請問實務中Var的vol是如何決定的? - 金融分析師

By Andy
at 2011-06-09T23:26
at 2011-06-09T23:26
Table of Contents
小弟我目前正在修衍生性商品訂價,目前教到Var的章節。
在題目和課本中波動率都是給定的,因此我很好奇到底實務上
是如何決定標的物的波動率??(是歷史統計資料? 抑或風控人員個人感覺?)
希望在業界的前輩能不吝指教~ 謝謝
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