Brent Nears $100 as Middle East Attacks Deepen Supply Risk

Crude has climbed about 25% since early August as attacks on tankers, infrastructure and shipping routes revive inflation pressure.

By Amelia Roth • • Markets

A dark oil wave glows red beside tanker silhouettes and distant refinery lights

Brent crude traded near $100 a barrel for the first time since July as a new escalation in Middle East attacks raised concern about production and shipping. The benchmark rose to about $99.22 in early Wednesday trading, while West Texas Intermediate reached roughly $94.13.

The move is larger than a single session. Brent has gained about 25% since early August as hopes for a durable resolution to the regional war faded. Iranian-backed Houthi forces struck Saudi cities, US forces attacked Iranian oil tankers, and Iran targeted a US base in Jordan and ships, according to Reuters reporting.

The immediate market risk is not only lost barrels. Attacks on tankers, ports, pipelines and energy facilities can raise freight, insurance and security costs even when physical supply continues. Saudi Arabia has redirected some exports away from the Strait of Hormuz, but sustained pressure on the kingdom would make alternative routes and loading infrastructure more important.

A $100 price is psychologically prominent, yet the economic transmission matters more than the round number. Import-dependent economies face higher trade bills and weaker currencies. Airlines, shipping companies, manufacturers and households absorb higher fuel costs. Central banks must judge whether the shock is temporary or likely to spread into wages and broader prices.

Asia is especially exposed because major economies rely heavily on imported energy. Europe also faces renewed inflation risk, complicating expectations for monetary tightening. In the United States, higher petrol prices can affect consumer sentiment and rate expectations even as domestic producers benefit from stronger crude prices.

Oil producers may earn greater cash flow, but high prices can damage demand and accelerate policy responses. Refiners face a moving mix of crude and product margins. Governments may release reserves, adjust taxes or subsidise consumers, shifting part of the cost to public budgets.

Uncertainty remains extreme. The market has priced a higher probability of disruption, not a known volume of permanent lost supply. Diplomatic moves, restoration of shipping routes or spare production could reverse prices. Further damage to regional infrastructure could push them materially higher.

Derivatives positioning can amplify both directions. Producers and consumers hedge future flows, while speculative funds respond to momentum and headlines. Near-term futures can rise faster than later contracts when immediate supply is feared, creating incentives to draw inventories. The shape of the curve will help distinguish a physical shortage from a broader risk premium.

The latest move is distinct from routine daily volatility because it crosses a threshold that changes corporate and policy planning. Budget assumptions, airline surcharges and inflation forecasts are often built around materially lower oil. Sustained prices near this level would force revisions even if no formal embargo occurs.

Why it matters

The return of near-$100 Brent reconnects geopolitical risk with inflation and interest rates. It can weaken growth while forcing central banks to remain restrictive—the combination investors find hardest to price. The shock also affects corporate margins, sovereign budgets and household spending far beyond the energy sector.

For portfolio managers, the signal is broader than energy shares: transport, consumer goods, currencies and bonds all reprice when oil becomes an inflation tax. For policymakers, the priority is to distinguish temporary volatility from a sustained supply constraint without overreacting to either.

The quoted prices are market levels at a point in time and may change quickly. The future supply impact of the attacks remains uncertain.

Sources: Reuters oil-market report · International Energy Agency oil data