JKM Climbs to $24.88 as Japan Cooling Season Fades and Bearish Signals Stack Up
Asian spot LNG has more than doubled since November 2025 lows, but 28 unanimous bearish indicators and softening US gas prices press on the fourth-quarter outlook.
JKM spot LNG was priced at $24.88/MMBtu on Saturday (2026-09-12), more than double the low USD 11/MMBtu range where December delivery cargoes were changing hands during the week of November 3-7, 2025 (2025-11-03). The price has held near seasonal highs even as 28 market indicators now align unanimously on a bearish direction.3
EnergyRiskIQ data recorded JKM at $17.10/MMBtu in May (2026-05-19), with market sentiment reading neutral at that level. The rally from there traced Japan's cooling demand. Tullett Prebon's forward curves on July 23 (2026-07-23) showed the Tokyo baseload electricity contract for August at ¥24.65/kWh, up 8.1% from ¥22.80/kWh on July 17 (2026-07-17). The Kansai August baseload jumped 13.6% to ¥21.30, and Chubu rose 9% to ¥23.55. Three separate regional power markets moving sharply higher inside a week indicated the cooling demand signal was broad, not localised.5,6
Gas-fired generation is part of Japan's dispatch stack. When power prices spike that steeply, LNG-fired plants run harder and spot buyers emerge for prompt cargo delivery. That pull lifted JKM into its current range. But summer does not last.6
Japan's LNG inventories for power generation present a mixed near-term read. METI data released on June 14 (2026-06-14) showed stocks at 2.30 million tonnes as of June 11, down 0.08 million tonnes week-on-week but 0.16 million tonnes above year-ago levels. By late June, as of June 25 (2026-06-25), inventories had slipped to 2.23 million tonnes, with the weekly draw accelerating to 0.14 million tonnes. The year-on-year buffer was narrowing even before peak summer demand arrived.1,2
US gas prices add downward pressure to the outlook for Atlantic LNG flows. The EIA projected Henry Hub to average $3.80/MMBtu for 2026, itself a 13% cut from its previous month's projection, according to ChAI data. NYMEX Henry Hub front-month was at $2.83/MMBtu on Saturday (2026-09-12), well below even that reduced annual forecast. Cheap US gas does not preclude exports — marginal liquefaction units remain competitive at these levels — and through the Atlantic LNG arbitrage additional US supply can reach Asian buyers. More US cargoes heading east press directly on JKM spot.4
ChAI's commodity model puts the competing forces in plain relief. Technical data, including traders' positioning and price signals, contributes roughly $0.99/MMBtu of upward pressure on JKM. Supply data and inventories push the other way. The net sits close to neutral, which is what a price well above mid-year levels but facing unanimous bearish consensus signals tends to produce in practice.4
The global storage backdrop reinforces the cautious read. European underground gas storage reached 82.7% of capacity on November 7, 2025 (2025-11-07), per AGSI+ data, running 12.5% below year-ago levels and 9.2% below the five-year average — a position that was not pulling Atlantic LNG cargoes toward Europe and away from Asia. By June 30 (2026-06-30), EU storage had climbed to 77.3%, up from 75.5% a week earlier. US storage stood at 2,805 Bcf as of June 23 (2026-06-23), per the EIA weekly report, up 76 Bcf on the week and 25.3% above year-ago levels. Neither market is showing the tightness that would divert Atlantic cargoes westward and tighten Asian spot by reducing supply competition.3,2
METI's weekly LNG inventory releases are the sharpest near-term gauge for where JKM goes next. If the year-on-year inventory surplus continues to erode into the autumn restocking period, Japan's buyers carry less buffer against spot tightness and the current price has some fundamental support beneath it. If cooling demand drops sharply and restocking begins early, $24.88 has little to stand on — and a unanimous bearish consensus with 28 signals behind it tends to get the direction right, if not always the timing.3,1