BUG vs CLOU Stock Comparison: AI Score, Valuation, Performance and Upside
BUG (Global X Cybersecurity) and CLOU (Global X Cloud Computing) are both Global X thematic ETFs targeting different technology sub-themes — BUG concentrates in pure-play cybersecurity software companies, while CLOU provides exposure to cloud infrastructure, SaaS platforms, and cloud-enabled businesses. Both follow similar pure-play revenue thresholds; BUG has a lower expense ratio and more concentrated leadership exposure.
BUG vs CLOU is cybersecurity defense spending (security software required by every enterprise regardless of economic cycle) versus cloud migration acceleration (enterprise IT shifting to subscription cloud models across IaaS, PaaS, and SaaS) — two complementary but distinct technology spending themes within enterprise software.
BUG holds the edge across 5 of 5 key metrics in this comparison. BUG has delivered stronger 1-year price return (+25.84% vs +16.69% for CLOU).
- Want pure-play cybersecurity company exposure — companies earning the majority of revenue from network security, endpoint protection, identity management, and cloud security products
- Value cybersecurity as a non-discretionary enterprise spending category that has shown more recession resilience than other technology spending categories
- Accept the premium valuation risk of high-growth cybersecurity leaders (Palo Alto, CrowdStrike) in exchange for concentrated exposure to the category leaders taking enterprise security market share
- Want broad cloud computing exposure across IaaS, PaaS, and SaaS categories — the full cloud value chain from infrastructure to enterprise software subscriptions
- Value the enterprise cloud migration secular trend as a multi-decade technology spending shift from capital expenditure (buying servers) to operating expenditure (renting cloud services)
- Accept cloud software's higher interest rate sensitivity and valuation volatility for exposure to high-growth cloud-native companies that may not appear in broad technology indexes
| Metric | BUG | CLOU |
|---|---|---|
| ETF scorei | 63.0 | 40.0 |
| Latest closei | $44.34 | $27.82 |
| 1M returni | +7.86% | -0.11% |
| 6M returni | +72.26% | +41.51% |
| 1Y returni | +25.84% | +16.69% |
The ETF score weights long-term returns and risk-adjusted performance most heavily, but still rewards low expense ratios, larger fund size, and broader diversification — so it can favor low-cost, broad, mega-cap funds over smaller thematic or actively-managed funds even when the latter have delivered stronger returns.
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | BUG | CLOU |
|---|---|---|
| 1Y ago | $12.59K (+25.9%) started 2025-09-18 | $11.67K (+16.7%) started 2025-09-18 |
| 5Y ago | $14.9K (+49.0%) started 2021-09-20 | $9.6K (-4.0%) started 2021-09-20 |
| 10Y ago | $29.74K (+197.4%) started 2019-11-01 | $19.19K (+91.9%) started 2019-04-16 |
Hypothetical — past performance does not guarantee future results.
| Metric | BUG | CLOU |
|---|---|---|
| Expense ratioi | 0.50% | 0.68% |
| Total assets (AUM)i | $1.73B | $382.47M |
| Dividend yieldi | 0.03% | 0.00% |
| Trailing P/Ei | 37.35 | 31.17 |
| Betai | 0.88 | 1.08 |
| 52-week change | 25.84% | 16.69% |
| Metric | BUG | CLOU |
|---|---|---|
| 1Y returni | +25.84% | +16.69% |
| 6M returni | +72.26% | +41.51% |
| 1M returni | +7.86% | -0.11% |
| 1Y Sharpe ratio | 0.69 | 0.50 |
| Betai | 0.88 | 1.08 |
| Dividend yieldi | 0.03% | 0.00% |
| 5Y CAGR | +7.78% | -1.16% |
Over the past year, BUG and CLOU have moved strongly in the same direction (correlation of 0.82), based on daily returns.
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
| Period | Metric | BUG | CLOU |
|---|---|---|---|
| 1Y | Growthi | +25.84% | +16.69% |
| CAGRi | +25.86% | +16.71% | |
| Volatilityi | 37.03% | 32.15% | |
| Sharpe ratioi | 0.69 | 0.50 | |
| Sortino ratioi | 1.05 | 0.75 | |
| Max drawdowni | 35.16% | 27.24% | |
| Current drawdowni | 2.16% | 4.43% | |
| Avg drawdowni | 12.90% | 9.56% | |
| Ulcer Indexi | 16.22% | 11.89% | |
| Max daily dropi | 5.54% | 5.93% | |
| Max wkly dropi | 12.87% | 11.51% | |
| 5Y | Growthi | +45.37% | -5.67% |
| CAGRi | +7.78% | -1.16% | |
| Volatilityi | 30.14% | 31.35% | |
| Sharpe ratioi | 0.25 | -0.02 | |
| Sortino ratioi | 0.36 | -0.04 | |
| Max drawdowni | 41.66% | 53.74% | |
| Current drawdowni | 2.16% | 11.92% | |
| Avg drawdowni | 17.21% | 32.83% | |
| Ulcer Indexi | 20.45% | 34.57% | |
| Max daily dropi | 6.75% | 6.97% | |
| Max wkly dropi | 15.49% | 16.39% | |
| 10Y | Growthi | +187.65% | +88.47% |
| CAGRi | +16.60% | +8.91% | |
| Volatilityi | 30.12% | 30.84% | |
| Sharpe ratioi | 0.51 | 0.29 | |
| Sortino ratioi | 0.74 | 0.41 | |
| Max drawdowni | 41.66% | 53.74% | |
| Current drawdowni | 2.16% | 11.92% | |
| Avg drawdowni | 14.06% | 24.22% | |
| Ulcer Indexi | 17.96% | 28.78% | |
| Max daily dropi | 8.66% | 10.41% | |
| Max wkly dropi | 19.76% | 18.66% |
| Category | BUG | CLOU |
|---|---|---|
| Fund name | Global X Cybersecurity ETF | Global X Cloud Computing ETF |
| Type | ETF | ETF |
| Expense ratioi | 0.50% | 0.68% |
| Total assets (AUM)i | $1.73B | $382.47M |
| Dividend yieldi | 0.03% | 0.00% |
- Pure-play cybersecurity revenue requirement — BUG screens for companies deriving a majority of revenue from cybersecurity, avoiding technology conglomerates with only partial security exposure
- Structural growth driver — enterprise cybersecurity spending has grown consistently above overall IT budgets as threat complexity, regulatory requirements, and cloud migration create sustained demand
- Concentrated in category leaders (Palo Alto Networks, CrowdStrike, Fortinet) that have demonstrated consistent revenue growth and market share gains
- Cloud revenue purity — CLOU requires significant cloud revenue, filtering out traditional software companies with minimal cloud exposure versus those genuinely transitioning or native to cloud
- Broad cloud model coverage across SaaS (subscriptions), IaaS (infrastructure), and cloud-enabled businesses captures multiple layers of the cloud value chain
- Enterprise cloud migration is a multi-decade secular trend — on-premise to cloud conversion, international cloud expansion, and AI-as-a-service growth sustain long-term cloud spending
- High valuation risk — cybersecurity growth companies often trade at premium revenue multiples; a deceleration in growth or risk-off rotation can cause significant multiple compression
- Competition from large tech platforms (Microsoft, Google, Amazon) entering cybersecurity creates pricing pressure for specialized cybersecurity vendors in BUG's portfolio
- Expense ratio (0.50%) is higher than broad technology ETFs for concentrated sector exposure
- Higher expense ratio (0.68%) than many alternatives for cloud company exposure
- Cloud software valuations are highly sensitive to interest rates — high-multiple SaaS companies were severely repriced in 2022 as rate hikes compressed future earnings discounts
- Microsoft, Amazon, and Google cloud divisions dominate IaaS/PaaS but may not appear in CLOU if they don't meet the revenue concentration threshold — the largest cloud companies might be underrepresented
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