London, September 8, 2026: Global oil prices have climbed sharply as renewed military confrontation between the United States and Iran threatens to further disrupt shipping through the strategically vital Strait of Hormuz.

Brent crude rose to around $97 a barrel, while US West Texas Intermediate moved above $92, as traders priced in a higher risk premium following escalating attacks in and around the waterway. Reuters reported that oil markets remained under pressure on Tuesday as fears grew that the conflict could constrain Persian Gulf supplies for an extended period.

The latest surge follows a strong rise last week, when Brent gained about 7.6% and WTI climbed roughly 10% as military exchanges between Washington and Tehran intensified.

Strait of Hormuz at the Centre of the Crisis

The Strait of Hormuz has become a major flashpoint in the conflict because it is one of the world’s most important routes for energy shipments.

Falling commercial traffic through the waterway has increased concerns among traders that prolonged disruption could restrict supplies reaching international markets. The renewed attacks have also made shipping companies more cautious about operating in the area.

The situation has created a difficult combination for energy markets: uncertainty over future supplies is increasing at the same time that transportation and insurance risks are rising.

Brent Moves Towards $100

The latest price movement brings Brent crude closer to the psychologically important $100-a-barrel threshold.

On September 7, Brent reached a six-week high as concerns over the security of oil shipments intensified.

The benchmark had already risen significantly following renewed fighting at the beginning of September. On September 1, Brent settled at $94.65 a barrel after gaining more than $4, while WTI closed at $90.22.

Fuel Costs Could Rise Further

Higher crude prices can eventually feed into gasoline, diesel, aviation fuel and other petroleum products.

The pressure is already visible in the United States, where retail diesel prices recently reached a record level, according to Reuters. The combination of expensive crude and disruptions to global energy flows is increasing costs for transportation and businesses.

For countries that depend heavily on imported energy, a prolonged period of elevated oil prices could increase inflation and put additional pressure on consumers.

Markets Watch for a Longer Conflict

Investors are increasingly focused on whether the latest escalation will be short-lived or develop into a prolonged disruption.

Analysts cited by Reuters said Persian Gulf oil supplies could remain constrained through the remainder of 2026, with a full recovery potentially extending into the first half of 2027. Goldman Sachs has also raised its year-end oil-price forecasts amid the worsening situation.

That uncertainty is making it difficult for traders to determine how high prices could ultimately rise.

Global Economy Faces New Risks

A sustained oil-price shock would have consequences far beyond energy markets.

Higher fuel costs can raise transportation expenses, increase production costs and add inflationary pressure across economies. Airlines, shipping companies, manufacturers and agricultural businesses could all face higher operating expenses.

Oil is also an important input in the production of numerous chemicals and industrial materials, meaning prolonged energy disruption could affect supply chains beyond the fuel market.

Shipping Disruption Remains a Key Concern

The biggest immediate risk for oil markets is the continued uncertainty surrounding maritime traffic through Hormuz.

The longer commercial vessels remain reluctant or unable to use the route normally, the greater the possibility that physical supplies will become tighter.

Alternative transportation routes can help offset some disruption, but they cannot easily replace the scale and efficiency of the Strait of Hormuz for Gulf energy exports.

Oil Market Faces Another Test

The latest rally demonstrates how quickly geopolitical developments can reshape energy prices.

Brent remains below the extreme levels reached earlier in the year, but its return toward $100 highlights the vulnerability of global energy markets to further military escalation.

For governments and businesses around the world, the key question is now whether diplomatic efforts can prevent the disruption around Hormuz from becoming a prolonged energy crisis.

Until there is greater certainty over shipping security and the wider US-Iran conflict, oil markets are likely to remain highly volatile.