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High Frequency Trading and Price DiscoveryJonathan BrogaardUniversity of Washington - Department of Finance and Business Economics Terrence HendershottUniversity of California, Berkeley - Haas School of Business Ryan RiordanQueen's School of Business April 22, 2013 Abstract: We examine the role of high-frequency traders (HFTs) in price discovery and price efficiency. Overall HFTs facilitate price efficiency by trading in the direction of permanent price changes and in the opposite direction of transitory pricing errors, both on average and on the highest volatility days. This is done through their liquidity demanding orders. In contrast, HFTs’ liquidity supplying orders are adversely selected. The direction of buying and selling by HFTs predicts price changes over short horizons measured in seconds. The direction of HFTs’ trading is correlated with public information, such as macro news announcements, market-wide price movements, and limit order book imbalances.
Number of Pages in PDF File: 61 Keywords: high frequency trading, price formation, price discovery, pricing errors JEL Classification: G12 Date posted: October 12, 2011 ; Last revised: April 26, 2013Suggested CitationContact Information
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