Weekly release from the USDA regarding pricing of the following dairy commodities: butter, cheese, dry whey, and nonfat dry milk.
Weekly release from the USDA, Dairy Market News regarding pricing of the following dry dairy commodities: nonfat dry milk, buttermilk powder, whey powder, animal feed whey, lactose, whey protein concentrate, whole milk, and casein.
Twice a month, the GDT auction provides a price index for various dairy commodities.
Daily spot pricing for butter, cheddar blocks and barrels, and grade A nonfat dry milk. This website also provides futures settlement prices as well as other helpful links.