An Evaluation of Relative Significance and the Easy Access to Information in Tehran Stock Exchange

Information is the most valuable asset in the stock exchange. Exchange markets are efficient wherever the require information are freely, promptly and with minimum costs are available to traders. The results show that the traders in stock exchanges believe that among the four categories of information, i.e., financial, capital, corporate activities and political-economical (external) information, those which are related to corporate activities have lower level of significance while financial, capital and external information are ranked similarly. Moreover, among different kind of financial information, the dividends, and among the variety of capital information, the information regarding the capital variations are more easily available to traders. Among the external information, the information related on the political conditions of the country is more demanded by traders in a stock exchange. It should be noted that the information available in this paper are obtained by distributing questionnaires related to the year 1384.