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 ...

When Tim Sears ran complex portfolio risk analysis on Wall Street in 2004, an eight-hour, overnight run was the best that could be expected, even on high-end hardware. That calculation time is now ...

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.