XAIX vs. FEPI

Last updated Apr 1, 2026

Compare and contrast key facts about Xtrackers Artificial Intelligence and Big Data ETF (XAIX) and REX FANG & Innovation Equity Premium Income ETF (FEPI).

XAIX and FEPI are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. XAIX is a passively managed fund by Xtrackers that tracks the performance of the Nasdaq Global Artificial Intelligence and Big Data Index. It was launched on Aug 1, 2024. FEPI is an actively managed fund by REX. It was launched on Oct 11, 2023.

Performance

XAIX vs. FEPI - Performance Comparison

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

XAIX vs. FEPI - Yearly Performance Comparison

	2026 (YTD)	2025	2024
XAIX Xtrackers Artificial Intelligence and Big Data ETF	-7.03%	29.05%	15.47%
FEPI REX FANG & Innovation Equity Premium Income ETF	-7.19%	18.33%	13.01%

Returns By Period

The year-to-date returns for both stocks are quite close, with XAIX having a -7.03% return and FEPI slightly lower at -7.19%.

XAIX

• 1D: 3.74%
• 1M: -6.32%
• YTD: -7.03%
• 6M: -3.63%
• 1Y: 27.57%
• 3Y*: —
• 5Y*: —
• 10Y*: —

FEPI

• 1D: 4.04%
• 1M: -2.01%
• YTD: -7.19%
• 6M: -3.83%
• 1Y: 22.91%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

XAIX vs. FEPI - Expense Ratio Comparison

XAIX has a 0.35% expense ratio, which is lower than FEPI's 0.65% expense ratio.

FEPI

REX FANG & Innovation Equity Premium Income ETF

XAIX

Xtrackers Artificial Intelligence and Big Data ETF

Return for Risk

XAIX vs. FEPI — Risk / Return Rank

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

XAIX

XAIX Risk / Return Rank: 70
XAIX Sharpe Ratio Rank: 68
XAIX Sortino Ratio Rank: 70
XAIX Omega Ratio Rank: 68
XAIX Calmar Ratio Rank: 77
XAIX Martin Ratio Rank: 70

FEPI

FEPI Risk / Return Rank: 65
FEPI Sharpe Ratio Rank: 63
FEPI Sortino Ratio Rank: 65
FEPI Omega Ratio Rank: 65
FEPI Calmar Ratio Rank: 72
FEPI Martin Ratio Rank: 61

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.

XAIX vs. FEPI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Xtrackers Artificial Intelligence and Big Data ETF (XAIX) 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.

	XAIX	FEPI	Difference
Sharpe ratio Return per unit of total volatility	1.15	1.05	+0.10
Sortino ratio Return per unit of downside risk	1.70	1.56	+0.14
Omega ratio Gain probability vs. loss probability	1.24	1.23	+0.01
Calmar ratio Return relative to maximum drawdown	1.95	1.74	+0.21
Martin ratio Return relative to average drawdown	6.80	5.57	+1.24
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

XAIX vs. FEPI - Sharpe Ratio Comparison

The current XAIX Sharpe Ratio is 1.15, which is comparable to the FEPI Sharpe Ratio of 1.05. The chart below compares the historical Sharpe Ratios of XAIX and FEPI, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	XAIX	FEPI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.15	1.05	+0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.97	0.79	+0.18

Correlation

The correlation between XAIX and FEPI is 0.89, 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

XAIX vs. FEPI - Dividend Comparison

XAIX's dividend yield for the trailing twelve months is around 0.58%, less than FEPI's 28.60% yield.

	TTM	2025	2024	2023
XAIX Xtrackers Artificial Intelligence and Big Data ETF	0.58%	0.54%	0.08%	0.00%
FEPI REX FANG & Innovation Equity Premium Income ETF	28.60%	25.48%	27.18%	4.21%

Drawdowns

XAIX vs. FEPI - Drawdown Comparison

The maximum XAIX drawdown since its inception was -23.95%, roughly equal to the maximum FEPI drawdown of -23.56%. Use the drawdown chart below to compare losses from any high point for XAIX and FEPI.

Drawdown Indicators

	XAIX	FEPI	Difference
Max Drawdown Largest peak-to-trough decline	-23.95%	-23.56%	-0.39%
Max Drawdown (1Y) Largest decline over 1 year	-14.01%	-12.91%	-1.10%
Current Drawdown Current decline from peak	-10.80%	-9.39%	-1.41%
Average Drawdown Average peak-to-trough decline	-3.68%	-3.63%	-0.05%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.02%	4.04%	-0.02%

Volatility

XAIX vs. FEPI - Volatility Comparison

Xtrackers Artificial Intelligence and Big Data ETF (XAIX) has a higher volatility of 8.72% compared to REX FANG & Innovation Equity Premium Income ETF (FEPI) at 7.49%. This indicates that XAIX'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

	XAIX	FEPI	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.72%	7.49%	+1.23%
Volatility (6M) Calculated over the trailing 6-month period	15.09%	14.30%	+0.79%
Volatility (1Y) Calculated over the trailing 1-year period	24.04%	21.92%	+2.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.64%	19.39%	+3.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.64%	19.39%	+3.25%