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Iran Conflict 2026
31JUL

Brent takes $90 on the ninth night

2 min read
09:24UTC

Kuwait's government said an Iranian strike had knocked generating units offline at a combined power and desalination plant; Brent settled $88.10 that Friday and took the $90 handle by Monday.

ConflictDeveloping
Key takeaway

Brent cleared $90 with freight and insurance confirming the move for the first time in this conflict.

Brent Crude settled $88.10 on Friday 17 July, up 4.6% on the day, after Kuwait's government said an Iranian strike had damaged a combined power-generation and water-desalination plant and taken a large number of generating units offline⁠1. By Monday 20 July, with US forces completing a ninth consecutive night of strikes on Iranian targets, September Brent traded above $90 and August West Texas Intermediate at $84.38⁠2.

Brent is the seaborne benchmark against which most crude landing in European refineries is priced; WTI settles into a landlocked tank farm at Cushing, Oklahoma. The gap between the two is the market's running estimate of what it costs to get a waterborne barrel out of a war zone, which is why the spread is worth more attention this week than either outright.

That spread widened to $5.61 on 17 July from $5.13 two days earlier, then held near $5.62 through Monday. Three sessions of escalation, and it stopped blowing out. The bid is being priced as a seaborne-delivery problem with a ceiling on it rather than an open-ended one. Cushing is inland; Strait of Hormuz cargoes are not, and the market has now put a number on that difference and left it there.

The Baltic Exchange freight assessment and London war-risk hull rates both repriced inside this same window, having sat out every flat-price move for the previous six weeks. Brent rose to $79.16 on a fourth US strike with tanker freight flatly refusing to confirm it. A flat-price rally that freight ignores retraces on the next communique. A rally that freight and war-risk underwriters have signed off on is embedded in landed cost until the loss record changes.

Deep Analysis

In plain English

Brent and WTI are the two main prices used to buy and sell oil around the world. Brent tracks oil that travels by sea, so it gets more expensive when ships face danger, like near the strait of Hormuz between Iran and The Gulf states. WTI moves through pipelines in the US and does not face that risk. When Iran hit a Kuwaiti power plant on 17 July and the US kept bombing Iranian targets for a ninth straight night, sea-based Brent jumped further than land-based WTI, widening the gap between the two prices.

Deep Analysis
Root Causes

The spread's ceiling behaviour traces to a structural asymmetry, not sentiment: WTI delivers landlocked at Cushing, Oklahoma, so it carries no Strait of Hormuz exposure, while Brent prices cargo that must physically transit the 33km chokepoint.

The CFTC's Tuesday-cutoff, Friday-release cycle means the 17 July print already excluded the Kuwait strike that happened that same day, so the professional book the market is reading was stale before it was published.

What could happen next?
  • Consequence

    A Brent-WTI spread stabilising near $5.61-5.62 signals traders are pricing Hormuz risk as bounded rather than open-ended, which caps how far European fuel costs rise from this specific escalation.

  • Risk

    A further Hormuz casualty could push the spread past its current ceiling if underwriters treat it as evidence the risk band has shifted rather than plateaued.

First Reported In

Update #18 · Brent tops $90 and freight follows this time

CNBC· 20 Jul 2026
Read original →
Different Perspectives
United States (Joint Maritime Information Center)
United States (Joint Maritime Information Center)
The JMIC, the US-led naval reporting cell, rated the Hormuz threat "severe" in its 25 October advisory, as reported by gCaptain, and warned of possible renewed mining. Eight days earlier it found no substantiation for the Guards' mine claims, while US-facilitated transits ran at about 34 a day.
United Kingdom (CPS and Counter Terrorism Policing)
United Kingdom (CPS and Counter Terrorism Policing)
The CPS charged two men under the National Security Act 2023 over the RAF Fairford incident, and Counter Terrorism Policing said it believes the foreign intelligence service involved is Iran's, LBC reported. The case now runs through the courts; both men are charged, not convicted.
Aden and Yemen's recognised government
Aden and Yemen's recognised government
The Houthis told people to leave Aden airport, in the government-held south, before a missile fell there on 28 October, AFP reported, and police reported a second attack that afternoon. The fight between Riyadh and the Houthis is landing on the south's main civilian airport.
Qatar (mediators)
Qatar (mediators)
Qatar-led mediators put new terms to Iran this week, which an Iranian official called "ideas, not a proposal". Riyadh framed the Tehran meeting as support for Qatari and Pakistani mediation, keeping Doha at the centre of the indirect channel.
Korea Shipowners' Association
Korea Shipowners' Association
The association said the ships Iran listed were sub-chartered to an overseas oil company, not owned by Sinokor, carried no South Korean crew, and that Sinokor was unaware of the warning. South Korea's shipowners are contesting whose vessels the notice covers before it takes effect.
Kuwait (foreign ministry)
Kuwait (foreign ministry)
Kuwait summoned Iran's ambassador, Mohammad Toutounji, and handed him a protest note over the embassy's denial that its citizen took part in the alleged plot against Interior Minister Fahad Al-Yousef. Kuwait is answering through its courts and a diplomatic protest, citing international law and the UN Charter.

Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Editorial standards.