TEK vs. AIBD

Last updated Jul 12, 2026

TEK (iShares Technology Opportunities Active ETF) and AIBD (Direxion Daily AI and Big Data Bear 2X Shares) are both exchange-traded funds - TEK is a Technology Equities fund actively managed by iShares, while AIBD is a Inverse Equities fund tracking the Solactive US AI & Big Data Index. TEK is actively managed, while AIBD is passively managed. Over the past year, TEK returned 45.45% vs -43.82% for AIBD. At a correlation of -0.84, they often move in opposite directions. TEK charges 0.75%/yr vs 1.05%/yr for AIBD.

Performance

TEK vs. AIBD - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Technology Opportunities Active ETF (TEK) and Direxion Daily AI and Big Data Bear 2X Shares (AIBD). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TEK achieves a 33.41% return, which is significantly higher than AIBD's -31.99% return.

TEK

• 1D: -0.54%
• 1M: -0.72%
• 6M: 30.48%
• YTD: 33.41%
• 1Y: 45.45%
• 3Y*: —
• 5Y*: —
• 10Y*: —

AIBD

• 1D: 0.46%
• 1M: -2.87%
• 6M: -29.24%
• YTD: -31.99%
• 1Y: -43.82%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TEK vs. AIBD - Yearly Performance Comparison

	2026 (YTD)	2025	2024
TEK iShares Technology Opportunities Active ETF	33.41%	18.63%	2.63%
AIBD Direxion Daily AI and Big Data Bear 2X Shares	-31.99%	-49.15%	-12.74%

Correlation

The correlation between TEK and AIBD is -0.78, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.78
Correlation (All Time) Calculated using the full available price history since Oct 22, 2024	-0.84

The correlation between TEK and AIBD has been stable across timeframes, ranging from -0.84 to -0.78 - a consistent structural relationship.

Return for Risk

TEK vs. AIBD — Risk / Return Rank

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

TEK

TEK Risk / Return Rank: 52
TEK Sharpe Ratio Rank: 53
TEK Sortino Ratio Rank: 48
TEK Omega Ratio Rank: 52
TEK Calmar Ratio Rank: 58
TEK Martin Ratio Rank: 48

AIBD

AIBD Risk / Return Rank: 2
AIBD Sharpe Ratio Rank: 3
AIBD Sortino Ratio Rank: 3
AIBD Omega Ratio Rank: 3
AIBD Calmar Ratio Rank: 3
AIBD Martin Ratio Rank: 1

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.

TEK vs. AIBD - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Technology Opportunities Active ETF (TEK) and Direxion Daily AI and Big Data Bear 2X Shares (AIBD). 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.

	TEK	AIBD	Difference
Sharpe ratio: Return per unit of total volatility	1.46	-0.84	+2.30
Sortino ratio: Return per unit of downside risk	1.96	-1.18	+3.15
Omega ratio: Gain probability vs. loss probability	1.26	0.87	+0.39
Calmar ratio: Return relative to maximum drawdown	2.32	-0.78	+3.10
Martin ratio: Return relative to average drawdown	6.43	-1.60	+8.02

TEK vs. AIBD - Sharpe Ratio Comparison

The current TEK Sharpe Ratio is 1.46, which is higher than the AIBD Sharpe Ratio of -0.84. The chart below compares the historical Sharpe Ratios of TEK and AIBD, 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

TEK vs. AIBD - Drawdown Comparison

The maximum TEK drawdown since its inception was -28.24%, smaller than the maximum AIBD drawdown of -82.11%. Use the drawdown chart below to compare losses from any high point for TEK and AIBD.

Drawdown Indicators

	TEK	AIBD	Difference
Max Drawdown Largest peak-to-trough decline	-28.24%	-82.11%	+53.87%
Max Drawdown (1Y) Largest decline over 1 year	-19.29%	-58.75%	+39.46%
Current Drawdown Current decline from peak	-7.41%	-79.30%	+71.89%
Average Drawdown Average peak-to-trough decline	-5.89%	-49.52%	+43.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.96%	28.77%	-21.81%

Volatility

TEK vs. AIBD - Volatility Comparison

The current volatility for iShares Technology Opportunities Active ETF (TEK) is 15.19%, while Direxion Daily AI and Big Data Bear 2X Shares (AIBD) has a volatility of 17.62%. This indicates that TEK experiences smaller price fluctuations and is considered to be less risky than AIBD based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TEK	AIBD	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.19%	17.62%	-2.43%
Volatility (6M) Calculated over the trailing 6-month period	26.87%	41.86%	-14.99%
Volatility (1Y) Calculated over the trailing 1-year period	30.69%	54.76%	-24.07%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	31.29%	57.23%	-25.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.29%	57.23%	-25.94%

TEK vs. AIBD - Expense Ratio Comparison

TEK has a 0.75% expense ratio, which is lower than AIBD's 1.05% expense ratio.

Dividends

TEK vs. AIBD - Dividend Comparison

TEK's dividend yield for the trailing twelve months is around 1.19%, less than AIBD's 3.71% yield.

Position	TTM	2025	2024
AIBD Direxion Daily AI and Big Data Bear 2X Shares	3.71%	4.37%	3.58%
TEK iShares Technology Opportunities Active ETF	1.19%	1.62%	0.00%

Frequently Asked Questions

Can I hold both TEK and AIBD in my portfolio?

TEK and AIBD have a correlation of -0.78, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TEK or AIBD?

AIBD has higher volatility (17.62%) compared to TEK (15.19%). In terms of maximum drawdown, TEK dropped -28.24% vs AIBD's -82.11%.

Which ETF is better, TEK or AIBD?

On 1-year performance, TEK leads with 45.45% vs -43.82% for AIBD. On fees, TEK is cheaper at 0.75% per year. On volatility, TEK has been the lower-risk option at 15.19%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TEK or AIBD?

Over the 1-year period, TEK has performed better with a 45.45% return vs -43.82%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TEK or AIBD?

TEK is cheaper with a 0.75% expense ratio, compared with 1.05% for AIBD.

Which ETF pays a higher dividend yield, TEK or AIBD?

AIBD has the higher dividend yield at 3.71%, compared with 1.19% for TEK.

What is the main difference between TEK and AIBD?

TEK is categorized as Technology Equities, while AIBD is Inverse Equities. They also come from different issuers: iShares and Direxion. Their fees differ too: 0.75% for TEK and 1.05% for AIBD.

Which has better risk-adjusted returns?

TEK currently has the higher Sharpe Ratio (1.46 vs -0.84), 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.