what is the best way to model oil volatility what is the difference between standard curve and egarch? can normal innovations outperform can egardh outperform standard curve does garch innovation outperform other tools what is the best way to model price volatility what model outperforms the egarch can egardh innovations outperform standard curve can normal garch outperform student-t garch innovations can egard model outperform normal curve what is the difference between a normal gardh and an egarch can egarch outperform normal curve what is the standard garch what is the difference between egard and hatch what is the standard gard how to model volatility of gold what is the gard standard model can the egarch model be a normal innovation model what kind of innovation is gard what is normal curve