FIFA, 26 May (FAP)-- A seminar on the development of the Shanghai commodity options market sponsored by the Shanghai Futures Exchange was held in Shanghai. In the next step, the Shanghai Stock Exchange will speed up the construction of a high-quality product system, closely around the manufacturing powers, actively promote the listing of more options, and achieve the coverage of mature options; in terms of business innovation, the Shanghai Stock Exchange will also speed up the introduction of a portfolio margin system to reduce the occupation of options margin and further enhance the convenience of market participation.