Efficiency comparison among GARCH models in modeling and liquidity measurement. Case study: Tehran Stock Exchange

Document Type : Original Article

Authors
1 Assitant Professor of Islamic Azad University, Central Tehran Branch
2 M.A. Student of Olume Eghtesadi University
Abstract
In investors' opinion, liquidity is a critical item for a market to be chosen by investors. This paper aim is a comparison among efficiency of 5 different GARCH models for modeling and liquidity risk measurement. Due to do that, a time series of data belong stock market for a period of 1381-1390 were gathered.  Then liquidity risk was modeled by some GARCH models. Moreover, an Amihood criterion was calculated in accordance with TEPIX.  The results show that M-Arch is the best model among other GARCH models
Keywords