Journals / İ M K B Dergisi / 2007 / Cilt: 9 - Sayı: 36

Impact of Audit Opinions on Stock Returns in Istanbul Stock Exchange (ISE)

İstanbul Menkul Kıymetler Borsası'nda (İMKB) Denetim Görüşlerinin Hisse Senedi Getirileri Üzerindeki Etkisi

Pages
30–51
Publication Date
2022-10-18
DOI
—
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AI Summary & Key Takeaways

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

It is also concluded that unqualified and qualified audit opinions do provide different information to investors.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:The purpose of this study is to analyze the impact of audit opinions on stock returns in the Istanbul Stock Exchange (ISE).
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Key Findings & Data:Data used in the study were obtained from the audit reports of 2004 and 2005 for randomly selected 101 companies traded in the ISE.
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Conclusion & Impact:It is also concluded that unqualified and qualified audit opinions do provide different information to investors.
🔬Design:Research Article
📍Scope:2004 Verileri
⚙️Variables:Domain Parameters

Abstract

The purpose of this study is to analyze the impact of audit opinions on stock returns in the Istanbul Stock Exchange (ISE). In this sense, abnormal returns are calculated in order to see the reaction of the market to audit opinions around the issuance date. Data used in the study were obtained from the audit reports of 2004 and 2005 for randomly selected 101 companies traded in the ISE. We have used the event study methodology in our work, and maintain that the capital market is efficient at the intermediate level. Based on the empirical findings, investors obtained abnormal or excess returns over the event window. It is also concluded that unqualified and qualified audit opinions do provide different information to investors. It should be also indicated that the perception of investors to audit reports in different time periods are dissimilar. Overall, from the findings it can be concluded that the ISE cannot be classified as a semi-strong form efficient market.

Özet

Bu çalışmanın amacı İstanbul Menkul Kıymetler Borsası'nda (İMKB) denetim görüşlerinin hisse senedi getirileri üzerindeki etkisini araştırmaktır. Denetim görüşlerinin açıklandığı tarih etrafındaki günlerde piyasanın denetim görüşlerine tepkisini ölçmek amacıyla anormal getiriler hesaplanmıştır. İMKB'de işlem gören 101 adet şirketin 2004 ve 2005 yıllarına ait denetim raporlarında açıklanan görüşler incelenmiştir. Veriler olay çalışması yöntemine göre- değerlendirilmiş ve sermaye piyasasının yarı kuvvetli etkin olduğu varsayılmıştır. Elde edilen bulgulara göre; yatırımcılar olay penceresi içinde anormal getiriler elde etmişlerdir. Olumlu ve şartlı denetim görüşlerinin yatırımcılara farklı bilgi değeri sundukları sonucuna varılmıştır. Ayrıca yatırımcıların farklı dönemlerde denetim görüşlerini aynı şekilde değerlendirmedikleri saptanmıştır. Sonuç olarak elde dilen verilerden hareketle İMKB'nin yarı kuvvetli etkinliğe sahip olmadığı söylenebilir.

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Cite This Article

AYGÖREN, H., UYAR, S. (2022). Impact of Audit Opinions on Stock Returns in Istanbul Stock Exchange (ISE). İ M K B Dergisi, Cilt: 9 - Sayı: 36, 30–51. https://ajindex.com/articles/546399

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