We study the volume-volatility relation by splitting volume into the number of trades and the average trade size at individual and institutional level, and realized volatility into its continuous and jump components. We find that the number of trades is the most important variable driving...

This study investigates individual and institutional trading activities before and after earnings announcements to infer informed trading in competing firms. We find evidence for individual and institutional informed trading in competing firms before earnings announcements. Magnitude of...

This study investigates individual and institutional trading activities in competing firms to infer informed trading. We find evidence for individual and institutional informed trading in competing firms around earnings announcements. The evidence is stronger prior to announcements than after...

We investigate the immediate impact of firm-specific announcements on the trading volume of individual and institutional investors on the Australian Securities Exchange (ASX). Institutional investors exhibit abnormal trading volume before and after announcements. However, individual investors...

This study investigates individual and institutional trading in competing firms around earnings announcements. We find individual and institutional informed trading in competing firms, which is dominant prior to earnings announcements. Magnitude of institutional (individual) net order flow...

We investigate the role algorithmic trading (AT) on days when the absolute value of the market return is more than two percent. We find that the abnormal return of a stock is related to the stock's AT intensity, that high AT intensity stocks experience less price drops (surges) on days when the...

Pervasive herding may cause homogenous trading patterns, both within and across stocks and thus may impact upon an important aspect of the market microstructure – liquidity. Potentially, herding could simultaneously affect the liquidity of both individual stocks and that of the market. For...

This study investigates individual and institutional investors' behaviour around firm specific news announcements. We find that individual investors and institutional investors have positive and significant abnormal volume on announcement days and significantly less abnormal volume on days...

This study investigates the impact of timing of the release of firm-specific announcements on trading volume of individual and institutional investors. We use trading data in five-minute intervals to capture the immediate impact of announcements on the trading volume. We find that individual...

The closing call auction is an important feature of modern markets that improves the efficiency of closing prices as a benchmark. We examine the effects of COVID-19 on closing price dislocation – with a specific focus on the role of high-frequency and retail traders on closing price...