by Quantifi
Prior to the credit crisis, interest rate modelling was generally well understood. Following the crisis, interest rate modelling has undergone nothing short of a revolution. This whitepaper covers the new generation of interest rate modelling based on overnight index swap (OIS) discounting and integrated Credit Valuation Adjustment (CVA) and how this new framework requires a rethink of derivative modelling from first principles and presents significant challenges for existing valuation, risk management, and margining systems.