TEK vs. TCAI

Last updated Jun 5, 2026

TEK (iShares Technology Opportunities Active ETF) and TCAI (Tortoise AI Infrastructure ETF) are both Technology Equities funds. Both are actively managed. Their correlation of 0.80 suggests significant overlap in exposure. 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 39.87% return, which is significantly lower than TCAI's 84.98% return.

TEK

• 1D: -1.99%
• 1M: 13.74%
• YTD: 39.87%
• 6M: 37.87%
• 1Y: 61.28%
• 3Y*: —
• 5Y*: —
• 10Y*: —

TCAI

• 1D: -2.45%
• 1M: 11.90%
• YTD: 84.98%
• 6M: 76.57%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TEK vs. TCAI - Yearly Performance Comparison

	2026 (YTD)	2025
TEK iShares Technology Opportunities Active ETF	39.87%	6.13%
TCAI Tortoise AI Infrastructure ETF	84.98%	17.77%

Correlation

The correlation between TEK and TCAI is 0.80, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (All Time) Calculated using the full available price history since Aug 6, 2025	0.80

TEK vs. TCAI - Sectors Allocation Comparison

Sectors	TEK	TCAI
Technology	85.2%	44.0%
Communication Services	6.0%	1.1%
Consumer Cyclical	3.9%	1.4%
Industrials	2.8%	29.9%
Basic Materials	0.9%	-
Financial Services	0.4%	6.4%
Consumer Defensive	-	-
Energy	-	6.1%
Healthcare	-	-
Real Estate	-	0.6%
Utilities	-	11.1%

Return for Risk

TEK vs. TCAI — Risk / Return Rank

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

TEK

TEK Risk / Return Rank: 66
TEK Sharpe Ratio Rank: 75
TEK Sortino Ratio Rank: 68
TEK Omega Ratio Rank: 67
TEK Calmar Ratio Rank: 66
TEK Martin Ratio Rank: 54

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. 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.

	TEK	TCAI	Difference
Sharpe ratio: Return per unit of total volatility	2.40	—	—
Sortino ratio: Return per unit of downside risk	3.06	—	—
Omega ratio: Gain probability vs. loss probability	1.39	—	—
Calmar ratio: Return relative to maximum drawdown	3.19	—	—
Martin ratio: Return relative to average drawdown	9.29	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	TEK	TCAI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.40	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.34	4.35	-3.01

Drawdowns

TEK vs. TCAI - Drawdown Comparison

The maximum TEK drawdown since its inception was -28.24%, which is greater than TCAI's maximum drawdown of -15.80%. 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%	-15.80%	-12.44%
Max Drawdown (1Y) Largest decline over 1 year	-19.29%	—	—
Current Drawdown Current decline from peak	-2.64%	-2.71%	+0.07%
Average Drawdown Average peak-to-trough decline	-5.88%	-3.43%	-2.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.62%	—	—

Volatility

Volatility by Period

	TEK	TCAI	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.38%	—	—
Volatility (6M) Calculated over the trailing 6-month period	21.28%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	25.71%	35.87%	-10.16%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.20%	35.87%	-6.67%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.20%	35.87%	-6.67%

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 1.16%, 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	1.16%	1.62%

Frequently Asked Questions

Can I hold both TEK and TCAI in my portfolio?

TEK and TCAI have a correlation of 0.80, 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 1.16%, compared with 0.03% for TCAI.

What is the main difference between TEK and TCAI?

They also come from different issuers: iShares and Tortoise. Their fees differ too: 0.75% for TEK and 0.65% for TCAI.