1樓：袁浩彬
arisk measure, which is the operation that assigns a value to a risk, and
arisk metric, which is the attribute of risk that is being measured.
2樓：liu ren
In the context of risk measurement, arisk metricis the concept quantified by a risk measure. When choosing a risk metric, an agent is picking an aspect of perceived risk to investigate, such as volatility or probability of default.[1]
In a general sense, a measure is a procedure for quantifying something. A metric is that which is being quantified.[2] In other words, the method or formula to calculate a risk metric is called a risk measure.
For example, in finance, the volatility of a stock might be calculated in any one of the three following ways:
Calculate the sample standard deviation of the stock's returns over the past 30 trading days.
Calculate the sample standard deviation of the stock's returns over the past 100 trading days.
Calculate the implied volatility of the stock from some specified call option on the stock.
These are three distinct risk measures. Each could be used to measure the single risk metric volatility
摘自：https://
en.m.wikipedia.org/wiki
/Risk_metric
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