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WTI Ends at $91.48 Before OPEC+. Actual Barrels Will Decide the Next Move

4 min read
Roman PerkowskiRoman Perkowski

LONDON, Sept. 5, 2026, 6:35 a.m. BST — U.S. crude settled at $91.48 Friday, capping a 9.7% weekly gain. OPEC+ meets Sunday with no October policy change expected, three sources told Reuters. Yet the quota headline may tell investors less than physical exports.

  • October WTI rose $8.08 from the previous Friday’s $83.40 settlement.
  • Seven OPEC+ producers added 188,000 barrels per day to September targets.
  • Reuters sources expect Sunday’s group to leave October policy unchanged.
  • Actual output has lagged planned increases as wars disrupted several exporters.

The tension is straightforward. The alliance has restored one layer of supply on paper. War and shipping constraints have kept part of that oil away from buyers.

That makes Sunday’s delivery test more important than its quota decision. A stable target cannot ease prices if exporters cannot move the crude.

WTI gained $8.08 in six settlements

October WTI futures, dollars per barrel

Settlement pathDaily closes
WTI settlements rose from 83 dollars 40 cents on August 28 to 91 dollars 48 cents on September 4, a weekly increase of 9.7 percent. $94$90$86$82 $83.40$91.48 Aug 28Aug 31Sep 1Sep 2Sep 3Sep 4 A mobile chart shows WTI rising from 83 dollars 40 cents on August 28 to 91 dollars 48 cents on September 4. 94908682 $83.40$91.48 Aug 28Sep 1Sep 4

Price data through the . Sources: Yahoo Finance futures data and Bloomberg settlement report. Futures are closed for the weekend.

WTI gained $8.08 from the prior Friday’s $83.40 settlement. Friday itself was quieter, with the October contract adding 18 cents.

Brent settled at $96.28, up 0.8% on the day. Thin trading before the U.S. holiday limited conviction in either direction.

Priyanka Sachdeva of Phillip Nova said oil markets were “repricing their vulnerability.” The renewed U.S.-Iran fighting has kept a war premium in both benchmarks.

The Sunday meeting involves Saudi Arabia, Russia, Iraq and Kuwait. Kazakhstan, Algeria and Oman complete the group. Two Reuters sources expect the online session to begin at 1100 GMT.

Two producers carry most of September’s increase

Official monthly target additions, thousand barrels per day

188,000barrels per day in the official group adjustment
≈66%allocated to Saudi Arabia and Russia, based on published rounded figures
Saudi+62
Russia+62
Iraq+26
Kuwait+16
Kazakhstan+10
Algeria+6
Oman+5
The country rows total 187,000 barrels per day because OPEC publishes each component rounded. The organization states a 188,000-barrel group increase.

Source: OPEC’s Aug. 2 production decision. TS2 calculations use OPEC’s rounded country allocations.

OPEC set September’s combined adjustment at 188,000 barrels per day. Saudi Arabia and Russia received 62,000 each, or roughly two-thirds of the published increase.

The September step completed the rollback of a 1.65 million-barrel cut agreed in 2023. A separate reduction covering most alliance members remains through year-end.

Actual production has trailed those planned increases, Reuters reported. Export disruptions in the Gulf, Russia and Kazakhstan have broken the usual link between targets and supply.

The investable signal passes through three gates

A quota becomes supply only after production and shipment

POLICYQuotaSunday can change the formal October target.
DELIVERYOutputCapacity, compensation and disruptions determine actual barrels.
ACCESSExportsTankers and alternative routes decide what reaches buyers.
21.6m bpdHormuz oil and liquids flow in the fourth quarter of 2025
4.9m bpdaverage flow in the second quarter of 2026
The EIA’s quarterly comparison shows why a modest quota decision can be overwhelmed by shipping. These are historical averages, not a real-time transit count.

Source: U.S. Energy Information Administration, August Short-Term Energy Outlook, released Aug. 11. The next update is scheduled for Sept. 9.

The scale of the shipping problem is larger. Hormuz carried 4.9 million barrels daily in the second quarter, the EIA estimates. That was down 77% from late 2025.

Those figures are quarterly history. The agency’s August outlook assumed severe constraints through August, followed by a gradual September recovery.

A no-change decision could invite early selling if traders focus on quotas alone. Fresh shipping disruption would quickly challenge that reaction. A surprise increase would test whether extra capacity can reach water.

There is also a slower dispute. OPEC+ is reviewing national capacity before setting 2027 baselines. DeGolyer and MacNaughton should deliver most assessments by late September, Reuters reported.

Risks: A durable easing of regional fighting could remove the war premium fast. Weak demand would add pressure. Renewed attacks could instead lift crude before physical data confirms any shortage.

The first marker arrives at 1100 GMT Sunday. Monday brings no CME settlement because of Labor Day. Investors should then watch export flows, front-month spreads and Wednesday’s new EIA outlook.

Sources

Roman Perkowski

About the author

Roman Perkowski

Roman Perkowski is a senior markets reporter at TechStock² covering company news, technology shares and economic developments across global equity markets. He graduated from the Cracow University of Economics and previously worked in investment research and corporate finance. Follow him on Google News.