Pages: 78-88

Abstract

In this study by the use of Vector Autoregressive model and weekly performance scale of Greenbelt portfolio and Titman, trading patterns and transactional performance components of individual and institutional investors in Tehran Stock Exchange in the years of 2010 to 2014 has been investigated. Results totally showed that, individual investors had herding behavior but institutional investors adopted contrarian strategy. Nevertheless, there were no evidence for adoption Momentum strategy by individual and institutional investors. Institutional investors had better transactional performance in the most trading interval by adapting contrarian strategy, and significant portion of revenue was because of appropriate market timing. Although choosing inappropriate stock affected their revenue. Against, despite of the fact of reasonable performance of individual investors in terms of stock selection, part of transactional performance revenue has been wasted because of inappropriate market timing.