The informational efficiency of the yen/dollar exchange rate is investigated in five market segments within each business day from 1987 to 2007. Among the results, we first find that the daily exchange rate has a cointegrating relationship with the cumulative price change of the segment for...

This article examines the interaction between order imbalance, stock returns, volatility and volume dynamics during Asian financial crisis using intraday data of 418 stocks traded on the Stock Exchange of Thailand (SET) from January 1996 to October 2003. The inverse relationship between the past...

Focussing on earnings-related rather than different classes of corporate announcements as in Chae (2005), we examine trading volume behaviour and the role played by informed and uninformed investors around routine and nonroutine announcements. Prior to preliminary final earnings announcements,...