Capture the effect of amplitude fluctuation permitted in Tehran Stock Exchange
A brief look at the majority of stock exchanges in all over the world shows thatthey exercise volatility range in order to achieve goals such as preventing pricemanipulation and reducing market turbulence and emotions. Allowable volatilityrange is the price range of a share in a workday; this means that the share’s changesin that day cannot exceed or become less than this limit. Therefore this rangereduces market manipultion and emotions.Beside varied advantages of exercising volatility range, there are somedisadvantages and researches have been done that some allege efficiency and someallege inefficiency of this phenomenon.In this study,we examine one of the consequences of exercising the allowablevolatility range, namely magnetic effect and by using autocorrelation examineeither existence or non-existence of it in sample corporations_20 corporations thatare accepted in Tehran’s stock exchange up to 1391/09/30. It is worth mentioning that the sample corporations are blessed with 26/87% ofall the transactions in Tehran stock exchange during the period in which this studyhas been done.Results show that between the examined corporations(kesaveh, hafari shomal,betrans, sina, fazar, fasmin, folad, ghepira, gheshekar, ghenisha, kermasha, keruy,vapetro, vasapa, vasakht, vasepah, vasandogh, valsapa, vamellat, vamaden) 14corporatins (kesaveh, hafari shomal, betrans, sina, fasmin, folad, gheshekar,ghenisha, kermasha, vasapa, vasakht, vasepah, vasandogh, vamaden) had magneticeffect.
Journal of Investment Knowledge, Volume:3 Issue:12, 2014
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