Asset Class Navigation

Henry Hub Natural Gas Futures Contract Specs

Contract Unit 10,000 million British thermal units (mmBtu).
Price Quotation U.S. dollars and cents per mmBtu.
Trading Hours CME Globex: Sunday - Friday 6:00 p.m. - 5:15 p.m. New York time/ET (5:00 p.m. - 4:15 p.m. Chicago Time/CT) with a 45-minute break each day beginning at 5:15 p.m. (4:15 p.m. CT)
Open Outcry: Monday - Friday 9:00 a.m. - 2:30 p.m. New York time/ET (8:00 a.m. - 1:30 p.m. Chicago Time/CT)
CME ClearPort: Sunday - Friday 6:00 p.m. - 5:15 p.m. New York time/ET (5:00 p.m. - 4:15 p.m. Chicago Time/CT) with a 45-minute break each day beginning at 5:15 p.m. (4:15 p.m. CT)
Minimum Price Fluctuation $0.001 per MMBtu
Product Code CME Globex: NG
CME ClearPort: NG
Open Outcry: NG
Clearing: NG
TAS: NGT
Listed Contracts CME Globex 118 consecutive months
CME Clearport and Open Outcry The current year plus the next 12 years
DEFAULT The current year plus the next twelve calendar years. A new calendar year will be added following the termination of trading in the December contract of the current year.
Settlement Method Deliverable
Termination Of Trading Trading of any delivery month shall cease three (3) business days prior to the first day of the delivery month. In the event that the official Exchange holiday schedule changes subsequent to the listing of a Natural Gas futures, the originally listed expiration date shall remain in effect. In the event that the originally listed expiration day is declared a holiday, expiration will move to the business day immediately prior.
Trade At Marker Or Trade At Settlement Rules Trading at settlement is available for spot (except on the last trading day), 2nd, 3rd and 4th months and subject to the existing TAS rules. Trading in all TAS products will cease daily at 2:30 PM Eastern Time. The TAS products will trade off of a "Base Price" of 0 to create a differential (plus or minus 10 ticks) versus settlement in the underlying product on a 1 to 1 basis. A trade done at the Base Price of 0 will correspond to a "traditional" TAS trade which will clear exactly at the final settlement price of the day.
Settlement Procedures Natural Gas Futures Settlement Procedures
Position Limits NYMEX Position Limits
Exchange Rulebook NYMEX 220
Block Minimum Block Minimum Thresholds
Price Limit Or Circuit Initial Price Fluctuation Limits for All Contract Months. At the commencement of each trading day, there shall be price fluctuation limits in effect for each contract month of this futures contract of $1.50 per MMBtu above or below the previous day's settlement price for such contract month. If a market for any of the first three (3) contract months is bid or offered at the upper or lower price fluctuation limit, as applicable, on Globex it will be considered a Triggering Event which will halt trading for a five (5) minute period in all contract months of the NG futures contract, as well as all contract months in all products cited in the Associated Product Appendix of rule 220.08. Trading in any option related to this contract or in an option contract related to any products cited in the Associated Product Appendix which may be available for trading on either Globex or on the Trading Floor shall additionally be subject to a coordinated trading halt.
Vendor Codes Quote Vendor Symbols Listing
Grade And Quality Natural Gas meeting the specifications set forth in the FERC-approved tariff of Sabine Pipe Line Company as then in effect at the time of delivery shall be deliverable in satisfaction of futures
contract delivery obligations.

About Natural Gas

Henry Hub Natural Gas (NG) Futures allow market participants significant hedging activity to manage risk in the highly volatile natural gas price, which is driven by weather-related demand. They also provide efficient transactions in and out of positions. Natural gas futures are:

  • The third-largest physical commodity futures contract in the world by volume
  • Widely used as a national benchmark price for natural gas, which continues to grow as a global and U.S. energy source
  • An independent, stand-alone commodity

Things to know about the contracts:

  • Natural gas futures prices are based on delivery at the Henry Hub in Louisiana.
  • Traded via open outcry, electronically on CME Globex and off-exchange for clearing only as an EFS, EFP or block trade through CME ClearPort.
  • Options types include American, calendar spread, European and daily.

Read more about Henry Hub Natural Gas (NG) Futures