How many stocks are required to reduce unsystematic risk significantly is an important question for investors. While there is a large body of research on the subject in the United States, there is little formal work on this question in India. We show that a 15-20 stock portfolio, the traditional...

We compute the Fama-French three- and five-factor and momentum factor returns for Indian equities between October 2006 and February 2022 using data from Refinitiv Datastream following two breakpoint schemes. We show a high correlation between our factor return estimates and those reported in the...