Crude Oil Tumbles After Record US Stockpile Build Stuns Traders

Key Takeaways

• Brent crude declined to $88.07 per barrel while WTI slipped to $82.31 on Thursday trading
• US crude stockpiles jumped by 17.4 million barrels, marking the largest weekly increase since January 2023
• OPEC reduced its 2026 oil demand growth projection to 580,000 barrels per day
• The IEA reversed its outlook, now forecasting a 1.6 million bpd decline in oil demand for this year versus earlier predictions of 1 million bpd growth
• Vessel traffic through the Strait of Hormuz fell to a three-week minimum, maintaining supply disruption worries

Crude oil markets experienced a downturn Thursday following an unexpectedly large increase in US petroleum inventories and revised demand projections from leading energy organizations. While Middle Eastern supply concerns offered limited support, they proved insufficient to prevent the selloff.

Brent futures declined 91 cents, representing a 1% decrease, settling at $88.07 per barrel by 0800 GMT. Meanwhile, WTI crude surrendered 96 cents, or 1.2%, trading at $82.31. The decline erased portions of the gains accumulated during the preceding five to six trading sessions.

Brent Crude Oil Last Day Financial Futures (BZ=F)

Record-Breaking Weekly Inventory Build Shocks Market

According to the Energy Information Administration, US commercial crude oil stockpiles expanded by 17.4 million barrels during the week ending August 7. This surge elevated total inventories to 424.4 million barrels, representing the highest volume recorded since June 5.

The increase significantly exceeded market expectations. Reuters-polled analysts had anticipated a withdrawal of 1.4 million barrels. The unexpected accumulation stemmed primarily from a dramatic decline in crude exports.

PVM analyst John Evans noted that the inventory shock maintained downward pressure on prices, preventing them from breaching the $90-per-barrel threshold.

Major Energy Agencies Downgrade Consumption Projections

OPEC revised its global oil demand growth estimate for 2026 downward to 580,000 barrels per day in its latest monthly assessment. This marks the fourth consecutive reduction this year.

The IEA implemented an even more dramatic revision, reversing its stance from expansion to contraction. The international body now anticipates a 1.6 million bpd decrease in global consumption this year, a stark contrast to its earlier projection of 1 million bpd growth.

Both institutions attributed their revisions to decelerating economic expansion, elevated prices, and constrained fuel availability linked to the continuing US-Israeli confrontation with Iran.

The United States has substantially depleted its Strategic Petroleum Reserve throughout this year to mitigate supply disruptions stemming from the regional conflict. Independent data confirmed significant reductions in SPR volumes.

Hormuz Standoff Maintains Supply Uncertainty

Notwithstanding the bearish market pressures, the ongoing Strait of Hormuz situation continued to fuel trader apprehension. Both Washington and Tehran asserted authority over the critical waterway this week, with no diplomatic breakthrough emerging.

A high-ranking Iranian official stated Wednesday that negotiations to resurrect an interim US-Iranian agreement, which was reached in June, have stalled completely. Maritime traffic through the Strait, excluding container vessels, dropped to just five crossings on Wednesday—the lowest figure in three weeks, according to Kpler shipping intelligence.

Prior to the outbreak of hostilities, the Hormuz waterway facilitated approximately 20% of worldwide oil consumption.

Yemen’s Houthi militia compounded regional tensions by launching assaults on commercial vessels transiting the Red Sea and the Bab el-Mandeb Strait.

In Eastern European developments, Russian forces targeted Ukraine’s Izmail port facility in the Odesa region during overnight operations. Additionally, a drone strike ignited a fire at Salavat, Russia, the location of a major oil refining complex.

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