Makale özeti ve diğer detaylar.
Initial public offering (IPO) is one of the ways for companies to obtain funds from investors in market. In that process, investors may obtain abnormal returns in a very short time or big loses in long term based on the pricing of IPO. This empirical study investigates the performances of all IPOs in Istanbul Stock Exchange (ISE) offered between January 2010 and June 2011. Event study methodology was used to measure the short term performance of 32 IPOs and daily, end of week, month, 3 months and 6 months basis time windows were employed. Emprical findings are not in line with previous studies. The results bring out that IPOs provide positive abnormal return only at the end of third day of trading. In addition, no significance relation found among IPOs short term performance and IPO firms' age, sector operated in, size, and shares sold to foreign investors.