According to the monitoring of on-chain analyst Ember, a certain ETH whale who sells high and buys low spent $12.11 million to buy back 5,093 ETH 2 hours ago. The whale changed his ETH from 3,586 to 5,515 through two high-sell-and-buy-low transactions. On May 21, 3,586 ETH were sold at $3,667 for $13.15 million, and then 5,236 ETH were bought back at $2,512 with $13.15 million; on September 2, 4,818 ETH were sold at $2,514 for $12.11 million, avoiding the decline; after the decline today, 5,093 ETH were bought back at $2,378 with $12.11 million. The two high-selling and low-buying transactions increased the number of ETH from 3,586 to 5,515.