HTEC vs. WTAI

Last updated Jun 17, 2026

HTEC (ROBO Global Healthcare Technology and Innovation ETF) and WTAI (WisdomTree Artificial Intelligence and Innovation Fund) are both exchange-traded funds - HTEC is a Health & Biotech Equities fund tracking the ROBO Global® Healthcare Technology and Innovation Index, while WTAI is a Technology Equities fund tracking the WisdomTree Artificial Intelligence & Innovation Index. Both are passively managed. Over the past 3 years, HTEC returned 5.44%/yr vs 32.94%/yr for WTAI. A 0.69 correlation means they provide meaningful diversification when combined. HTEC charges 0.68%/yr vs 0.45%/yr for WTAI.

Performance

HTEC vs. WTAI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ROBO Global Healthcare Technology and Innovation ETF (HTEC) and WisdomTree Artificial Intelligence and Innovation Fund (WTAI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, HTEC achieves a -0.62% return, which is significantly lower than WTAI's 53.95% return.

HTEC

• 1D: -0.05%
• 1M: 7.01%
• YTD: -0.62%
• 6M: 0.04%
• 1Y: 27.39%
• 3Y*: 5.44%
• 5Y*: -5.35%
• 10Y*: —

WTAI

• 1D: -3.59%
• 1M: 11.12%
• YTD: 53.95%
• 6M: 58.34%
• 1Y: 96.58%
• 3Y*: 32.94%
• 5Y*: —
• 10Y*: —

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

HTEC vs. WTAI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
HTEC ROBO Global Healthcare Technology and Innovation ETF	-0.62%	23.91%	2.68%	-2.94%	-33.72%	0.11%
WTAI WisdomTree Artificial Intelligence and Innovation Fund	53.95%	34.83%	6.53%	46.32%	-42.27%	-1.93%

Correlation

The correlation between HTEC and WTAI is 0.43, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.43
Correlation (3Y) Calculated over the trailing 3-year period	0.58
Correlation (All Time) Calculated using the full available price history since Dec 9, 2021	0.69

Over the past year, the correlation between HTEC and WTAI has dropped to 0.43 - well below their long-term average of 0.69, suggesting their price drivers have been diverging.

HTEC vs. WTAI - Sectors Allocation Comparison

Sectors	HTEC	WTAI
Healthcare	77.3%	-
Financial Services	3.9%	3.8%
Technology	3.7%	71.6%
Industrials	1.3%	5.6%
Energy	1.2%	-
Basic Materials	-	-
Communication Services	-	7.2%
Consumer Cyclical	-	8.3%
Consumer Defensive	-	0.4%
Real Estate	-	-
Utilities	-	0.9%

Return for Risk

HTEC vs. WTAI — Risk / Return Rank

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

HTEC

HTEC Risk / Return Rank: 35
HTEC Sharpe Ratio Rank: 37
HTEC Sortino Ratio Rank: 40
HTEC Omega Ratio Rank: 34
HTEC Calmar Ratio Rank: 34
HTEC Martin Ratio Rank: 29

WTAI

WTAI Risk / Return Rank: 88
WTAI Sharpe Ratio Rank: 92
WTAI Sortino Ratio Rank: 83
WTAI Omega Ratio Rank: 84
WTAI Calmar Ratio Rank: 93
WTAI Martin Ratio Rank: 90

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.

HTEC vs. WTAI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ROBO Global Healthcare Technology and Innovation ETF (HTEC) and WisdomTree Artificial Intelligence and Innovation Fund (WTAI). 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.

	HTEC	WTAI	Difference
Sharpe ratio: Return per unit of total volatility	1.32	3.10	-1.78
Sortino ratio: Return per unit of downside risk	2.00	3.50	-1.50
Omega ratio: Gain probability vs. loss probability	1.23	1.48	-0.25
Calmar ratio: Return relative to maximum drawdown	1.69	6.30	-4.61
Martin ratio: Return relative to average drawdown	4.08	19.26	-15.18

HTEC vs. WTAI - Sharpe Ratio Comparison

The current HTEC Sharpe Ratio is 1.32, which is lower than the WTAI Sharpe Ratio of 3.10. The chart below compares the historical Sharpe Ratios of HTEC and WTAI, 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

HTEC vs. WTAI - Drawdown Comparison

The maximum HTEC drawdown since its inception was -57.53%, which is greater than WTAI's maximum drawdown of -45.96%. Use the drawdown chart below to compare losses from any high point for HTEC and WTAI.

Drawdown Indicators

	HTEC	WTAI	Difference
Max Drawdown Largest peak-to-trough decline	-57.53%	-45.96%	-11.57%
Max Drawdown (1Y) Largest decline over 1 year	-16.31%	-15.42%	-0.89%
Max Drawdown (3Y) Largest decline over 3 years	-28.67%	-31.83%	+3.16%
Max Drawdown (5Y) Largest decline over 5 years	-56.10%	—	—
Current Drawdown Current decline from peak	-31.64%	-4.53%	-27.11%
Average Drawdown Average peak-to-trough decline	-28.99%	-19.74%	-9.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	6.73%	5.03%	+1.70%

Volatility

HTEC vs. WTAI - Volatility Comparison

The current volatility for ROBO Global Healthcare Technology and Innovation ETF (HTEC) is 6.90%, while WisdomTree Artificial Intelligence and Innovation Fund (WTAI) has a volatility of 15.99%. This indicates that HTEC experiences smaller price fluctuations and is considered to be less risky than WTAI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	HTEC	WTAI	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.90%	15.99%	-9.09%
Volatility (6M) Calculated over the trailing 6-month period	15.66%	26.28%	-10.62%
Volatility (1Y) Calculated over the trailing 1-year period	20.88%	31.40%	-10.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.49%	31.52%	-7.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.48%	31.52%	-6.04%

HTEC vs. WTAI - Expense Ratio Comparison

HTEC has a 0.68% expense ratio, which is higher than WTAI's 0.45% expense ratio.

Dividends

HTEC vs. WTAI - Dividend Comparison

HTEC's dividend yield for the trailing twelve months is around 0.99%, less than WTAI's 1.17% yield.

Position	TTM	2025	2024	2023	2022	2021
HTEC ROBO Global Healthcare Technology and Innovation ETF	0.99%	0.98%	0.00%	0.00%	0.00%	0.05%
WTAI WisdomTree Artificial Intelligence and Innovation Fund	1.17%	1.81%	0.19%	0.24%	0.22%	0.00%

Frequently Asked Questions

Can I hold both HTEC and WTAI in my portfolio?

HTEC and WTAI have a correlation of 0.43, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, HTEC or WTAI?

WTAI has higher volatility (15.99%) compared to HTEC (6.90%). In terms of maximum drawdown, HTEC dropped -57.53% vs WTAI's -45.96%.

Which ETF is better, HTEC or WTAI?

On 3-year performance, WTAI leads with 32.94% vs 5.44% for HTEC. On fees, WTAI is cheaper at 0.45% per year. On volatility, HTEC has been the lower-risk option at 6.90%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, HTEC or WTAI?

Over the 3-year period, WTAI has performed better with a 32.94% return vs 5.44%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, HTEC or WTAI?

WTAI is cheaper with a 0.45% expense ratio, compared with 0.68% for HTEC.

Which ETF pays a higher dividend yield, HTEC or WTAI?

WTAI has the higher dividend yield at 1.17%, compared with 0.99% for HTEC.

What is the main difference between HTEC and WTAI?

HTEC is categorized as Health & Biotech Equities, while WTAI is Technology Equities. HTEC tracks ROBO Global® Healthcare Technology and Innovation Index, while WTAI tracks WisdomTree Artificial Intelligence & Innovation Index. They also come from different issuers: Exchange Traded Concepts and WisdomTree. Their fees differ too: 0.68% for HTEC and 0.45% for WTAI.

Which has better risk-adjusted returns?

WTAI currently has the higher Sharpe Ratio (3.10 vs 1.32), 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.