BUG vs. XLK
Compare and contrast key facts about Global X Cybersecurity ETF (BUG) and State Street Technology Select Sector SPDR ETF (XLK).
BUG and XLK are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BUG is a passively managed fund by Global X that tracks the performance of the Indxx Cybersecurity Index. It was launched on Oct 25, 2019. 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 BUG 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
BUG vs. XLK - Performance Comparison
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BUG vs. XLK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
BUG Global X Cybersecurity ETF | -17.56% | -5.04% | 9.59% | 41.40% | -33.63% | 13.24% | 70.83% | 6.55% |
XLK State Street Technology Select Sector SPDR ETF | -7.57% | 24.61% | 21.63% | 56.02% | -27.73% | 34.74% | 43.62% | 9.92% |
Returns By Period
In the year-to-date period, BUG achieves a -17.56% return, which is significantly lower than XLK's -7.57% return.
BUG
- 1D
- 3.33%
- 1M
- 0.00%
- YTD
- -17.56%
- 6M
- -28.62%
- 1Y
- -22.33%
- 3Y*
- 2.39%
- 5Y*
- 0.17%
- 10Y*
- —
XLK
- 1D
- 4.24%
- 1M
- -4.10%
- YTD
- -7.57%
- 6M
- -5.44%
- 1Y
- 29.46%
- 3Y*
- 21.58%
- 5Y*
- 15.31%
- 10Y*
- 20.82%
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BUG vs. XLK - Expense Ratio Comparison
BUG has a 0.50% expense ratio, which is higher than XLK's 0.08% expense ratio.
Return for Risk
BUG vs. XLK — Risk / Return Rank
BUG
XLK
BUG vs. XLK - 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 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.
| BUG | XLK | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.80 | 1.10 | -1.89 |
Sortino ratioReturn per unit of downside risk | -1.00 | 1.66 | -2.66 |
Omega ratioGain probability vs. loss probability | 0.88 | 1.23 | -0.36 |
Calmar ratioReturn relative to maximum drawdown | -0.66 | 1.85 | -2.51 |
Martin ratioReturn relative to average drawdown | -1.53 | 5.98 | -7.52 |
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
| BUG | XLK | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.80 | 1.10 | -1.89 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.01 | 0.62 | -0.62 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.86 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.29 | 0.36 | -0.07 |
Correlation
The correlation between BUG and XLK is 0.69, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
BUG vs. XLK - Dividend Comparison
BUG's dividend yield for the trailing twelve months is around 0.05%, less than XLK's 0.57% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BUG Global X Cybersecurity ETF | 0.05% | 0.04% | 0.09% | 0.10% | 1.56% | 0.66% | 0.46% | 0.24% | 0.00% | 0.00% | 0.00% | 0.00% |
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
BUG vs. XLK - Drawdown Comparison
The maximum BUG drawdown since its inception was -41.66%, smaller than the maximum XLK drawdown of -82.05%. Use the drawdown chart below to compare losses from any high point for BUG and XLK.
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Drawdown Indicators
| BUG | XLK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.66% | -82.05% | +40.39% |
Max Drawdown (1Y)Largest decline over 1 year | -35.69% | -15.92% | -19.77% |
Max Drawdown (5Y)Largest decline over 5 years | -41.66% | -33.56% | -8.10% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.56% | — |
Current DrawdownCurrent decline from peak | -32.85% | -12.36% | -20.49% |
Average DrawdownAverage peak-to-trough decline | -14.21% | -35.17% | +20.96% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 15.33% | 4.93% | +10.40% |
Volatility
BUG vs. XLK - Volatility Comparison
Global X Cybersecurity ETF (BUG) has a higher volatility of 8.65% compared to State Street Technology Select Sector SPDR ETF (XLK) at 8.06%. This indicates that BUG's price experiences larger fluctuations and is considered to be riskier than XLK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| BUG | XLK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.65% | 8.06% | +0.59% |
Volatility (6M)Calculated over the trailing 6-month period | 19.90% | 16.43% | +3.47% |
Volatility (1Y)Calculated over the trailing 1-year period | 28.21% | 27.02% | +1.19% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 27.45% | 24.72% | +2.73% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 28.70% | 24.33% | +4.37% |