The risk fund of China Construction Bank is prepared in advance to ensure normal market transactions. According to relevant public information, the purpose of preparing risk premium in advance is to ensure the normal conduct of market transactions and reduce risks. In China, the risk premium mechanism, namely futures margin, is mainly set in the futures trading market. According to the different nature and functions, futures insurance premiums can be divided into two categories: settlement reserve and trading margin. Construction Bank generally refers to China Construction Bank and China Construction Bank. Formerly known as the People's Construction Bank of China, it was established in June 1954+ 10/(later officially renamed China Construction Bank on March 26th, 1 996), and its head office is located at No.25, Beijing Financial Street. It is a large state-owned commercial bank managed by the central government and a national vice-ministerial unit.