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, volume, and selected liquidity measures. We find clear evidence of periodic patterns matching the trading hours of the most …
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This study examines the impact of corporate earnings announcements on trading activity and speed of price adjustment, analyzing algorithmic and non–algorithmic trades during the immediate period pre– and post– corporate earnings announcements. We confirm that algorithms react faster and...
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. Theory predicts this technological advantage should translate into market-wide liquidity co-variation, by transmitting … information-based liquidity shocks. Using a dataset of orders and trades from the French stock market, we investigate whether HFT … algorithms constitute a source of systematic liquidity risk. We demonstrate that, across securities, the liquidity offered by …
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