on the 16th of aridbehesht, it was offered through the over-the-counter commodity information base, the news of the commodity exchange, the conditions for the purchase of tractors and dump trucks for the 19th of aridbehesht, omid qalibaf, the spokesman of the ministry of security, announced the integrated vehicle allocation system, which was proposed by the competition council , and has reduced the prices in the open market. the latest news is that the central bank announced the settlement of all obligations of the central coin exchange bonds physically through selected branches of the national bank of iran. the gold coin option contract with the maturity date of june this year will be launched based on the announcement of the commodity exchange of options contracts and the sale of gold coins will be launched on wednesday 20th. it can be traded until june 27. the purchase and sale option contracts will be traded at the prices of 31, 32 and 33 million tomans, and the full option contracts have a price fluctuation with an opening period of 30 minutes at the beginning of the session. tradi