Iran War Adds to Oil Tightness as Russia Waiver Expires

The geopolitical risk premium embedded in crude futures is already elevated because of the Iran war. The waiver expiration adds a second layer of uncertainty: the US is signalling that it will not relax sanctions to compensate for war-related disruptions. That makes the supply outlook more binary. If the Iran conflict escalates further, the loss of the waiver will compound the price impact.

Crude Oil and Product Spreads at Risk

The most immediate market impact will show up in refining margins and product spreads. Asian refiners that relied on Russian crude for feedstock will face higher input costs. That will squeeze gasoil and jet fuel margins, which are already under pressure from war-related demand shifts. The Dubai crude benchmark, which prices most Middle Eastern barrels sold to Asia, could strengthen relative to Brent as buyers compete for available supply.

A secondary effect is on OPEC+ strategy. The group is already managing output cuts while the Iran war disrupts production from one of its members. The waiver expiration reduces the incentive for OPEC+ to add barrels, because the US is effectively removing supply from the market. That could keep the group in a wait-and-see mode, delaying any decision to unwind cuts.

What would reduce the risk: a rapid de-escalation of the Iran conflict that restores normal shipping routes, or a new US waiver that restores the Russian oil channel. What would make it worse: an escalation of the Iran war that disrupts Strait of Hormuz transits, or a broader US sanctions crackdown that targets other Russian oil buyers. The next decision point is the US administration's stance on future waivers and the trajectory of the Iran conflict. For traders tracking crude and product spreads, the waiver expiration is a concrete catalyst that tightens an already fragile supply chain.

For more on the broader commodity landscape, see our commodities analysis and the crude oil profile.