TCAI vs. STHH

Last updated Jun 24, 2026

TCAI (Tortoise AI Infrastructure ETF) and STHH (STMicroelectronics NV ADRhedged) are both Technology Equities funds. TCAI is actively managed, while STHH is passively managed. A 0.58 correlation means they provide meaningful diversification when combined. TCAI charges 0.65%/yr vs 0.19%/yr for STHH.

Performance

TCAI vs. STHH - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tortoise AI Infrastructure ETF (TCAI) and STMicroelectronics NV ADRhedged (STHH). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TCAI achieves a 86.83% return, which is significantly lower than STHH's 187.72% return.

TCAI

• 1D: -4.84%
• 1M: 10.54%
• YTD: 86.83%
• 6M: 82.92%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

STHH

• 1D: -8.12%
• 1M: 10.72%
• YTD: 187.72%
• 6M: 187.07%
• 1Y: 158.32%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TCAI vs. STHH - Yearly Performance Comparison

	2026 (YTD)	2025
TCAI Tortoise AI Infrastructure ETF	86.83%	17.27%
STHH STMicroelectronics NV ADRhedged	187.72%	3.37%

Correlation

The correlation between TCAI and STHH is 0.58, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Aug 5, 2025	0.58

Return for Risk

TCAI vs. STHH — Risk / Return Rank

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

TCAI

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

STHH

STHH Risk / Return Rank: 81
STHH Sharpe Ratio Rank: 92
STHH Sortino Ratio Rank: 81
STHH Omega Ratio Rank: 84
STHH Calmar Ratio Rank: 88
STHH Martin Ratio Rank: 63

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.

TCAI vs. STHH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tortoise AI Infrastructure ETF (TCAI) and STMicroelectronics NV ADRhedged (STHH). 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.

	TCAI	STHH	Difference
Sharpe ratio: Return per unit of total volatility	—	3.02	—
Sortino ratio: Return per unit of downside risk	—	3.33	—
Omega ratio: Gain probability vs. loss probability	—	1.47	—
Calmar ratio: Return relative to maximum drawdown	—	4.70	—
Martin ratio: Return relative to average drawdown	—	10.65	—

Drawdowns

TCAI vs. STHH - Drawdown Comparison

The maximum TCAI drawdown since its inception was -15.80%, smaller than the maximum STHH drawdown of -33.89%. Use the drawdown chart below to compare losses from any high point for TCAI and STHH.

Drawdown Indicators

	TCAI	STHH	Difference
Max Drawdown Largest peak-to-trough decline	-15.80%	-33.89%	+18.09%
Max Drawdown (1Y) Largest decline over 1 year	—	-33.89%	—
Current Drawdown Current decline from peak	-4.84%	-8.12%	+3.28%
Average Drawdown Average peak-to-trough decline	-3.54%	-10.17%	+6.63%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	14.93%	—

Volatility

Volatility by Period

	TCAI	STHH	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	25.53%	—
Volatility (6M) Calculated over the trailing 6-month period	—	41.13%	—
Volatility (1Y) Calculated over the trailing 1-year period	37.57%	52.67%	-15.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	37.57%	51.51%	-13.94%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	37.57%	51.51%	-13.94%

TCAI vs. STHH - Expense Ratio Comparison

TCAI has a 0.65% expense ratio, which is higher than STHH's 0.19% expense ratio.

Dividends

TCAI vs. STHH - Dividend Comparison

TCAI's dividend yield for the trailing twelve months is around 0.03%, less than STHH's 0.70% yield.

Position	TTM	2025
STHH STMicroelectronics NV ADRhedged	0.70%	0.69%
TCAI Tortoise AI Infrastructure ETF	0.03%	0.05%

Frequently Asked Questions

Can I hold both TCAI and STHH in my portfolio?

TCAI and STHH have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, TCAI or STHH?

On fees, STHH is cheaper at 0.19% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, TCAI or STHH?

STHH is cheaper with a 0.19% expense ratio, compared with 0.65% for TCAI.

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

STHH has the higher dividend yield at 0.70%, compared with 0.03% for TCAI.

What is the main difference between TCAI and STHH?

They also come from different issuers: Tortoise and ADRhedged. Their fees differ too: 0.65% for TCAI and 0.19% for STHH.