Global oil markets opened the week on edge, as intensifying conflict between the United States, Israel and Iran continued to disrupt supply routes and rattle investor confidence.
Prices initially climbed in early trading, reflecting fears that the war could further constrict already fragile energy flows, particularly through the strategically vital Strait of Hormuz.
Brent crude rose above $111 a barrel while U.S. West Texas Intermediate pushed past $114 in early Monday trading, buoyed by concerns that the conflict would deepen and restrict shipments from the Gulf. These gains followed a volatile period in which oil benchmarks had already surged sharply, with prices climbing by as much as 8–11% in recent sessions amid escalating hostilities.
At the heart of the conflict lies the Strait of Hormuz, a narrow maritime corridor through which roughly a fifth of the world’s oil supply typically passes. Iran’s effective closure of the route—enforced through attacks and threats to shipping—has created what analysts describe as one of the most severe supply shocks in modern energy markets. Tanker traffic has been dramatically reduced, leaving cargoes stranded and forcing refiners to scramble for alternative sources.
The geopolitical backdrop remains highly volatile. Tehran has refused to reopen the strait despite diplomatic efforts, insisting that its demands must first be addressed. Meanwhile, Washington has intensified pressure, with U.S. President Donald Trump issuing stark warnings that Iran could face further military action if the waterway is not reopened.
The result has been a market caught between fear and uncertainty. While prices surged on supply concerns, they also showed signs of retreat as reports emerged of a possible peace framework being circulated between Washington and Tehran. Brent and WTI both slipped slightly later in trading, reflecting hopes—however tentative—that diplomacy might avert a prolonged disruption.
Even so, the broader trend remains upward. Since the conflict escalated earlier this year, oil prices have risen dramatically, at times approaching levels not seen in years. Analysts warn that if the Strait of Hormuz remains closed for an extended period, prices could climb even higher, amplifying inflationary pressures across the global economy.
Efforts by OPEC+ to stabilise the market have so far had limited impact. The group has agreed to a modest production increase, but many of its key members are themselves affected by the conflict, with infrastructure damage and security risks constraining their ability to boost output.
Compounding the problem are direct attacks on energy facilities across the region. Iranian strikes on oil infrastructure in countries such as Kuwait and the United Arab Emirates have underscored the vulnerability of supply chains, raising fears that the disruption could spread beyond shipping lanes to production itself.
For global markets, the implications are profound. Rising oil prices are already feeding into higher fuel costs, with knock-on effects for transport, manufacturing and food prices. Economists warn that sustained disruption could slow economic growth and complicate efforts by central banks to control inflation.
For now, traders remain focused on developments in the Gulf. Any sign of de-escalation—such as a reopening of the Strait of Hormuz—could quickly ease prices. Conversely, further military escalation or attacks on infrastructure would likely send them surging again.
In a market driven as much by geopolitics as by supply and demand, volatility appears set to remain the defining feature in the weeks ahead.
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