All goods that are subject to trade called commodities. Because commodities especially used in manufacturing, they have important strategic information about a country or global economy. Commodities subjet to trade such as gold, oil, copper and platinum also used for raw and intermediate materials. Commodity prices can provide information about the general economic trend. İncreasing the volume of production in the global economy of the formation of expectations for the future can be determined by the course of commodity prices. For example, demand for gold is often formed due to policies carried out by the central banks to set up reserves. Because this condition determines the cost of production, it is also effects the global outlook.