The Chicago Board Options Exchange (CBOE) has approved VanEck's bitcoin ( BTC, +4.84% ) exchange-traded fund for listing (ETF) The CBOE announced its intention to list and trade shares of the vanEck Bitcoin Trust in a Form 19b-4. The submission of the form begins the legal review process that could lead to the creation of the first bitcoin ETF in the United States. Before the first 45 days of the review period, the SEC must acknowledge that it is reviewing the application.