• 1. Abnormal Volatility: 异常波动
• 2. Abnormal Volatility of Individual-Security: 个股异常波动

• 1.The Yo Yo Exit is a classic volatility stop that is intended to recognize an abnormal adverse price fluctuation that occurs in one day.
  YO YO止损法是典型的波动性止损法，即用于辨别一个交易日内异常的不利的价格波动。
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