BUG vs. SPY
BUG (Global X Cybersecurity ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - BUG is a Technology Equities fund tracking the Indxx Cybersecurity Index, while SPY is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past 5 years, BUG returned 6.86%/yr vs 13.83%/yr for SPY. A 0.64 correlation means they provide meaningful diversification when combined. BUG charges 0.50%/yr vs 0.09%/yr for SPY.
Performance
BUG vs. SPY - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, BUG achieves a 20.72% return, which is significantly higher than SPY's 10.91% return.
BUG
- 1D
- -4.04%
- 1M
- 33.08%
- YTD
- 20.72%
- 6M
- 15.17%
- 1Y
- 2.89%
- 3Y*
- 15.82%
- 5Y*
- 6.86%
- 10Y*
- —
SPY
- 1D
- -0.70%
- 1M
- 5.05%
- YTD
- 10.91%
- 6M
- 10.91%
- 1Y
- 27.98%
- 3Y*
- 22.35%
- 5Y*
- 13.83%
- 10Y*
- 15.49%
BUG vs. SPY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|---|
BUG Global X Cybersecurity ETF | 20.72% | -5.04% | 9.59% | 41.40% | -33.63% | 13.24% | 70.83% | 6.55% |
SPY State Street SPDR S&P 500 ETF | 10.91% | 17.72% | 24.89% | 26.18% | -18.18% | 28.73% | 18.33% | 6.63% |
Correlation
The correlation between BUG and SPY is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.48 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.62 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.66 |
Correlation (All Time) Calculated using the full available price history since Nov 1, 2019 | 0.64 |
The correlation between BUG and SPY shifts across timeframes, from 0.48 (1 year) to 0.66 (5 years), reflecting how their relationship changes across market environments.
BUG vs. SPY - Sectors Allocation Comparison
Sectors
BUG
SPY
Technology
Communication Services
Consumer Cyclical
Consumer Defensive
Healthcare
Basic Materials
-
Energy
-
Financial Services
-
Industrials
-
Real Estate
-
Utilities
-
Technology
BUG
SPY
Communication Services
BUG
SPY
Consumer Cyclical
BUG
SPY
Consumer Defensive
BUG
SPY
Healthcare
BUG
SPY
Basic Materials
BUG
-
SPY
Energy
BUG
-
SPY
Financial Services
BUG
-
SPY
Industrials
BUG
-
SPY
Real Estate
BUG
-
SPY
Utilities
BUG
-
SPY
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
BUG vs. SPY — Risk / Return Rank
BUG
SPY
BUG vs. SPY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Global X Cybersecurity ETF (BUG) and State Street SPDR S&P 500 ETF (SPY). 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 | SPY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.28 | ||
| Sortino ratioReturn per unit of downside risk | -2.90 | ||
| Omega ratioGain probability vs. loss probability | 1.04 | 1.43 | -0.39 |
| Calmar ratioReturn relative to maximum drawdown | 0.08 | 3.16 | -3.09 |
| Martin ratioReturn relative to average drawdown | 0.16 | 14.72 | -14.56 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| BUG | SPY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.09 | 2.38 | -2.28 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.24 | 0.82 | -0.57 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.87 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.49 | 0.59 | -0.09 |
Drawdowns
BUG vs. SPY - Drawdown Comparison
The maximum BUG drawdown since its inception was -41.66%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for BUG and SPY.
Loading charts...
Drawdown Indicators
| BUG | SPY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.66% | -55.19% | +13.53% |
Max Drawdown (1Y)Largest decline over 1 year | -37.69% | -8.88% | -28.81% |
Max Drawdown (3Y)Largest decline over 3 years | -37.69% | -18.76% | -18.93% |
Max Drawdown (5Y)Largest decline over 5 years | -41.66% | -24.50% | -17.16% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.72% | — |
Current DrawdownCurrent decline from peak | -4.62% | -0.70% | -3.92% |
Average DrawdownAverage peak-to-trough decline | -14.42% | -9.05% | -5.37% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 18.36% | 1.91% | +16.45% |
Volatility
BUG vs. SPY - Volatility Comparison
Global X Cybersecurity ETF (BUG) has a higher volatility of 14.07% compared to State Street SPDR S&P 500 ETF (SPY) at 2.84%. This indicates that BUG's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| BUG | SPY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 14.07% | 2.84% | +11.23% |
Volatility (6M)Calculated over the trailing 6-month period | 25.81% | 8.90% | +16.91% |
Volatility (1Y)Calculated over the trailing 1-year period | 30.78% | 11.83% | +18.95% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 28.47% | 17.05% | +11.42% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 29.33% | 17.94% | +11.39% |
BUG vs. SPY - Expense Ratio Comparison
BUG has a 0.50% expense ratio, which is higher than SPY's 0.09% expense ratio.
Dividends
BUG vs. SPY - Dividend Comparison
BUG's dividend yield for the trailing twelve months is around 0.03%, less than SPY's 0.98% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
BUG Global X Cybersecurity ETF | 0.03% | 0.04% | 0.09% | 0.10% | 1.56% | 0.66% | 0.46% | 0.24% | 0.00% | 0.00% | 0.00% | 0.00% |
SPY State Street SPDR S&P 500 ETF | 0.98% | 1.07% | 1.21% | 1.40% | 1.65% | 1.20% | 1.52% | 1.75% | 2.04% | 1.80% | 2.03% | 2.06% |
Frequently Asked Questions
BUG and SPY have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
BUG has higher volatility (14.07%) compared to SPY (2.84%). In terms of maximum drawdown, BUG dropped -41.66% vs SPY's -55.19%.
On 5-year performance, SPY leads with 13.83% vs 6.86% for BUG. On fees, SPY is cheaper at 0.09% per year. On volatility, SPY has been the lower-risk option at 2.84%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, SPY has performed better with a 13.83% return vs 6.86%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
SPY is cheaper with a 0.09% expense ratio, compared with 0.50% for BUG.
SPY has the higher dividend yield at 0.98%, compared with 0.03% for BUG.
BUG is categorized as Technology Equities, while SPY is S&P 500. BUG tracks Indxx Cybersecurity Index, while SPY tracks S&P 500 Index. They also come from different issuers: Global X and State Street. Their fees differ too: 0.50% for BUG and 0.09% for SPY.
SPY currently has the higher Sharpe Ratio (2.38 vs 0.09), 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.
Find the right allocation for BUG and SPY
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer