According to a report by BlockBeats news, as of October 7th, the total open position of Bitcoin futures contracts on the network was 538,700 BTC, equivalent to approximately $33.957 billion. Among these, the CME Bitcoin contract had the highest open position at 146,100 BTC, worth around $9.198 billion. Following closely behind was Binance, with an open interest in Bitcoin contracts of 118,700 BTC, valued at approximately $7.484 billion. You can read more about this information in the source article.