WTAI vs. VOX
Compare and contrast key facts about WisdomTree Artificial Intelligence and Innovation Fund (WTAI) and Vanguard Communication Services ETF (VOX).
WTAI and VOX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. WTAI is a passively managed fund by WisdomTree that tracks the performance of the WisdomTree Artificial Intelligence & Innovation Index. It was launched on Dec 7, 2021. VOX is a passively managed fund by Vanguard that tracks the performance of the MSCI US Investable Market Telecommunication Services 25/50 Index. It was launched on Sep 23, 2004. Both WTAI and VOX are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
WTAI vs. VOX - Performance Comparison
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WTAI vs. VOX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
WTAI WisdomTree Artificial Intelligence and Innovation Fund | -0.62% | 34.83% | 6.53% | 46.32% | -42.27% | -0.83% |
VOX Vanguard Communication Services ETF | -6.08% | 26.27% | 33.12% | 44.81% | -38.85% | 1.03% |
Returns By Period
In the year-to-date period, WTAI achieves a -0.62% return, which is significantly higher than VOX's -6.08% return.
WTAI
- 1D
- 2.59%
- 1M
- -4.07%
- YTD
- -0.62%
- 6M
- 1.58%
- 1Y
- 53.10%
- 3Y*
- 19.04%
- 5Y*
- —
- 10Y*
- —
VOX
- 1D
- 0.88%
- 1M
- -5.24%
- YTD
- -6.08%
- 6M
- -1.73%
- 1Y
- 22.72%
- 3Y*
- 24.69%
- 5Y*
- 7.59%
- 10Y*
- 8.51%
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WTAI vs. VOX - Expense Ratio Comparison
WTAI has a 0.45% expense ratio, which is higher than VOX's 0.10% expense ratio.
Return for Risk
WTAI vs. VOX — Risk / Return Rank
WTAI
VOX
WTAI vs. VOX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for WisdomTree Artificial Intelligence and Innovation Fund (WTAI) and Vanguard Communication Services ETF (VOX). 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.
| WTAI | VOX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.67 | 1.12 | +0.55 |
Sortino ratioReturn per unit of downside risk | 2.25 | 1.73 | +0.52 |
Omega ratioGain probability vs. loss probability | 1.31 | 1.24 | +0.07 |
Calmar ratioReturn relative to maximum drawdown | 3.58 | 1.74 | +1.84 |
Martin ratioReturn relative to average drawdown | 10.64 | 6.39 | +4.25 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| WTAI | VOX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.67 | 1.12 | +0.55 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.36 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.41 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.14 | 0.42 | -0.29 |
Correlation
The correlation between WTAI and VOX is 0.77, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
WTAI vs. VOX - Dividend Comparison
WTAI's dividend yield for the trailing twelve months is around 1.82%, more than VOX's 1.05% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
WTAI WisdomTree Artificial Intelligence and Innovation Fund | 1.82% | 1.81% | 0.19% | 0.24% | 0.22% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VOX Vanguard Communication Services ETF | 1.05% | 0.95% | 1.05% | 1.03% | 0.88% | 0.93% | 0.73% | 0.90% | 2.77% | 3.83% | 2.67% | 3.55% |
Drawdowns
WTAI vs. VOX - Drawdown Comparison
The maximum WTAI drawdown since its inception was -45.92%, smaller than the maximum VOX drawdown of -57.18%. Use the drawdown chart below to compare losses from any high point for WTAI and VOX.
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Drawdown Indicators
| WTAI | VOX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -45.92% | -57.18% | +11.26% |
Max Drawdown (1Y)Largest decline over 1 year | -15.42% | -13.56% | -1.86% |
Max Drawdown (5Y)Largest decline over 5 years | — | -46.76% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -46.76% | — |
Current DrawdownCurrent decline from peak | -8.36% | -9.23% | +0.87% |
Average DrawdownAverage peak-to-trough decline | -20.54% | -11.98% | -8.56% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 5.18% | 3.68% | +1.50% |
Volatility
WTAI vs. VOX - Volatility Comparison
WisdomTree Artificial Intelligence and Innovation Fund (WTAI) has a higher volatility of 12.36% compared to Vanguard Communication Services ETF (VOX) at 6.50%. This indicates that WTAI's price experiences larger fluctuations and is considered to be riskier than VOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| WTAI | VOX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.36% | 6.50% | +5.86% |
Volatility (6M)Calculated over the trailing 6-month period | 21.81% | 11.83% | +9.98% |
Volatility (1Y)Calculated over the trailing 1-year period | 31.94% | 20.35% | +11.59% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 30.73% | 21.18% | +9.55% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 30.73% | 20.87% | +9.86% |