On January 26, a high-frequency trader known as 'Pioneer of Short Selling' closed an ETH short position, incurring a loss of $12,500 after holding it for three hours. According to BlockBeats On-chain Detection, the account currently shows an unrealized loss of $49,000.

The trader employs a strategy involving multiple assets with strict risk management, achieving a total profit of $2.367 million over the entire trading cycle.