[A certain address closed BTC short positions with a profit of $1.65 million, then switched to a 40x leveraged long on BTC] According to monitoring by Lookonchain, Bitcoin short seller 0x66f8 closed its short position of 2,136 BTC (worth $136 million), earning a profit of $1.65 million. The address then switched to long, using 40x leverage to buy 200.82 BTC (worth $12.74 million).