Impact of High-Frequency Trading on the Stock Returns of Large and Small Companies in the Tehran Stock Exchange

Ahmad Sarlak and Zahra Talei

International Journal of Economics and Finance, 2016, vol. 8, issue 4, 216-228

Abstract: The main objective of this study is to evaluate the effect of high-frequency trading on stock returns of the Exchange market in Tehran Stock Exchange. The research methodology in this study is in terms of the purpose, functional and in terms of the method of data collection, descriptive and in terms of the type, solidarity. Statistical society of this research is all companies in the Tehran Stock Exchange which in the past two years had been active in the stock market. In this study, companies are divided into two categories: large and small companies. Large companies that their assets logarithm is greater than the average total sample and small companies that their assets logarithm is less than the average total sample. To collect information has been used from the financial statements of accepted companies in Tehran Stock Exchange. MATLAB software has been used for data analysis. Used tests in this study are include (DF) Dickey-Fuller test, (ADF) Generalized Dickey-Fuller test, Phillips-Perron test, and time series methods. The results of this study show that the dynamics of stock returns of the Tehran Stock Exchange are non-linear functions and high Frequency trading of the large companies affect the turnover of small companies. As a result, volume of the high-frequency trading and the returns of small and large companies are different from each other.

Keywords: high-frequency trading; MS- EGARCH; stock returns; stock exchange; assets log (search for similar items in EconPapers)
Date: 2016
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