BlockBeats News, December 17th, according to Coinbob Popular Address Monitoring, in the past 4 hours, the "Ultimate Short" once again closed a BTC short position of about $5.13 million, recording a profit of about $1.49 million. Since the beginning of this month, the "Ultimate Short" has cumulatively closed short positions on BTC of about $39.5 million. The current BTC short position is about $55.36 million, unrealized profit of $16.08 million (581%), average price of $11.15 thousand, and liquidation price of $9.93 thousand. In addition, a new XYZ target 100x leverage long position contract with a position size of about $1 million was opened.The "Ultimate Short" whale has been managing this BTC short position since May 9th, consistently buying low and selling high. It is worth noting that since November, its trading strategy has significantly changed, shifting to continuously closing positions for profit at local lows without re-entering. Since November, it has executed this type of closure 4 times in a row. Compared to its peak short position in August, the current short position has been reduced by approximately $99 million. Based on records from the past 4 months, its closure points are as follows:August 19-20, BTC closed around $11.25 thousand;August 30, BTC closed around $10.83 thousand;September 22, ETH closed around $4160;October 11, BTC closed around $10,000 - $11,000;November 25, BTC closed around $8.7 thousand.