Journals / MALİYE FİNANS YAZILARI / 2015 / Cilt: 29 - Sayı: 103

An Analysis of Intraday Data on Borsa Istanbul

Borsa İstanbul'da Gün İçi Verisinin Analizi

Pages
141–155
Publication Date
2022-10-18
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The findings as to standard deviations demonstrate J type and W type structures in the first and second sessions, respectively

📌 3 Key Takeaways

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Objective & Hypothesis:Calendar anomalies (day of the week effect, January effect, month effect) are the most frequently encountered cases for the rejection of price unpredictability suggested by Efficient Market Hypothesis in finance literature.
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Key Findings & Data:This study analyses the structure of intraday returns and their standard deviations within 15 minute time frames for BIST 100.
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Conclusion & Impact:The findings as to standard deviations demonstrate J type and W type structures in the first and second sessions, respectively
🔬Design:Research Article
📍Scope:2013 Verileri
⚙️Variables:Domain Parameters

Abstract

Calendar anomalies (day of the week effect, January effect, month effect) are the most frequently encountered cases for the rejection of price unpredictability suggested by Efficient Market Hypothesis in finance literature. Evaluation of intraday data is not only important for understanding the hourly movement of returns but also learning the structure of standard deviation. This study analyses the structure of intraday returns and their standard deviations within 15 minute time frames for BIST 100. Because the transaction times were changed on 10 June 2013, the dataset covers 5954 observations belonging to the period between 11 June 2013 and 28 May 2014. The findings as to standard deviations demonstrate J type and W type structures in the first and second sessions, respectively

Özet

Finans literatüründe Etkin Piyasa Hipotezinin fiyatların tahmin edilememesine yönelik önermesinin en çok rastlanılan red gerekçesi tarih anomalileridir (haftanın günü etkisi, Ocak ayı etkisi, ayın dönüm etkisi gibi). Gün içi verisinin incelenmesi sadece getirilerin belirli saat dilimlerinin şeklinin anlaşılması dışında standart sapmasının yapısını öğrenmek anlamında da önemlidir. Bu çalışmada Borsa İstanbul 100 endeksinin gün içi getirisinin on beşer dakikalık getirilerinin yapısı ve standart sapması incelenmiştir. Çalışmada kullanılan veri seti işlem saatlerinin 10 Haziran 2013 tarihinde değişmesi nedeniyle 11 Haziran 2013 tarihinden başlayarak 28 Mayıs 2014 tarihleri arasındaki 5954 gözlemi kapsamaktadır. Standart sapmaların birinci seansta J tipi ikinci seansta ise W tipi bir yapıya sahip olduğu bulunmuştur

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Cite This Article

AYBARS, A., ÇİNKO, M., ÖNER, M., AVCI, E. (2022). An Analysis of Intraday Data on Borsa Istanbul. MALİYE FİNANS YAZILARI, Cilt: 29 - Sayı: 103, 141–155. https://ajindex.com/articles/577972

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