Tennessee 800 Leg Natural Gas (Platts IFERC) Basis Futures are traded on the Chicago Mercantile Exchange. Each contract is for 2,500 MMBtu.
Tennessee 800 Leg Natural Gas (Platts IFERC) Basis Futures contracts exist for the months of April (J), May (K), September (U), October (V) and November (X).
Click on any price shown on this page to see a time series of the underlying data, along with options for graphing, downloading and validating the data.
Historical continuous contract data is available from n.a. to n.a..
Quandl's explanatory page About Futures Contracts.