Oil prices surged sharply Thursday, with Brent crude briefly reclaiming the psychologically important $100 per barrel threshold after attacks on tankers intensified concerns about prolonged supply disruptions amid the escalating Iran conflict. The rally persisted despite the International Energy Agency's announcement of record strategic reserve releases aimed at stabilizing volatile energy markets.
Benchmark Prices Rally on Supply Concerns
Brent oil futures, the international benchmark, climbed 7.2% to $98.56 per barrel by 08:42 ET (12:42 GMT), after briefly touching $100.23 in early trading. The move marks a significant recovery from recent lows, though prices remain below the near-$120 peaks reached earlier in the week when the crisis initially erupted.
U.S. West Texas Intermediate (WTI) crude futures followed suit, advancing 7.1% to $93.38 per barrel, maintaining a wider-than-normal discount to Brent that reflects ongoing logistical challenges in global oil distribution networks.
"The evolving situation is keeping a significant geopolitical risk premium embedded in energy markets," Laurence Booth, Global Head of Markets at CMC Markets, told market participants in a morning briefing. The risk premium, estimated at $15-20 per barrel by various analysts, reflects ongoing uncertainty about the duration and scope of the current disruptions.
Tanker Attacks Escalate Maritime Risk
Thursday's price surge followed reports of coordinated attacks on multiple oil tankers attempting to navigate alternative routes around the contested Strait of Hormuz. Maritime insurers have dramatically increased war risk premiums for vessels operating in the region, with some carriers suspending coverage entirely for ships transiting through high-risk zones.
The attacks have forced major shipping companies to reroute vessels around the Cape of Good Hope, adding approximately 14 days to typical delivery times and significantly increasing transportation costs. Industry estimates suggest the longer routes could add $3-5 per barrel to delivered crude costs for Asian refiners, the world's largest oil consumers.
Lloyd's of London reported that marine war risk premiums for Gulf transits have surged to 2.5% of hull value, up from 0.05% before the crisis began. This dramatic increase translates to millions of dollars in additional costs for each voyage, effectively pricing many smaller operators out of the market.
IEA Coordinates Historic Reserve Release
In response to the mounting supply crisis, the International Energy Agency announced the release of 400 million barrels from member countries' strategic petroleum reserves—the largest coordinated release in the agency's history. The United States will contribute 180 million barrels over six months, with European Union members, Japan, and South Korea providing the remainder.
"This unprecedented release demonstrates our collective commitment to energy security and market stability," IEA Executive Director Fatih Birol stated at an emergency press conference in Paris. "We are prepared to take additional measures if circumstances warrant."
However, market participants expressed skepticism about the effectiveness of the reserve releases given the scale of the disruption. With approximately 20 million barrels per day of oil flow potentially affected by the Strait of Hormuz closure, the announced releases would replace lost supplies for only 20 days at maximum disruption levels.
Production Adjustments Ripple Through Markets
Regional producers continue to struggle with the logistics of the crisis. Saudi Aramco has been forced to reduce production at several facilities due to storage constraints, with tanks at the Ras Tanura terminal—the world's largest oil shipping facility—reported at near capacity. Kuwait and the UAE have implemented similar production curtailments.
Iraq's oil ministry announced Thursday that southern oil exports have fallen to just 1.1 million barrels per day, down from 3.5 million before the crisis. The Basra Oil Terminal, which typically handles the bulk of Iraq's exports, is operating at less than 30% capacity due to tanker shortages and security concerns.
Industry sources report that floating storage has increased dramatically, with over 150 million barrels of oil currently held on tankers unable to discharge their cargoes. This floating inventory represents both a near-term supply constraint and a potential source of price pressure once shipping routes normalize.
Refinery Operations Under Pressure
Global refining margins have compressed significantly as facilities struggle to secure reliable crude supplies. European refineries, particularly those configured for Middle Eastern grades, are operating at reduced rates or have switched to more expensive alternative crudes.
Asian refiners face the most acute challenges, with Japanese and South Korean facilities reporting inventory draws approaching critical levels. China's independent refiners, known as "teapots," have largely suspended spot market purchases, relying instead on term contracts and domestic production.
U.S. Gulf Coast refineries have benefited from the disruption, with crack spreads—the difference between crude oil and refined product prices—widening to the highest levels since 2022. However, industry executives caution that sustained high prices could trigger demand destruction, particularly in price-sensitive emerging markets.
Central Banks Monitor Inflation Impact
The oil price volatility has reignited inflation concerns among central bankers globally. The European Central Bank warned Thursday that sustained energy price increases could complicate its monetary policy normalization plans, while the Federal Reserve indicated it is closely monitoring energy market developments.
Goldman Sachs economists estimate that every $10 per barrel increase in oil prices that persists for a year adds approximately 0.3 percentage points to global inflation. With oil prices having risen nearly $40 from recent lows, the inflationary impulse could prove substantial if current levels persist.
Emerging market economies face particular vulnerability, with many still recovering from previous energy price shocks. The International Monetary Fund warned that sustained high oil prices could trigger balance of payments crises in import-dependent nations, potentially requiring emergency financial assistance.
Market Technicals Signal Further Volatility
Technical analysis suggests oil markets remain vulnerable to sharp price swings in either direction. The 14-day relative strength index for Brent crude has entered overbought territory above 70, typically a signal of potential near-term consolidation or pullback.
However, options markets continue to price in substantial upside risk, with the cost of call options strikes at $120 per barrel remaining elevated despite Thursday's rally. The futures curve maintains a steep backwardation, with front-month contracts trading at significant premiums to longer-dated deliveries—a classic sign of immediate supply tightness.
Trading volumes have surged to record levels, with the Intercontinental Exchange reporting that Brent futures volume exceeded 2 million contracts on Thursday, more than double the 30-day average. The increased participation reflects both hedging activity by commercial participants and speculative positioning by financial investors.
Geopolitical Dynamics Remain Fluid
Diplomatic efforts to resolve the crisis continue behind the scenes, though public statements from involved parties suggest significant gaps remain. Iran maintains its position that any resolution must include the complete withdrawal of foreign military forces from the region and the lifting of all economic sanctions.
The U.S. State Department confirmed that indirect negotiations through intermediaries are ongoing but characterized progress as "limited." European Union foreign policy chief Josep Borrell is scheduled to visit regional capitals next week in an effort to broker a diplomatic solution.
Military analysts note that the current situation represents one of the most serious threats to global energy security since the 1990-1991 Gulf War. The involvement of multiple regional powers and the strategic importance of the Strait of Hormuz create a complex matrix of interests that will likely require extended negotiations to resolve.
Near-Term Outlook: Sustained Elevation Likely
Energy market analysts expect oil prices to remain elevated and volatile in the near term, with a sustainable return below $90 per barrel unlikely until concrete progress emerges on reopening the Strait of Hormuz. JPMorgan's commodity research team raised its Q2 2026 Brent forecast to $105 per barrel, citing "persistent geopolitical risk and structural supply constraints."
The investment bank also warned that prices could spike toward $130 per barrel if the current situation deteriorates further or if additional supply disruptions emerge. Conversely, a diplomatic breakthrough could trigger a sharp selloff, potentially pushing prices back toward $80 per barrel.
As Thursday's trading session progressed, Brent crude settled at $98.56, holding most of its intraday gains. Market participants are now focused on Friday's emergency OPEC+ meeting, where producers are expected to discuss potential production increases from members with spare capacity. However, with most Gulf producers already constrained by infrastructure limitations, the group's ability to offset current disruptions appears limited.