STHH vs. TCAI

Last updated Aug 6, 2026

STHH (STMicroelectronics NV ADRhedged) and TCAI (Tortoise AI Infrastructure ETF) are both exchange-traded funds - STHH is a Technology Equities fund tracking the STMicroelectronics NV Local Shares Total Return, while TCAI is a Artificial Intelligence fund actively managed by Tortoise. STHH is passively managed, while TCAI is actively managed. Over the past year, STHH returned 117.48% vs 89.45% for TCAI. Their 0.62 correlation means they have sometimes moved together and sometimes differently. STHH charges 0.19%/yr vs 0.65%/yr for TCAI.

Performance

STHH vs. TCAI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in STMicroelectronics NV ADRhedged (STHH) 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, STHH achieves a 109.29% return, which is significantly higher than TCAI's 60.86% return.

STHH

• 1D: -2.75%
• 1M: -25.78%
• 6M: 85.93%
• YTD: 109.29%
• 1Y: 117.48%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 101.66%

TCAI

• 1D: -1.89%
• 1M: -7.01%
• 6M: 44.60%
• YTD: 60.86%
• 1Y: 89.45%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 88.73%

*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)
STHH STMicroelectronics NV ADRhedged	$165.48K	$244.02K	$517.88K
TCAI Tortoise AI Infrastructure ETF	$4.27M	$5.30M	$6.63M

STHH vs. TCAI - Yearly Performance Comparison

	2026 (YTD)	2025
STHH STMicroelectronics NV ADRhedged	109.29%	3.37%
TCAI Tortoise AI Infrastructure ETF	60.86%	17.27%

Correlation

The correlation between STHH and TCAI is 0.62, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.62
Correlation (All Time) Calculated using the full available price history since Aug 5, 2025	0.62

The correlation between STHH and TCAI has been stable across timeframes, ranging from 0.62 to 0.62 - a consistent structural relationship.

Return for Risk

STHH vs. TCAI — Risk / Return Rank

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

STHH

STHH Risk / Return Rank: 75
STHH Sharpe Ratio Rank: 81
STHH Sortino Ratio Rank: 68
STHH Omega Ratio Rank: 75
STHH Calmar Ratio Rank: 77
STHH Martin Ratio Rank: 70

TCAI

TCAI Risk / Return Rank: 76
TCAI Sharpe Ratio Rank: 84
TCAI Sortino Ratio Rank: 68
TCAI Omega Ratio Rank: 71
TCAI Calmar Ratio Rank: 77
TCAI Martin Ratio Rank: 81

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.

STHH vs. TCAI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for STMicroelectronics NV ADRhedged (STHH) 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.

	STHH	TCAI	Difference
Sharpe ratio: Return per unit of total volatility	2.09	2.16	-0.07
Sortino ratio: Return per unit of downside risk	2.56	2.54	+0.02
Omega ratio: Gain probability vs. loss probability	1.35	1.34	+0.02
Calmar ratio: Return relative to maximum drawdown	3.11	3.12	-0.01
Martin ratio: Return relative to average drawdown	9.83	12.13	-2.30

STHH vs. TCAI - Sharpe Ratio Comparison

The current STHH Sharpe Ratio is 2.09, which is comparable to the TCAI Sharpe Ratio of 2.16. The chart below compares the historical Sharpe Ratios of STHH and TCAI, 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

STHH vs. TCAI - Drawdown Comparison

The maximum STHH drawdown since its inception was -37.98%, which is greater than TCAI's maximum drawdown of -28.82%. Use the drawdown chart below to compare losses from any high point for STHH and TCAI.

Drawdown Indicators

	STHH	TCAI	Difference
Max Drawdown Largest peak-to-trough decline	-37.98%	-28.82%	-9.16%
Max Drawdown (1Y) Largest decline over 1 year	-37.98%	-28.82%	-9.16%
Current Drawdown Current decline from peak	-33.16%	-18.06%	-15.10%
Average Drawdown Average peak-to-trough decline	-11.04%	-4.87%	-6.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.00%	7.40%	+4.60%

Volatility

STHH vs. TCAI - Volatility Comparison

STMicroelectronics NV ADRhedged (STHH) has a higher volatility of 26.36% compared to Tortoise AI Infrastructure ETF (TCAI) at 19.03%. This indicates that STHH's price experiences larger fluctuations and is considered to be riskier than TCAI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	STHH	TCAI	Difference
Volatility (1M) Calculated over the trailing 1-month period	26.36%	19.03%	+7.33%
Volatility (6M) Calculated over the trailing 6-month period	48.49%	35.70%	+12.79%
Volatility (1Y) Calculated over the trailing 1-year period	56.56%	41.68%	+14.88%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	55.08%	41.68%	+13.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	55.08%	41.68%	+13.40%

STHH vs. TCAI - Expense Ratio Comparison

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

Dividends

STHH vs. TCAI - Dividend Comparison

STHH's dividend yield for the trailing twelve months is around 0.96%, more than TCAI's 0.03% yield.

Position	TTM	2025
STHH STMicroelectronics NV ADRhedged	0.96%	0.69%
TCAI Tortoise AI Infrastructure ETF	0.03%	0.05%

Frequently Asked Questions

Can I hold both STHH and TCAI in my portfolio?

STHH and TCAI have a correlation of 0.62, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, STHH or TCAI?

STHH has higher volatility (26.36%) compared to TCAI (19.03%). In terms of maximum drawdown, STHH dropped -37.98% vs TCAI's -28.82%.

Which ETF is better, STHH or TCAI?

On 1-year performance, STHH leads with 117.48% vs 89.45% for TCAI. On fees, STHH is cheaper at 0.19% per year. On volatility, TCAI has been the lower-risk option at 19.03%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, STHH or TCAI?

Over the 1-year period, STHH has performed better with a 117.48% return vs 89.45%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, STHH or TCAI?

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

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

STHH has the higher dividend yield at 0.96%, compared with 0.03% for TCAI.

What is the main difference between STHH and TCAI?

STHH is categorized as Technology Equities, while TCAI is Artificial Intelligence. They also come from different issuers: ADRhedged and Tortoise. Their fees differ too: 0.19% for STHH and 0.65% for TCAI.

Which has better risk-adjusted returns?

TCAI currently has the higher Sharpe Ratio (2.16 vs 2.09), 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.