Like daylight savings and Columbus Day some things exist just because they do.John Oliver’s
John Oliver’s Last Week’s News Tonight features a segment called How is this still a thing? The Generalized Autoregressive Conditional Heteroskedasticity (GARCH) model is used for estimating stochastic volatility and optionality.
The real question is: How was this ever a thing? If one CEO could pronounce it, there might be a ray of hope the global financial system isn’t doomed.