Journal of Investment Strategies

Enhancing the profitability of earnings momentum strategies: the role of price momentum, information diffusion and earnings uncertainty

Marc-Gregor Czaja, Philipp Kaufmann and Hendrik Scholz


Recent literature indicates that stock characteristics proxying for behavioral biases reinforce the earnings momentum effect. Using data from the investable German HDAX index, we analyze whether returns of earnings momentum strategies can be enhanced in a way that not only survives common risk adjustments but also maintains profitability after trading costs. For our liquid stock universe, we find that the rate of information diffusion has the strongest impact. A bivariate sort on earnings momentum and market capitalization yields gross Carhart alphas of up to 22% per year. The abnormal returns are largely robust to reasonable levels of trading costs.

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