In this paper, we used the GARCH (1,1) and GARCH-M (1,1) models to investigate volatility and persistence at daily … persistence of volatility, meaning that the conditional volatility tends to revert faster to the long-term mean than the other … statistically significant and positive (thus confirming the hypothesis that an increase in volatility leads an increase in future …

breakers is necessary to ensure their effectiveness. In doing so, we analyze 2,337 volatility interruptions on Deutsche Boerse … and research whether a volume migration and an accompanying volatility spillover to alternative venues that continue … decreases during circuit breakers on the main market and we do not find any evidence for volatility spillover. Moreover, we show …