FETH vs. CEPI

Last updated Aug 4, 2026

FETH (Fidelity Ethereum Fund) and CEPI (REX Crypto Equity Premium Income ETF) are both exchange-traded funds - FETH is a Cryptocurrency fund tracking the Fidelity Ethereum Reference Rate Index, while CEPI is a Derivative Income fund actively managed by REX. FETH is passively managed, while CEPI is actively managed. Over the past year, FETH returned -46.78% vs 23.11% for CEPI. Their 0.66 correlation means they have sometimes moved together and sometimes differently. FETH charges 0.25%/yr vs 0.85%/yr for CEPI.

Performance

FETH vs. CEPI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Ethereum Fund (FETH) and REX Crypto Equity Premium Income ETF (CEPI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FETH achieves a -37.15% return, which is significantly lower than CEPI's 17.46% return.

FETH

• 1D: 0.16%
• 1M: 9.86%
• 6M: -19.58%
• YTD: -37.15%
• 1Y: -46.78%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -26.81%

CEPI

• 1D: 2.01%
• 1M: 0.84%
• 6M: 14.49%
• YTD: 17.46%
• 1Y: 23.11%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 12.13%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
CEPI REX Crypto Equity Premium Income ETF	$1.23M	$1.28M	$1.61M
FETH Fidelity Ethereum Fund	$29.41M	$29.69M	$35.01M

FETH vs. CEPI - Yearly Performance Comparison

	2026 (YTD)	2025	2024
FETH Fidelity Ethereum Fund	-37.15%	-11.37%	-7.48%
CEPI REX Crypto Equity Premium Income ETF	17.46%	10.75%	-7.02%

Correlation

The correlation between FETH and CEPI is 0.65, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.65
Correlation (All Time) Calculated using the full available price history since Dec 4, 2024	0.66

The correlation between FETH and CEPI has been stable across timeframes, ranging from 0.65 to 0.66 - a consistent structural relationship.

Return for Risk

FETH vs. CEPI — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

FETH

FETH Risk / Return Rank: 4
FETH Sharpe Ratio Rank: 3
FETH Sortino Ratio Rank: 4
FETH Omega Ratio Rank: 4
FETH Calmar Ratio Rank: 4
FETH Martin Ratio Rank: 5

CEPI

CEPI Risk / Return Rank: 31
CEPI Sharpe Ratio Rank: 32
CEPI Sortino Ratio Rank: 32
CEPI Omega Ratio Rank: 32
CEPI Calmar Ratio Rank: 31
CEPI Martin Ratio Rank: 28

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

FETH vs. CEPI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Ethereum Fund (FETH) and REX Crypto Equity Premium Income ETF (CEPI). 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.

	FETH	CEPI	Difference
Sharpe ratio: Return per unit of total volatility	-0.70	0.79	-1.49
Sortino ratio: Return per unit of downside risk	-0.85	1.24	-2.10
Omega ratio: Gain probability vs. loss probability	0.91	1.16	-0.25
Calmar ratio: Return relative to maximum drawdown	-0.69	1.03	-1.72
Martin ratio: Return relative to average drawdown	-1.03	2.40	-3.43

FETH vs. CEPI - Sharpe Ratio Comparison

The current FETH Sharpe Ratio is -0.70, which is lower than the CEPI Sharpe Ratio of 0.79. The chart below compares the historical Sharpe Ratios of FETH and CEPI, 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

FETH vs. CEPI - Drawdown Comparison

The maximum FETH drawdown since its inception was -67.94%, which is greater than CEPI's maximum drawdown of -29.48%. Use the drawdown chart below to compare losses from any high point for FETH and CEPI.

Drawdown Indicators

	FETH	CEPI	Difference
Max Drawdown Largest peak-to-trough decline	-67.94%	-29.48%	-38.46%
Max Drawdown (1Y) Largest decline over 1 year	-67.94%	-22.47%	-45.47%
Current Drawdown Current decline from peak	-61.55%	-5.73%	-55.82%
Average Drawdown Average peak-to-trough decline	-35.30%	-8.23%	-27.07%
Ulcer Index Depth and duration of drawdowns from previous peaks	45.61%	9.65%	+35.96%

Volatility

FETH vs. CEPI - Volatility Comparison

Fidelity Ethereum Fund (FETH) has a higher volatility of 12.28% compared to REX Crypto Equity Premium Income ETF (CEPI) at 11.47%. This indicates that FETH's price experiences larger fluctuations and is considered to be riskier than CEPI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FETH	CEPI	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.28%	11.47%	+0.81%
Volatility (6M) Calculated over the trailing 6-month period	45.60%	23.71%	+21.89%
Volatility (1Y) Calculated over the trailing 1-year period	67.10%	29.38%	+37.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	71.16%	31.91%	+39.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	71.16%	31.91%	+39.25%

FETH vs. CEPI - Expense Ratio Comparison

FETH has a 0.25% expense ratio, which is lower than CEPI's 0.85% expense ratio.

Dividends

FETH vs. CEPI - Dividend Comparison

FETH has not paid dividends to shareholders, while CEPI's dividend yield for the trailing twelve months is around 44.70%.

Position	TTM	2025
CEPI REX Crypto Equity Premium Income ETF	44.70%	50.78%
FETH Fidelity Ethereum Fund	0.00%	0.00%

Frequently Asked Questions

Can I hold both FETH and CEPI in my portfolio?

FETH and CEPI have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FETH or CEPI?

FETH has higher volatility (12.28%) compared to CEPI (11.47%). In terms of maximum drawdown, FETH dropped -67.94% vs CEPI's -29.48%.

Which ETF is better, FETH or CEPI?

On 1-year performance, CEPI leads with 23.11% vs -46.78% for FETH. On fees, FETH is cheaper at 0.25% per year. On volatility, CEPI has been the lower-risk option at 11.47%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FETH or CEPI?

Over the 1-year period, CEPI has performed better with a 23.11% return vs -46.78%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FETH or CEPI?

FETH is cheaper with a 0.25% expense ratio, compared with 0.85% for CEPI.

Which ETF pays a higher dividend yield, FETH or CEPI?

CEPI has the higher dividend yield at 44.70%, compared with 0.00% for FETH.

What is the main difference between FETH and CEPI?

FETH is categorized as Cryptocurrency, while CEPI is Derivative Income. They also come from different issuers: Fidelity and REX. Their fees differ too: 0.25% for FETH and 0.85% for CEPI.

Which has better risk-adjusted returns?

CEPI currently has the higher Sharpe Ratio (0.79 vs -0.70), 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.