As per Rulebooks NYMEX 796 and NYMEX 798, the Floating Price for each Tokyo Base-load (JBT) and Kansai Base-load (JBK) futures contract month is equal to the arithmetic average of JEPX Spot Market 30 minutes prices (0:00~24:00) for the corresponding area and for each calendar day during the contract month.
As per Rulebooks NYMEX 797 and NYMEX 798, the Floating Price for each Tokyo Peak-load (JPT) and Kansai Peak-load (JPK) futures contract month is equal to the arithmetic average of JEPX Spot Market 30 minutes prices (from 08:00 to 20:00) for the corresponding Area and for each week day (Mon-Fri) during the contract month not defined as Japanese national or bank holidays.
Japan bank holidays are fixed every year and set as December 31 to January 1 (included).
National holidays are set and amended by the Cabinet Office.
Contract Month |
Monthly Baseload |
Monthly Peakload |
|||
Contract Unit (MWh) |
# of Days |
Contract Unit (MWh) |
# of Weekdays |
Days Treated as non-weekdays |
|
| Jan-24 | 744 | 31 | 228 | 19 | January 1: New Year (Obs) January 2: Bank Holiday January 3: Bank Holiday January 8: Coming-of-age Day |
| Feb-24 | 696 | 29 | 228 | 19 | February 12: National Foundation Day (obs.) February 23: Emperor's Brithday |
| Mar-24 | 744 | 31 | 240 | 20 | Mach 20: Vernal Equinox Day |
| Apr-24 | 720 | 30 | 252 | 21 | April 29: Showa Day |
| May-24 | 744 | 31 | 252 | 21 | May 3: Constitution Day May 6: Children Day (obs.) |
| Jun-24 | 720 | 30 | 240 | 20 | |
| Jul-24 | 744 | 31 | 264 | 22 | July 15: Marine Day |
| Aug-24 | 744 | 31 | 252 | 21 | August 12: Mountain Day |
| Sep-24 | 720 | 30 | 228 | 19 | September 16: Respect-for-the-aged Day (obs.) September 23: Autumnal Equinox Day |
| Oct-24 | 744 | 31 | 264 | 22 | October 14: Sport Day |
| Nov-24 | 720 | 30 | 240 | 20 | November 4: Culture Day (obs.) |
| Dec-24 | 744 | 31 | 252 | 21 | December 31: Bank Holiday |
| Jan-25 | 744 | 31 | 228 | 19 | January 1: New Year January 2: Bank Holiday January 3: Bank Holiday January 13: Coming-of-age Day |
| Feb-25 | 672 | 28 | 216 | 18 | February 11: National Foundation Day February 24: Emperor's Brithday (obs.) |
| Mar-25 | 744 | 31 | 240 | 20 | Mach 20: Vernal Equinox Day |
| Apr-25 | 720 | 30 | 252 | 21 | April 29: Showa Day |
| May-25 | 744 | 31 | 240 | 20 | May 5: Children Day May 6: Greenery Day (obs.) |
| Jun-25 | 720 | 30 | 252 | 21 | |
| Jul-25 | 744 | 31 | 264 | 22 | July 21: Marine Day |
| Aug-25 | 744 | 31 | 240 | 20 | August 11: Mountain Day |
| Sep-25 | 720 | 30 | 240 | 20 | September 15: Respect-for-the-aged Day September 23: Autumnal Equinox Day |
| Oct-25 | 744 | 31 | 264 | 22 | October 13: Sport Day |
| Nov-25 | 720 | 30 | 216 | 18 | November 3: Culture Day November 24: Labor Thanksgiving Day (obs.) |
| Dec-25 | 744 | 31 | 264 | 22 | December 31: Bank Holiday |
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