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Iran Conflict 2026
31JUL

Brent above $116, set for record month

2 min read
09:24UTC

Brent crude advanced above $116, up 72% from pre-war levels and heading for its largest monthly increase on record. Markets are pricing prolonged conflict, not resolution.

ConflictAssessed
Key takeaway

Markets are pricing prolonged war, not imminent resolution.

Brent Crude advanced above $116 per barrel on 30 March, approximately 72% above its pre-war level of $67.41. 1 The monthly gain is heading for a record. Goldman Sachs maintained a $14 to $18 per barrel geopolitical risk premium is baked into the price. Global stock markets extended their selloff as Houthi entry and the US military build-up stoked prolonged-conflict fears.

The price trajectory tells the story of a market that has abandoned hope of a quick resolution. Brent settled at $112.57 on 28 March , already elevated by Houthi entry. Trump's oil seizure statement, the third consecutive Houthi attack on Israel, and Pentagon confirmation of ground operations planning pushed it above $116 two days later.

AIS tracking data paints a bleaker picture than headline prices suggest. Shadow fleet vessels account for 80% of Hormuz transits in March, up from 15% in February . Legitimate commercial traffic has effectively stopped: approximately three transits per 24 hours against a pre-war baseline of 138. The Hormuz 'reopening' is a reorganisation of traffic to benefit non-US-aligned operators, denominated in yuan, under IRGC naval supervision.

The 6 April deadline for Trump's power plant strike threat is six days away. If the deadline passes without diplomatic movement and the 82nd Airborne stages forward from Kuwait, Goldman's risk premium estimate will need revision upward. Every dollar on Brent translates to approximately 2.5 pence per litre at UK petrol pumps within a week.

Deep Analysis

In plain English

Brent crude is the main international benchmark for oil prices. Before the war started, a barrel of oil cost $67. By 30 March it cost over $116. That is a 72% increase in one month. Higher oil prices feed through into everything: petrol and diesel costs, heating bills, the price of food and goods that are transported, and the cost of making plastic and chemicals. The monthly increase is on track to be the largest in recorded history. Goldman Sachs, the US bank that tracks commodity prices, says there is an extra $14 to $18 on every barrel just because of the war risk. The closer US ground forces get to Iran's oil export terminal at Kharg Island, the higher the risk premium is likely to rise.

What could happen next?
  • Risk

    The 6 April power plant strike deadline, with no diplomatic movement, risks a further price spike beyond Goldman's current risk-premium estimate if Trump follows through.

  • Consequence

    The IEA's 400 million barrel emergency release has not stabilised prices. Markets are treating this as a structural supply disruption, not a temporary spike amenable to reserve releases.

First Reported In

Update #52 · Trump wants Iran's oil; 3,500 Marines land

Bloomberg· 30 Mar 2026
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Different Perspectives
Shipping and insurance underwriters
Shipping and insurance underwriters
Underwriters can price Houthi strikes because the group announces its targets, but an unclaimed drone at Damietta and a mandatory Iranian insurance scheme both deny them a pattern to price against. War-risk premiums are increasingly being set by the absence of a claimant, not the scale of the damage.
Jordan
Jordan
Azraq absorbed its fourth Iranian strike in seven weeks, again drawing no direct Jordanian retaliation, only an American one. Amman's exposure, hosting US basing without the Patriot density of Gulf allies, has not changed even as the war around it widens.
Houthi movement
Houthi movement
The Houthis' 20 July blockade of Saudi-linked shipping is the injury Riyadh's new 43-nation coalition directly answers, yet the group itself was never asked to join and remains outside every proposal on the table. Sanaa-aligned commentators call the coalition a paper reassurance for insurers rather than a deployable force.
Egypt's Cabinet
Egypt's Cabinet
Egypt confirmed the Damietta blaze was an attack, not an accident, on soil the war had never touched before. Cairo now faces an unclaimed threat to a facility supplying roughly 7% of its domestic gas, with no author to hold accountable and no pattern yet to defend against.
Oman
Oman
Muscat is running the only channel Iran will use, a voluntary Hormuz fee modelled on Malacca, but stayed out of Saudi Arabia's new naval coalition entirely. Oman's mediating leverage depends on treating Hormuz as shared and non-exclusive, the opposite of what Tehran is now demanding of it.
Iraq's Prime Minister
Iraq's Prime Minister
Al-Zaidi cancelled his first official Riyadh visit and convened the Coordination Framework, the coalition that keeps him in power and whose factions sit inside the PMF that Saudi jets just struck. He is caught between a five-year Saudi investment relationship and armed groups inside his own state he does not fully control.