DAT vs. FEPI

Last updated Jul 17, 2026

DAT (ProShares Big Data Refiners ETF) and FEPI (REX FANG & Innovation Equity Premium Income ETF) are both exchange-traded funds - DAT is a Technology Equities fund tracking the FactSet Big Data Refiners Index, while FEPI is a Derivative Income fund actively managed by REX. DAT is passively managed, while FEPI is actively managed. Over the past year, DAT returned -3.99% vs 14.82% for FEPI. A 0.63 correlation means they provide meaningful diversification when combined. DAT charges 0.58%/yr vs 0.65%/yr for FEPI.

Performance

DAT vs. FEPI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares Big Data Refiners ETF (DAT) and REX FANG & Innovation Equity Premium Income ETF (FEPI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DAT achieves a -2.75% return, which is significantly lower than FEPI's 2.79% return.

DAT

• 1D: -0.10%
• 1M: 4.97%
• 6M: 1.67%
• YTD: -2.75%
• 1Y: -3.99%
• 3Y*: 13.05%
• 5Y*: —
• 10Y*: —

FEPI

• 1D: -2.20%
• 1M: -3.44%
• 6M: 3.19%
• YTD: 2.79%
• 1Y: 14.82%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

DAT vs. FEPI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
DAT ProShares Big Data Refiners ETF	-2.75%	3.49%	33.22%	17.55%
FEPI REX FANG & Innovation Equity Premium Income ETF	2.79%	18.33%	15.69%	11.75%

Correlation

The correlation between DAT and FEPI is 0.54, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.54
Correlation (All Time) Calculated using the full available price history since Oct 11, 2023	0.63

The correlation between DAT and FEPI has been stable across timeframes, ranging from 0.54 to 0.63 - a consistent structural relationship.

DAT vs. FEPI - Sectors Allocation Comparison

Sectors	DAT	FEPI
Technology	96.9%	66.7%
Communication Services	2.3%	19.0%
Utilities	1.2%	-
Healthcare	0.7%	-
Basic Materials	-	-
Consumer Cyclical	-	13.6%
Consumer Defensive	-	-
Energy	-	-
Financial Services	-	-
Industrials	-	-
Real Estate	-	-

Return for Risk

DAT vs. FEPI — 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: 8
DAT Sortino Ratio Rank: 8
DAT Omega Ratio Rank: 8
DAT Calmar Ratio Rank: 8
DAT Martin Ratio Rank: 8

FEPI

FEPI Risk / Return Rank: 27
FEPI Sharpe Ratio Rank: 27
FEPI Sortino Ratio Rank: 25
FEPI Omega Ratio Rank: 26
FEPI Calmar Ratio Rank: 28
FEPI Martin Ratio Rank: 30

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. FEPI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares Big Data Refiners ETF (DAT) and REX FANG & Innovation Equity Premium Income ETF (FEPI). 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.

	DAT	FEPI	Difference
Sharpe ratio: Return per unit of total volatility	-0.13	0.81	-0.94
Sortino ratio: Return per unit of downside risk	0.03	1.19	-1.16
Omega ratio: Gain probability vs. loss probability	1.00	1.15	-0.15
Calmar ratio: Return relative to maximum drawdown	-0.12	1.15	-1.27
Martin ratio: Return relative to average drawdown	-0.25	3.35	-3.61

DAT vs. FEPI - Sharpe Ratio Comparison

The current DAT Sharpe Ratio is -0.13, which is lower than the FEPI Sharpe Ratio of 0.81. The chart below compares the historical Sharpe Ratios of DAT and FEPI, 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

DAT vs. FEPI - Drawdown Comparison

The maximum DAT drawdown since its inception was -56.22%, which is greater than FEPI's maximum drawdown of -23.56%. Use the drawdown chart below to compare losses from any high point for DAT and FEPI.

Drawdown Indicators

	DAT	FEPI	Difference
Max Drawdown Largest peak-to-trough decline	-56.22%	-23.56%	-32.66%
Max Drawdown (1Y) Largest decline over 1 year	-34.70%	-12.91%	-21.79%
Max Drawdown (3Y) Largest decline over 3 years	-34.73%	—	—
Current Drawdown Current decline from peak	-9.75%	-8.27%	-1.48%
Average Drawdown Average peak-to-trough decline	-25.89%	-3.62%	-22.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.77%	4.43%	+11.34%

Volatility

DAT vs. FEPI - Volatility Comparison

ProShares Big Data Refiners ETF (DAT) has a higher volatility of 8.98% compared to REX FANG & Innovation Equity Premium Income ETF (FEPI) at 7.04%. This indicates that DAT's price experiences larger fluctuations and is considered to be riskier than FEPI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DAT	FEPI	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.98%	7.04%	+1.94%
Volatility (6M) Calculated over the trailing 6-month period	26.30%	14.71%	+11.59%
Volatility (1Y) Calculated over the trailing 1-year period	30.87%	18.41%	+12.46%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.92%	19.36%	+14.56%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.92%	19.36%	+14.56%

DAT vs. FEPI - Expense Ratio Comparison

DAT has a 0.58% expense ratio, which is lower than FEPI's 0.65% expense ratio.

Dividends

DAT vs. FEPI - Dividend Comparison

DAT has not paid dividends to shareholders, while FEPI's dividend yield for the trailing twelve months is around 27.15%.

Position	TTM	2025	2024	2023
DAT ProShares Big Data Refiners ETF	0.00%	0.00%	0.00%	0.00%
FEPI REX FANG & Innovation Equity Premium Income ETF	27.15%	25.48%	27.18%	4.21%

Frequently Asked Questions

Can I hold both DAT and FEPI in my portfolio?

DAT and FEPI have a correlation of 0.54, 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 FEPI?

DAT has higher volatility (8.98%) compared to FEPI (7.04%). In terms of maximum drawdown, DAT dropped -56.22% vs FEPI's -23.56%.

Which ETF is better, DAT or FEPI?

On 1-year performance, FEPI leads with 14.82% vs -3.99% for DAT. On fees, DAT is cheaper at 0.58% per year. On volatility, FEPI has been the lower-risk option at 7.04%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, DAT or FEPI?

Over the 1-year period, FEPI has performed better with a 14.82% return vs -3.99%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DAT or FEPI?

DAT is cheaper with a 0.58% expense ratio, compared with 0.65% for FEPI.

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

FEPI has the higher dividend yield at 27.15%, compared with 0.00% for DAT.

What is the main difference between DAT and FEPI?

DAT is categorized as Technology Equities, while FEPI is Derivative Income. They also come from different issuers: ProShares and REX. Their fees differ too: 0.58% for DAT and 0.65% for FEPI.

Which has better risk-adjusted returns?

FEPI currently has the higher Sharpe Ratio (0.81 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.