CoinVoice has recently learned that according to Coinglass data, the total open interest of Bitcoin futures contracts across the entire network is 538,700 BTC (approximately US$33.957 billion).
Among them, the open interest of CME Bitcoin contracts was 146,100 BTC (about 9.198 billion US dollars), ranking first;
Binance Bitcoin contract open interest is 118,700 BTC (about 7.484 billion US dollars), ranking second. [Original link]