BUG vs. XLKI - Expense Ratio Comparison

BUG has a 0.50% expense ratio, which is higher than XLKI's 0.35% expense ratio.

Dividends

BUG vs. XLKI - Dividend Comparison

BUG's dividend yield for the trailing twelve months is around 0.03%, less than XLKI's 19.68% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
BUG Global X Cybersecurity ETF	0.03%	0.04%	0.09%	0.10%	1.56%	0.66%	0.46%	0.24%
XLKI State Street Technology Select Sector SPDR Premium Income ETF	19.68%	8.52%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both BUG and XLKI in my portfolio?

BUG and XLKI have a correlation of 0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BUG or XLKI?

BUG has higher volatility (11.30%) compared to XLKI (8.46%). In terms of maximum drawdown, BUG dropped -41.66% vs XLKI's -11.21%.

Which ETF is better, BUG or XLKI?

On 1-year performance, XLKI leads with 26.30% vs 16.71% for BUG. On fees, XLKI is cheaper at 0.35% per year. On volatility, XLKI has been the lower-risk option at 8.46%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BUG or XLKI?

Over the 1-year period, XLKI has performed better with a 26.30% return vs 16.71%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BUG or XLKI?

XLKI is cheaper with a 0.35% expense ratio, compared with 0.50% for BUG.

Which ETF pays a higher dividend yield, BUG or XLKI?

XLKI has the higher dividend yield at 19.68%, compared with 0.03% for BUG.

What is the main difference between BUG and XLKI?

They also come from different issuers: Global X and State Street. Their fees differ too: 0.50% for BUG and 0.35% for XLKI.

Which has better risk-adjusted returns?

XLKI currently has the higher Sharpe Ratio (1.33 vs 0.51), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.