Value of a risk (VaR) is widely defined as probabilistic measure of market risk. Financial analysts use VaR to predict the future value of the market portfolio. Previous scholars who invented this idea of VaR did not use the name value of a risk. However, names like dollar at risk (DaR), income at risk (IaR), capital at risk (CaR), and earning at risk were used in place of VaR. The name ‘value at risk’ originated within JP Morgan before 1985.
Historically, value of a risk was developed though two parallel line. One of them was called Portfolio theory and