Asset Class Navigation

LNG Japan/Korea Marker (Platts) Front Half Month Futures Contract Specs

Contract Unit 10,000 MMBtu
Price Quotation U.S. Dollars and Cents per MMBtu
Trading Hours Sunday - Friday 5:00 p.m. - 4:00 p.m. (6:00 p.m. - 5:00 p.m. ET) with a 60-minute break each day beginning at 4:00 p.m. (5:00 p.m. ET)
Minimum Price Fluctuation 0.005 per MMBtu = $50.00
Product Code CME Globex: JKF
CME ClearPort: JKF
Clearing: JKF
Listed Contracts Monthly contracts listed for the current year and the next 2 calendar years. Monthly contracts for a new calendar year will be added following the termination of trading in the December contract of the current year.
Settlement Method Financially Settled
Floating Price Daily spot Asian LNG assessment.

The Floating Price shall be determined following the publication of the DES Japan/Korea daily LNG marker (JKM) by Platts on the last publication day in the Settlement Period. If such day is not an Exchange business day, the Floating Price shall be determined on the following Exchange business day.

The Floating Price for each contract month is equal to the arithmetic average of the DES Japan/Korea Marker (JKM) published in respect of the contract month by Platts in LNG Daily for each day that it is published during the Settlement Period.

The ‘Settlement Period’ for a specified contract month shall be the period that starts on, and includes, the 16th calendar day of the month that is two months prior to the contract month, and ends on, and includes the last calendar day of the month that is two months prior to the contract month.
Termination Of Trading Trading terminates on the last calendar day of the month that is two months prior to the contract month. If this is not a business day, the preceding business day.
Position Limits NYMEX Position Limits
Exchange Rulebook NYMEX 875
Block Minimum Block Minimum Thresholds
Vendor Codes Quote Vendor Symbols Listing