$126 a barrel. 7.1% in a single morning. The International Energy Agency has just called this the biggest oil supply shock in history. If you fill up your car this week, you are paying for what happens in the Strait of Hormuz right now — and Donald Trump is reportedly being briefed today on fresh military operations against Iran. Oxford Economics warns Brent could hit $190 by August.
Why Brent surged to $126 this morning
Markets read the combination as a clear sign that the next escalation is closer than the last de-escalation.
The trigger was a single news flash: the head of US Central Command is set to brief Trump later today, in a meeting markets read as the prelude to a restart of combat operations. Brent immediately printed a fresh wartime high at $126, before settling slightly lower at $122.8. WTI followed, breaching $110.
The fragile ceasefire that has held since early April is now visibly cracking. Talks scheduled for the weekend in Pakistan failed to materialise after Trump cancelled his envoys’ trip. Central Command has separately requested hypersonic missiles be deployed to the Middle East — what would be the first operational use of those weapons by the US military. Markets read the combination as a clear sign that the next escalation is closer than the last de-escalation.
The Strait of Hormuz, the chokepoint through which roughly a fifth of the world’s oil flows, remains closed to tanker traffic. Iran has refused to reopen it. The US Navy blockade of Iranian ports is now into its second month with no exit ramp visible.
The blockade is now the strategy
Trump’s tone has hardened. In a Wednesday meeting with US oil executives, he discussed maintaining the blockade “for months if needed” — language the White House confirmed in a follow-up briefing. He bluntly told reporters: “The blockade is somewhat more effective than bombing. They are choking like a stuffed pig.”
That marks a notable strategic shift. The previous play was kinetic strikes followed by ceasefire diplomacy. The new play is economic warfare — choke Iranian oil exports until Tehran returns to the negotiating table on US terms. The US has also moved to seize two Iran-linked oil tankers, which would represent a further escalation if forfeiture proceedings succeed.
The economic logic is brutal but coherent. US officials are betting that the blockade forces Iran to cap its oil wells once storage runs out — a process that takes weeks, not months, and inflicts permanent damage on producing fields. The risk runs both ways: every additional week of blockade tightens global oil supply, and the price has nowhere to go but up.
Oxford Economics put a number on the downside risk: a sustained impasse could push Brent to a staggering $190 by August. Analysts have warned of a potential global recession if the blockade extends through the summer. The IEA’s “biggest supply shock in history” framing is not hyperbole — daily passages through the Strait of Hormuz have collapsed to near zero.
How this hits UK pockets
Every dollar on the Brent price feeds through to UK pump prices within days. At $126 a barrel sustained, UK petrol forecourts are looking at meaningfully higher prices through May on current refining margins. At Oxford’s $190 scenario, the maths gets ugly fast: prices that used to be worst-case quietly become the central forecast.
Energy bills are the second hit. Wholesale gas prices track oil with a short lag, and Ofgem’s autumn price cap review is now baking in a worse starting point than analysts modelled earlier this year.
The Bank of England rate path is the third hit. Every additional point of energy-driven inflation pushes the next cut further out. Markets that were pricing two cuts by December are now pricing one, with a non-trivial risk of a hike if the conflict escalates.
For UK households, the chain of consequence is direct: tanker doesn’t move → barrel goes up → forecourt goes up → bill goes up → rates stay higher → mortgage stays higher. Each step running in the same direction.
The Bottom Line
The IEA does not throw “biggest in history” around lightly. Pump prices are heading higher, energy bills are heading higher, and any UK rate cut you were counting on this summer is now meaningfully less likely. Watch the Hormuz tanker data — that is the leading indicator for everything else this quarter.
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FAQ
How high could Brent oil really go?
Oxford Economics has flagged $190 a barrel by August if the Hormuz impasse persists. That scenario would put oil prices well above pre-war levels and drag the global economy close to recession territory.
When will UK petrol prices reflect today’s spike?
Within days. Pump prices typically lag wholesale Brent by under a fortnight as forecourt operators work through existing inventory at older prices.
Will the Bank of England still cut rates this year?
Less likely than a month ago. Markets that were pricing two rate cuts by December are now pricing one, and a sustained $126 Brent could push the BoE to hold or even hike if energy-driven inflation breaks higher again.
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