The expansion of the World Wide Web has led to a chaotic state where the users of the internet have to face and overcome the major problem of discovering information. For the solution of this problem, many mechanisms were created based on crawlers who are browsing the www and downloading pages....

This paper studies the dynamic relationship between the CBOE VIX index spot and futures returns by applying multi-period, non-parametric, Granger non-causality tests and measurements on conditional distributions. In contrast to the related empirical studies, it is found that VIX futures returns...