In this study, we examine the impact of high-frequency trading (HFT) on stock price crash risk in 24 countries over the period 1990 to 2019. Using a difference-in-differences approach, we find that HFT participation significantly increases stock price crash risk. We attribute this finding to the...

The paper analyses the effects of technology-based innovative techniques on Bulgarian capital market -algorithmic trading, in general, and high frequency trading (HFT), in particular - from macroeconomic costs-benefits perspective. Overwhelmingly, empirical studies emphasize that HFT improves...

For the first time in 15 years, FX trading volumes contracted between two consecutive BIS Triennial Surveys. The decline in trading by leveraged institutions and "fast money" traders, and a reduction in risk appetite, have contributed to a significant drop in spot market activity. More active...

Over the past decade or so, the spread of electronic trading has brought about significant changes in the structure of the interbank foreign exchange markets and the relationship between foreign exchange dealers and their clients. This article looks at the way foreign exchange transactions are...

Daily average foreign exchange market turnover reached $4 trillion in April 2010, 20% higher than in 2007. Growth owed largely to the increased trading activity of “other financial institutions”, which contributed 85% of the higher turnover. Within this customer category, the growth is...

Order flow is toxic when it adversely selects market makers, who may be unaware they are providing liquidity at a loss. We present a new procedure to estimate flow toxicity based on volume imbalance and trade intensity (the VPIN toxicity metric). VPIN is updated in volume-time, making it...

We examine the impact of changes in market microstructure, particularly algorithmic trading (AT) and high frequency trading (HFT), on trade size across 24 stock exchanges around the world. Using colocation services as a proxy for AT and HFT, we find mixed results on the impact of AT and HFT on...

We investigate the informational role of trading volume and quote changes in VIX options with regard to future movements in the index, based upon a high-frequency framework. Our results reveal that whilst volume imbalances convey no significant predictive information, quote changes in VIX...

This paper provides a review of the literature on high-frequency trading and discusses various initiatives taken by regulatory authorities around the world to address its potential detrimental effects on market quality and investor welfare. Empirical evidence to date generally suggests that...