We study high-frequency trading (HFT) activities and their consequent price impacts on the ASX around RBA announcement. RBA announcement provides an ideal setting for studying the speed advantage of high-frequency traders (HFTs), as the announcement has significant impact on stock prices and...

This study investigates the influence of information asymmetry on the cross-sectional variation of volume-return relation in the context of Australian stock market. In particular, this paper extends current research by incorporating informed traders' trade-size preference as well as its impact...

This paper investigates the influence of information asymmetry on the cross-sectional variation of volume-return relation. We find that the dynamic volume-return relation within medium-size trades has the most significant response to the degree of information asymmetry. We also show that the...

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...