Odaily News According to Coinglass data, the total open interest of BTC futures contracts on the entire network is 477,310 BTC, equivalent to approximately US$29.17 billion. Among them, the open interest of CME BTC contracts is 133,230 BTC (approximately US$8.13 billion), ranking first; the open interest of Binance BTC contracts is 108,580 BTC (approximately US$6.64 billion), ranking second.