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JPMorgan Can’t Model the Iran War Endgame—Why Oil Markets Are Still on Edge
JPMorgan says it no longer has a baseline view for the Iran conflict’s endgame, meaning oil prices cannot be treated as a normal supply and demand forecast. The key risk is no longer only the Strait of Hormuz: disruption to Saudi Arabia’s East West pipeline removes a major alternative export route, while insecurity...
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Key takeaways
- JPMorgan says it no longer has a baseline view for the Iran conflict’s endgame, meaning oil prices cannot be treated as a normal supply and demand forecast.
- The key risk is no longer only the Strait of Hormuz: disruption to Saudi Arabia’s East West pipeline removes a major alternative export route, while insecurity around Bab el Mandeb can further constrain shipping.
- Higher energy prices complicate monetary policy. The Bank of England has held Bank Rate at 3.75%, but policymakers have warned that a prolonged energy shock could require tighter policy if inflation becomes more persi...
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openai.comCreate a landscape editorial hero image for this Studio Global article: What does JPMorgan’s acknowledgment that the trajectory of the more-than-six-month-old U.S.-Israel war against Iran has made oil prices near. Article summary: JPMorgan’s admission is essentially a warning that oil is no longer governed mainly by normal supply-and-demand assumptions: it is being priced against an unknowable political and military endgame. The conflict appears t. Topic tags: general, general web, news. Style: premium digital editorial illustration, source-backed research mood, clean composition, high detail, modern web publication hero. Use reference image context only for broad subject, composition, and topical grounding; do not copy the exact image. Avoid: logos, brand marks, copyrighted characters, real person likenesses, fake screenshots, UI text, readable text, watermarks, charts with fake numbers
JPMorgan’s decision to abandon a baseline forecast for the Iran war is a blunt signal: the oil market is being driven by an uncertain political and military outcome rather than by a knowable timetable for restored supply. The bank had expected economic pressure to help force an agreement to reopen the Strait of Hormuz; instead, the conflict has persisted beyond the red lines it assumed would constrain policymakers. 2
What JPMorgan’s “no baseline view” means
A baseline forecast normally gives traders, businesses and central banks a central case for supply, demand and prices. JPMorgan’s commodities team says it no longer has one for the conflict’s endgame. That does not mean every price outcome is equally likely. It means the variables that matter most—shipping access, damage to infrastructure, proxy activity and the timing of any settlement—cannot be reliably placed on a single path. 2
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This is why a political promise of a quick end to the conflict is not, by itself, a usable oil-market forecast. A durable price decline would require evidence that tankers can move safely, export routes are operating, production can return, insurers will cover shipments and attacks on energy infrastructure and shipping have stopped. Those operational conditions matter as much as a ceasefire announcement.
The oil shock is becoming a supply-and-logistics problem
The International Energy Agency’s September outlook points to a prolonged shortage rather than a brief disruption. It expects global oil supply to average 100.7 million barrels per day in 2026, down 5.7 million b/d from 2025, and says the recovery of normal Gulf flows has slipped into 2027. The agency also reported a 3.1 million b/d decline in global inventories during August, reducing the cushion available to absorb further outages. 17
Brent had moved above $100 a barrel earlier in the conflict, and JPMorgan’s research has described substantial tail risks when Gulf exports are impaired. 14 But elevated benchmark prices tell only part of the story. Physical crude availability, tanker routing, refinery feedstocks and diesel supply can all tighten in different places and at different times.
Saudi Arabia’s East-West pipeline is a critical escalation point
The attack on Saudi Arabia’s East-West pipeline is especially important because the line had become a key workaround for oil unable to use Gulf shipping routes. Reuters-style market analysis is less useful here than the core logistical point: losing an alternative route can turn a shipping disruption into a wider export constraint.
Reports on the outage put roughly 4 million b/d, or about 4% of global supply, at risk. They also describe the pipeline as a route used to move Saudi oil to the Red Sea port of Yanbu, bypassing the Strait of Hormuz. 23 If that capacity remains unavailable, the market has fewer options for redirecting barrels when Gulf transit is constrained.
Why other disruptions matter even when they are smaller
Oil markets do not respond only to the headline volume of lost production. They also respond to whether crude can reach the right refinery, whether refined fuels can be shipped to consumers and whether alternate routes remain open.
The IEA has said that the lack of an agreement for unhindered transit through both Hormuz and the Bab el-Mandeb Strait forced it to lower its supply estimates. 32 Continued threats around Bab el-Mandeb can lengthen voyages and disrupt Red Sea traffic. Meanwhile, refinery disruptions or outages elsewhere can tighten products such as diesel even if global crude remains available. The result is a market with less flexibility: barrels, ships, routes and refining capacity are not perfectly interchangeable.
Inflation: why central banks cannot ignore oil
Oil affects household fuel bills, but diesel and other energy products also feed into freight, food distribution, manufacturing and heating. That raises the risk that an initial energy shock spreads into broader prices while higher costs simultaneously weaken activity—a difficult mix for central banks.
For the UK, the Bank of England has kept Bank Rate at 3.75% while weighing inflation risk against soft growth. In July, the Monetary Policy Committee voted 6–3 to hold, with three members preferring a rise to 4%. The Bank said it needed clearer evidence of the war’s effect on inflation, while Governor Andrew Bailey said the Bank was not necessarily moving toward a hike. 35
The range of possible outcomes remains unusually wide. In April, the Bank warned that a severe, sustained oil-price shock could push inflation above 6% in early 2027 and require forceful rate increases, while less damaging scenarios might not require a rise at all. 37 That uncertainty is exactly why an unstable energy market can delay expected rate cuts even before it produces an actual rate increase.
Why older oil forecasts no longer settle the debate
JPMorgan’s July outlook projected Brent to average $86 a barrel in the third quarter of 2026, $80 in the fourth quarter and $78 by year-end. That forecast was based on a market rebalancing through weaker demand and smaller inventory draws, alongside an expectation of limited long-term damage to Gulf production. 7
Its later admission that it cannot model the conflict’s endgame does not prove those price targets are impossible. It does show that the assumptions beneath a point forecast are vulnerable to events that are not conventional market inputs: a shipping choke point staying constrained, a major bypass pipeline going offline, or a new attack changing the security environment.
What would indicate a genuine easing in oil risk?
A lower price after a diplomatic headline would not necessarily mean the physical market has normalized. A more convincing de-escalation would involve several developments at once:
- sustained and insurable shipping through the region’s key waterways;
- restored operation of export infrastructure, including alternative Saudi routes;
- recovering Gulf production and exports;
- rebuilding commercial inventories; and
- a sustained reduction in attacks that threaten shipping or energy facilities.
The central lesson from JPMorgan’s warning is not that oil must keep rising. The bank has also outlined scenarios in which a prolonged conflict produces lower average prices than current levels, and a post-conflict recovery could bring prices down further. 6 The point is that the route to either outcome remains unclear. Until physical flows and security conditions stabilize, the energy market is likely to retain a volatile geopolitical premium—and central banks will have to manage inflation risk without a dependable end-date for the shock.
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JPMorgan says it no longer has a baseline view for the Iran conflict’s endgame, meaning oil prices cannot be treated as a normal supply and demand forecast.
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JPMorgan says it no longer has a baseline view for the Iran conflict’s endgame, meaning oil prices cannot be treated as a normal supply and demand forecast. The key risk is no longer only the Strait of Hormuz: disruption to Saudi Arabia’s East West pipeline removes a major alternative export route, while insecurity around Bab el Mandeb can further constrain shipping.
What should I do next in practice?
Higher energy prices complicate monetary policy. The Bank of England has held Bank Rate at 3.75%, but policymakers have warned that a prolonged energy shock could require tighter policy if inflation becomes more persi...
Sources
cnbc.comJPMorgan oil team gives up on forecasting Iran war endgame as Trump blows past economic redlines
finance.yahoo.comSix months in, Iran war leaves energy markets without clarity: 'We simply don't know how to model the endgame'
reuters.comIEA warns 2026 oil supply gap will widen on delayed ... - Reuters
jpmorgan.comUS–Israel Military Operation Against Iran: Are Markets on ...