TEK vs. TCAI

Last updated Aug 2, 2026

TEK (iShares Technology Opportunities Active ETF) and TCAI (Tortoise AI Infrastructure ETF) are both exchange-traded funds - TEK is a Technology Equities fund actively managed by iShares, while TCAI is a Artificial Intelligence fund actively managed by Tortoise. Both are actively managed. Their correlation of 0.83 means they have usually moved in the same direction. TEK charges 0.75%/yr vs 0.65%/yr for TCAI.

Performance

TEK vs. TCAI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Technology Opportunities Active ETF (TEK) and Tortoise AI Infrastructure ETF (TCAI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TEK achieves a 21.44% return, which is significantly lower than TCAI's 55.27% return.

TEK

• 1D: 1.29%
• 1M: -7.12%
• 6M: 19.04%
• YTD: 21.44%
• 1Y: 30.40%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 24.70%

TCAI

• 1D: -0.41%
• 1M: -7.41%
• 6M: 37.28%
• YTD: 55.27%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
TCAI Tortoise AI Infrastructure ETF	$4.79M	$5.54M	$6.96M
TEK iShares Technology Opportunities Active ETF	$171.97K	$226.82K	$208.52K

TEK vs. TCAI - Yearly Performance Comparison

	2026 (YTD)	2025
TEK iShares Technology Opportunities Active ETF	21.44%	4.92%
TCAI Tortoise AI Infrastructure ETF	55.27%	17.27%

Correlation

The correlation between TEK and TCAI is 0.83, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (All Time) Calculated using the full available price history since Aug 5, 2025	0.83

TEK vs. TCAI - Sectors Allocation Comparison

Sectors	TEK	TCAI
Technology	85.8%	44.4%
Industrials	5.3%	30.5%
Communication Services	5.2%	2.2%
Consumer Cyclical	2.9%	2.1%
Basic Materials	0.8%	-
Financial Services	0.3%	7.2%
Consumer Defensive	-	-
Energy	-	3.9%
Healthcare	-	-
Real Estate	-	0.6%
Utilities	-	9.8%

Return for Risk

TEK vs. TCAI — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

TEK

TEK Risk / Return Rank: 35
TEK Sharpe Ratio Rank: 34
TEK Sortino Ratio Rank: 35
TEK Omega Ratio Rank: 34
TEK Calmar Ratio Rank: 35
TEK Martin Ratio Rank: 36

TCAI

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

TEK vs. TCAI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Technology Opportunities Active ETF (TEK) and Tortoise AI Infrastructure ETF (TCAI). 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	TCAI	Difference
Sharpe ratio: Return per unit of total volatility	0.83	—	—
Sortino ratio: Return per unit of downside risk	1.30	—	—
Omega ratio: Gain probability vs. loss probability	1.16	—	—
Calmar ratio: Return relative to maximum drawdown	1.23	—	—
Martin ratio: Return relative to average drawdown	3.53	—	—

Drawdowns

TEK vs. TCAI - Drawdown Comparison

The maximum TEK drawdown since its inception was -28.24%, roughly equal to the maximum TCAI drawdown of -28.82%. Use the drawdown chart below to compare losses from any high point for TEK and TCAI.

Drawdown Indicators

	TEK	TCAI	Difference
Max Drawdown Largest peak-to-trough decline	-28.24%	-28.82%	+0.58%
Max Drawdown (1Y) Largest decline over 1 year	-22.55%	—	—
Current Drawdown Current decline from peak	-15.72%	-20.91%	+5.19%
Average Drawdown Average peak-to-trough decline	-6.17%	-4.71%	-1.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.82%	—	—

Volatility

Volatility by Period

	TEK	TCAI	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.74%	—	—
Volatility (6M) Calculated over the trailing 6-month period	29.28%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	33.18%	41.71%	-8.53%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	32.24%	41.71%	-9.47%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	32.24%	41.71%	-9.47%

TEK vs. TCAI - Expense Ratio Comparison

TEK has a 0.75% expense ratio, which is higher than TCAI's 0.65% expense ratio.

Dividends

TEK vs. TCAI - Dividend Comparison

TEK's dividend yield for the trailing twelve months is around 1.31%, more than TCAI's 0.03% yield.

Position	TTM	2025
TCAI Tortoise AI Infrastructure ETF	0.03%	0.05%
TEK iShares Technology Opportunities Active ETF	1.31%	1.62%

Frequently Asked Questions

Can I hold both TEK and TCAI in my portfolio?

TEK and TCAI have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, TEK or TCAI?

On fees, TCAI is cheaper at 0.65% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, TEK or TCAI?

TCAI is cheaper with a 0.65% expense ratio, compared with 0.75% for TEK.

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

TEK has the higher dividend yield at 1.31%, compared with 0.03% for TCAI.

What is the main difference between TEK and TCAI?

TEK is categorized as Technology Equities, while TCAI is Artificial Intelligence. They also come from different issuers: iShares and Tortoise. Their fees differ too: 0.75% for TEK and 0.65% for TCAI.