Akademik Veri Yönetim Sistemi
EKONOMI POLITIKA & FINANS ARASTIRMALARI DERGISI, cilt.8, sa.2, ss.263-282, 2023 (ESCI)
Understanding the behavior of investor types operating in today's financial markets and to what extent these behaviors will affect the market is an important issue for the development and stability of emerging markets like Turkey. In this context, the effects of these investors on the Borsa Istanbul (BIST) 100 Index were investigated by considering the identity type (retail, institutional and other) and nationality (local, foreign) of the investors investing in BIST. In this context, the current period portfolio value of stock investments of institutional/local, institutional/foreign, retail/local, retail/foreign, other/local, other/foreign investors and BIST 100 Index data between 2010:2-2022:12 Analyzed using Bayesian Vector Autoregressive Model (BVAR) estimation. According to the research findings, approximately 67% of the volatility in the BIST 100 Index is explained by the index itself. The disclosure rate again hovers between 65% and 67% in the following periods. According to the results obtained in terms of investor profile, it has been determined that approximately 31% of the changes in the BIST 100 Index, especially at the end of the period covered in the research, are explained by foreign investment trusts and foreign investment funds classified as other/foreign investors.