[Data: Lightning-fast whale closes BTC short position, losing $496,000] According to HyperInsight monitoring, the whale (0x50b30) closed a BTC short position at 17:37, incurring a loss of $496,000. Immediately afterward, it opened a 25x long position on 2,536.53 ETH (approximately $7.63 million) while simultaneously opening a 20x short position on 84.47 BTC (approximately $7.54 million), establishing a hedging strategy. This address is renowned for its rapid long-short shifts, often engaging in large-scale reverse positions immediately after closing trades.