A trader sold 2522 ETH a month ago and now buys back 1425 ETH for $3.8 million

According to Lookonchain monitoring, a month ago, a trader with an address starting with 0x83c6 sold 2522 ETH at an average price of $1570, earning approximately $3.96 million. Just 30 minutes ago, the trader spent $3.8 million to buy back 1425 ETH at an average price of $2670, resulting in a net loss of over 1000 ETH worth approximately $2.67 million.