Crude Slips on US-Iran Talks Hopes Despite Strait of Hormuz Still Largely Shut

Price action and the diplomatic spur

Crude futures gapped lower at the start of trading on August 3, 2026, with September WTI trading near $83.62 a barrel, down roughly $7.42 or about 8%, while October Brent slid more than 7% before recovering to $83.51, a 5.09% decline. West Texas Intermediate fell 5.67% to $79.87 a barrel in early UAE-time trade. The selling came after US President Donald Trump said a new round of talks with Tehran would begin on Monday, with any agreement expected to address the Strait of Hormuz first before Iran's nuclear programme. Trump said he had paused a planned military strike on Iran following appeals from Saudi Arabia, the UAE, Qatar and Iran, all of which he said believed a diplomatic deal was within reach.

Physical shipping reality in the strait

The price move sat in stark contrast to conditions on the water. Iran's Revolutionary Guard forces stopped two tankers on Friday and turned four others back, while only two large crude carriers made it through the Strait of Hormuz. The strait remained largely closed, with hydrocarbon tankers still being attacked and forced into U-turns, and the US continuing to enforce its blockade of Iranian shipping and ports. Analysts noted that previous attempts to price a diplomatic breakthrough in mid-July and late July had been reversed when tanker counts failed to follow the headlines.

OPEC+ supply addition into a jammed export corridor

OPEC+ agreed on Sunday to add 188,000 barrels per day to its September quotas, completing the return of 1.65 million barrels per day from voluntary cuts. The market barely reacted, because the additional barrels cannot reach buyers while shipping lanes remain impaired. The quota increase would only matter if the strait reopened; with tanker data unchanged, the headline supply figure was effectively a number on a spreadsheet rather than accessible crude.

Demand, inventories and the war premium

Brent had traded above $126 a barrel in April during the early phase of the conflict, then gave up its war premium to fall below the prewar level of $72 a barrel last month, before a flare-up in July drove a 24% monthly gain, the biggest monthly advance since March. US commercial crude stocks hit their lowest level since 2018, with Cushing near decade lows, while demand slipped more than 3.5% to about 20.07 million barrels per day. Analysts warned that crude could revisit $120 a barrel in the fourth quarter if free flow through the strait was not restored, and noted that Houthi attacks had added a blockade of Saudi ports and shipping to the disruption.

What remains uncertain

The August 3 selloff was priced as if a deal had already been struck, but nothing has been confirmed by either Washington or Tehran, and the physical ship count has not improved. Traders and analysts said the move would need to be validated by days of rising two-way traffic through Hormuz and Bab el-Mandeb, otherwise the supply premium could return as quickly as it did in July. The next domestic data point is Wednesday's EIA inventory report, which will test whether the underlying US supply and demand picture supports the diplomatic rally.

Next milestone

A new round of US-Iran negotiations is scheduled to begin on Monday, with the Strait of Hormuz expected to be the first item on the agenda, followed by Wednesday's EIA weekly crude inventory report as the next verifiable reference point for US balances.