SEC starts review of CBOE's proposed change to Bitcoin ETF option tick sizes

The U.S. Securities and Exchange Commission (SEC) announced it has begun reviewing a proposal from the Cboe Options Exchange (CBOE) to change the tick sizes for its Mini Bitcoin U.S. ETF Index (MBTX) options. The proposal includes adjusting the minimum price increment, or tick size, to $0.01 for options priced under $3 and $0.05 for those priced at $3 or more. CBOE submitted the proposal to the SEC in late September, arguing that the change is necessary for consistency with BlackRock's spot BTC ETF, IBIT, which already uses a finer tick size.