 The firm's primary business is as an electronic market maker in a diverse group of assets including commodities, government debt, currencies, and interest rates.TMG has been a major player in the markets since its founding and pioneered bond futures basis arbitrage at the inception of the Chicago Board of Trade (CBOT) Treasury futures contracts.Ray Cahnman, Founder, Chairman (US Interest Rates Trading)

Ray Cahnman began his trading career at the Chicago Board of Trade in October 1975.