The International Energy Agency says the oil market is showing “tentative signs of rebalancing, with global oil supplies surpassing demand for the first time since the outbreak of the war in Iran”, in its November Oil Market Report published on 13 November.
The IEA says observed oil inventories rose by 52 million barrels, or 1.7 million barrels a day, in October, the first increase since June, and that North Sea Dated crude fell 32%, from $136 a barrel on 8 October to about $93. It forecasts 2027 supply of 108.1 mb/d; with its 2026 demand forecast of 102.3 mb/d plus a 2 mb/d rebound, 2027 demand comes to about 104.3 mb/d, a gap of about 3.8 mb/d by our arithmetic.
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The key insight: As we read the report, the turn comes from supply, not demand: the IEA says October supply rose 2.3 mb/d on recovering Gulf exports while it forecasts 2026 demand down 2.7 mb/d, and inventories rose 52 million barrels for the first time since June.
Global oil supply rose by 2.3 mb/d to 105.4 mb/d in October, after an increase of 3 mb/d in September, the agency says, lifting output by what it calls “an extraordinary 5.3 mb/d since August”.
The IEA says Gulf oil exports, excluding Oman, reached 18.4 mb/d last month, 26% below pre-war levels, despite continued attacks on tankers. It says crude flows rose to 15 mb/d, equivalent to 82% of pre-war levels in October.
The agency says it raised its fourth-quarter 2026 supply estimate by 3.3 mb/d, while 2027 has been lowered due to constrained Iranian shipments.
World oil supply and demand as annual averages from the IEA’s November 2026 Oil Market Report; 2026 supply, 2027 demand and both gaps are our arithmetic from the agency’s forecasts.
Demand, Stocks and Prices
The IEA forecasts world oil demand to fall by 2.7 mb/d in 2026, to 102.3 mb/d, before rebounding by 2 mb/d in 2027. It says transport fuels will see very modest gains, “as high prices accelerate electrification and fuel efficiencies across the global car fleet”.
The agency says oil on water surged by 86 million barrels to its highest level since January, while on-land stocks remain at their lowest level since at least 2016. It says observed global stocks have fallen by a cumulative 462 million barrels since the start of the war.
Diesel prices fell by 11% in Europe but, at close to $180 a barrel, remained 77% above pre-war levels, the IEA says, and Dated crude remained $22 a barrel above pre-war levels.
As we read the IEA figures, the rebalancing is partial: Gulf exports were still 26% below pre-war levels in October and on-land stocks are at their lowest since at least 2016, the agency says.
As we read the forecasts, the 2027 gap of about 3.8 mb/d by our arithmetic rests on supply rebounding 6.6 mb/d, a figure the IEA says it has already lowered for constrained Iranian shipments.
IEA Oil Market Report, 13 November 2026
“tentative signs of rebalancing, with global oil supplies surpassing demand for the first time since the outbreak of the war in Iran”
Three Implications
FOR FUEL PRICES The IEA says diesel in Europe, at close to $180 a barrel, remained 77% above pre-war levels even after falling 11%.
FOR INVENTORIES The agency says observed global stocks have fallen by a cumulative 462 million barrels since the start of the war.
FOR 2027 The IEA forecasts supply rebounding by 6.6 mb/d to 108.1 mb/d and demand rebounding by 2 mb/d.
The framework says the supercycle “describes the intersection of three powerful forces: geopolitics, cultural transformation, and economic change.”
As we read it, the IEA report tracks how a war moved an economic market; the framework does not discuss the IEA report or oil.
What Is Not Established
The 3.8 mb/d gap is our subtraction of the IEA’s 2027 demand forecast from its 2027 supply forecast, not a figure the agency states. The report does not say how long the October inventory build will last, and the agency calls the rebalancing tentative.
The figures are the IEA’s own forecasts and estimates. The IEA was not contacted for this piece. The post that flagged the report is on X.
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The IEA says global oil supply has surpassed demand for the first time since the war in Iran began, with October inventories up 52 million barrels and Dated crude down 32% from its 8 October high, while its 2027 forecasts put supply about 3.8 mb/d above demand by our arithmetic.
A note on sourcing. All figures come from the International Energy Agency’s Oil Market Report of 13 November 2026, highlights and overview, read in full on 14 November. The 2027 demand total and the 3.8 mb/d gap are our arithmetic from the agency’s forecasts. The IEA was not contacted for this piece.
Gennaro Cuofano is a CRO and tech executive who has worked in AI since late 2015, starting with bringing NLP, natural-language generation, voice and chatbot products to the marketing industry. His background is in law and finance: he holds a Master's degree in Law and an International MBA with an emphasis on corporate finance (LUISS Business School and the University of San Diego, 2012), and worked as a financial analyst at a real-estate investment firm in San Diego and as an assistant controller. His work focuses on business model strategy, business engineering and, more broadly, structural analysis: how companies make money, read from their own filings. He created FourWeekMBA and leads research there and at The Business Engineer, his newsletter on AI and business strategy, with over 95,000 subscribers and more than 1,000 published analyses. His writing has also appeared on Entrepreneur (for example, How to Digitize a Family Business in Europe) and HackerNoon. Find him on LinkedIn and Substack. See how we source.
