On May 22, according to Lookonchain monitoring, a month ago trader 0x83c6 sold 2,522 ETH for a price of $1,570, totaling $3.96 million. Just 30 minutes ago, the trader bought back 1,425 ETH at a price of $2,670, spending $3.8 million, with over 1,000 ETH (worth $2.67 million) mysteriously disappearing.