短时间内大盘多数币种一起明显偏离常态、同向普涨或普跌的市场级波动。A market-wide signal where most coins move sharply in the same direction at once — a broad surge or sell-off well outside the normal range, within a short window.
它不看单个币的涨跌，而是看整个市场（尤其是比特币带头时）是不是在同一刻一起异常。它提示此刻有不寻常的事正在影响大盘，值得停下来看清是什么在驱动，而不是急着下结论。It's not about one coin's price — it flags that the whole market (especially when Bitcoin is leading) is moving together unusually right now. A cue to pause and understand what's driving it before drawing any conclusions.