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Iran Conflict 2026
18JUL

Brent whipsaws as spreads ignore deal

4 min read
13:17UTC

Brent fell to $77.73 on 18 June as the US-Iran framework signed, bounced to $80.57 when the Switzerland talks collapsed, then eased near $80, while the structural spreads barely moved.

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Key takeaway

Brent oscillated on diplomacy while Brent-WTI and the Brent-Dubai EFS stayed flat, refusing the war premium.

Brent crude fell through its 17 June three-month low of $78.96 to $77.73 a barrel in Asian trade on 18 June as the US-Iran framework signed, then bounced to $80.57 on Friday 19 June when the Switzerland technical talks collapsed, and eased back near $80 by 22 June 1 2. Brent is the global benchmark that prices roughly two-thirds of traded crude. The two-day oscillation netted a subdued move, leaving it barely above the level it had broken a week earlier when it dropped 4% to $85.80 intraday on 12 June .

The structural spreads tell the real story, because they barely re-priced. Brent-WTI, the gap between the European benchmark and US West Texas Intermediate, held near $3 a barrel at the lower end of its $3 to $4 band, with WTI still tightened by the run of weekly US crude draws 3. The Brent-Dubai EFS, the exchange-of-futures-for-swaps spread that measures relative demand between Atlantic and Gulf crude grades, did not re-widen on the reopening.

A desk that wanted to put Hormuz risk back on after one failed negotiation would have paid up through the EFS to do it, and it did not. Flat price is the only thing the framework moved, and it moved it by a net $1.61 a barrel off the 17 June low. The spreads that price the physical and relative-demand reality stayed where they were, which is the market declining to re-price a war premium on a single collapsed session.

Deep Analysis

In plain English

Two numbers help explain why the oil price barely moved when a ceasefire was announced. First, Brent crude fell to $77.73 when the deal was signed on 18 June, then jumped back to $80.57 when peace talks collapsed the next day, and then eased near $80 by 22 June. The net move over five days was small because traders had already guessed what would happen: they sold in advance when talks looked likely, and bought back when they fell apart. Second, a specialist price gap called the Brent-Dubai spread failed to re-widen when the Hormuz news landed. That spread measures whether Asian or Atlantic crude buyers are more eager. Its failure to move means Asian buyers (mainly China) were not rushing to bid for Gulf oil even when a ceasefire seemed possible, because they had already filled their storage tanks and reduced purchases.

Deep Analysis
Root Causes

Brent's two-day oscillation between $77.73 and $80.57 netted a subdued $1.61/bbl move for three structural reasons.

The CFTC's week-to-9-June data showed WTI managed money had rebuilt to +94,725 net long at entries well above current screens, meaning a large position sat on $15-18 adverse moves as Brent approached $77.73. That trapped-long overhang capped the rally from the MOU signing: covering rather than adding was the rational trade. The 20 June COT report (delayed to 22 June by Juneteenth) was the decisive position-flush data point not yet available in this window.

Simultaneously, the Brent-Dubai EFS failed to re-widen on the MOU signing because the Brent-Dubai differential responds to Asian vs Atlantic crude demand, not to Gulf supply expectations alone. With Chinese seaborne imports at their lowest May level in nearly a decade, the EFS had no demand-side catalyst to widen on an optimistic political reading of supply.

The Lukoil-ISAB GL 131F clock running to 27 June provided a competing supply-loss risk that partially offset the Hormuz-easing thesis in the same session window.

What could happen next?
  • Consequence

    The CFTC COT for the week to 17 June (delayed to 22 June by Juneteenth) will show whether the $94,725 WTI managed-money net long was flushed in the $15-18 adverse move. If the long was cleared, there is no residual position overhang to cap a rally on genuine Hormuz reopening news.

  • Risk

    If the Lukoil-ISAB GL 131F clock lapses on 27 June without an OFAC transaction licence (ID:4330), the 320kbd Priolo Gargallo refinery faces stranding, creating a discrete European product-supply shock that flat-price crude markets have not priced.

Sources:Al Jazeera·Al Jazeera
Mentions:Brent Crude →Brent-Dubai EFS →Iran →Al Jazeera →Switzerland →Dubai →Brent-WTI →China →West Texas Intermediate →
First Reported In

Update #10 · Hormuz opened on paper, freight said no

Al Jazeera· 22 Jun 2026
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Causes and effects
Caused by
Brent hit a three-month low at $79
Brent's 17 June three-month low of $78.96 (ID:4325) is the baseline the 18-22 June oscillation is measured against.
Occurred 17 Jun 2026
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Longs rebuilt into an 8-week low
The 4% Brent break to $85.80 intraday on 12 June (ID:4201) initiated the selling sequence that preceded the 17-22 June oscillation.
Occurred 12 Jun 2026
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Brent whipsaws as spreads ignore deal
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