Foreign exchange futures: euro, pound, yen, Australian dollar, Canadian dollar, Hong Kong dollar, etc.
Treasury futures: including US 5-year, 10-year and 30-year treasury bonds. Metal futures: precious metal futures such as copper, aluminum, lead, zinc, tin, nickel, gold and silver.
Agricultural products futures: soybeans, corn, wheat, cocoa, coffee, cotton, etc.
Energy futures: crude oil, natural gas and so on.