Working in the open market through immediate or deferred buying and selling, preparing data for issues, completing their registration and documentation in the system, linking them to the international number issued by the Qatar Financial Markets Authority (QFMA), implementing repurchase agreements for tradable securities issued by the government and securities issued by the bank, and listing the issues on Qatar exchange and follow up on their trading and coordinate with the stock exchange to issue daily reports related to the transfer of ownership of listed issues by the QCB for the benefit of the Ministry of Finance