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ARKB seeks to track the performance of bitcoin, as measured by the performance of the CME CF Bitcoin Reference Rate - New York Variant the "Index"), adjusted for the Trust's expense's and other liabilities. The CME CF Bitcoin Reference Rate - New York Variant (BRRNY) is a once a day benchmark index price for Bitcoin that aggregates trade data from multiple Bitcoin-USD markets operated by major cryptocurrency exchanges that conform to the CME CF Constituent Exchange Criteria.
Ark 21Shares Bitcoin ETF trades on the BATS stock market under the symbol ARKB.
As of October 9, 2026, ARKB stock price climbed to $27.49 with 347,148 million shares trading.
ARKB has a beta of 1.20, meaning it tends to be more sensitive to market movements. ARKB has a correlation of 0.10 to the broad based SPY ETF.
ARKB has a market cap of $2.68 billion. This is considered a Mid Cap stock.
ARKB has underperformed the market in the last year with a price return of -33.0% while the SPY ETF gained +16.6%. However, in the short term, ARKB had mixed performance relative to the market. It has outperformed in the last 3 months, returning +33.3% vs +4.5% return in SPY. But in the last 2 weeks, ARKB shares have been beat by the market, returning -1.8% compared to an SPY return of +1.3%.
ARKB support price is $26.46 and resistance is $27.74 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that ARKB shares will trade within this expected range on the day.
