28MAY

Brent settles at $123, new wartime high

4 min read

08:49UTC

Brent crude settled near $123 on Thursday 30 April, a new wartime settle high; the benchmark jumped $14.84 in two trading days as the UAE's announced exit from OPEC closes in on its formal 1 May effective date.

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Key takeaway

Brent settles at $123, the war's new settle high, as the UAE's OPEC exit goes operative tomorrow.

Brent Crude settled near $123 on Thursday 30 April, the new wartime settle high ¹. The benchmark jumped $14.84 in two trading days from $111.16 on Day 60 , touching $126 intraday and matching the 22 March wartime peak . The driver was the UAE's withdrawal from OPEC and OPEC+, announced on 28 April , taking formal effect Friday 1 May.

The UAE's 5 million barrels per day of capacity moves outside OPEC+ quota discipline tomorrow morning. That is roughly 5% of global oil supply leaving the coordinated production framework that has anchored crude since the cartel's 1960 founding ². The bloc has historically held by inertia rather than enforcement; its only material disciplinary instrument is bilateral pressure between Riyadh and Abu Dhabi. After the 29 December 2025 Saudi airstrike on an Emirati weapons convoy at Mukalla port in Yemen, the first kinetic exchange between nominal GCC (Gulf Cooperation Council) allies in the bloc's history, that channel is dead. The OPEC exit is not the rupture; it is the institutional formalisation of one that began with an airstrike four months ago. Markets are pricing the consequence ahead of the calendar.

The structural question for Friday's session is whether Saudi Arabia competes on volume or holds. A unilateral production lift would tank prices below the $87/bbl Saudi budget breakeven, which Riyadh has avoided since 2024. Holding lets the UAE eat its market share without the risk premium being priced out. Brent at $123 sits 87% above the $67.41 pre-war baseline; a UAE volume surge against a Saudi hold would price out the war premium fast, while a Saudi response would price out OPEC+ entirely. Either path produces a violent move; the first session on Friday is the price discovery.

For UK drivers the translation is roughly 35-40 pence above pre-war pump prices once refinery margins clear, with haulage, food and electricity bills following inside a fortnight. Xinhua and People's Daily running the UAE announcement above the fold reads as Beijing broadcasting a narrative in which Gulf cohesion has collapsed and Riyadh is exposed; Saudi state outlets burying the same story closed the loop from the other side. Aramco's cohesion thesis since the 2024 production-cut renegotiation has rested on the assumption that intra-Gulf disputes stay diplomatic. Mukalla broke that assumption in December; the OPEC exit prices it.

Deep Analysis

In plain English

OPEC is the cartel of oil-producing countries that agrees on how much oil each member is allowed to produce. When members follow the agreed limits, the supply of oil is controlled and prices tend to stay higher. The United Arab Emirates has just left OPEC, which means it can now produce as much oil as it wants without asking permission. The UAE produces about 5 million barrels of oil per day. By leaving the cartel, it can potentially increase that. But there is a problem: the Strait of Hormuz, through which UAE oil must flow to reach export markets, is currently under blockade. So even if the UAE produces more, it may struggle to export it. Markets reacted immediately: the price of a barrel of oil jumped by nearly $15 in two days.

Deep Analysis

Root Causes

The 29 December 2025 Saudi strike on an Emirati weapons convoy at Mukalla port in Yemen was the kinetic trigger for a rupture that had been building since 2019, when the UAE informally suspended its active participation in the Saudi-led Yemen campaign. Abu Dhabi's investment in post-war energy positioning, including ADNOC's 2025 capacity expansion to 4.9 million barrels per day, made OPEC quota constraints increasingly costly.

The UAE's strategic calculus inverts Saudi Arabia's: Riyadh needs high oil prices to fund Vision 2030 and a budget breakeven estimated at $87-90 per barrel; Abu Dhabi's sovereign wealth base (ADIA and Mubadala assets estimated at $2.7 trillion) gives it fiscal resilience at lower price levels, making volume over price a rational alternative.

China's enthusiastic coverage of the UAE exit, via Xinhua and People's Daily, reflects Beijing's interest in a Gulf split that reduces Saudi Arabia's ability to coordinate production cuts that harm Chinese import costs. China is the UAE's largest trading partner and has been building the diplomatic relationship since the 2022 comprehensive strategic partnership.

What could happen next?

Consequence
UAE production ramp-up outside OPEC discipline could add 1.6 million barrels per day to global supply once Hormuz reopens, driving a price correction.
Medium term · Medium
Risk
Saudi Arabia may retaliate against the UAE exit by opening its own production taps, fracturing OPEC+ cohesion among remaining members.
Short term · Medium
Consequence
Beijing's prominent coverage of the exit signals China is positioning as the primary patron of a post-OPEC UAE energy relationship.
Medium term · Medium
Precedent
The first kinetic exchange between nominal GCC allies at Mukalla establishes that Gulf security architecture cannot be assumed stable under wartime stress.
Long term · High

Source Landscape

This story draws on mixed-leaning sources from Qatar and United States

Qatar

United States

LeftRight

Primary parallel: Qatar's withdrawal from OPEC in December 2018 provides the nearest structural parallel: a smaller Gulf producer exiting the cartel to pursue an independent production and pricing strategy.

Qatar's exit removed 600,000 barrels per day from OPEC discipline and caused minimal market disruption because Qatar framed its exit as a shift to LNG rather than crude competition. The UAE exit is an order of magnitude larger and arrives during an active war that constrains its ability to export the additional production it has licensed.

Counter-parallel: The 1973 Arab oil embargo, the foundational OPEC discipline moment, demonstrated that cartel solidarity can be maintained during wartime when member states share a common adversary. The UAE-Saudi rupture at Mukalla on 29 December 2025 inverts that solidarity: Gulf allies are now competing rather than coordinating, with Beijing and Washington as the downstream beneficiaries of the internal fracture.

The structural oil price impact has three components. First, the UAE's technical capacity ceiling of 4.9 million barrels per day versus its 3.3 million barrel OPEC quota represents 1.6 million barrels per day of potential additional supply, but the Hormuz blockade constrains its export routes. Second, the market's $14.84 two-day Brent surge reflects both the OPEC structural break and a war-risk premium, making it difficult to disaggregate the two effects.

Third, Saudi Arabia's response matters: if Riyadh unilaterally increases production to offset the UAE exit and defend market share, the price surge reverses. If it maintains discipline among remaining OPEC+ members, the supply reduction effect compounds with the Hormuz blockade to push Brent above the $126 intraday high toward $130-135, a range that begins to trigger demand destruction in Asian import economies.

Consensus view: Oxford Institute for Energy Studies analysts and Columbia University's Jason Bordoff assess the UAE exit as structurally significant: 5 million barrels per day represents roughly 5% of global supply, and liberating it from quota discipline means Abu Dhabi can now produce at its technical ceiling of 4.9 million barrels per day as declared by ADNOC, versus its pre-exit OPEC quota of approximately 3.3 million barrels per day.

The Saudi state media burial of the announcement, contrasted with Xinhua and People's Daily running it at the top of their wires, reflects a Chinese-Emirati alignment that The Gulf Research Centre's Christian Koch has tracked since the 2020 UAE-Israel normalisation.

Counter-view: Mohammad al-Sabban, Saudi Arabia's former senior oil adviser, characterised the exit as "not a major blow" and a political move under Western influence, arguing that UAE spare capacity cannot be brought to full production within six months and therefore the near-term supply impact is limited.

The Institute of International Finance's capital markets team notes that the Brent $14.84 two-day surge prices in a supply disruption that UAE physical production cannot deliver in the short term.

Key tension: Whether the UAE's post-exit production ramp-up materialises fast enough to validate the $14.84 price jump, or whether the market has priced a supply shock that cannot physically arrive before the Hormuz blockade ends.

First Reported In

Update #84 · Department named, war unsigned

Al Jazeera· 30 Apr 2026

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Causes and effects

Caused by

UAE quits OPEC effective 1 May

UAE OPEC exit formal effectiveness on 1 May follows the 28 April announcement (ID:2872)

Occurred 28 Apr 2026

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Brent hits $111.16, a new post-war high

Brent $126 intraday high advances from the $111.16 post-announcement high set on Day 60 (ID:2873)

Occurred 28 Apr 2026

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Brent peaks at $126 — record war high

Brent's $126 intraday on 30 April matches the 22 March wartime peak (ID:1427); the $123 settle is the new wartime settle high

Occurred 22 Mar 2026

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This Event

Brent settles at $123, new wartime high

Brent's first wartime settle above $120 prices the UAE's coming OPEC exit ahead of the institutional formalisation, with Saudi response setting the next 24-hour move.

Led to

Brent falls $21 across four sessions

Brent's $21.30 fall started from the ID:2939 $123 post-war high on 30 April

Occurred 4 May 2026

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OPEC+ Seven agree 206k bpd June increase

The OPEC+ Seven 206,000 bpd increase was calibrated around the UAE's formal OPEC exit effective 1 May (ID:2939)

Occurred 30 Apr 2026

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Brent falls $14.83 in a session

Brent's $14.83 single-session decline on 1 May follows the 30 April $14.84 spike from UAE's OPEC exit (ID:2939), representing the equivalent price move in reverse on Iran's ceasefire proposal.

Occurred 1 May 2026

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Different Perspectives

Iran human rights monitors (Amnesty International, Iran HRM, Hengaw)

Monitors documented 30 women held on capital moharebeh charges in a basement prison ward, Benyamin Naqdi's death sentence with a forced-confession broadcast, and 39 political executions since February. Iran's security courts have processed protest cases at uninterrupted wartime tempo regardless of the diplomatic track.

Lloyd's of London (war-risk underwriters)

Lloyd's held its Hormuz war-risk designation at $10-14 million per voyage while Brent fell 19%, maintaining a structural divergence from futures pricing. Underwriters require a UN Security Council resolution or government certification letter, not diplomatic optimism, before de-listing the strait.

Oman (Sultan Haitham's government)

Muscat issued a mine alert in its own territorial waters while denying any Hormuz toll plan after US Treasury threatened sanctions. A suspected mine in Omani waters on the same weekend as US financial pressure forces Muscat to demonstrate sovereignty without appearing to choose sides.

China (PRC)

Beijing sent scholars rather than its defence minister to Shangri-La for the second year running and addressed Taiwan and multilateralism without mentioning Iran. China maintains its bilateral energy corridor protection with Tehran while refusing the diplomatic exposure of a public position at multilateral forums.

Iran Supreme National Security Council

The SNSC framed the unsigned MOU as a 10-point Iranian victory with enrichment already recognised, and the foreign ministry rejected Trump's nuclear conditions within hours. Tehran treats each unsigned day as validation that Iran has retained its stockpile without surrendering it.

Trump administration (CENTCOM/White House)

Trump posted three non-negotiable public conditions while CENTCOM disabled a commercial ship and Hegseth threatened resumed strikes from Singapore. The administration treats the unsigned MOU as leverage to extract maximum Iranian concessions before any ceasefire instrument is committed to paper.