Footnote:
In: Journal of Finance, 2010, Vol. 65, No. 4, pp. 1369-1407
Nach Informationen von SSRN wurde die ursprüngliche Fassung des Dokuments May 26, 2010 erstellt
Description:
Motivated by the literature on investment flows and optimal trading, we examine intraday predictability in the cross-section of stock returns. We find a striking pattern of return continuation at half-hour intervals that are exact multiples of a trading day, and this effect lasts for at least 40 trading days. Volume, order imbalance, volatility, and bid-ask spreads exhibit similar patterns, but do not explain the return patterns. We also show that short-term return reversal is driven by temporary liquidity imbalances lasting less than an hour and bid-ask bounce. Timing trades can reduce execution costs by the equivalent of the effective spread