2015 Hillcrest Behavioral Finance Award

Being Surprised by the Unsurprising: Earnings Seasonality and Stock Returns

Tom Chang (University of Southern California)

David Solomon (University of Southern California)

Samuel Hartzmark (University of Chicago)

Eugene Soltes (Harvard Business School)

We present evidence consistent with markets failing to properly price information in seasonal earnings patterns. Firms with historically larger earnings in one quarter of the year (“positive seasonality quarters”) have higher returns when those earnings are usually announced. Analysts have more positive forecast errors in positive seasonality quarters, consistent with the returns being driven by mistaken earnings estimates. We show that investors appear to overweight recent lower earnings following positive seasonality quarters, leading to pessimistic forecasts in the subsequent positive seasonality quarter. The returns are not explained by a number of risk-based explanations, firm-specific information, increased volume, or idiosyncratic volatility.

This paper was published in The Review of Financial Studies, Volume 30 (1), 2016, pp. 281-323.

    

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