Oil slides as U.S.-Iran deal may free one-fifth of global supply

Crude oil prices declined in early Asian trading Wednesday after signs emerged of a potential U.S.-Iran peace deal that could reopen the Strait of Hormuz, a waterway handling one-fifth of global oil supply.

"President Trump has canceled plans for further strikes and indicated a peace agreement has been approved," said Bob McNally, president of Rapidan Energy Group and a former White House official. "The market is now pricing in the possibility of Iranian barrels returning to the market."

The Strait of Hormuz typically carries about 20 million barrels of crude and refined products per day, equivalent to roughly one-fifth of global consumption. Iran has been a key player in regional tensions that have periodically threatened the waterway's accessibility. The potential reopening comes as OPEC+ has already been managing supply levels while demand growth remains uncertain.

If a peace deal materializes and sanctions on Iranian oil exports are lifted, an additional 1 million to 1.5 million barrels per day could enter global markets, according to industry estimates. That would pressure crude prices further and complicate OPEC+ efforts to maintain price floors, with the group's next production meeting scheduled for later this quarter.

The decline in crude extends a period of volatility for oil markets, which have swung between geopolitical risk premiums and demand concerns. WTI crude and Brent crude both moved lower in early Asian trade, with traders citing the diplomatic signals as the primary catalyst. The move lower accelerated after Trump's comments crossed news wires, with selling concentrated in the front-month contracts.

The development marks a sharp reversal from just days earlier, when the U.S. and Iran exchanged strikes that had threatened to escalate into a broader conflict. Those strikes had pushed Brent above $80 per barrel as traders priced in the risk of a prolonged disruption. Trump's decision to cancel further military action and pursue a diplomatic track has rapidly shifted the supply outlook, unwinding much of that risk premium within a single trading session.

Iran's Potential Output and Market Impact

Iran currently produces about 3.2 million barrels per day, according to OPEC data, with roughly 1.5 million barrels per day exported despite existing sanctions. A full lifting of restrictions could add 500,000 to 1 million barrels per day of additional supply within six months, analysts estimate. The last time Iranian exports were restored following a diplomatic agreement was after the 2015 Joint Comprehensive Plan of Action, when output rose by roughly 1 million barrels per day over 18 months. Brent crude prices declined by about 30% from pre-deal levels during that period before stabilizing.

For oil-importing nations, particularly in Asia, a reopening of the Strait of Hormuz would reduce shipping costs and insurance premiums that had risen during the period of heightened tensions. Japan, South Korea, and India are among the largest buyers of Middle Eastern crude that transits the waterway, collectively importing more than 10 million barrels per day from the region. Lower crude prices would also provide relief to central banks in these economies by reducing imported inflation pressures.

The shift in U.S. policy also has implications for OPEC+ strategy. The producer group, led by Saudi Arabia and Russia, has maintained production cuts of about 2 million barrels per day through 2025 to support prices. The potential return of Iranian barrels could force the group to extend or deepen those cuts at its next meeting, or accept lower prices to maintain market share. Saudi Arabia has historically acted as the swing producer in such scenarios, adjusting its output to balance the market.

This article is for informational purposes only and does not constitute investment advice.