LNG Japan/Korea Marker (Platts)

Futures and Options
Globex Code
JKMJ5
Last
-
Change
-
Volume
-
Last Updated13 Mar 2025 05:34:48 AM CT.
Market data is delayed by at least 10 minutes

LNG Japan/Korea Marker (Platts) Futures - Contract Specs

Contract Unit
10,000 MMBtu
Price Quotation
U.S. dollars and cents per MMBtu
Trading Hours
CME Globex:
Sunday - Friday 5:00 p.m. - 4:00 p.m. CT with a 60-minute break each day beginning at 4:00 p.m. CT
CME ClearPort:
Sunday 5:00 p.m. - Friday 4:00 p.m. CT with no reporting Monday - Thursday from 4:00 p.m. – 5:00 p.m. CT
Minimum Price Fluctuation
0.005 per MMBtu = $50.00
Product Code
CME Globex: JKM
CME ClearPort: JKM
Clearing: JKM
Listed Contracts
Monthly contracts listed for the current year and the next 5 calendar years. List monthly contracts for a new calendar year following the termination of trading in the December contract of the current year.
Settlement Method
Financially Settled
Floating Price
The ‘Settlement Period’ for a specified contract month shall be the one month 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 15th calendar day of the month prior to the contract month.

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 followingExchange 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.
Termination of Trading
Trading terminates on the last weekday in the Settlement Period (16th day of the month, two months prior to the contract month thru the 15th day of the month prior to the contract month). If this is not a business day, trading terminates on the prior business day.
Position Limits
Exchange Rulebook
Block Minimum
Vendor Codes

CME Group is the world’s leading derivatives marketplace. The company is comprised of four Designated Contract Markets (DCMs). 
Further information on each exchange's rules and product listings can be found by clicking on the links to CME, CBOT, NYMEX and COMEX.

© 2025 CME Group Inc. All rights reserved.