#Momentum

The paper Da, Zhi and Zhang, Xiao, Same-Weekday Momentum (SSRN) first came out on March 14, 2024 and has raked up quite a bit of interest since then. The authors present an effect where if you formed momentum portfolios by weekday, you end up with better returns than traditional momentum.  For example, to build Monday’s […]

Momentum investing has been around for decades. It was first formalized by Jegadeesh and Titman in their ground-breaking work on momentum: Returns to Buying Winners and Selling Losers: Implications for Stock Market Efficiency (pdf) in 1993. Since then, there have been hundreds of variants of the same underlying strategy that strike a slightly different balance […]