ROBT vs. WTAI

Last updated Aug 4, 2026

ROBT (First Trust Nasdaq Artificial Intelligence & Robotics ETF) and WTAI (WisdomTree Artificial Intelligence and Innovation Fund) are both Artificial Intelligence funds - ROBT tracks the Nasdaq CTA Artificial Intelligence and Robotics Index while WTAI tracks the WisdomTree Artificial Intelligence & Innovation Index. Both are passively managed. Over the past 3 years, ROBT returned 8.48%/yr vs 28.96%/yr for WTAI. Their correlation of 0.91 means they have usually moved in the same direction. ROBT charges 0.65%/yr vs 0.45%/yr for WTAI.

Performance

ROBT vs. WTAI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in First Trust Nasdaq Artificial Intelligence & Robotics ETF (ROBT) 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, ROBT achieves a 8.60% return, which is significantly lower than WTAI's 37.13% return.

ROBT

• 1D: 2.35%
• 1M: 0.11%
• 6M: 8.47%
• YTD: 8.60%
• 1Y: 14.90%
• 3Y*: 8.48%
• 5Y*: 1.05%
• 10Y*: —
• ALL TIME*: 7.94%

WTAI

• 1D: 3.87%
• 1M: -6.13%
• 6M: 31.19%
• YTD: 37.13%
• 1Y: 64.95%
• 3Y*: 28.96%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 11.11%

*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)
ROBT First Trust Nasdaq Artificial Intelligence & Robotics ETF	$2.76M	$2.30M	$2.96M
WTAI WisdomTree Artificial Intelligence and Innovation Fund	$14.96M	$17.61M	$14.18M

ROBT vs. WTAI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
ROBT First Trust Nasdaq Artificial Intelligence & Robotics ETF	8.60%	15.16%	-0.41%	27.77%	-34.94%	-0.83%
WTAI WisdomTree Artificial Intelligence and Innovation Fund	37.13%	34.83%	6.53%	46.32%	-42.27%	-1.93%

Correlation

The correlation between ROBT and WTAI is 0.80, 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.	0.80
Correlation (3Y) Balances recent behavior with more history.	0.87
Correlation (All Time) Calculated using the full available price history since Dec 9, 2021	0.91

The correlation between ROBT and WTAI shifts across timeframes, from 0.80 (1 year) to 0.91 (all time), reflecting how their relationship changes across market environments.

ROBT vs. WTAI - Sectors Allocation Comparison

Sectors	ROBT	WTAI
Technology	53.3%	71.6%
Industrials	23.1%	5.6%
Healthcare	8.8%	-
Consumer Cyclical	6.6%	8.3%
Communication Services	3.8%	7.2%
Energy	1.6%	-
Financial Services	1.6%	3.8%
Consumer Defensive	1.2%	0.4%
Basic Materials	-	-
Real Estate	-	-
Utilities	-	0.9%

Return for Risk

ROBT vs. WTAI — Risk / Return Rank

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

ROBT

ROBT Risk / Return Rank: 25
ROBT Sharpe Ratio Rank: 26
ROBT Sortino Ratio Rank: 26
ROBT Omega Ratio Rank: 25
ROBT Calmar Ratio Rank: 24
ROBT Martin Ratio Rank: 24

WTAI

WTAI Risk / Return Rank: 69
WTAI Sharpe Ratio Rank: 74
WTAI Sortino Ratio Rank: 65
WTAI Omega Ratio Rank: 67
WTAI Calmar Ratio Rank: 66
WTAI Martin Ratio Rank: 72

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.

ROBT vs. WTAI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust Nasdaq Artificial Intelligence & Robotics ETF (ROBT) 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.

	ROBT	WTAI	Difference
Sharpe ratio: Return per unit of total volatility	0.60	1.73	-1.13
Sortino ratio: Return per unit of downside risk	0.97	2.21	-1.24
Omega ratio: Gain probability vs. loss probability	1.11	1.29	-0.18
Calmar ratio: Return relative to maximum drawdown	0.69	2.36	-1.67
Martin ratio: Return relative to average drawdown	1.80	9.14	-7.34

ROBT vs. WTAI - Sharpe Ratio Comparison

The current ROBT Sharpe Ratio is 0.60, which is lower than the WTAI Sharpe Ratio of 1.73. The chart below compares the historical Sharpe Ratios of ROBT 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

ROBT vs. WTAI - Drawdown Comparison

The maximum ROBT drawdown since its inception was -44.47%, roughly equal to the maximum WTAI drawdown of -45.96%. Use the drawdown chart below to compare losses from any high point for ROBT and WTAI.

Drawdown Indicators

	ROBT	WTAI	Difference
Max Drawdown Largest peak-to-trough decline	-44.47%	-45.96%	+1.49%
Max Drawdown (1Y) Largest decline over 1 year	-21.66%	-27.61%	+5.95%
Max Drawdown (3Y) Largest decline over 3 years	-27.68%	-31.83%	+4.15%
Max Drawdown (5Y) Largest decline over 5 years	-43.26%	—	—
Current Drawdown Current decline from peak	-6.56%	-17.35%	+10.79%
Average Drawdown Average peak-to-trough decline	-15.82%	-19.54%	+3.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.30%	7.13%	+1.17%

Volatility

ROBT vs. WTAI - Volatility Comparison

The current volatility for First Trust Nasdaq Artificial Intelligence & Robotics ETF (ROBT) is 6.27%, while WisdomTree Artificial Intelligence and Innovation Fund (WTAI) has a volatility of 17.28%. This indicates that ROBT 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

	ROBT	WTAI	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.27%	17.28%	-11.01%
Volatility (6M) Calculated over the trailing 6-month period	19.36%	33.77%	-14.41%
Volatility (1Y) Calculated over the trailing 1-year period	25.00%	37.89%	-12.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	25.59%	32.74%	-7.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	25.53%	32.74%	-7.21%

ROBT vs. WTAI - Expense Ratio Comparison

ROBT has a 0.65% expense ratio, which is higher than WTAI's 0.45% expense ratio.

Dividends

ROBT vs. WTAI - Dividend Comparison

ROBT's dividend yield for the trailing twelve months is around 0.02%, less than WTAI's 1.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
ROBT First Trust Nasdaq Artificial Intelligence & Robotics ETF	0.02%	0.00%	0.68%	0.23%	0.35%	0.06%	0.17%	0.42%	0.44%
WTAI WisdomTree Artificial Intelligence and Innovation Fund	1.32%	1.81%	0.19%	0.24%	0.22%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ROBT and WTAI in my portfolio?

ROBT and WTAI 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 is riskier, ROBT or WTAI?

WTAI has higher volatility (17.28%) compared to ROBT (6.27%). In terms of maximum drawdown, ROBT dropped -44.47% vs WTAI's -45.96%.

Which ETF is better, ROBT or WTAI?

On 3-year performance, WTAI leads with 28.96% vs 8.48% for ROBT. On fees, WTAI is cheaper at 0.45% per year. On volatility, ROBT has been the lower-risk option at 6.27%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ROBT or WTAI?

Over the 3-year period, WTAI has performed better with a 28.96% return vs 8.48%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ROBT or WTAI?

WTAI is cheaper with a 0.45% expense ratio, compared with 0.65% for ROBT.

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

WTAI has the higher dividend yield at 1.32%, compared with 0.02% for ROBT.

What is the main difference between ROBT and WTAI?

ROBT tracks Nasdaq CTA Artificial Intelligence and Robotics Index, while WTAI tracks WisdomTree Artificial Intelligence & Innovation Index. They also come from different issuers: First Trust and WisdomTree. Their fees differ too: 0.65% for ROBT and 0.45% for WTAI.

Which has better risk-adjusted returns?

WTAI currently has the higher Sharpe Ratio (1.73 vs 0.60), 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.