The purpose of the ISG is to provide a global network for the sharing of information and the coordination of regulatory efforts among exchanges trading securities and other products to address potential intermarket manipulation and trading abuses. The ISG plays a crucial role in information sharing among markets that trade securities, options on securities, security futures products, futures and options on broad-based security indexes, as well as futures and options on other asset classes such as currencies, interest rates, energy, base metals and precious metals.