BITU vs. ARKY

Last updated Apr 2, 2026

Compare and contrast key facts about Proshares Ultra Bitcoin ETF (BITU) and ARK 21Shares Active Bitcoin Ethereum Strategy ETF (ARKY).

BITU and ARKY are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BITU is a passively managed fund by ProShares that tracks the performance of the Bloomberg Bitcoin Index - Benchmark TR Gross. It was launched on Apr 1, 2024. ARKY is an actively managed fund by ARK. It was launched on Nov 14, 2023.

Performance

BITU vs. ARKY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Proshares Ultra Bitcoin ETF (BITU) and ARK 21Shares Active Bitcoin Ethereum Strategy ETF (ARKY). The values are adjusted to include any dividend payments, if applicable.

BITU vs. ARKY - Yearly Performance Comparison

	2026 (YTD)
BITU Proshares Ultra Bitcoin ETF	-10.37%
ARKY ARK 21Shares Active Bitcoin Ethereum Strategy ETF	0.00%

Returns By Period

BITU

• 1D: 0.89%
• 1M: -5.67%
• YTD: -46.65%
• 6M: -72.88%
• 1Y: -55.08%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ARKY

• 1D: 0.00%
• 1M: 0.00%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BITU vs. ARKY - Expense Ratio Comparison

BITU has a 0.95% expense ratio, which is lower than ARKY's 1.00% expense ratio.

ARKY

ARK 21Shares Active Bitcoin Ethereum Strategy ETF

BITU

Proshares Ultra Bitcoin ETF

Return for Risk

BITU vs. ARKY — Risk / Return Rank

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

BITU

BITU Risk / Return Rank: 3
BITU Sharpe Ratio Rank: 3
BITU Sortino Ratio Rank: 4
BITU Omega Ratio Rank: 4
BITU Calmar Ratio Rank: 2
BITU Martin Ratio Rank: 2

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.

BITU vs. ARKY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Proshares Ultra Bitcoin ETF (BITU) and ARK 21Shares Active Bitcoin Ethereum Strategy ETF (ARKY). 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.

	BITU	ARKY	Difference
Sharpe ratio Return per unit of total volatility	-0.61	—	—
Sortino ratio Return per unit of downside risk	-0.59	—	—
Omega ratio Gain probability vs. loss probability	0.93	—	—
Calmar ratio Return relative to maximum drawdown	-0.67	—	—
Martin ratio Return relative to average drawdown	-1.29	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	BITU	ARKY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.61	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.32	—	—

Dividends

BITU vs. ARKY - Dividend Comparison

BITU's dividend yield for the trailing twelve months is around 78.08%, while ARKY has not paid dividends to shareholders.

	TTM	2025	2024
BITU Proshares Ultra Bitcoin ETF	78.08%	50.23%	0.12%
ARKY ARK 21Shares Active Bitcoin Ethereum Strategy ETF	0.00%	0.00%	0.00%

Drawdowns

BITU vs. ARKY - Drawdown Comparison

The maximum BITU drawdown since its inception was -77.76%, which is greater than ARKY's maximum drawdown of 0.00%. Use the drawdown chart below to compare losses from any high point for BITU and ARKY.

Drawdown Indicators

	BITU	ARKY	Difference
Max Drawdown Largest peak-to-trough decline	-77.76%	0.00%	-77.76%
Max Drawdown (1Y) Largest decline over 1 year	-77.76%	—	—
Current Drawdown Current decline from peak	-76.14%	0.00%	-76.14%
Average Drawdown Average peak-to-trough decline	-31.36%	0.00%	-31.36%
Ulcer Index Depth and duration of drawdowns from previous peaks	40.50%	—	—

Volatility

Volatility by Period

	BITU	ARKY	Difference
Volatility (1M) Calculated over the trailing 1-month period	26.02%	—	—
Volatility (6M) Calculated over the trailing 6-month period	74.12%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	90.32%	0.00%	+90.32%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	99.57%	0.00%	+99.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	99.57%	0.00%	+99.57%