As of mid-2026, the global oil market continues to feel the effects of earlier geopolitical disruptions, particularly those involving the Strait of Hormuz. However, forecasts from major agencies like the International Energy Agency (IEA) and the U.S. Energy Information Administration (EIA) point to a shift toward oversupply in the latter part of the year, assuming relative stability in production and trade flows.
Earlier in 2026, conflicts led to significant supply shortfalls and inventory draws. Global oil stocks declined sharply, with preliminary data showing average draws of around 3.8 mb/d since the start of major disruptions. Demand also suffered, hitting lows in Q2 with year-on-year drops of up to 5 mb/d in some periods due to higher prices and product availability issues.
Recent partial recovery in flows through key routes has begun to ease tightness. The IEA's latest July 2026 Oil Market Report notes a sharp rebound in global supply in June, though output remains well below pre-conflict levels.
The key turning point is the expected normalization of Middle East production and exports. If transit improves, the market balance shifts from deficit to surplus toward the end of 2026. The EIA similarly anticipates inventory builds averaging 2.7 mb/d in Q4 2026, signaling oversupply as supply outpaces consumption.
Analysts expect a modest to significant surplus emerging in late 2026, potentially in the range of 1-3+ million barrels per day (mb/d) on a quarterly basis by Q4, depending on the pace of recovery. This builds on earlier pre-conflict projections of larger gluts (up to 3-4 mb/d in some 2025-2026 outlooks), tempered by this year's events.
Cumulative effects could lead to noticeable inventory rebuilding by December 2026 and into 2027, where surpluses are projected to grow even larger (with supply potentially surging by 7.5-8 mb/d in 2027 scenarios). Exact "excess" volumes depend on variables like:
This oversupply is expected to exert downward pressure on prices, with Brent potentially trending toward $65-70/b by late 2026 in base cases, assuming no major new escalations.
Downside risks to the surplus include renewed hostilities or slower-than-expected recovery, which could maintain tightness. Upside risks for surplus (and lower prices) include faster non-OPEC growth or weaker global demand if economic headwinds persist.
In summary, by the end of 2026, the world is likely to see a return to oil market surplus conditions after a volatile year. This could mean excess supply in the low millions of barrels per day, enabling stock rebuilds but challenging producers amid softer prices. Markets will closely watch geopolitical developments and seasonal demand trends in the coming months for confirmation.
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