Short term price performances of company shares that are offered to public between 2010-2014

The main purpose of this study is to evaluate the first thirty days price performances of 106 companies' shares which are offered to the public between 2010-2014, according to markets that the shares are trading, sectors, whether IPO's are capital increase or not, the number of investors participating in the IPO, free float rate and the performance with respect to the stock market index. Study also evaluate whether the regulations for IPO's made by Capital Markets Board in 2013 is effective or not. As a result of the study parallel to the previous studies, the average price performance of 106 companies' shares within the first thirty days which are offered to public between 2010-2014 is positive. On the other hand, in addition to previous studies, it is observed that regulations made by CMB are partly effective.