GFI Group | 29,652 followers on LinkedIn. GFI Group Inc. (NYSE: GFIG) is a leading intermediary in the global OTC and listed markets offering an array of sophisticated trading technologies and products to a broad range of financial market participants. More than 2,500 institutional clients benefit from GFI’s know-how and experience in operating electronic and hybrid markets for cash and derivative products across multiple asset classes, including fixed income, interest rates, foreign exchange, equities, and energy and commodities.