Address 0x3aFE is selling high and buying low, trading over 3800 ETH involving an amount of over 14 million US dollars

On August 25th, the address 0x3aFE sold 1900 ETH at a price of $4574, earning approximately $8.69 million; Subsequently, I just bought back 2017 ETH at a price of $3061, spending approximately $6.17 million. （Lookonchain）