The Effect of Stock Migration on the Spend of portfolio's Return

The purpose of this study is to investigate the effect of stock migrations on the spend of portfolios’ return. For this purpose, the return of portfolios that have migration for two consecutive courses was investigated. Due to the few studies in Iran, this issue has no clear and reliable results in Iran. This research can be complementary to studies by Fama and French, Khan Ahmadi and Tehrani. To test the hypotheses, portfolios based on accounting data from 2004 to 2016 were provided. In this research, sampling method is systematic elimination method and Alpha Jensen is used to study the constituted portfolios performance. According to the results of first, second and third hypotheses, there is not a significant relationship between return and stock migration. Meanwhile, there is a significant relationship between the variables of the forth hypothesis. Therefore, the wealth of stock holders increased by investing in companies that had migration from small size to big size in two consecutive courses.