According to TokenGazer data analysis, as of 17:00 on November 18, BTC price is $8477.42, market value is $152,896.69M; mainstream exchange 24H BTC transaction volume is about $151.62M, performance is sluggish; BTC active address number remains stable, chain The trading volume continued to decline, and the block time remained at a high speed, about 9 minutes. The BTC market value ratio remained relatively stable, currently about 65.89%; the BTC 30-day ROI performance is similar to that of Ethereum; according to the six data of TokenGazer official website, the BTC sentiment index movement The average line fluctuates less, and the gray-scale investment reduces some of the BTC; in terms of futures, the positions of Bitcoin contracts of Firecoin, OKEx, and BitMEX have increased in the past 24 hours. OKEx's bitcoin long and short positions are between 1.73-1.84, the ratio of elite long positions is rising, and the proportion of short positions is down. On the exchange side, BTC/USD Coinbase maintains a negative premium for BTC/USD Bitfinex. The premium range is yesterday. There is a certain reduction, there is risk in entering the market, and investment needs to be cautious.