They currently trade their portoflio in most of the US futures markets and some foreign ones.  The primary markets are the S&P, Gold, Silver Copper, Bonds, Notes, Cattle, Hogs, Soybeans, Corn, Wheat, Russell, Nasdaq, Dow, Yen, EC, Canadian Dollar, British Pound, Cotton, Coffee, Cocoa, Sugar, Crude, Natural Gas.  Non-US markets where ftures may be executed include the German DAX and Bunds.