BORSA İSTANBUL ALT SEKTÖR ENDEKSLERİ ARASINDAKİ OYNAKLIK YAYILIMLARININ ANALİZİ

Yatırımcılar portföy riskini azaltmak amacıyla sektörel çeşitlendirmeye gidebilmektedir. Bu durumda sağlıklı yatırım kararlarının verilebilmesi için sektörler arasında ilişkilerin doğru bir şekilde belirlenmesi gerekmektedir. Özellikle krizler sektörler arasındaki oynaklık yayılımları üzerinde doğrudan etkili olmaktadır. Bu bağlamda çalışmada krizlerin ve farklı tipteki şokların Borsa İstanbul (BİST) alt sektör endeksleri arasındaki oynaklık yayılımları üzerindeki etkilerinin belirlenmesi amaçlanmıştır. Bu amaca uygun olarak 2001 Finansal Krizi ve 2008 Küresel Krizi baz alınarak belirlenen dönemler için DCC-GARCH analizi uygulanmıştır. Sonuçlar Asya Krizi, Rusya krizi, 1999 Depremi, 2002 genel seçimi, 2003 Körfez Savaşı, Gezi Parkı olayları, 17-25 Aralık operasyonları, Merkez Bankası faiz politikaları ile sektörlere özgü olayların yayılımları etkilediğini ortaya koymuştur

ANALYSIS OF THE VOLATILITY SPILLOVERS AMONG BORSA ISTANBUL SUB-SECTOR INDICES

Investors may prefer sectoral diversification in order to reduce the portfolio risk. In this case, investors should determine the relationships between the sectors properly in order to make healthy investment decisions. Especially crises directly affect volatility spillovers between the sectors. In this context, it is aimed to determine the effects of crises and different types of shocks on volatility spillovers among Borsa İstanbul (BIST) sub-sector indices. In accordance with this purpose The DCC-GARCH analysis is applied to the series which are determined based on 2001 Financial Crisis and 2008 Global Crisis. The results indicate that Asian Crisis, Russia Crisis, 1999 Earthquake, 2002 general election, 2003 Gulf War, Gezi Park events, 17-25 December operations, Central Bank interest policies and industry-specific events also had effects on spillovers.

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