Determining the degree of informational asymmetry is a major topic in the literature of modern microstructure. In this paper, we review and analyze the suitability of the models for estimating the probability of informed trading [Easley et al., 1996; Nyholm, 2002, 2003]. The empirical analysis is...

This paper analyses the intraday reaction of the Spanish market to annual earnings announcements. Specifically, we examine the levels of stock liquidity, trading activity, volatility, and asymmetric information, as well as the order placement strategy around earnings disclosures. We also analyse...

Nyholm (2002, 2003) [J. of Financial Research, 25, pp. 485; J. of Applied Econometrics, 18, pp. 457] has proposed a new procedure to infer the probability of informed negotiation on a trade-to-trade basis through a regime-switching model. We provide further empirical evidence about the performance...

In 1998 the Fixing trading system was implemented in the Spanish Stock Market. It is considered an alternative to the traditional system of continuous negotiation, applicable to those stocks that have a series of basic characteristics in common. It represents an important innovation, the...

This study analyses the repercussions of the existence of minimum price variations(ticks) to different market variables. Specifically, we focus on the behaviour of bid-askspread, market depth, trading activity, volatility and investor order submission strategies. Weuse the change which occurred...