Oil prices made tentative gains on Wednesday, with Brent futures climbing 7 cents to settle at US$88.98 a barrel and West Texas Intermediate crude advancing the same amount to US$83.27, as security concerns in the Middle East and stalled diplomatic efforts kept investors nervously watching the market. Yet the advance proved modest, constrained by a growing conviction among analysts that global crude consumption will fail to rebound meaningfully in coming years. The modest price movement reflects an underlying tension between supply-side risks and demand-side weakness—a dynamic that has profound implications for energy security across Southeast Asia, where refiners depend heavily on Middle Eastern crude.

The diplomatic impasse between Tehran and Washington has become a critical factor in market calculations. A senior Iranian source disclosed to Reuters that no substantive discussions are underway between the two nations regarding any extension of their ceasefire arrangement, with the Iranian government contending that the original accord contained no formal commencement date and therefore logically cannot be extended. This interpretation signals deep disagreement over the fundamental terms of any potential accord and suggests that tensions could easily reignite without warning. Simon-Peter Massabni, head of business development at brokerage XS.com, captured the growing scepticism pervading crude markets, observing that participants increasingly doubt whether negotiators can reach a breakthrough quickly enough to prevent further disruptions to regional oil flows or avoid fresh military escalation that could reshape global energy markets.

Actual disruptions to shipping remain acute. Coordinated attacks on commercial vessels continued through the week, with both the United States and reports from Yemen's Houthi forces confirming strikes on shipping traffic navigating the Strait of Hormuz and the Bab el-Mandeb Strait—two of the world's most critical maritime chokepoints through which Middle Eastern oil and liquefied natural gas must transit en route to global markets, supplementing the alternative Suez Canal corridor. The cumulative impact of these incidents has already compressed shipping activity dramatically. Container and tanker traffic through the Strait of Hormuz plummeted to merely eight vessels on Tuesday, marking the lowest weekly tally on record. By contrast, before the current escalation commenced, this vital waterway accommodated between 125 and 140 vessels daily, illustrating the severity of the transportation bottleneck now facing the global energy trade.

Yet paradoxically, the tighter supply picture failed to sustain oil prices at higher levels, a disconnect that points to structural demand concerns now dominating market psychology. The Organisation of the Petroleum Exporting Countries released its monthly outlook and substantially pared back projections for global oil demand growth in 2026, now forecasting an increase of merely 580,000 barrels per day—a conservative revision that signals flagging confidence in economic momentum worldwide. The International Energy Agency took an even dimmer view, slashing its 2026 consumption estimates and now anticipating that crude demand will actually contract by 1.6 million barrels daily throughout 2026 compared to 2025 levels.

These demand forecasts carry particular weight for Asian refineries, which have endured mounting operational stress from the supply squeeze. Simon Wong, a portfolio manager at Gabelli, argued that the demand downgrades should not surprise market observers, given that refining facilities throughout Asia have struggled to secure adequate crude supplies as the Strait of Hormuz closure persists. Forced to curtail their daily crude throughput by necessity, many Asian refiners have effectively destroyed demand through operational throttling—cutting back production runs when feedstock becomes scarce or prohibitively expensive to source. Wong posed a crucial analytical question that will shape market dynamics long after current tensions subside: once the regional conflict eventually ends, how much of this suppressed refining demand will genuinely return to pre-disruption levels? His candid assessment suggests that considerable portions of the reduction may become permanent, representing structural demand destruction rather than temporary postponement of consumption.

The International Energy Agency's more comprehensive outlook amplified this gloomy picture. Beyond the demand contraction already noted, the Paris-based organisation projected that global crude supplies will collapse by 4.3 million barrels per day during 2026, producing an overall market deficit of approximately 1.27 million barrels daily. This supply shortfall should theoretically support higher prices, yet the possibility of enduring demand destruction has muted investor enthusiasm for betting on sustained price appreciation. The market's lukewarm response to these conflicting signals—tight supplies paired with weakened demand—reflects sophisticated traders' recognition that structural economic challenges may overwhelm traditional supply-demand dynamics.

Inventory data provided further evidence of the demand weakness permeating the market. The US Energy Information Administration reported that American crude stockpiles posted an unexpected build last week, extending gains to their largest weekly accumulation since January 2023. Rather than signalling abundant supply, this inventory gain resulted from unexpectedly feeble crude exports and a concurrent surge in imports—a configuration that reflects the contortions refiners must undertake when facing transportation obstacles and changing feedstock availability. Exports fell sharply, suggesting that American producers and traders faced logistical hurdles in moving crude to international buyers, a dynamic that mirrors the broader shipping constraints affecting Middle Eastern producers attempting to maintain sales.

For Malaysia and other Southeast Asian energy-dependent economies, these cross-currents carry meaningful consequences. Regional refiners already operating at reduced utilisation rates face a dilemma: whether to wait for market stability and hope demand eventually recovers, or to restructure their operations toward lower baseline throughput levels. The extended impasse in Iran-US negotiations means that shipping risks will persist, keeping insurance costs elevated and discouraging some trading activity. Energy planners throughout the region must now grapple with the possibility that even when Middle East tensions eventually ease, demand fundamentals may have shifted irreversibly, requiring strategic adjustments to long-term investment plans and crude sourcing arrangements.

Looking ahead, crude markets face an unusual predicament. Traditional supply-demand mechanics suggest that the Hormuz chokepoint and ongoing regional conflict should support substantially higher prices. Yet forecasters' revised demand projections have created a countervailing headwind, restraining price enthusiasm and encouraging caution among investors and hedgers. The resolution of this tension likely awaits either a breakthrough in Iran-US negotiations that restores shipping confidence, or clear evidence that permanent demand destruction has stabilised at some new, lower equilibrium. Until one of these developments emerges, oil prices may continue trading in a narrow band, oscillating between supply concerns and demand pessimism as markets await clarity on the trajectory of Middle East geopolitics and global economic momentum.