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A Comparative Analysis of BIST100 Index Volatility by COVID-19 and 2008 Global Financial Crisis Periods
Abstract
The purpose of this study is to investigate the impact of the COVID-19 crisis on capital markets and to compare it with the recent 2008 global financial crisis. For this purpose, the volatility of BIST100 index returns was examined between 2006-2020 periods. In the study, BIST100 index return volatility was analyzed by ARCH, GARCH, ARCH-M, GARCH-M, TGARCH and EGARCH methods. These methods provide all assumptions and limitations. First, the stability of the daily returns of the BIST100 index was analyzed and it was observed that the series were stationary in level. In the study, the period of June 2006-December 2010 was determined as the global financial crisis and the period of January 2020-September 2020 as the COVID-19 period, and models were established by assigning dummy (0,1) variables to these periods. In general, the effects of the COVID-19 and 2008 global financial crisis periods on index volatility are acceptable. However, this effect is more significant in the 2008 global financial crisis period than in the COVID-19 period. In addition, it was found that there is an asymmetric effect and leverage effect in the BIST 100 index.
Keywords
References
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Details
Primary Language
Turkish
Subjects
Business Administration
Journal Section
Research Article
Authors
Seda Turnacıgil
*
0000-0002-8573-8412
Türkiye
Publication Date
June 18, 2021
Submission Date
February 10, 2021
Acceptance Date
June 18, 2021
Published in Issue
Year 1970 Volume: 13 Number: 2
APA
Turnacıgil, S. (2021). BIST100 Endeks Volatilitesinin COVID-19 ve 2008 Küresel Finansal Kriz Dönemleri Karşılaştırmalı Analizi. Aksaray Üniversitesi İktisadi Ve İdari Bilimler Fakültesi Dergisi, 13(2), 59-68. https://doi.org/10.52791/aksarayiibd.878079
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