in the open auction hall, 152 thousand tons of kombatum takthal and concentrate of precious metals were sold. hall of industrial and mineral products also deals in 45 thousand tons of stone pellets. he experienced all kinds of steel sheets and ingots. the volume of transactions in the petrochemical and oil products hall was 37 thousand tons. 27 thousand tons of cement were sold in the matching trading system. the export hall hosted the transaction of 2650 tons. the managing director of tehran stock exchange said that changes should be made in the trading infrastructure of the bilateral futures market in order to increase the trading volume of this market. according to mr. gudarzi , this market was launched for two-way transactions and profiting from positive and negative market conditions. with the sound of this bell, other market transactions started in the stock market . stock futures market. the main goal of tehran stock exchange is to be able to launch future tools in the capital market to have a two-way path. it means that the investor has the possibility to earn profit both in the