WCBR vs. AIBU

Last updated Jun 4, 2026

WCBR (WisdomTree Cybersecurity Fund) and AIBU (Direxion Daily AI and Big Data Bull 2X Shares) are both exchange-traded funds - WCBR is a Technology Equities fund tracking the WisdomTree Team8 Cybersecurity Index, while AIBU is a Leveraged Equities fund tracking the Solactive US AI & Big Data Index. Both are passively managed. Over the past year, WCBR returned 12.83% vs 109.46% for AIBU. A 0.65 correlation means they provide meaningful diversification when combined. WCBR charges 0.45%/yr vs 0.96%/yr for AIBU.

Performance

WCBR vs. AIBU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in WisdomTree Cybersecurity Fund (WCBR) and Direxion Daily AI and Big Data Bull 2X Shares (AIBU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, WCBR achieves a 26.82% return, which is significantly lower than AIBU's 48.05% return.

WCBR

• 1D: -3.87%
• 1M: 30.04%
• YTD: 26.82%
• 6M: 19.91%
• 1Y: 12.83%
• 3Y*: 22.02%
• 5Y*: 9.81%
• 10Y*: —

AIBU

• 1D: -4.35%
• 1M: 29.93%
• YTD: 48.05%
• 6M: 34.98%
• 1Y: 109.46%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

WCBR vs. AIBU - Yearly Performance Comparison

	2026 (YTD)	2025	2024
WCBR WisdomTree Cybersecurity Fund	26.82%	-1.44%	14.81%
AIBU Direxion Daily AI and Big Data Bull 2X Shares	48.05%	42.25%	38.36%

Correlation

The correlation between WCBR and AIBU is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.57
Correlation (All Time) Calculated using the full available price history since May 16, 2024	0.65

The correlation between WCBR and AIBU has been stable across timeframes, ranging from 0.57 to 0.65 - a consistent structural relationship.

WCBR vs. AIBU - Sectors Allocation Comparison

Sectors	WCBR	AIBU
Technology	100.0%	26.0%
Basic Materials	-	-
Communication Services	-	3.6%
Consumer Cyclical	-	2.3%
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Healthcare	-	0.2%
Industrials	-	0.1%
Real Estate	-	-
Utilities	-	-

Return for Risk

WCBR vs. AIBU — Risk / Return Rank

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

WCBR

WCBR Risk / Return Rank: 14
WCBR Sharpe Ratio Rank: 14
WCBR Sortino Ratio Rank: 15
WCBR Omega Ratio Rank: 16
WCBR Calmar Ratio Rank: 14
WCBR Martin Ratio Rank: 13

AIBU

AIBU Risk / Return Rank: 53
AIBU Sharpe Ratio Rank: 70
AIBU Sortino Ratio Rank: 56
AIBU Omega Ratio Rank: 55
AIBU Calmar Ratio Rank: 46
AIBU Martin Ratio Rank: 36

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.

WCBR vs. AIBU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree Cybersecurity Fund (WCBR) and Direxion Daily AI and Big Data Bull 2X Shares (AIBU). 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.

	WCBR	AIBU	Difference
Sharpe ratio: Return per unit of total volatility	0.40	2.31	-1.91
Sortino ratio: Return per unit of downside risk	0.75	2.67	-1.92
Omega ratio: Gain probability vs. loss probability	1.10	1.34	-0.25
Calmar ratio: Return relative to maximum drawdown	0.43	2.26	-1.83
Martin ratio: Return relative to average drawdown	0.99	5.52	-4.53
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WCBR vs. AIBU - Sharpe Ratio Comparison

The current WCBR Sharpe Ratio is 0.40, which is lower than the AIBU Sharpe Ratio of 2.31. The chart below compares the historical Sharpe Ratios of WCBR and AIBU, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	WCBR	AIBU	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.40	2.31	-1.91
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.29	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.21	1.25	-1.04

Drawdowns

WCBR vs. AIBU - Drawdown Comparison

The maximum WCBR drawdown since its inception was -52.25%, roughly equal to the maximum AIBU drawdown of -51.17%. Use the drawdown chart below to compare losses from any high point for WCBR and AIBU.

Drawdown Indicators

	WCBR	AIBU	Difference
Max Drawdown Largest peak-to-trough decline	-52.25%	-51.17%	-1.08%
Max Drawdown (1Y) Largest decline over 1 year	-29.92%	-48.71%	+18.79%
Max Drawdown (3Y) Largest decline over 3 years	-30.27%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-52.25%	—	—
Current Drawdown Current decline from peak	-4.56%	-4.35%	-0.21%
Average Drawdown Average peak-to-trough decline	-20.36%	-13.76%	-6.60%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.03%	19.91%	-6.88%

Volatility

WCBR vs. AIBU - Volatility Comparison

The current volatility for WisdomTree Cybersecurity Fund (WCBR) is 13.55%, while Direxion Daily AI and Big Data Bull 2X Shares (AIBU) has a volatility of 14.56%. This indicates that WCBR experiences smaller price fluctuations and is considered to be less risky than AIBU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WCBR	AIBU	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.55%	14.56%	-1.01%
Volatility (6M) Calculated over the trailing 6-month period	27.26%	36.96%	-9.70%
Volatility (1Y) Calculated over the trailing 1-year period	32.16%	47.71%	-15.55%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.60%	55.37%	-21.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.59%	55.37%	-21.78%

WCBR vs. AIBU - Expense Ratio Comparison

WCBR has a 0.45% expense ratio, which is lower than AIBU's 0.96% expense ratio.

Dividends

WCBR vs. AIBU - Dividend Comparison

WCBR has not paid dividends to shareholders, while AIBU's dividend yield for the trailing twelve months is around 1.51%.

Position	TTM	2025	2024	2023	2022	2021
AIBU Direxion Daily AI and Big Data Bull 2X Shares	1.51%	2.27%	1.33%	0.00%	0.00%	0.00%
WCBR WisdomTree Cybersecurity Fund	0.00%	0.00%	0.02%	0.00%	0.03%	0.43%

Frequently Asked Questions

Can I hold both WCBR and AIBU in my portfolio?

WCBR and AIBU have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, WCBR or AIBU?

AIBU has higher volatility (14.56%) compared to WCBR (13.55%). In terms of maximum drawdown, WCBR dropped -52.25% vs AIBU's -51.17%.

Which ETF is better, WCBR or AIBU?

On 1-year performance, AIBU leads with 109.46% vs 12.83% for WCBR. On fees, WCBR is cheaper at 0.45% per year. On volatility, WCBR has been the lower-risk option at 13.55%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, WCBR or AIBU?

Over the 1-year period, AIBU has performed better with a 109.46% return vs 12.83%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, WCBR or AIBU?

WCBR is cheaper with a 0.45% expense ratio, compared with 0.96% for AIBU.

Which ETF pays a higher dividend yield, WCBR or AIBU?

AIBU has the higher dividend yield at 1.51%, compared with 0.00% for WCBR.

What is the main difference between WCBR and AIBU?

WCBR is categorized as Technology Equities, while AIBU is Leveraged Equities. WCBR tracks WisdomTree Team8 Cybersecurity Index, while AIBU tracks Solactive US AI & Big Data Index. They also come from different issuers: WisdomTree and Direxion. Their fees differ too: 0.45% for WCBR and 0.96% for AIBU.

Which has better risk-adjusted returns?

AIBU currently has the higher Sharpe Ratio (2.31 vs 0.40), 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.