Mayank Bansal, CFA
Mayank Bansal is a CFA Charterholder and heads the Equity Research team at Kapitales Research, with over 5 years of experience analysing global equity markets. He leads fundamental, data-driven research combining rigorous financial analysis with macro trends.
OPEC Data Reveals Global Oil Inventories Have Fallen Sharply Since February Peak
Highlights:
Global inventories retreat from peak
Oil inventories have retreated from their 2026 peak, but OPEC’s latest figures show the drawdown has been concentrated in particular regions and storage categories. Its Monthly Oil Market Report, published on 11 November, said global stocks peaked at 8.58 billion barrels in February and stood at 8.043 billion barrels at the end of September.
The 537 million-barrel decline followed supply disruptions during the year. Non-OECD inventories accounted for 294 million barrels of the reduction, while OECD Strategic Petroleum Reserves (SPRs) fell by 218 million barrels.
OECD commercial inventories moved less sharply. They were 24 million barrels below February’s level in September, at 2.811 billion barrels. The total fell 14.6 million barrels from August, as product stocks dropped 14.7 million barrels and crude inventories rose slightly by 0.1 million barrels. Even after the monthly draw, commercial stocks remained 4.5 million barrels above the latest five-year average.
Emergency releases contributed to the draw
An International Energy Agency-coordinated release, announced at 426 million barrels, began in March. Actual OECD reserve reductions through September totalled 218 million barrels: 133 million in the United States, 79 million in OECD Asia Pacific and six million in OECD Europe. OPEC said Europe’s action largely involved easing mandatory industry stockholding requirements, making supplies available without necessarily producing physical stock draws.
What the inventory shift means?
The headline decline does not indicate equal scarcity across markets. OECD commercial crude stocks were broadly steady from February, while oil held at sea had returned to its February level by September. Non-OECD inventories and government reserves accounted for most of the change.
September is the latest month covered, so the data are not a real-time gauge. Still, they show why the composition and location of inventories matter alongside the global total. Persistent supply interruptions or stronger demand could make the smaller reserve cushion more consequential. Further stock changes will help clarify how much flexibility remains in the oil market.
Note- All data presented is based on information available at the time of writing.
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