RDP 1999-04: Value at Risk: On the Stability and Forecasting of the Variance-Covariance Matrix Equation (12)

σ ^ 2 ij,AV = 1 63 t=1 63 σ 2 T+t MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGafq4WdmNbaK aadaahaaWcbeqaaiaaikdaaaGcdaWgaaWcbaGaamyAaiaadQgacaGG SaGaamyqaiaadAfaaeqaaOGaeyypa0ZaaSaaaeaacaaIXaaabaGaaG OnaiaaiodaaaWaaabCaeaacqaHdpWCdaahaaWcbeqaaiaaikdaaaGc daWgaaWcbaGaamivaiabgUcaRiaadshaaeqaaaqaaiaadshacqGH9a qpcaaIXaaabaGaaGOnaiaaiodaa0GaeyyeIuoaaaa@4C72@