DAT vs. USOY

Last updated Jun 4, 2026

DAT (ProShares Big Data Refiners ETF) and USOY (Defiance Oil Enhanced Options Income ETF) are both exchange-traded funds - DAT is a Technology Equities fund tracking the FactSet Big Data Refiners Index, while USOY is a Derivative Income fund actively managed by Defiance. DAT is passively managed, while USOY is actively managed. Over the past year, DAT returned -3.73% vs 57.29% for USOY. At a 0.03 correlation, their price movements are largely independent. DAT charges 0.58%/yr vs 1.22%/yr for USOY.

Performance

DAT vs. USOY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares Big Data Refiners ETF (DAT) and Defiance Oil Enhanced Options Income ETF (USOY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DAT achieves a -3.11% return, which is significantly lower than USOY's 62.18% return.

DAT

• 1D: -4.79%
• 1M: 16.04%
• YTD: -3.11%
• 6M: -3.15%
• 1Y: -3.73%
• 3Y*: 16.04%
• 5Y*: —
• 10Y*: —

USOY

• 1D: 1.45%
• 1M: -3.43%
• YTD: 62.18%
• 6M: 59.35%
• 1Y: 57.29%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

DAT vs. USOY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
DAT ProShares Big Data Refiners ETF	-3.11%	3.49%	25.45%
USOY Defiance Oil Enhanced Options Income ETF	62.18%	-7.93%	7.27%

Correlation

The correlation between DAT and USOY is -0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.08
Correlation (All Time) Calculated using the full available price history since May 13, 2024	0.03

The correlation between DAT and USOY shifts across timeframes, from -0.08 (1 year) to 0.03 (all time), reflecting how their relationship changes across market environments.

Return for Risk

DAT vs. USOY — Risk / Return Rank

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

DAT

DAT Risk / Return Rank: 8
DAT Sharpe Ratio Rank: 7
DAT Sortino Ratio Rank: 8
DAT Omega Ratio Rank: 8
DAT Calmar Ratio Rank: 8
DAT Martin Ratio Rank: 8

USOY

USOY Risk / Return Rank: 56
USOY Sharpe Ratio Rank: 55
USOY Sortino Ratio Rank: 46
USOY Omega Ratio Rank: 55
USOY Calmar Ratio Rank: 78
USOY Martin Ratio Rank: 46

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.

DAT vs. USOY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares Big Data Refiners ETF (DAT) and Defiance Oil Enhanced Options Income ETF (USOY). 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	USOY	Difference
Sharpe ratio: Return per unit of total volatility	-0.13	1.89	-2.02
Sortino ratio: Return per unit of downside risk	0.03	2.30	-2.27
Omega ratio: Gain probability vs. loss probability	1.00	1.35	-0.34
Calmar ratio: Return relative to maximum drawdown	-0.11	4.03	-4.14
Martin ratio: Return relative to average drawdown	-0.25	7.74	-7.99
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DAT vs. USOY - Sharpe Ratio Comparison

The current DAT Sharpe Ratio is -0.13, which is lower than the USOY Sharpe Ratio of 1.89. The chart below compares the historical Sharpe Ratios of DAT and USOY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	DAT	USOY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.13	1.89	-2.02
Sharpe Ratio (All Time) Calculated using the full available price history	0.05	0.99	-0.94

Drawdowns

DAT vs. USOY - Drawdown Comparison

The maximum DAT drawdown since its inception was -56.22%, which is greater than USOY's maximum drawdown of -17.46%. Use the drawdown chart below to compare losses from any high point for DAT and USOY.

Drawdown Indicators

	DAT	USOY	Difference
Max Drawdown Largest peak-to-trough decline	-56.22%	-17.46%	-38.76%
Max Drawdown (1Y) Largest decline over 1 year	-34.70%	-14.29%	-20.41%
Max Drawdown (3Y) Largest decline over 3 years	-34.73%	—	—
Current Drawdown Current decline from peak	-10.08%	-5.11%	-4.97%
Average Drawdown Average peak-to-trough decline	-26.23%	-6.47%	-19.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.10%	7.42%	+7.68%

Volatility

DAT vs. USOY - Volatility Comparison

ProShares Big Data Refiners ETF (DAT) has a higher volatility of 13.55% compared to Defiance Oil Enhanced Options Income ETF (USOY) at 11.62%. This indicates that DAT's price experiences larger fluctuations and is considered to be riskier than USOY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DAT	USOY	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.55%	11.62%	+1.93%
Volatility (6M) Calculated over the trailing 6-month period	25.18%	27.18%	-2.00%
Volatility (1Y) Calculated over the trailing 1-year period	29.78%	30.44%	-0.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	34.02%	26.13%	+7.89%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	34.02%	26.13%	+7.89%

DAT vs. USOY - Expense Ratio Comparison

DAT has a 0.58% expense ratio, which is lower than USOY's 1.22% expense ratio.

Dividends

DAT vs. USOY - Dividend Comparison

DAT has not paid dividends to shareholders, while USOY's dividend yield for the trailing twelve months is around 54.16%.

Position	TTM	2025	2024
DAT ProShares Big Data Refiners ETF	0.00%	0.00%	0.00%
USOY Defiance Oil Enhanced Options Income ETF	54.16%	104.32%	48.60%

Frequently Asked Questions

Can I hold both DAT and USOY in my portfolio?

DAT and USOY have a correlation of -0.08, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DAT or USOY?

DAT has higher volatility (13.55%) compared to USOY (11.62%). In terms of maximum drawdown, DAT dropped -56.22% vs USOY's -17.46%.

Which ETF is better, DAT or USOY?

On 1-year performance, USOY leads with 57.29% vs -3.73% for DAT. On fees, DAT is cheaper at 0.58% per year. On volatility, USOY has been the lower-risk option at 11.62%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DAT or USOY?

Over the 1-year period, USOY has performed better with a 57.29% return vs -3.73%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DAT or USOY?

DAT is cheaper with a 0.58% expense ratio, compared with 1.22% for USOY.

Which ETF pays a higher dividend yield, DAT or USOY?

USOY has the higher dividend yield at 54.16%, compared with 0.00% for DAT.

What is the main difference between DAT and USOY?

DAT is categorized as Technology Equities, while USOY is Derivative Income. They also come from different issuers: ProShares and Defiance. Their fees differ too: 0.58% for DAT and 1.22% for USOY.

Which has better risk-adjusted returns?

USOY currently has the higher Sharpe Ratio (1.89 vs -0.13), 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.