In commodity market terminology, Dry Whey refers to the Dry Whey futures contracts traded on the GLOBEX and ClearPort electronic trading platform of the Chicago Mercantile Exchange. Dry Whey is the dried watery part or serum of milk that is left over after the manufacture of cheese.
Dry Whey futures contracts are traded in all months and are for 44,000 pounds (20 Metric tons) of Dry Whey. The contracts are quoted in U.S. Dollars and cents for cash settlement and the last trading day is on the business day immediately preceding the day on which the USDA announces the Dry Whey price for that contract month. The futures are traded under the symbol DY and the minimum fluctuation is $11.00 per contract.