According to on-chain analyst Ember Monitoring, a giant whale/institution bought and sold 30,000 ETH through Wintermute OTC, making a profit of $23.73 million in 25 days. 1. They 54.90 million USDC to Wintermute 25 days ago (4/27) and received 30,000 ETH from Wintermute. The purchase price is $1,830. 1 hour ago, they transferred the 30,000 ETH to the Wintermute address and received 78.63 million USDC 10 minutes ago. The sell price is $2,621. 3, 25 days, profit 23.73 million dollars (+ 43%).