According to ChainCatcher, on-chain analyst Yu Jin monitored that a whale who buys high and sells low sold 7,818 ETH at a price of $3,714, incurring a loss of $3.47 million. Within half a month, this whale managed to turn 38.017 million DAI into $29.038 million through two rounds of buying high and selling low, resulting in a total loss of $8.979 million.