Commodities May 18, 2026 07:47 PM

Oil Retreats After Trump Delays Iran Strike; U.S. Extends Russian Oil Waiver

Crude eases as planned U.S. military action on Iran is postponed and a 30-day extension is granted for Russian seaborne oil purchases

By Derek Hwang

Oil prices fell in early Asian trading after U.S. President Donald Trump said he had put off a planned attack on Iran while negotiations continue. Prices were further pressured after the U.S. Treasury announced another 30-day extension of a sanctions waiver permitting the purchase of seaborne Russian oil, a move intended to soften supply disruptions stemming from tensions in the Middle East.

Oil Retreats After Trump Delays Iran Strike; U.S. Extends Russian Oil Waiver

Key Points

  • WTI July futures fell 1.8% to $102.47 a barrel by 19:13 ET (23:13 GMT) after opening more than 2% lower - impacts energy markets and commodity traders.
  • U.S. President Donald Trump said a planned attack on Iran was postponed and that "serious negotiations" are taking place - relevant for geopolitical risk assessments and defense sectors.
  • The U.S. Treasury extended a sanctions waiver for seaborne Russian oil for another 30 days to offset Middle East supply disruptions - affects oil supply dynamics and import-dependent economies.

Market reaction

Oil retreated in early Asian trade on Tuesday after U.S. President Donald Trump said he had delayed a planned military strike on Iran and that "serious negotiations" were underway. By 19:13 ET (23:13 GMT), West Texas Intermediate futures for July had fallen 1.8% to $102.47 a barrel, after opening the session more than 2% lower.

Drivers behind the move

Crude prices eased primarily following Mr. Trump's announcement that he had postponed an attack that had been scheduled for Tuesday. In his post, he said Gulf countries had asked him to stand down. He cautioned, however, that the United States would carry out a "full, large scale assault of Iran" if negotiations failed to produce an agreement, and he reiterated that Iran must not possess a nuclear weapon.

Sanctions waiver and supply mitigation

Adding to downward pressure on prices, the U.S. Treasury announced on Monday another 30-day extension of a sanctions waiver that allows the purchase of Russian seaborne oil. The waiver is intended to help offset supply disruptions stemming from the conflict in the Middle East, and the Treasury's decision reversed earlier plans not to extend the exemption.

Regional supply disruptions

Market participants remain focused on physical supply interruptions related to the Iran conflict. The Strait of Hormuz was still effectively closed, disrupting roughly 20% of global crude flows. A number of Asian countries, including major importers China and India, experienced interruptions to their oil supplies as a result of the hostilities.

Recent price context

Oil had climbed sharply over the preceding two weeks amid multiple reports that the United States and Israel were weighing additional military action against Iran. The latest sequence of developments - a postponed strike, continued negotiation signals, and a temporary extension of the Russian oil waiver - combined to pull prices lower in early Asian trading.


Note: The article reports market moves and official actions as stated by public announcements and government releases.

Risks

  • If talks fail, Trump warned the U.S. could proceed with a "full, large scale assault of Iran" - risk to oil supply stability and to markets sensitive to geopolitical escalation.
  • The Strait of Hormuz remained effectively closed, disrupting roughly 20% of the world’s crude supply - ongoing shipping and logistics risk for global energy flows.
  • Uncertainty around sanctions waivers and their extensions, highlighted by the Treasury reversing earlier plans not to extend, could alter supply availability and market sentiment for energy-importing countries.

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