TEK vs. AIS

Last updated Jul 14, 2026

TEK (iShares Technology Opportunities Active ETF) and AIS (VistaShares Artificial Intelligence Supercycle ETF) are both Technology Equities funds. Both are actively managed. Over the past year, TEK returned 39.18% vs 156.70% for AIS. Their correlation of 0.90 suggests significant overlap in exposure. Both charge a 0.75% expense ratio.

Performance

TEK vs. AIS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Technology Opportunities Active ETF (TEK) and VistaShares Artificial Intelligence Supercycle ETF (AIS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TEK achieves a 27.66% return, which is significantly lower than AIS's 90.47% return.

TEK

• 1D: -4.31%
• 1M: -5.00%
• 6M: 23.88%
• YTD: 27.66%
• 1Y: 39.18%
• 3Y*: —
• 5Y*: —
• 10Y*: —

AIS

• 1D: -5.97%
• 1M: -6.35%
• 6M: 76.19%
• YTD: 90.47%
• 1Y: 156.70%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TEK vs. AIS - Yearly Performance Comparison

	2026 (YTD)	2025	2024
TEK iShares Technology Opportunities Active ETF	27.66%	18.63%	-0.62%
AIS VistaShares Artificial Intelligence Supercycle ETF	90.47%	58.35%	-4.74%

Correlation

The correlation between TEK and AIS is 0.90, 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	0.90
Correlation (All Time) Calculated using the full available price history since Dec 3, 2024	0.90

The correlation between TEK and AIS has been stable across timeframes, ranging from 0.90 to 0.90 - a consistent structural relationship.

TEK vs. AIS - Sectors Allocation Comparison

Sectors	TEK	AIS
Technology	86.1%	86.2%
Communication Services	6.0%	-
Consumer Cyclical	4.0%	-
Industrials	2.7%	7.8%
Basic Materials	0.9%	-
Financial Services	0.3%	-0.1%
Consumer Defensive	-	0.3%
Energy	-	-
Healthcare	-	-
Real Estate	-	-
Utilities	-	2.9%

Return for Risk

TEK vs. AIS — Risk / Return Rank

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

TEK

TEK Risk / Return Rank: 45
TEK Sharpe Ratio Rank: 45
TEK Sortino Ratio Rank: 42
TEK Omega Ratio Rank: 44
TEK Calmar Ratio Rank: 51
TEK Martin Ratio Rank: 43

AIS

AIS Risk / Return Rank: 95
AIS Sharpe Ratio Rank: 97
AIS Sortino Ratio Rank: 92
AIS Omega Ratio Rank: 92
AIS Calmar Ratio Rank: 97
AIS Martin Ratio Rank: 96

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. AIS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Technology Opportunities Active ETF (TEK) and VistaShares Artificial Intelligence Supercycle ETF (AIS). 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	AIS	Difference
Sharpe ratio: Return per unit of total volatility	1.27	3.54	-2.27
Sortino ratio: Return per unit of downside risk	1.75	3.49	-1.73
Omega ratio: Gain probability vs. loss probability	1.23	1.49	-0.26
Calmar ratio: Return relative to maximum drawdown	2.04	8.46	-6.42
Martin ratio: Return relative to average drawdown	5.62	26.67	-21.05

TEK vs. AIS - Sharpe Ratio Comparison

The current TEK Sharpe Ratio is 1.27, which is lower than the AIS Sharpe Ratio of 3.54. The chart below compares the historical Sharpe Ratios of TEK and AIS, 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. AIS - Drawdown Comparison

The maximum TEK drawdown since its inception was -28.24%, smaller than the maximum AIS drawdown of -32.78%. Use the drawdown chart below to compare losses from any high point for TEK and AIS.

Drawdown Indicators

	TEK	AIS	Difference
Max Drawdown Largest peak-to-trough decline	-28.24%	-32.78%	+4.54%
Max Drawdown (1Y) Largest decline over 1 year	-19.29%	-18.63%	-0.66%
Current Drawdown Current decline from peak	-11.40%	-18.63%	+7.23%
Average Drawdown Average peak-to-trough decline	-5.90%	-5.68%	-0.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.99%	5.90%	+1.09%

Volatility

TEK vs. AIS - Volatility Comparison

The current volatility for iShares Technology Opportunities Active ETF (TEK) is 15.63%, while VistaShares Artificial Intelligence Supercycle ETF (AIS) has a volatility of 23.94%. This indicates that TEK experiences smaller price fluctuations and is considered to be less risky than AIS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TEK	AIS	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.63%	23.94%	-8.31%
Volatility (6M) Calculated over the trailing 6-month period	27.20%	39.78%	-12.58%
Volatility (1Y) Calculated over the trailing 1-year period	31.05%	44.66%	-13.61%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	31.44%	42.54%	-11.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.44%	42.54%	-11.10%

TEK vs. AIS - Expense Ratio Comparison

Both TEK and AIS have an expense ratio of 0.75%.

Dividends

TEK vs. AIS - Dividend Comparison

TEK's dividend yield for the trailing twelve months is around 1.24%, while AIS has not paid dividends to shareholders.

Position	TTM	2025
AIS VistaShares Artificial Intelligence Supercycle ETF	0.00%	0.00%
TEK iShares Technology Opportunities Active ETF	1.24%	1.62%

Frequently Asked Questions

Can I hold both TEK and AIS in my portfolio?

With a correlation of 0.90, TEK and AIS move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, TEK or AIS?

AIS has higher volatility (23.94%) compared to TEK (15.63%). In terms of maximum drawdown, TEK dropped -28.24% vs AIS's -32.78%.

Which ETF is better, TEK or AIS?

On 1-year performance, AIS leads with 156.70% vs 39.18% for TEK. Both ETFs have the same 0.75% expense ratio. On volatility, TEK has been the lower-risk option at 15.63%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TEK or AIS?

Over the 1-year period, AIS has performed better with a 156.70% return vs 39.18%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TEK or AIS?

TEK and AIS have the same expense ratio: 0.75% per year.

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

TEK has the higher dividend yield at 1.24%, compared with 0.00% for AIS.

What is the main difference between TEK and AIS?

They also come from different issuers: iShares and VistaShares.

Which has better risk-adjusted returns?

AIS currently has the higher Sharpe Ratio (3.54 vs 1.27), 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.