Chaim, Pedro; Laurini, Márcio Poletti - In: Econometrics : open access journal 12 (2024) 4, pp. 1-28
volatility models characterized by long memory. The logarithmic variance persistence in these models is represented by a … methodology to estimate volatility dependency patterns for both the SP&500 index and major cryptocurrencies. We thoroughly assess …-factor extensions and apply this method to estimate volatility measurements from high-frequency data, underscoring its exceptional …