CME比特币期货BTC主力合约较周三纽约尾盘跌0.45%，报85575美元

Group 1 - The core viewpoint indicates that Bitcoin and Ethereum futures have experienced a decline in their respective prices as of December 18, with Bitcoin futures down by 0.45% and Ethereum futures down by 0.35% [1][2] - The closing price for Bitcoin futures is reported at $85,575 [1] - The closing price for Ethereum futures is reported at $2,822 [1]