Brent Eases to $94.86 but Set for 6.6% Weekly Gain as U.S. Diesel Hits All-Time Record

Friday, September 4, 2026 | 6:45 AM ET

Brent (November) $94.86 | WTI (October) $90.40 Brent -0.66, WTI -0.90 on the day, but Brent up 6.6% and WTI up 8.8% for the week, WTI's strongest weekly performance since July 13. National average diesel hit a record $5.820 a gallon Thursday, per GasBuddy, topping the June 2022 post-invasion high. Just four vessels transited Hormuz Thursday, well below the 10-day average of about 15. Citi raised its Q3 Brent forecast to $86 from $80; ANZ raised its short-term forecast to $95.

Bottom Line

The diesel record is arguably the more consequential story this week, because it's starting to show up in places crude prices alone don't reach. Rystad's Claudio Galimberti connected the dots directly: diesel touches every sector of the economy, and it's a real contributor to why U.S. government bond yields are elevated right now, on the expectation that fuel-driven inflation keeps climbing. That's a different, broader transmission mechanism than the usual Gulf-disruption-to-oil-price story, and it's worth taking seriously given diesel is now up 55% since the war began. Lipow Oil's Andy Lipow made the same point from the real-economy side: diesel underpins trucking, agriculture, and industrial activity broadly, so higher prices ripple into transportation and production costs that eventually show up in food prices too.

The mechanics behind the diesel spike are genuinely twofold and both look structural rather than temporary. Gulf-origin diesel and jet fuel, roughly 900,000 bpd and 350,000 bpd respectively before the war, equivalent to about 10% and 20% of global seaborne supply per Vortexa, have been sharply curtailed by the same Hormuz disruption hitting crude. Separately, Russia's diesel export ban, now extended through September 30 in response to Ukrainian refinery strikes, removes another major source. Both constraints are hitting simultaneously, which is why the diesel crack spread hit a record intraday $108.02 Wednesday before settling near $101, and why U.S. refiners running at multi-year-high utilization still can't close the gap, per UBS's Staunovo. Distillate inventories are at their lowest for late August since 1982 nationally, and the East Coast specifically hit a record-low 19.3 million barrels, based on data back to 1990, a genuinely concerning number heading into a winter heating season the region still depends on heating oil for.

On the crude side itself, there's a real gap between the official U.S. position and what tanker trackers are showing. Washington says Middle East flows have returned to near-normal; independent analysts and shipping data say otherwise, and today's four-vessel Hormuz count, less than a third of the 10-day average, supports the skeptical read. Citi's forecast upgrade to $86 for Q3, up from $80, explicitly cites the reopening taking longer than expected as the reason, and ANZ's move to $95 with upside risk if the conflict intensifies further reflects the same reassessment. Both are catching up to a market that's already repriced 6-9% higher this week alone.

Iran's own position is reportedly becoming harder to sustain, according to three senior Iranian sources who told Reuters the blockade and sanctions campaign is growing increasingly difficult to withstand. That's a notable admission if accurate, and it sits alongside Defense Minister Katz's renewed threat to cripple Iranian energy infrastructure if Israel is attacked, meaning economic pressure and military escalation risk are both intensifying on Iran at the same time, a combination that could push toward resolution or toward a more desperate response depending on which pressure Tehran responds to first. Iraq's export growth, up to 2.34 million bpd in August from 1.35 million in July, remains one of the few unambiguous positives running counter to the broader tightening story.