We document an annual cycle in the U.S. Treasury market, with variation in mean monthly returns of over 80 basis points from peak to trough. This seasonal Treasury return pattern does not arise due to macroeconomic seasonalities, seasonal variation in risk, cross-hedging between equity and...

In questioning Kamstra, Kramer, and Levi's (2003) finding of an economically and statistically significant seasonal affective disorder (SAD) effect, Kelly and Meschke (2010) make errors of commission and omission. They misrepresent their empirical results, claiming that the SAD effect arises due...