Caporale, Guglielmo Maria; Gil-Alana, Luis; Plastun, Alex - 2017
/S analysis with the Hurst exponent method and fractional integration) are used to analyse persistence of the VIX index over the …This paper investigates the degree of persistence of market fear. Specifically, two different long-memory approaches (R … future values), whilst during crisis period the level of persistence is increasing. These results can be informative about …