ARKB vs. FETH

Last updated Aug 5, 2026

ARKB (ARK 21Shares Bitcoin ETF) and FETH (Fidelity Ethereum Fund) are both Cryptocurrency funds - ARKB tracks the CME CF Bitcoin Reference Rate - New York Variant while FETH tracks the Fidelity Ethereum Reference Rate Index. Both are passively managed. Over the past year, ARKB returned -44.16% vs -49.07% for FETH. Their correlation of 0.82 means they have usually moved in the same direction. ARKB charges 0.21%/yr vs 0.25%/yr for FETH.

Performance

ARKB vs. FETH - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ARK 21Shares Bitcoin ETF (ARKB) and Fidelity Ethereum Fund (FETH). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ARKB achieves a -26.69% return, which is significantly higher than FETH's -36.98% return.

ARKB

• 1D: 0.57%
• 1M: 4.52%
• 6M: -16.05%
• YTD: -26.69%
• 1Y: -44.16%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 10.02%

FETH

• 1D: 0.27%
• 1M: 10.15%
• 6M: -18.55%
• YTD: -36.98%
• 1Y: -49.07%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -26.68%

*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)
ARKB ARK 21Shares Bitcoin ETF	$32.37M	$33.70M	$41.78M
FETH Fidelity Ethereum Fund	$29.03M	$29.27M	$34.84M

ARKB vs. FETH - Yearly Performance Comparison

	2026 (YTD)	2025	2024
ARKB ARK 21Shares Bitcoin ETF	-26.69%	-6.59%	36.54%
FETH Fidelity Ethereum Fund	-36.98%	-11.37%	-4.68%

Correlation

The correlation between ARKB and FETH is 0.91, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.91
Correlation (All Time) Calculated using the full available price history since Jul 23, 2024	0.82

The correlation between ARKB and FETH has been stable across timeframes, ranging from 0.82 to 0.91 - a consistent structural relationship.

Return for Risk

ARKB vs. FETH — Risk / Return Rank

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

ARKB

ARKB Risk / Return Rank: 2
ARKB Sharpe Ratio Rank: 2
ARKB Sortino Ratio Rank: 2
ARKB Omega Ratio Rank: 2
ARKB Calmar Ratio Rank: 2
ARKB Martin Ratio Rank: 2

FETH

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

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.

ARKB vs. FETH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ARK 21Shares Bitcoin ETF (ARKB) and Fidelity Ethereum Fund (FETH). 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.

	ARKB	FETH	Difference
Sharpe ratio: Return per unit of total volatility	-1.00	-0.74	-0.26
Sortino ratio: Return per unit of downside risk	-1.48	-0.95	-0.53
Omega ratio: Gain probability vs. loss probability	0.84	0.89	-0.06
Calmar ratio: Return relative to maximum drawdown	-0.83	-0.72	-0.11
Martin ratio: Return relative to average drawdown	-1.27	-1.07	-0.19

ARKB vs. FETH - Sharpe Ratio Comparison

The current ARKB Sharpe Ratio is -1.00, which is lower than the FETH Sharpe Ratio of -0.74. The chart below compares the historical Sharpe Ratios of ARKB and FETH, 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

ARKB vs. FETH - Drawdown Comparison

The maximum ARKB drawdown since its inception was -53.33%, smaller than the maximum FETH drawdown of -67.94%. Use the drawdown chart below to compare losses from any high point for ARKB and FETH.

Drawdown Indicators

	ARKB	FETH	Difference
Max Drawdown Largest peak-to-trough decline	-53.33%	-67.94%	+14.61%
Max Drawdown (1Y) Largest decline over 1 year	-53.33%	-67.94%	+14.61%
Current Drawdown Current decline from peak	-48.94%	-61.45%	+12.51%
Average Drawdown Average peak-to-trough decline	-18.36%	-35.35%	+16.99%
Ulcer Index Depth and duration of drawdowns from previous peaks	34.90%	45.78%	-10.88%

Volatility

ARKB vs. FETH - Volatility Comparison

The current volatility for ARK 21Shares Bitcoin ETF (ARKB) is 8.21%, while Fidelity Ethereum Fund (FETH) has a volatility of 11.18%. This indicates that ARKB experiences smaller price fluctuations and is considered to be less risky than FETH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARKB	FETH	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.21%	11.18%	-2.97%
Volatility (6M) Calculated over the trailing 6-month period	32.98%	43.42%	-10.44%
Volatility (1Y) Calculated over the trailing 1-year period	44.25%	66.97%	-22.72%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	49.36%	71.09%	-21.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	49.36%	71.09%	-21.73%

ARKB vs. FETH - Expense Ratio Comparison

ARKB has a 0.21% expense ratio, which is lower than FETH's 0.25% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

ARKB vs. FETH - Dividend Comparison

Neither ARKB nor FETH has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both ARKB and FETH in my portfolio?

With a correlation of 0.91, ARKB and FETH move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, ARKB or FETH?

FETH has higher volatility (11.18%) compared to ARKB (8.21%). In terms of maximum drawdown, ARKB dropped -53.33% vs FETH's -67.94%.

Which ETF is better, ARKB or FETH?

On 1-year performance, ARKB leads with -44.16% vs -49.07% for FETH. On fees, ARKB is cheaper at 0.21% per year. On volatility, ARKB has been the lower-risk option at 8.21%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ARKB or FETH?

Over the 1-year period, ARKB has performed better with a -44.16% return vs -49.07%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ARKB or FETH?

ARKB is cheaper with a 0.21% expense ratio, compared with 0.25% for FETH.

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

ARKB and FETH have nearly identical dividend yields, around 0.00%.

What is the main difference between ARKB and FETH?

ARKB tracks CME CF Bitcoin Reference Rate - New York Variant, while FETH tracks Fidelity Ethereum Reference Rate Index. They also come from different issuers: ARK and Fidelity. Their fees differ too: 0.21% for ARKB and 0.25% for FETH.

Which has better risk-adjusted returns?

FETH currently has the higher Sharpe Ratio (-0.74 vs -1.00), 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.