West Texas Intermediate fell more than 6% Monday, dropping about $5.20 to trade below $80 a barrel. Brent fell roughly 4.7% to about $83. Both hit three-week lows. The catalyst was a Sunday night statement from President Trump that he had called off what he described as the biggest strike since World War II, at the request of Gulf allies, because negotiations with Iran would begin Monday afternoon and a deal to reopen the Strait of Hormuz was close.
Monday afternoon arrived. Iran’s foreign ministry spokesman, Esmaeil Baghaei, told reporters there are no negotiations under way with the United States, no plans to host foreign delegations and no plans to send negotiators abroad in the coming days. Tehran said it is talking to Oman about a temporary safe route through Hormuz — not to Washington. Trump called the Iranian leadership duplicitous.
By mid-morning in New York both facts were sitting on the same page: crude down five dollars, and one of the two parties on the record saying the thing that moved it does not exist. The tape kept the loss.
The part that isn’t a headline
Sunday also brought an OPEC+ decision to lift production quotas by about 188,000 barrels a day from September, completing the unwind of a layer of voluntary cuts introduced back in 2023. We covered that yesterday, when crude was still $90 and the war premium was doing all the work. Two days later the premium is gone and the barrels are still coming.
That is the asymmetry worth holding onto. Crude jumped more than 20% in July on tanker attacks near Oman, drone strikes on Saudi facilities and a hit on gas vessels at Egypt’s Damietta port, briefly pushing Brent above $90. Every dollar of that was a probability estimate. The OPEC+ decision is not an estimate — it is a schedule.
Our take: Monday’s $5 was paid for by a negotiation one participant denies is happening. That is a fragile thing to be short into and an expensive thing to chase. Separate the two halves of this move: the geopolitical half can be un-said in a single sentence from Tehran, and has been, repeatedly, all summer. The supply half shows up in September no matter what anybody says this afternoon. If you buy diesel, jet fuel or freight, treat the current strip as a gift with an expiration date you do not control — and lock what you can while the denial is still being ignored.
Why equities cared
Cheaper crude is a rate story before it is an energy story. The 10-year Treasury eased to about 4.683% Monday, and lower yields lit up exactly the corners of the market that had been punished for them: small caps, homebuilders, mortgage names, REITs. The Russell 2000 was up 1.46% mid-morning, ahead of the Nasdaq. The energy complex went the other way, with the main US oil fund down about 6%.
It is the mirror image of the trade we described when traders built a rate hike out of $100 oil and the weekend took the oil away. Same mechanism, same fragility, third time this summer.
What to watch
- Oman. Iran denied talking to Washington but confirmed it is negotiating a temporary Hormuz route through Muscat. That channel, not the one Trump described, is where a real de-escalation would show up first.
- Whether the September barrels arrive. Earlier quota increases largely failed to reach the market because of disruptions in Iran, Russia and Kazakhstan. Paper supply and physical supply have not matched all year.
- Friday’s jobs data. With crude down and yields easing, the labour print now does more to set the Fed path this week than the Gulf does.
- The $90 line. Brent has failed there twice on nine nights of airstrikes. It has now round-tripped to $83 on a press statement. The range is the trade until something physical breaks it.