Using stock data that covers the period from 6th April 2001 to 17th June 2009, including data for the recent crisis period, we perform Value at Risk risk model validation by backtesting the performance of VaR models in predicting future losses of a portfolio of stocks, futures and options. The...

Risk aggregation is the roll-up of low-level risks or sub-risks to higher levels. Risk management for banks or insurance institutions involves risk measurement and risk control at the individual risk level, including market risk, credit risk, and operational risks and also the aggregated risk of...