Commodities September 8, 2026 09:40 PM

Oil prices climb as U.S.-Iran hostilities raise supply and shipping concerns

Brent nears $100 a barrel amid strikes, missile launches and threats around the Strait of Hormuz

By Priya Menon
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Brent crude approached the $100-per-barrel mark and WTI continued a multi-day winning streak as renewed U.S.-Iran confrontations and attacks in the Gulf disrupted shipping and raised the risk of broader supply interruptions. Markets are monitoring military strikes, missile launches, and threats to Gulf states, while flows through the Strait of Hormuz have slowed and some producers are routing exports through alternative ports.

Oil prices climb as U.S.-Iran hostilities raise supply and shipping concerns
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Key Points

  • Brent crude traded at $99.32 per barrel, up 1.4%, and WTI rose to $94.44 per barrel, up 1.5%, as of 21:32 ET (01:32 GMT); WTI was set for its seventh straight day of gains.
  • U.S. forces said they destroyed five Iranian oil tankers after Iranian missile strikes on U.S. naval assets; Iran launched missiles at U.S. targets in Jordan and warned Gulf states including Kuwait and Bahrain against supporting U.S. forces.
  • Attacks by Iran-backed Houthi forces on Saudi Arabia hit energy and economic facilities, causing fires at sites including the Jazan refinery and injuring more than 70 people; flows through the Strait of Hormuz have fallen and some Gulf producers are using alternative routes and ports.

Oil prices extended gains in Asian trade on Wednesday as escalating tensions between the United States and Iran intensified concerns over disruptions to Gulf oil exports and maritime traffic. Brent crude for November delivery traded at $99.32 per barrel, up 1.4%, while West Texas Intermediate (WTI) futures rose 1.5% to $94.44 per barrel as of 21:32 ET (01:32 GMT).

WTI was on track for a seventh straight session of gains, and both benchmarks reached their highest levels in weeks as market participants reacted to a series of military and missile actions in the region.


Geopolitical drivers

The recent price advance followed a U.S. military statement that it had destroyed five Iranian oil tankers after Iranian missile strikes targeted U.S. naval assets. Iran then launched missiles at U.S. targets in Jordan, and Tehran warned Gulf states including Kuwait and Bahrain against supporting U.S. forces.

This chain of events came after attacks by Iran-backed Houthi forces on Saudi Arabia earlier on Tuesday. Those strikes hit energy and economic facilities in several southern Saudi cities and injured more than 70 people, according to reports. Saudi authorities said fires broke out at energy sites, including the Jazan refinery, though officials have said the full extent of any disruption remains unclear.

U.S. Secretary of State Marco Rubio warned Tehran on Tuesday that Washington would continue striking Iranian oil tankers in retaliation for attempted attacks on U.S. warships.


Shipping, routes and Hormuz

The confrontations have added to already severe disruption around the Strait of Hormuz, a crucial channel for global oil shipments. Shipping traffic through the waterway slowed sharply after Iran threatened retaliation for further U.S. strikes, and reports show that flows through Hormuz have declined. Iran has said it plans to establish a maritime exclusion zone around the strait.

Some cargoes are still moving, and Gulf producers have sought to redirect flows using alternative routes and ports. That continued, if reduced, movement of crude has so far prevented Brent from decisively breaking above $100 a barrel despite the deteriorating security backdrop.


Price outlook and market implications

Analysts and trading desks are flagging higher upside risks. Goldman Sachs warned that crude could rise to as much as $120 a barrel if attacks on Middle Eastern vessels intensify and shipping disruptions worsen. The strengthening oil complex is reviving concerns about inflation and the potential for interest-rate implications.

Market participants will be watching further developments closely, including any new military actions, additional warnings from regional actors, and the practical impact on export infrastructure and shipping lanes. For now, the mix of active shipments, alternative routing and elevated security risk is keeping prices volatile and attention on both physical flows and policy responses.

Risks

  • Escalation of attacks on shipping or oil infrastructure could sharply reduce exports and push prices substantially higher, affecting the energy sector and global supply chains.
  • Further disruption to maritime traffic through the Strait of Hormuz or expanded exclusion zones could strain logistics for crude shipments and force broader rerouting, impacting shipping companies and refiners.
  • Rising oil prices increase the risk of higher inflation and could influence interest-rate policy, with consequences for broader markets and sectors sensitive to financing costs.

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