Journals / İ M K B Dergisi / 2007 / Cilt: 9 - Sayı: 35

Overreaction Hypothesis and an Empirical Work on the Istanbul Stock Exchange

Aşırı Tepki Verme Hipotezi ve İMKB Üzerine Ampirik Bir Çalışma

Pages
23–39
Publication Date
2022-10-18
DOI
—
🏛️Bibliographic metadata and full text access for this article are provided via DergiPark.
DergiPark Record ↗
✨

AI Summary & Key Takeaways

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

According to the results of the empirical study show that the Winner portfolio provides lower yield with a ratio of 50,57 %, which is below the market whereas the Loser portfolio produces higher yield with a ratio of 66,11 %, above the market.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, the weak form efficiency of the ISE is tested with the operational strategy which the overreaction hypothesis projects.
📊
Key Findings & Data:The period between January 1, 1988 and December 31, 2002 is examined.
💡
Conclusion & Impact:According to the results of the empirical study show that the Winner portfolio provides lower yield with a ratio of 50,57 %, which is below the market whereas the Loser portfolio produces higher yield with a ratio of 66,11 %, above the market.
🔬Design:Research Article
📍Scope:2002 Verileri
⚙️Variables:Domain Parameters

Abstract

In this study, the weak form efficiency of the ISE is tested with the operational strategy which the overreaction hypothesis projects. The period between January 1, 1988 and December 31, 2002 is examined. The total number of 4 periods consisted of 36 months, were examined. According to the results of the empirical study show that the Winner portfolio provides lower yield with a ratio of 50,57 %, which is below the market whereas the Loser portfolio produces higher yield with a ratio of 66,11 %, above the market. The findings gathered by under the operational strategy which overreaction hypothesis foresees have shown that the ISE is not a weak form of efficient market. The side effect is seen to become more evident in the fourth period including financial crisis that prevailed in Turkey between November 2000 and February 2001.

Özet

Bu çalışmada, istanbul Menkul Kıymetler Borsasında zayıf formda piyasa etkinliği, aşırı tepki verme hipotezinin öngördüğü işlem stratejisiyle, test edilmiştir. Çalışmada 1 Ocak 1988 - 31 Aralık 2002 tarihleri arasındaki dönem incelenmiştir. Söz konusu dönem, 36 aydan oluşan 4 periodu kapsamaktadır. Yapılan ampirik çalışmanın sonuçlarına göre kazandıran portföy piyasanın altında %50,57 oranında daha az getiri sağlarken, kaybettiren portföy piyasanın üzerinde %66,11 daha fazla getiri sağlamıştır. Bu çalışmada aşırı tepki verme hipotezinin öngördüğü işlem stratejisi izlenerek elde edilen bulgular İstanbul Menkul Kıymetler Bor sası'nın zayıf formda etkin bir piyasa olmadığı sonucunu ortaya koymuştur. Söz konusu etkinin, Türkiye'de Kasım 2000 ve Şubat 2001 'de yaşanan finansal krizleri içeren 4. periyodunda, daha da belirginleştiği görülmektedir.

🔖

Cite This Article

YILDIZ, B., AKKOÇ, S., SEVİM, Ş. (2022). Overreaction Hypothesis and an Empirical Work on the Istanbul Stock Exchange. İ M K B Dergisi, Cilt: 9 - Sayı: 35, 23–39. https://ajindex.com/articles/546401

📄 Full Text PDF Viewer

📄

PDF görüntüleyici hazırlanıyor...

References (16)

  1. Abarbanell, J. S., Bernard, V. L., "Tests of Analysts' OverreactionlUnderreaction to Earning Information as an Explanation for Anomalous Stock Price Behavior", Journal of Finance,1992, p. 1181-1207.
  2. Agrawal, A., Tandon, K., "Anomalies or Illusions? Evidence from Stock Market in Eighteen Countries", Journal of International Money and Finance, Vol. 13, 1994, p. 83-106.
  3. Ali, A., Hwang, L. S., Tromley, M. A., "Arbitrage Risk and the Book-To-Market Anomaly", Journal of Financial Economics, Vol. 69, 2003, p. 355-373.
  4. Alonso, A., Rubio, G., "Overreaction in the Spanish Equity Market", Journal of Banking and Finance, Vol.147, 1990, p. 469-481.
  5. Ariel, R. A., "A Monthly Effect in Stock Returns", Journal of Financial Economics, Vol. 18, 1987, p. 161-174
  6. Ariel, R. A., "High Stock Returns Before Holidays: Existence and Evidence on Possible Causes", Journal of Finance, Vol. 45,1.5, 1990, p. 1611-1626.
  7. Atkins, A. B., Dyl, E. A., "Price Reversals, Bid-Ask Spreads, and Market Efficiency", Journal of Financial and Quantitative Analysis, Vol. 25,1. 4, 1990, p. 535-547.
  8. Ball, R., Kothari, S. P. ve Shanken, J., "Problems in Measuring Portfolio Performance: An Application to Contrarian Investment Strategies", Journal of Financial Economics, Vol. 38 1995, p. 79-107.
  9. Barbee, W. C, Mukherji. S., Raines, G. A., "Do Sales-Price and Dept-Equity Explain Stock Return Better than Book-Market and Firm Size?", Financial Analysts Journal, March, April 1996, p. 56-60.
  10. Bartoldy, J., "Changes in Earnings-Price Ratios and Excess Return: A Case of Investor Over-Reaction",International Review of Financial Analysis, Vol. 7 I. 3, 1998, p. 237-252.
  11. Basu, S., "Investment Performans of Common Stocks in Relation to Their Price-Earnings Ratios: A Test of the Efficient Market Hypothesis," Journal of Finance, Vol. 32, I. 3, 1977, p. 663-682.
  12. Baytaş, A., Çakıcı, N., "Do Markets Overreact: International Evidence", Journal of Banking & Finance,Vol. 23, 1999, p. 1121-1144.
  13. Bauman, W. S., "Investment Experiance With Less Popüler Common Stocks", Financial Analysts Journal,May/April 1964, p. 79-88
  14. Bowman, R. G., Iverson, D., "Short-Run Overreaction in the New Zealand Stock Market", Pacific-Basin Finance Journal, Vol. 6, 1998, p. 475-491.
  15. Brown, K. C, Harlow, W. V., "Market Overreaction: Magnitude and intensity", Journal of Portfolio Management, 1988, p. 6-13.
  16. Chen, C. R., Sauer, D. A., "Is Stock Market Overreaction Persistent Over Time?", Journal of Business Finance & Accounting, Vol. 24,1. 1, 1997, p. 51-66.