. -- High frequency data ; long memory ; volatility persistence ; structural breaks …

. -- high frequency data ; long memory ; volatility persistence ; structural breaks …

data ; long memory ; volatility persistence ; structural breaks …

This paper examines co-movements and volatility spillovers in the returns of the euro, the British pound, the Swiss … significant co-movements and volatility spillovers across the four exchange returns, but their extend is, on average, lower in the … latter period. Return co-movements and volatility spillovers show large variability though, and are positively associated …

Heteroscedasticity) volatility dynamics. DCS models are robust to extreme observations, whereas standard financial time series models are … observations, stochastic seasonality with dynamic amplitude, and volatility dynamics. These seasonality dynamics of the GTQ/USD are …

In this study, we model realized volatility constructed from intraday high-frequency data. We explore the possibility … of confusing long memory and structural breaks in the realized volatility of the following spot exchange rates: EUR …' realized volatility. From the Bai – Perron test, we found structural breakpoints that match significant events in financial …