It included barley and flaxseed from the Winnipeg exchange; cocoa, coffee "B", copper, cotton, cottonseed oil, grease wool, hides, lead, potatoes, rubber, sugar #4, sugar #6, wool tops and zinc from New York exchanges; and corn, eggs, lard, oats, onions, rye, soybeans, soybean meal, soybean oil and wheat from Chicago exchanges.
In order to ensure that it continued to fulfill that role, its components and formula have been periodically adjusted to reflect changes in market structure and activity.
All of these changes have been part of the continuing effort of LSEG to ensure that its value provides accurate representation of broad commodity price trends.
It currently is made up of 19 commodities as quoted on the NYMEX, CBOT, LME, CME and COMEX exchanges.
These groups are: The index comprises 19 commodities: aluminum, cocoa, coffee, copper, corn, cotton, crude oil, gold, heating oil, Lean Hogs, live cattle, natural gas, nickel, orange juice, silver, soybeans, sugar, unleaded gas and wheat.