Value-at-Risk
Introduction
Risk assessment is essential in portfolio management. A portfolio manager has the duty of maximising returns of the portfolio of the assets for each level of risk. Alternatively, a portfolio manager should minimise the risk of the portfolio at any level of return of the portfolio. Several models are used in assessing the risk involved in a portfolio of investments. Value-at-risk is widely applied in determining portfolio risk. We explore the concept of value-at-risk and its usage in portfolio management.
It is a model that measures how much the value of a portfolio could fall over a specified ...