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Cause FileBrent crudeMonday 26 October 2026Intraday

Brent recovers most of its Tehran talks dip as no deal emerges

−0.66% to $115.95December contract. It traded as low as $114.00 in the morning.

By the Causa DeskPublished Updated 3 min read

Updated The edition this file belongs to was updated after the close. Read the update

Cause File−0.66%
Brent crude, 44 closes to 26 Oct. Source: Yahoo Finance.

Why did Brent crude fall on Monday 26 October 2026?

Brent fell as much as 2.3% as Saudi Arabia’s defence minister led talks in Tehran, then recovered most of the loss when no agreement emerged. Reports of a 6% fall compared two different contracts. The war premium remains in the price.

  1. What happened
    Saudi-led delegation meets Iran’s president
    With Pakistan’s army chief and Turkey’s intelligence chief. Qatari mediators came on Sunday.
  2. Then
    Morning selloff on the talks
    December Brent falls to $114.00.
  3. Then
    No agreement, and attacks continue
    Iran sets conditions. The Houthis claim new strikes on a Saudi pipeline.
  4. What moved
    Brent −0.66%
    December contract, $115.95 at 14:12 New York.

The session, New York time

  1. SundayQatari mediators visit Tehran, in coordination with Washington.3
  2. MondayA Saudi-led Makkah pact delegation meets Iran’s president in Tehran.56
  3. MorningDecember Brent trades as low as $114.00, down 2.3%.2
  4. 10:37December Brent at $114.70, down 1.7%.3
  5. 14:12December Brent at $115.95, down 0.66%, as no agreement emerges.1
  6. SettlementDecember Brent settles at $115.81, down 0.8%.10

The evidence

Observed prices and times from market data Reported what named sources say Our read the desk's interpretation Desk note our method and record

ObservedDecember Brent was at $115.95 a barrel at 14:12 New York, down 0.66% on the day, after trading as low as $114.00 in the morning. Reuters had it at $114.70, down 1.7%, at 10:37. US crude was down 1.33% at $101.90.1234

ReportedThe morning fall followed a surprise visit to Tehran by Saudi Arabia’s defence minister, Prince Khalid bin Salman, at the head of a Makkah pact delegation with Pakistan’s army chief, Field Marshal Asim Munir, and Turkey’s intelligence chief, Ibrahim Kalin. Iran said President Masoud Pezeshkian joined the meeting, and Iranian state media said the parties agreed to keep talking. Qatari mediators had been in Tehran on Sunday, in coordination with Washington. Trump told reporters there would not be a strike that day.356

ReportedPrices recovered as no agreement emerged. Iran says it will not negotiate with Washington until its demands are met, and the Houthis said they struck pumping stations on Saudi Arabia’s East-West pipeline over the weekend. Riyadh reported interceptions and has not confirmed damage, and flows are unchanged, but the risk premium remains. John Evans of PVM Oil Associates told Reuters that dips toward last week’s lows would attract buyers, which is what happened.37

ObservedSeveral outlets reported a 6% fall to about $110. That compares the January contract with December’s Friday settlement of $116.72. Most price services switched their Brent quote to January on 25 October. January settled at $111.70 on Friday and was at $110.74 on Monday, down 0.86%.289

Desk noteThe switch affects our record. Five of our open calls name Brent, and they were written against December, which expires on 30 October. Until then we rule them on December. After it, we use January and move each line by the gap between the two contracts at December’s expiry, so a change of contract cannot decide a test. Our own automatic feed switched on Monday, so any crossing it shows now goes to the desk before a ruling.29

This is not a sign that the war premium is fading. The talks produced no agreement, and December Brent is still within about a dollar of Friday’s six-month high.

The chart

$75.00$80.00$85.00$90.00$95.00$100.00$105.00$110.00 Wrong if $102.95 25 Aug 30 Oct
US crude futures, daily close, USD. 48 sessions to 30 October 2026. Source: Yahoo Finance. The hollow dot is an intraday price and does not count toward the Scorecard.

What would prove us wrong

WRONG IF

Our read is that the market heard the talks but does not yet believe them, so the war premium stays. If traders start pricing a settlement, the premium will drain. If US crude closes below $97, where it stood before last Wednesday’s strike near Shaybah, on any session by 3 November, election day, the market has begun to bet on a deal and this file misread it. We test on US crude because its front month does not change before the deadline.

WTI closes below $97.00

Tested on official closing prices only. Intraday moves never count.

WTI intraday $102.95 30 Octneeds −5.8%
OpenF-009Sealed 2625e21d2a32Deadline 3 November 2026OpenScorecard

Get an alert when this call nears its line

Sources

  1. Brent Crude Oil Last Day Financial, December 2026 contract (BZZ26.NYM) Yahoo Finance, 26 October 2026
  2. Brent Oil Futures Contracts Investing.com, 26 October 2026
  3. Oil slips $2 a barrel but stays near six-month highs on Saudi attacks Reuters, via Business Recorder, 26 October 2026
  4. Crude Oil Dec 26 (CL=F) Yahoo Finance, 26 October 2026
  5. Saudi Defence Minister leads Makkah pact delegation to Tehran in major diplomatic push The National, 26 October 2026
  6. Saudi-led talks in Tehran seek to avert renewed Iran, US war The New Arab, 26 October 2026
  7. Morning Highlights: Houthis claim strikes on East-West pipeline pumping stations as Saudi, Turkish and Pakistani officials head to Tehran Cornerstone Futures, 26 October 2026
  8. Oil plunges more than 6% from near wartime highs as diplomacy over Iran seemingly gathers pace Euronews, 26 October 2026
  9. Brent Crude Oil Last Day Financial, January 2027 contract (BZF27.NYM) Yahoo Finance, 23 October 2026
  10. Oil settles lower on peace hopes, Saudi attacks limit losses Reuters, via Investing.com, 26 October 2026