Thomson Reuters/CoreCommodity CRB Index is calculated using arithmetic average of commodity futures prices with monthly rebalancing. The index consists of 19 commodities: Aluminum, Cocoa, Coffee, Copper, Corn, Cotton, Crude Oil, Gold, Heating Oil, Lean Hogs, Live Cattle, Natural Gas, Nickel, Orange Juice, RBOB Gasoline, Silver, Soybeans, Sugar and Wheat. Those commodities are sorted into 4 groups, with different weightings: Energy: 39%, Agriculture: 41%, Precious Metals: 7%, Base/Industrial Metals: 13%. This page includes a chart with historical data for CRB Commodity Index. CRB Commodity Index - actual data, historical chart and calendar of releases - was last updated on June of 2018.