Purpose – This paper is aimed to investigate the impact of different categories of traders on price and volume durations at Euronext Paris. The two series are respectively related to the instantaneous volatility and the market liquidity; hence, they are particularly suited to test...

We empirically investigate the effect of option listing on the underlying stock pricing efficiency by examining the stock price duration dynamic. We use univariate tests and modified Log-ACD models that account for liquidity. Results indicate that option listing neither damages nor improves the...

Extreme value theory for a class of EGARCH processes is developed. It is shown that the EGARCH process as well as the logarithm of its conditional variance lie in the domain of attraction of the Gumbel distribution. Norming constants are obtained and it is shown that the considered processes...