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Iran Conflict 2026
23AUG

Brent takes $90 on the ninth night

2 min read
19:02UTC

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 offline 1. 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 $84.38 2.

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
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Different Perspectives
Hizballah
Hizballah
Has not commented on the US Treasury's 20 August designation of ten people, including named couriers, over a cash network Treasury says moved money to it from the IRGC-Qods Force. ACLED recorded a sharp rise in attacks around it the same day.
Kuwait
Kuwait
Kuwait's Chief of the General Staff, Lieutenant General Khaled al-Shriaan, co-chaired the 16th US-Kuwait Joint Military Commission at the Pentagon on 21 August. Kuwait has not published what was agreed; only a summary of the meeting's existence and attendees is sourced.
Qatar
Qatar
Has not commented publicly on the $4.5bn KC-46A tanker Foreign Military Sale notification the State Department approved on 20 August. The notification opens a sale process; Doha has not confirmed whether it will proceed to a signed transfer.
Mohammad Bagher Ghalibaf
Mohammad Bagher Ghalibaf
Told a Baghdad business meeting on 20 August that Iran will not endure a hungry population regardless of its military strength, against 87.9% point-to-point inflation and 128.1% food inflation for Tir. His fellow Majlis Economic Committee member Samsami separately warned a petrol price rise would ignite unrest.
US Navy
US Navy
Signed a $22.9bn, seven-year contract with Raytheon on 17 August to raise Tomahawk output from about 60 a year to more than 1,000. The Acting Navy Secretary, quoted via an X post, framed it as the "Arsenal of Freedom" initiative; it replaces the 850 missiles fired by 1 April in about ten months at the new rate.
UK Maritime Trade Operations
UK Maritime Trade Operations
UKMTO logged six armed men boarding a tanker 136 nautical miles east of Al Mukalla on 20 August and redirecting it toward Somalia. A vessel steered toward the Somali coast reads as an attempted seizure, a distinct hazard from the stand-off strikes the same lane has seen before.