TCAI vs. ROBO

Last updated Jun 9, 2026

TCAI (Tortoise AI Infrastructure ETF) and ROBO (ROBO Global Robotics & Automation Index ETF) are both exchange-traded funds - TCAI is a Technology Equities fund actively managed by Tortoise, while ROBO is a Robotics fund tracking the ROBO Global Robotics and Automation TR Index. TCAI is actively managed, while ROBO is passively managed. A 0.71 correlation means they provide meaningful diversification when combined. TCAI charges 0.65%/yr vs 0.95%/yr for ROBO.

Performance

TCAI vs. ROBO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Tortoise AI Infrastructure ETF (TCAI) and ROBO Global Robotics & Automation Index ETF (ROBO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TCAI achieves a 74.50% return, which is significantly higher than ROBO's 21.67% return.

TCAI

• 1D: 1.87%
• 1M: 6.30%
• YTD: 74.50%
• 6M: 65.04%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

ROBO

• 1D: 1.14%
• 1M: -2.60%
• YTD: 21.67%
• 6M: 19.42%
• 1Y: 48.39%
• 3Y*: 14.36%
• 5Y*: 5.97%
• 10Y*: 13.02%

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

TCAI vs. ROBO - Yearly Performance Comparison

	2026 (YTD)	2025
TCAI Tortoise AI Infrastructure ETF	74.50%	17.27%
ROBO ROBO Global Robotics & Automation Index ETF	21.67%	10.41%

Correlation

The correlation between TCAI and ROBO is 0.71, 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	0.71

TCAI vs. ROBO - Sectors Allocation Comparison

Sectors	TCAI	ROBO
Technology	44.0%	41.9%
Industrials	29.9%	46.8%
Utilities	11.1%	-
Financial Services	6.4%	2.2%
Energy	6.1%	-
Consumer Cyclical	1.4%	3.1%
Communication Services	1.1%	1.1%
Real Estate	0.6%	-
Basic Materials	-	-
Consumer Defensive	-	1.3%
Healthcare	-	4.9%

Return for Risk

TCAI vs. ROBO — Risk / Return Rank

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

ROBO

ROBO Risk / Return Rank: 65
ROBO Sharpe Ratio Rank: 69
ROBO Sortino Ratio Rank: 65
ROBO Omega Ratio Rank: 64
ROBO Calmar Ratio Rank: 62
ROBO Martin Ratio Rank: 66

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. ROBO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Tortoise AI Infrastructure ETF (TCAI) and ROBO Global Robotics & Automation Index ETF (ROBO). 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.

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

Sharpe Ratios by Period

	TCAI	ROBO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.04	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.25	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.56	—
Sharpe Ratio (All Time) Calculated using the full available price history	3.72	0.47	+3.25

Drawdowns

TCAI vs. ROBO - Drawdown Comparison

The maximum TCAI drawdown since its inception was -15.80%, smaller than the maximum ROBO drawdown of -43.65%. Use the drawdown chart below to compare losses from any high point for TCAI and ROBO.

Drawdown Indicators

	TCAI	ROBO	Difference
Max Drawdown Largest peak-to-trough decline	-15.80%	-43.65%	+27.85%
Max Drawdown (1Y) Largest decline over 1 year	—	-17.35%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-27.92%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-43.65%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-43.65%	—
Current Drawdown Current decline from peak	-8.22%	-6.65%	-1.57%
Average Drawdown Average peak-to-trough decline	-3.48%	-12.93%	+9.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	4.38%	—

Volatility

Volatility by Period

	TCAI	ROBO	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	9.66%	—
Volatility (6M) Calculated over the trailing 6-month period	—	19.04%	—
Volatility (1Y) Calculated over the trailing 1-year period	36.74%	23.89%	+12.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.74%	23.79%	+12.95%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	36.74%	23.24%	+13.50%

TCAI vs. ROBO - Expense Ratio Comparison

TCAI has a 0.65% expense ratio, which is lower than ROBO's 0.95% expense ratio.

Dividends

TCAI vs. ROBO - Dividend Comparison

TCAI's dividend yield for the trailing twelve months is around 0.03%, less than ROBO's 0.35% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ROBO ROBO Global Robotics & Automation Index ETF	0.35%	0.42%	0.55%	0.05%	0.00%	0.18%	0.20%	0.37%	0.37%	0.02%	0.19%	0.28%
TCAI Tortoise AI Infrastructure ETF	0.03%	0.05%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TCAI and ROBO in my portfolio?

TCAI and ROBO have a correlation of 0.71, 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 ROBO?

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, TCAI or ROBO?

TCAI is cheaper with a 0.65% expense ratio, compared with 0.95% for ROBO.

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

ROBO has the higher dividend yield at 0.35%, compared with 0.03% for TCAI.

What is the main difference between TCAI and ROBO?

TCAI is categorized as Technology Equities, while ROBO is Robotics. They also come from different issuers: Tortoise and Exchange Traded Concepts. Their fees differ too: 0.65% for TCAI and 0.95% for ROBO.