Keloharju, Matti; Linnainmaa, Juhani T.; Nyberg, Peter - National Bureau of Economic Research (NBER) - 2014
A strategy that selects stocks based on their historical same-calendar-month returns earns an average return of 13% per year. We document similar return seasonalities in anomalies, commodities, international stock market indices, and at the daily frequency. The seasonalities overwhelm...