ARK 21Shares Bitcoin ETF

ARKB
ETF Ticker

-6.10%

-26.26%

Cboe BZX

Alternative

Global

Crypto

ETF Strategy Fund Grade AA

The ARK 21Shares Bitcoin ETF, ARKB_US, is listed on the Cboe BZX and tracks the CME CF Bitcoin Reference Rate – New York Variant index. This alternative fund provides exposure to Crypto and has assets under management of $2,750.0m (as of Aug 31, 2026). The ETF trades in USD and was listed on the exchange on Jan 10, 2024. It has a net expense ratio of 21bps. (All data in USD as of Oct 15, 2026 unless stated.)

The underlying CME CF Bitcoin Reference Rate – New York Variant delivers a once-daily USD benchmark for bitcoin calculated from executed spot BTC/USD trades across qualifying constituent exchanges between 15:00 and 16:00 New York time. The one-hour window is partitioned into twelve five-minute intervals; within each interval a volume-weighted median trade price is computed across eligible venues, and the Index level is the simple average of the 12 interval medians. Constituent exchanges must meet ongoing criteria for data integrity, market quality, surveillance cooperation and operational resilience; inputs deemed erroneous are excluded and venues failing criteria can be removed. The calculation is manipulation-resistant by design and publishes every day, including weekends and holidays. The Index reflects the unlevered spot price of one bitcoin in USD only; there are no issuer, sector or country weights to cap, and no discretion in constituent trades beyond the rulebook screens and quality controls.

ETF Details

Key Facts

Issuer:
Ark Investment Management
AUM:
$2,750.0m (as of Aug 31, 2026)
Net Expense Ratio:
21 bps
Inception Date:
Jan 10, 2024
Index:
CME CF Bitcoin Reference Rate – New York Variant
Dividend Frequency:
N/A

Trading

Ticker:
ARKB
Exchange:
Cboe BZX
ISIN:
US0409191022
Trading Currency:
USD
Domicile:
United States

Classification & Risk

Asset Class:
Alternative
Asset Region:
Global
Theme:
Crypto
Economic Development:
Global Markets
1 Year Volatility:
45.23%
3 Year Volatility:
N/A
5 Year Volatility:
N/A

Performance

TTM Dividend Yield:
0.00% (verify with issuer)
1 Month Performance:
8.09%
3 Month Performance:
26.54%
6 Month Performance:
9.47%
1 Year Performance:
-26.26%
3 Year Performance:
N/A
5 Year Performance:
N/A
Investment Proposition

ARK 21Shares Bitcoin ETF (ARKB) provides straightforward access to the price of bitcoin through a regulated fund vehicle intended to mirror spot bitcoin exposure, net of fees and operating costs. The fund’s purpose is to deliver directional participation in the bitcoin market as a potential store-of-value candidate and speculative growth asset with historically low linkage to traditional diversifiers that can shift across cycles. The portfolio is simple by design and depends on robust custody, trading, and operational controls; return drivers remain bitcoin’s supply-demand dynamics, network adoption, and macro factors influencing liquidity and real yields. Favorable regimes include risk-seeking phases, incremental institutional adoption, and periods of monetary accommodation, while rising real rates, deleveraging, or regulatory uncertainty can compress multiples and sentiment. In portfolios, ARKB fits as a satellite growth diversifier, a thematic sleeve within digital assets, or a tactical position for macro views. It most naturally suits investors pursuing opportunistic return enhancement or long-horizon allocators comfortable underwriting digital-asset volatility. A practical risk to monitor is market-structure and regulatory developments affecting trading, creation/redemption frictions, and custody concentration, which can impact tracking efficiency and liquidity during stress.

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