释义 |
DictionarySeevarEncyclopediaSeeVarValue-at-risk model
Value-at-risk model (VaR)Procedure for estimating the probability of portfolio losses exceeding some specified proportion based on a statistical analysis of historical market price trends, correlations, and volatilities.Value at RiskIn risk analysis, a method to measure the probability of loss on an investment. One calculates the value at risk by measuring the historical trends and volatility of the investment. The method is used most often by investors in highly volatile commodities, such as energy products. |