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We consider estimates of the parameters of GARCH models of daily financial returns, obtained using intra-day (high … not exist. In particular, we consider estimation in this way of an ARCH approximation, and obtain GARCH parameters by a … estimés des paramètres des modèles GARCH pour les rendements financiers journaliers, qui sont obtenus à l'aide des données …
Persistent link: https://www.econbiz.de/10005100771
Historical and sequential CUSUM change-point tests for strongly dependent nonlinear processes are studied. These tests are used to monitor the conditional variance of asset returns and to provide early information regarding instabilities or disruptions in financial risk. Data-driven monitoring...
Persistent link: https://www.econbiz.de/10005100955