This paper re-examines the profitability of the post-earnings-announcement-drift (PEAD) trading strategy using a practical simulation approach that aligns with a fund manager’s investment perspective. It allows us to calculate the break-even transaction costs of following a PEAD strategy, and permits the explicit incorporation of transaction costs. Using US data from 1974 to 2007, we show that the traditional event-study method understates the risk and overstates the abnormal return of the PEAD strategy. Accounting for transaction costs in a practical simulation framework, we show there is no abnormal return (alpha) from the PEAD strategy in multi-factor asset pricing regression analyses. These results are robust to sub-period analyses and alternative transaction cost measures. The effects of intraday timing and information risk on the PEAD strategy are also explored. Overall, our study shows that the practical aspects of implementing the PEAD strategy are vitally important to evaluating the risk and return of the strategy. We provide a practical, analytical tool that can be directly adopted by fund managers to study the PEAD strategy with their institutional parameters of transaction costs and market timing.
Review of Quantitative Finance and Accounting – Springer Journals
Published: Jun 18, 2013
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