WCLD vs. BUG

Last updated Jul 14, 2026

WCLD (WisdomTree Cloud Computing Fund) and BUG (Global X Cybersecurity ETF) are both Technology Equities funds - WCLD tracks the BVP Nasdaq Emerging Cloud Index while BUG tracks the Indxx Cybersecurity Index. Both are passively managed. Over the past 5 years, WCLD returned -8.91%/yr vs 6.80%/yr for BUG. Their correlation of 0.88 suggests significant overlap in exposure. WCLD charges 0.45%/yr vs 0.50%/yr for BUG.

Performance

WCLD vs. BUG - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in WisdomTree Cloud Computing Fund (WCLD) and Global X Cybersecurity ETF (BUG). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WCLD achieves a -1.20% return, which is significantly lower than BUG's 30.14% return.

WCLD

• 1D: 2.16%
• 1M: 13.00%
• 6M: -0.14%
• YTD: -1.20%
• 1Y: -0.35%
• 3Y*: 1.37%
• 5Y*: -8.91%
• 10Y*: —

BUG

• 1D: 0.69%
• 1M: 16.21%
• 6M: 28.99%
• YTD: 30.14%
• 1Y: 14.02%
• 3Y*: 18.33%
• 5Y*: 6.80%
• 10Y*: —

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

WCLD vs. BUG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
WCLD WisdomTree Cloud Computing Fund	-1.20%	-6.69%	7.35%	39.35%	-51.64%	-3.21%	109.71%	4.88%
BUG Global X Cybersecurity ETF	30.14%	-5.04%	9.59%	41.40%	-33.63%	13.24%	70.83%	6.21%

Correlation

The correlation between WCLD and BUG is 0.88, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.88
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (All Time) Calculated using the full available price history since Oct 31, 2019	0.88

The correlation between WCLD and BUG has been stable across timeframes, ranging from 0.85 to 0.88 - a consistent structural relationship.

WCLD vs. BUG - Sectors Allocation Comparison

Sectors	WCLD	BUG
Technology	97.3%	100.0%
Healthcare	2.7%	0.0%
Communication Services	2.5%	0.0%
Basic Materials	-	-
Consumer Cyclical	-	0.0%
Consumer Defensive	-	0.0%
Energy	-	-
Financial Services	-	-
Industrials	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

WCLD vs. BUG — Risk / Return Rank

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

WCLD

WCLD Risk / Return Rank: 10
WCLD Sharpe Ratio Rank: 9
WCLD Sortino Ratio Rank: 10
WCLD Omega Ratio Rank: 10
WCLD Calmar Ratio Rank: 9
WCLD Martin Ratio Rank: 9

BUG

BUG Risk / Return Rank: 16
BUG Sharpe Ratio Rank: 17
BUG Sortino Ratio Rank: 18
BUG Omega Ratio Rank: 18
BUG Calmar Ratio Rank: 15
BUG 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.

WCLD vs. BUG - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree Cloud Computing Fund (WCLD) and Global X Cybersecurity ETF (BUG). 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.

	WCLD	BUG	Difference
Sharpe ratio: Return per unit of total volatility	-0.01	0.44	-0.45
Sortino ratio: Return per unit of downside risk	0.24	0.81	-0.57
Omega ratio: Gain probability vs. loss probability	1.03	1.10	-0.07
Calmar ratio: Return relative to maximum drawdown	-0.01	0.40	-0.41
Martin ratio: Return relative to average drawdown	-0.02	0.87	-0.89

WCLD vs. BUG - Sharpe Ratio Comparison

The current WCLD Sharpe Ratio is -0.01, which is lower than the BUG Sharpe Ratio of 0.44. The chart below compares the historical Sharpe Ratios of WCLD and BUG, 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

WCLD vs. BUG - Drawdown Comparison

The maximum WCLD drawdown since its inception was -64.90%, which is greater than BUG's maximum drawdown of -41.66%. Use the drawdown chart below to compare losses from any high point for WCLD and BUG.

Drawdown Indicators

	WCLD	BUG	Difference
Max Drawdown Largest peak-to-trough decline	-64.90%	-41.66%	-23.24%
Max Drawdown (1Y) Largest decline over 1 year	-34.68%	-35.16%	+0.48%
Max Drawdown (3Y) Largest decline over 3 years	-42.06%	-37.69%	-4.37%
Max Drawdown (5Y) Largest decline over 5 years	-64.90%	-41.66%	-23.24%
Current Drawdown Current decline from peak	-47.05%	-2.96%	-44.09%
Average Drawdown Average peak-to-trough decline	-35.77%	-14.30%	-21.47%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.42%	16.11%	-0.69%

Volatility

WCLD vs. BUG - Volatility Comparison

WisdomTree Cloud Computing Fund (WCLD) and Global X Cybersecurity ETF (BUG) have volatilities of 9.75% and 9.49%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WCLD	BUG	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.75%	9.49%	+0.26%
Volatility (6M) Calculated over the trailing 6-month period	31.29%	27.35%	+3.94%
Volatility (1Y) Calculated over the trailing 1-year period	35.98%	31.89%	+4.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	37.65%	28.81%	+8.84%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	37.42%	29.40%	+8.02%

WCLD vs. BUG - Expense Ratio Comparison

WCLD has a 0.45% expense ratio, which is lower than BUG's 0.50% expense ratio.

Dividends

WCLD vs. BUG - Dividend Comparison

WCLD has not paid dividends to shareholders, while BUG's dividend yield for the trailing twelve months is around 0.03%.

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%
WCLD WisdomTree Cloud Computing Fund	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both WCLD and BUG in my portfolio?

WCLD and BUG have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WCLD or BUG?

WCLD has higher volatility (9.75%) compared to BUG (9.49%). In terms of maximum drawdown, WCLD dropped -64.90% vs BUG's -41.66%.

Which ETF is better, WCLD or BUG?

On 5-year performance, BUG leads with 6.80% vs -8.91% for WCLD. On fees, WCLD is cheaper at 0.45% per year. On volatility, BUG has been the lower-risk option at 9.49%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, WCLD or BUG?

Over the 5-year period, BUG has performed better with a 6.80% return vs -8.91%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, WCLD or BUG?

WCLD is cheaper with a 0.45% expense ratio, compared with 0.50% for BUG.

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

BUG has the higher dividend yield at 0.03%, compared with 0.00% for WCLD.

What is the main difference between WCLD and BUG?

WCLD tracks BVP Nasdaq Emerging Cloud Index, while BUG tracks Indxx Cybersecurity Index. They also come from different issuers: WisdomTree and Global X. Their fees differ too: 0.45% for WCLD and 0.50% for BUG.

Which has better risk-adjusted returns?

BUG currently has the higher Sharpe Ratio (0.44 vs -0.01), 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.