The main varieties are listed exchange commodity futures agricultural products corn, soybean, wheat, soybean meal Chicago Board of Trade forest products wood Chicago Board of Trade economic crops cotton, sugar, coffee, cocoa, natural rubber New York Board of Trade livestock products pigs, live cattle Chicago Board of Trade non-ferrous metals gold, silver, palladium the New York Mercantile Exchange copper, aluminum, lead, zinc London Metal Exchange energy oil, natural gas the New York Mercantile Exchange financial futures foreign exchange pound, mark, yen, Swiss franc, Chicago Mercantile Exchange interest rate, American long-term treasury bonds, ten-year treasury bonds, Chicago Board of Trade stock index, Standard & Poor's 500 index, Chicago Mercantile Exchange.