عنوان مقاله [English]
Researchers have different opinions on the effects of trading halts. The positive and negative effects resulting from trading halts has not been proved conclusively in conducted researches. The purpose of this study is to investigate the effect of trading halts on quality of Tehran Stock Exchange during 2007 to 2011. Three quality variables that are used to measure quality include trading activity, liquidity and volatility. It is necessary to note that this study only examines the stops related to annual ordinary assembly. Statistical software has been used in order to adjust and classify data and test the hypotheses. Since, according to KolmogorovâSmirnov test the components of quality were abnormal, nonparametric methods have been used. Statistical results show that in general trading activity declines after trading halts and liquidity increases and trading halts have no significant effect on volatility.