According to @EmberCN, an address that held ETH for eight years sold 3,280 ETH about two hours ago for approximately $13.38 million at a sale price of $4,079 per ETH. According to @EmberCN, the address originally withdrew 3,865 ETH from Kraken in early 2017 when ETH was around $13, worth about $50,000. According to @EmberCN, the holder had gradually sold 565 ETH previously and kept most of the balance until this sale. According to @EmberCN, the position turned roughly $50,000 into about $14.43 million, equating to a 288x return.