vol crush

A vol crush hit options buyers hard after the Fed announcement, as implied volatility collapsed post-event.美联储宣布消息后，波动率坍塌沉重打击了期权买家，因为事件过后隐含波动率暴跌。

Experienced traders sell options before predictable events like earnings or upgrades to profit from the expected vol crush.经验丰富的交易员在财报或升级等可预测事件发生前卖出期权，以从预期的波动率坍塌中获利。