馬馬虎虎隨便一說好像差不多,其實不對。“Beta”是線性回歸裏的回歸係數,不是相對於大盤的波動率。
馬馬虎虎隨便一說好像差不多,其實不對。“Beta”是線性回歸裏的回歸係數,不是相對於大盤的波動率。
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