Oil and gas commodity codes
Commodities symbols are created in three parts: the root symbol, the month code Cash contracts, when available, can be obtained by prefixing Y0 (zero) to the commodity code in place of the month HT, Singapore 380 Fuel Oil, Energies. (Source: Mexico's Oil and Gas Sector: Background, Reform Efforts, and Full goods description and Harmonized System Code (HS) - if shipment origin is a