Futures prices for natural gas vary from day to day and are also based on the delivery date of the contract. Natural gas futures trade at the New York Mercantile Exchange. Futures prices listed on indexes and real time quotes use the unit dollars per million British thermal units.
The benchmark Henry Hub Natural Gas Futures index lists contract prices with delivery dates up to 12 years in the future. Natural gas futures prices assume gas delivery at the Henry Hub in Louisiana. The third-largest physical commodity futures market in the world, natural gas prices often face volatility due to variable consumer demand largely based on weather conditions.