Portfolioversicherung mit einem kohärenten Risikomaß (CVaR)

What does 95% VaR mean?

It is defined as the maximum dollar amount expected to be lost over a given time horizon, at a pre-defined confidence level. For example, if the 95% one-month VAR is $1 million, there is 95% confidence that over the next month the portfolio will not lose more than $1 million.

What is the value at risk formula?

Value at Risk (VAR) can also be stated as a percentage of the portfolio i.e. a specific percentage of the portfolio is the VAR of the portfolio. For example, if its 5% VAR of 2% over the next 1 day and the portfolio value is $10,000, then it is equivalent to 5% VAR of $200 (2% of $10,000) over the next 1 day.

What does 99% VaR mean?

From standard normal tables, we know that the 95% one-tailed VAR corresponds to 1.645 times the standard deviation; the 99% VAR corresponds to 2.326 times sigma; and so on.

Why is value at risk important?

Value at risk (VaR) is a financial metric that you can use to estimate the maximum risk of an investment over a specific period. In other words, the value at risk formula helps you to measure the total amount of potential losses that could happen in an investment portfolio, as well as the probability of that loss.

What is VaR formula?

Value at Risk (VAR) calculates the maximum loss expected (or worst case scenario) on an investment, over a given time period and given a specified degree of confidence. We looked at three methods commonly used to calculate VAR.

What is VaR formula in Excel?

Description. The Microsoft Excel VAR function returns the variance of a population based on a sample of numbers. The VAR function is a built-in function in Excel that is categorized as a Statistical Function. It can be used as a worksheet function (WS) in Excel.