来自《耶鲁大学开放课程：金融市场 第14集 第14集》

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  The second is that risk is primarily about
  第二原则所谓风险 是指
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  what is the worst thing that can happen.
  有可能发生的最糟糕的事
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  In a typical security
  典型的
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  Wall Street risk management
  华尔街式证券风险管理
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  a lot of focus is in
  重点关注
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  what is the range of moderately probable outcomes.
  可能结果的概率区间
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  So, people talk about VaR,
  所以人们常常谈论VaR
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  value at risk,
  在险价值
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  and lots of people try and build VaR systems.
  许多人尝试建立一套在险价值体系
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  What they are trying to determine is
  他们努力确定的是
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  how wide is the band of outcomes.
  某个可能结果的范围有多广
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  How wide is the band of stuff
  比如说以95%或者98%的可能性