#大户持仓动态 On the night of December 17th, Bitcoin and Ethereum experienced a rapid pullback—Bitcoin triggered a noticeable spike at a critical level. Such sudden dips often hide short-term opportunities. Some traders accurately judged this rhythm during nighttime market fluctuations, successfully building positions within a 62-point range, with their predictions closely matching the actual movement. $BTC $ETH 's rapid fluctuations indeed present strong arbitrage opportunities for participants who can master the rhythm. However, this type of high-frequency operation also comes with higher risks—timely stop-loss is equally crucial.