某Cá voi以均价101,482美元买回420枚WBTC并还款，通过giao dịch lướt sóng获利80万美元

The news from BlockBeats on December 19th, according to the on-chain analyst Yu Jin monitoring, the whale Cá voi just bought back the shorted BTC and repaid it, earning $800,000. The brother borrowed 420 WBTC from Aave on the 16th and sold it for $103,402 to short BTC. Today, he bought back the 420 WBTC at a price of $101,482, completing the repayment of this short-selling operation. The total number of operations of the whale Cá voi has now reached 21 rounds, with 17 wins and 4 losses.