Brent Crude Oil Falls to 103.50 Dollars per Barrel on Energy Truce Claim

• Brent crude fell 1.1 percent to 103.50 dollars per barrel on October 12
• WTI eased 1.2 percent to 90.73 dollars per barrel at the start of the trading week
• United States announced energy infrastructure ceasefire effective immediately
• Russia cleared 500,000 tonnes of diesel for export on October 10 under a US agreement
• Shipping cost increases kept oil above market consensus call for fourth quarter

Global crude oil markets moved through a volatile start to the second week of October 2026, with Brent and West Texas Intermediate pulling back on signs of a possible energy infrastructure truce between Russia and Ukraine while risk premiums tied to tanker attacks near the Strait of Hormuz continued to weigh on physical supply. By the opening of trading on October 12, Brent crude fell about 1.1 percent to 103.50 United States dollars per barrel, and WTI dropped about 1.2 percent to 90.73 dollars per barrel. Both benchmarks had traded as high as 109.97 dollars per barrel on Brent earlier in the week, with the risk premium reflecting a series of military actions tied to Russia, Iran, and the Red Sea.

Policy news drove the pullback. United States officials said an energy ceasefire covering attacks on oil refineries would take effect immediately, with power plants and electrical grids potentially added later. The announcement had not been publicly confirmed by Moscow, and Kyiv reported that Russian strikes on Ukrainian power plants continued within hours of the news. Ukraine said it would halt strikes on Russian energy sites if Russia reciprocated. The announcement came only two days after the United States and Russia agreed to a diesel supply arrangement, with Russia clearing 500,000 tonnes of diesel for export on October 10 without disclosing a shipping timetable.

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The physical supply tightness that had pushed Brent above 100 dollars per barrel through late September and early October remained in place. The United States Oil Fund proxy rose about 1.91 percent to 151.03 dollars on October 12, reflecting continued hedging demand and risk premium holdings by financial players. Latin American oil equities also moved higher during the session, with YPF of Argentina gaining 3.86 percent to 51.97 dollars, Colombia's Ecopetrol rising 1.71 percent, and Petrobras adding 0.47 percent. Freight rates on major crude shipping lanes stayed well above year ago averages after a sequence of reported United States and Iranian strikes on tankers near the Strait of Hormuz through late September and the attack on a Saudi Aramco refinery on September 7.

Analysts flagged the uncertainty around how fast disrupted supply can return to normal routing. Shipping cost increases have been one of the main reasons oil has held above the market consensus call for the fourth quarter. Macroeconomic data was also set to shape positioning, with the United States September consumer price index release due on October 14, where energy costs could push headline inflation toward 3.7 percent, and the International Energy Agency governing board meeting on emergency diesel releases set for October 15.

For procurement teams in refining, petrochemicals, aviation, trucking, and marine fuel supply chains, the near term action is to confirm November and December crude oil and middle distillate cover while the market trades close to recent highs. Downstream buyers of diesel, jet fuel, and heavy fuel oil should keep rolling contracts in place as the Russia Ukraine truce news develops. Industrial consumers of naphtha and LPG should stress test their fourth quarter cost models against a scenario where Brent crude holds in the 95 to 105 dollar per barrel band through the end of the year.