UnderlyingStreamCommodityBase <41964> field
FIX 5.0 SP2 EP272
Specifies the general base type of the commodity traded. Where possible, this should follow the naming convention used in the 2005 ISDA Commodity Definitions.
Examples of general commodity base types include:Metal, Bullion, Oil, Natural Gas, Coal, Electricity, Inter-Energy, Grains, Oils Seeds, Dairy, Livestock, Forestry, Softs, Weather, Emissions.