Odaily News According to Coinglass data, the total open interest of BTC futures contracts on the entire network is 486,080 BTC, equivalent to approximately US$27.86 billion. Among them, the open interest of CME BTC contracts is 138,850 BTC (approximately US$7.94 billion), ranking first; the open interest of Binance BTC contracts is 118,920 BTC (approximately US$6.82 billion), ranking second.