The Effects of New Equity Announcements on Stock Returns: An Examination on BIST

Cumali Ünal and Bahadır Ergün

Journal of Research in Economics, Politics & Finance, 2023, vol. 8, issue 2, 224-243

Abstract: The aim of this study is to examine the effect of rights and bonus issue announcements on stock returns. The study analyzes the companies included in the BIST-30 and BIST-50 indices between 2010 and 2022 and the companies that made capital increase announcements while they were included in these indices. In total, 84 different capital increase announcements of 35 companies were included in the study. In the study, the event study method was used and two different event windows were created as (-10, +10) and (-5, +5). At the end of the analysis, it was observed that new equity announcements affected stock returns. The study revealed that this effect was statistically significant negative. According to this situation, it can be said that the return expectations of the investors from the companies that announce the new equity issue should be negative and they should arrange their portfolios according to this result. According to the results of the research, it has been revealed that Borsa Istanbul is an inefficient market in semi-strong form.

Keywords: Rights Issue; Bonus Issue; Event Study (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:ahs:journl:v:8:y:2023:i:2:p:224-243

DOI: 10.30784/epfad.1243465

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