In commodity market terminology, Henry Hub refers to a pricing point for natural gas futures on the New York Mercantile Exchange or NYMEX that relates to a particular spot on the natural gas pipeline located in Erath, Louisiana and owned by Sabine Pipe Line, LLC. The important hub connects four intrastate and nine interstate pipelines within the Southern United States.
Henry Hub Natural Gas spot and futures contracts trade on the NYMEX under the symbol NG. The futures contract unit is 10,000 million British thermal units and prices are quoted in U.S. Dollars.