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Iran Conflict 2026
20APR

Brent hits $111.16, a new post-war high

4 min read
10:10UTC

London Brent settled $111.16 a barrel on 28 April, up 2.71% in a session, as the UAE OPEC announcement and the absence of any signed US ceasefire text both fed the same trade.

ConflictDeveloping
Key takeaway

Brent crude printed $111.16, a 75.67% year-on-year gain, on the same Tuesday the UAE announced OPEC exit.

Brent Crude settled at $111.16/bbl on 28 April 2026 in London, up 2.71% in a single session from $108.11 on 27 April . The contract printed a new post-war high inside the same trading session that produced the United Arab Emirates OPEC exit announcement and the third Truth Social post from Donald Trump asserting Iran had told him it was collapsing. Axios found no Iranian confirmation and no accompanying State Department readout.

Brent Crude is the North Sea benchmark used to price roughly two-thirds of the world's oil contracts. The 28 April rally bundled two catalysts: the UAE exit removed a moderating voice on bloc production cuts at the moment CENTCOM's blockade was logging 37 vessels redirected , and the Pakistan-brokered ceasefire text arrived in Washington with no signed US response. Fortune reported the Brent settlement and confirmed US average gasoline at $4.18/gallon, the highest since the war began on 28 February. The year-on-year gain on Brent stands at 75.67%, a war premium that translates to roughly $1.80 more per US gallon than American drivers paid a year ago, or an extra $25 to $30 per fill on a typical 50-litre tank.

Markets priced the policy vacuum, not the diplomatic activity. Day 60 closes against an unbroken zero-instrument record ; the price arc since Day 17, which closed at $100.21 Brent and $3.79 US gasoline, has run alongside that empty signing column. The barrels that would normally cap a war-driven price rally remain trapped behind a closed Hormuz, while Abu Dhabi's stranded barrels sit outside the bloc's quota framework after Friday. Even a ceasefire text signed before the War Powers Resolution clock expires this Friday would not by itself unlock the barrels: the structural premium needs Hormuz transits restored and an OPEC+ quota framework that, after Friday, no longer includes Abu Dhabi.

European drivers face a similar premium; airlines are repricing fuel-surcharge bands across the Atlantic and The Gulf. The London close at $111.16 will set every Asian opening through 1 May.

Deep Analysis

In plain English

When the price of oil rises sharply, everything that needs energy to make or move it gets more expensive: petrol, diesel, jet fuel, heating oil, and then, with a delay, food and manufactured goods. On 28 April oil hit $111.16 per barrel, the highest since this war started. Two things happened on the same day: the UAE announced it was quitting the OPEC oil producers' club, and there was still no signed agreement to end the war or reopen the Strait of Hormuz. Traders pushed prices up sharply because both signals pointed to continued supply disruption.

Deep Analysis
Root Causes

Two structural conditions underpin Brent's persistent elevation above $100 since the war began on 28 February. First, the Hormuz blockade has removed roughly 18-19 mb/d of potential throughput from global markets on a daily basis, even after shadow-fleet rerouting offsets approximately 1.2 mb/d of Iranian crude to Chinese refiners.

Second, OPEC+ production discipline had been eroding since mid-2025 as member states including Iraq and Kazakhstan consistently exceeded quotas; the UAE exit on 28 April removes the most quota-compliant Gulf producer and signals the discipline mechanism may be terminally compromised.

Goldman Sachs estimated a pre-war structural supply deficit of $12-15/bbl entering 2026, driven by underinvestment in upstream capacity during 2020-23. The war layered a $35+/bbl geopolitical risk premium on top of that pre-existing deficit, producing a compound price level that will not fully unwind even if Hormuz reopens.

What could happen next?
  • Risk

    If Brent holds above $110 through May OPEC ministerial discussions, Gulf state revenue projections diverge sharply between Saudi Arabia (benefiting from higher prices but facing cartel fragmentation) and UAE (maximising volume without a price floor), setting up a post-war oil-market structure with no dominant institutional anchor.

  • Consequence

    US gasoline at $4.18/gallon, combined with broader inflation, creates electoral pressure on the Trump administration to release Strategic Petroleum Reserve volumes or negotiate a faster Hormuz reopening, both of which carry diplomatic costs.

First Reported In

Update #83 · UAE quits OPEC, war signs nothing

Fortune· 29 Apr 2026
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Causes and effects
This Event
Brent hits $111.16, a new post-war high
Brent's year-on-year gain stands at 75.67%, the largest war premium since the 1990 Gulf invasion. US average gasoline at $4.18/gallon is the highest since the war began on 28 February, and the UAE's exit removes the mechanism that has historically capped post-war price rallies. The premium will outlast a ceasefire if one lands.
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