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KOŞULLU DEĞİŞEN VARYANS MODELLERİ İLE KATILIM-50 ENDEKSİNİN VOLATİLİTE MODELLEMESİ
2023
Journal:  
Van Yüzüncü Yıl Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi
Author:  
Abstract:

Çalışmada, Katılım-50 Endeksinin 09.07.2014 ile 31.12.2021 tarihleri arasındaki günlük kapanış değerleri üzerinden volatilite yapısı ve endekse ait volatilite kümelenme tarihlerinin ortaya çıkarılması amaçlanmıştır. Katılım-50 Endeksinin simetrik-asimetrik durumları ARCH, GARCH, IGARCH, TGARCH ve EGARCH modelleri ile sınanmıştır. Yapılan analiz sonucunda Katılım-50 Endeksinin volatilitesini en iyi tahmin eden modelin ARCH (3) modeli olduğu görülmüştür. Katılım 50 Endeksinde cari dönemdeki volatiliteyi bir dönem önceki şokların 0.11 birim, iki dönem önceki şokların 0.15 birim ve üç dönem önceki şokların 0.14 birim etkilediği tespit edilmiştir. Ayrıca Katılım-50 Endeksindeki volatilite kümelenmelerinin de 20/07/2016, 13/07/2018, 01/04/2019, 17/03/2020, 11/08/2020, 01/02/2021, 25/03/2021 ve 22/12/2021 tarihlerinde gerçekleştiği belirlenmiştir.

Keywords:

Volatility Modeling Of The Participation-50 Index With Conditional Variance Models
2023
Author:  
Abstract:

In the study, it is aimed to reveal the volatility structure and the volatility clustering dates of the index over the daily closing values of the Participation-50 Index between 09.07.2014 and 31.12.2021. The symmetric-asymmetric states of the Participation-50 Index were tested with ARCH, GARCH, IGARCH, TGARCH and EGARCH models. As a result of the analysis, it was seen that the model that best predicts the volatility of the Participation-50 Index is the ARCH (3) model. In the Participation 50 Index, it has been determined that the volatility in the current period is affected by 0.11 units by shocks one period ago, by 0.15 units by shocks two periods ago and by 0.14 units by shocks three periods ago. In addition, the volatility clusters in the Participation-50 Index can be found on 20/07/2016, 13/07/2018, 01/04/2019, 17/03/2020, 11/08/2020, 01/02/2021, 25/03/2021 and It was determined that it took place on 22/12/2021.

Keywords:

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Van Yüzüncü Yıl Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi

Field :   Sosyal, Beşeri ve İdari Bilimler

Journal Type :   Uluslararası

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Article : 127
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Van Yüzüncü Yıl Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi