Crude oil prices experienced a sharp rally on August 31, 2026, as military escalation between the United States and Iran in the Middle East reignited geopolitical risk premiums in global energy markets, according to Duncan Oil analysis. Global benchmark Brent Crude surged approximately 3.5% to trade at $91.25 per barrel, reclaiming the key $90.00 per barrel threshold. West Texas Intermediate (WTI) crude, the domestic benchmark, gained $2.96 to reach $86.36 per barrel during morning trading sessions.
The price surge was driven by direct military engagements between U.S. and Iranian forces. Over the weekend, U.S. forces destroyed two Iranian rocket launchers that were attempting to deploy sea mines on Larak Island within the Strait of Hormuz. Iran subsequently retaliated by firing missiles at American air bases in Jordan, which Jordanian defense forces intercepted.
This represented the first overt direct military exchange between the two nations in over a month. Commercial shipping through the Strait of Hormuz faced severe disruptions as a result of the escalating tensions. Global shipping tracking indicators revealed that commercial vessel traffic navigating the strait dropped to just five visible ships per day over the weekend.
The United Kingdom Maritime Trade Operations (UKMTO) confirmed that a tanker was struck by a projectile on Saturday, further underscoring the deteriorating security situation. Market analysts noted that immediate supply insecurity is currently dominating price dynamics despite longer-term bearish pressures on the market. OPEC+ approved a 188,000 barrels per day production increase for September, and a future supply deal in Venezuela is expected to contribute additional crude to global markets.
However, Goldman Sachs research highlighted that Gulf crude exports remain 7 to 8 million barrels per day below pre-war levels. Russia has also extended its diesel export ban through September, adding to structural supply constraints. Energy analysts from DBS project that each consecutive escalation further delays the formal reopening of the vital Strait of Hormuz gateway, with oil prices expected to remain highly volatile within a tight $85 to $95 per barrel trading range until maritime transit security stabilizes.
Conversely, macro-analysts at Julius Baer forecast that robust global inventories could eventually pressure prices back into the low $70s later in 2026 once physical supply flows adjust to current market conditions. Source: Duncan Oil via Facebook, August 31, 2026
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