US Floats Iran Sanctions Waiver, Brent Tumbles $9

Brent crude futures swung wildly on Monday after Iranian state media reported the United States had offered a temporary waiver of oil sanctions during ongoing negotiations to end the war with Israel. The front-month ICE Brent contract traded above $111 per barrel before sliding toward $102 in early European hours, the steepest intraday reversal since the Strait of Hormuz crisis began in late February.

Iran's semi-official state media outlet said the latest US proposal accepts a waiver of OFAC sanctions on Iranian crude until a final understanding is reached, citing a source close to the Iranian negotiating team. Washington has not confirmed the offer publicly. President Donald Trump said Sunday the clock is ticking for Tehran to accept a deal, while a senior US official warned of a conversation through bombs if negotiations stall.

Barakah Nuclear Strike Caps Weekend of Drone Attacks

The price action came against a backdrop of fresh weekend escalation. A drone hit an electrical generator outside the inner perimeter of the Barakah Nuclear Power Plant in the UAE's Al Dhafra Region on Sunday, the Emirates Nuclear Energy Corporation said. The plant remained safe, with no radioactive release and radiological safety levels unaffected, the operator confirmed. Saudi Arabia separately intercepted three drones that entered its territory from Iraqi airspace, the Saudi defense ministry said.

Both incidents drew swift condemnation from regional governments and the International Atomic Energy Agency. The UAE said it reserved the right to respond to what officials called terrorist attacks, and that an investigation into the source of the strike was underway. Iran has denied responsibility for both incidents.

Hormuz Math: What a 1.6 mbpd Iranian Return Would Mean

Iran's pre-war crude exports averaged roughly 1.6 million barrels per day in late 2025, almost all flowing to Chinese teapot refiners under sanctions-evasion arrangements. A temporary OFAC waiver would not unlock new barrels in the immediate sense, but it would legalize existing flows and remove the discount Iranian sellers were granting to absorb sanctions risk. That discount has been running at $7 to $11 per barrel below dated Brent on Asian delivered cargoes since early March.

Oil Authority cross-referenced two metrics not addressed in the source wires. The International Energy Agency cut its 2026 oil demand forecast by 420,000 barrels per day last week, citing approximately 14 million barrels per day of Middle East crude currently constrained by the Strait of Hormuz disruption. Reinstating Iran's 1.6 mbpd of exports would offset roughly 11 percent of that constrained supply, far short of what is needed to fully rebalance the market but enough to ease the squeeze on global gasoline and jet fuel inventories that Saudi Aramco chief Amin Nasser warned could reach critically low levels ahead of summer driving season.

The forecast spread on Brent for the second half of 2026 remains the widest of any major commodity. JPMorgan analysts said Brent could reach $150 per barrel if the strait stays shut into June, while Goldman Sachs has a Q4 2026 base case of $90 per barrel assuming a negotiated reopening. Both forecasts predate the OFAC waiver report and are covered in our prior coverage at JPMorgan and Goldman Brent forecasts.

What to Watch

The next signal will come from any official confirmation or denial out of Washington. A negotiated waiver would imply the US accepts a phased, sanctions-light path to ending the war, paired with constraints on Iran's nuclear and ballistic missile programs and freedom-of-navigation guarantees through the Strait of Hormuz. The OPEC+ group last met on May 3 and agreed a 188,000 bpd June production hike that members concede is largely theoretical given Hormuz constraints, as covered in our analysis at OPEC+ June hike coverage. The next OPEC+ ministerial is scheduled for June 1.

For traders, the working hypothesis is binary. Either the waiver is real and Iranian barrels flow within a contracted window, or it is a leak intended to pressure Tehran ahead of Trump's deadline. The $9 per barrel swing on Monday morning shows the market is positioned for either outcome and is unwilling to take a directional view until Washington responds.