When it comes to managing a portfolio with hundreds of millions or billions of dollars, it’s important to have a firm handle on risk. Specifically, fund managers need to calculate the Value at Risk ...

Amidst the current market turmoil due to the COVID-19 pandemic, it is timely to examine the performance of different Value-at-Risk (VaR) models over the long-term and in previous times of crisis.

LONDON, May 11 (IFR) - The implementation of a new Value-at-Risk model looks to have masked a US$2bn mark-to-market loss that built up in JP Morgan's chief investment office over the past few months.