Lean Hog
Lean Hog is a type of hog (pork) that can be easily traded in mercantile and option exchanges. This type of hog is the source of the majority of the pork meat in the US.
Lean Hog futures and options are traded on the Chicago Mercantile Exchange (CME). The contracts are for 40,000 pounds of Lean Hogs, and call for cash settlement based on the lean hog index. The lean hog index is a two-day weighted average of cash markets.