Odaily News The nominal value of open interest in options on Deribit hit a record high, with open interest in Bitcoin options reaching US$16 billion and open interest in Ethereum options reaching US$7.6 billion, for a total of US$23.6 billion. Combined with $2.2 billion in perpetual contracts and futures open interest, Deribit’s open interest has exceeded $25 billion for the first time and now totals $25.8 billion.