DAT vs. VOX
Compare and contrast key facts about ProShares Big Data Refiners ETF (DAT) and Vanguard Communication Services ETF (VOX).
DAT and VOX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. DAT is a passively managed fund by ProShares that tracks the performance of the FactSet Big Data Refiners Index. It was launched on Sep 29, 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 DAT 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
DAT vs. VOX - Performance Comparison
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DAT vs. VOX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
DAT ProShares Big Data Refiners ETF | -24.83% | 3.49% | 33.22% | 51.76% | -44.33% | -3.78% |
VOX Vanguard Communication Services ETF | -6.90% | 26.27% | 33.12% | 44.81% | -38.85% | -3.37% |
Returns By Period
In the year-to-date period, DAT achieves a -24.83% return, which is significantly lower than VOX's -6.90% return.
DAT
- 1D
- 2.47%
- 1M
- -6.54%
- YTD
- -24.83%
- 6M
- -28.77%
- 1Y
- -13.31%
- 3Y*
- 11.65%
- 5Y*
- —
- 10Y*
- —
VOX
- 1D
- 3.50%
- 1M
- -6.17%
- YTD
- -6.90%
- 6M
- -3.66%
- 1Y
- 22.45%
- 3Y*
- 24.33%
- 5Y*
- 7.40%
- 10Y*
- 8.41%
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DAT vs. VOX - Expense Ratio Comparison
DAT has a 0.58% expense ratio, which is higher than VOX's 0.10% expense ratio.
Return for Risk
DAT vs. VOX — Risk / Return Rank
DAT
VOX
DAT vs. VOX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares Big Data Refiners ETF (DAT) 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.
| DAT | VOX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | -0.42 | 1.11 | -1.53 |
Sortino ratioReturn per unit of downside risk | -0.42 | 1.72 | -2.14 |
Omega ratioGain probability vs. loss probability | 0.95 | 1.23 | -0.29 |
Calmar ratioReturn relative to maximum drawdown | -0.47 | 1.67 | -2.14 |
Martin ratioReturn relative to average drawdown | -1.27 | 6.24 | -7.51 |
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
| DAT | VOX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.42 | 1.11 | -1.53 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | — | 0.35 | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.40 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.11 | 0.42 | -0.53 |
Correlation
The correlation between DAT and VOX is 0.70, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.
Dividends
DAT vs. VOX - Dividend Comparison
DAT has not paid dividends to shareholders, while VOX's dividend yield for the trailing twelve months is around 1.05%.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DAT ProShares Big Data Refiners ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 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
DAT vs. VOX - Drawdown Comparison
The maximum DAT drawdown since its inception was -56.22%, roughly equal to the maximum VOX drawdown of -57.18%. Use the drawdown chart below to compare losses from any high point for DAT and VOX.
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Drawdown Indicators
| DAT | VOX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -56.22% | -57.18% | +0.96% |
Max Drawdown (1Y)Largest decline over 1 year | -31.89% | -13.56% | -18.33% |
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 | -30.23% | -10.03% | -20.20% |
Average DrawdownAverage peak-to-trough decline | -26.38% | -11.99% | -14.39% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.70% | 3.64% | +8.06% |
Volatility
DAT vs. VOX - Volatility Comparison
ProShares Big Data Refiners ETF (DAT) has a higher volatility of 7.86% compared to Vanguard Communication Services ETF (VOX) at 6.40%. This indicates that DAT'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
| DAT | VOX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.86% | 6.40% | +1.46% |
Volatility (6M)Calculated over the trailing 6-month period | 20.08% | 11.80% | +8.28% |
Volatility (1Y)Calculated over the trailing 1-year period | 31.52% | 20.34% | +11.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 33.61% | 21.19% | +12.42% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 33.61% | 20.87% | +12.74% |