TL;DR

Iran has formally sent its peace proposal response to mediator Pakistan, with the current phase focused on ending hostilities and reopening the Strait of Hormuz. As of 2:15 p.m. UTC on Sunday, May 10, no deal has been confirmed. The week ahead is critical: Trump is due to visit China, oil inventories are draining at a record pace, and drone attacks against Gulf shipping continued through the weekend. Markets will be repricing the probability of a Hormuz deal when futures open.

What Happened

Iran's IRNA news agency confirmed Sunday that Tehran sent its formal response to a US proposal aimed at ending the more than two-month war to Pakistan, the designated mediator. According to a source familiar with the matter, the current phase of negotiations will focus exclusively on the cessation of hostilities.

Two separate carriers were also allowed through the Strait of Hormuz on Sunday: Qatar Energy's LNG tanker Al Kharaitiyat -- the first Qatari vessel to cross the strait since the US and Israel started the war on February 28 -- and a Panama-flagged bulk carrier bound for Brazil. Both transited using Iran's designated northern route hugging the Iranian coast.

The peace response came alongside continued instability. The UAE reported intercepting two drones from Iran on Sunday. Qatar condemned a drone attack that set a cargo vessel ablaze in its waters. Kuwait said its air defenses dealt with hostile drones in its airspace. Saudi Aramco's CEO said the Hormuz opening was "no quick fix" even as Aramco reported a 25% jump in Q1 profit, boosted by higher oil prices and full East-West pipeline capacity utilization.

The peace effort carries added urgency because US President Trump is due to begin a visit to China this week. That trip has created mounting pressure on both sides to show diplomatic momentum before the summit begins.

Iran-US War Context

The conflict began on February 28, 2026, when US and Israeli forces struck Iran. A ceasefire took effect around April 8, but it has been strained repeatedly by clashes in the strait. On May 7, the US and Iran traded fire in the Strait of Hormuz -- each side claimed the other shot first. Trump called it a "love tap" on Truth Social. The ceasefire remains nominally intact, but shipping disruption is ongoing. Non-Iranian traffic through Hormuz has been largely blocked for over 10 weeks, cutting off roughly one-fifth of global oil supply and more than 12% of global LNG supply.

Sunday's LNG transit and the submission of Iran's peace response are the most concrete diplomatic signals since the ceasefire was declared.

Why This Matters for Markets

The Strait of Hormuz (the world's most critical oil and gas chokepoint) has been largely closed to non-Iranian shipping since late February. That closure:

  • Sent Brent crude up 10-13% in early trading when the war began, with analysts warning of $100+ per barrel scenarios.
  • Has been draining global oil inventories at an unprecedented pace, according to Bloomberg and industry analysis.
  • Is pushing fuel inflation higher in the US and across Asia and Europe.
  • Has raised fertilizer prices, disrupting global food supply chains.

A credible peace framework -- even a temporary MOU halting hostilities -- could trigger a sharp reversal in oil and LNG futures. Conversely, a breakdown in talks or an escalation in drone attacks would renew upward pressure on energy prices and weigh on risk assets globally.

Implications by Trader Cohort

Oil and Energy Futures Traders: Brent and WTI are the primary instruments to watch. Any confirmed deal or progress toward an MOU is likely to produce a meaningful sell-off in crude as traders price in partial Hormuz reopening. Aramco's warning that the opening is "no quick fix" signals the supply restoration will take time, limiting the downside even in a deal scenario. Volatility is expected to remain elevated.

Natural Gas and LNG Traders: The Qatar LNG transit is the first direct sign that Hormuz can pass non-Iranian energy exports. European and Asian LNG spot prices have been elevated throughout the crisis. A sustained reopening pipeline could ease prices materially, particularly for Asian importers such as Pakistan and Japan.

US Equity and Index Futures Traders: The S&P 500 has maintained a strong run through the war, supported by a blowout earnings season. A peace deal would likely be read as a macro tailwind -- lower energy costs, reduced inflation pressure, and potential Fed flexibility. Energy sector names (Aramco, Chevron, ExxonMobil) and shipping stocks would face sector-level repricing in either direction. Volatility futures (/VX) may compress on deal progress.

Crypto Traders: Bitcoin has shown high correlation with the S&P 500 during risk-on periods in this cycle. A confirmed deal reducing geopolitical risk would likely be supportive for BTC. Watch whether crypto follows equities on Monday open or decouples.

Potential Positives vs Negatives

Potential positives:

  • Iran formally engaging with the US peace proposal signals that both sides want an exit ramp -- reducing the tail risk of full military escalation.
  • The Qatar LNG transit, explicitly approved by Iran as a confidence-building measure, shows limited functional capacity for diplomatic signaling exists even during active hostilities.
  • Trump's China visit creates a political incentive for a rapid deal -- a Hormuz resolution before or during the Beijing summit would be a major foreign policy win for Trump.
  • Lower oil prices from a deal would reduce US pump prices, providing a domestic economic boost and potentially softening the inflation picture ahead of key CPI data this week.

Potential negatives:

  • Iran's response focuses only on cessation of hostilities. The harder issues -- Iran's nuclear program, financial sanctions relief, and long-term shipping guarantees -- remain unresolved and are likely to complicate or delay a final deal.
  • Drone attacks against Gulf shipping continued Sunday, even after the LNG transit. This signals that Iran has not stood down its proxy or irregular forces pending a formal agreement.
  • Aramco's CEO explicitly said the Hormuz opening would be "no quick fix," which means energy supply restoration will lag even if talks succeed, keeping oil prices elevated for weeks.
  • If Iran's response is rejected or talks collapse, the ceasefire could fully unravel, driving oil back toward -- or above -- the $100 per barrel level that analysts have flagged as the escalation scenario.

What Could Happen from Here

Base Case (55%): Slow diplomatic progress, markets in wait-and-see mode. Iran's peace response is seen as constructive but vague. Pakistan forwards it to the US, back-channel negotiations begin, and markets trade in a range. Oil remains elevated but does not spike further. The Trump-Xi summit proceeds without a concrete Hormuz deal being announced. This scenario keeps energy prices high but does not add material new risk. Confirmed by: no escalation in drone attacks in the next 48 hours; continued trial ship transits through the strait.

Upside Case (25%): A deal or MOU is announced before or during the Trump-Xi summit. Both sides sign a temporary memorandum to halt hostilities and allow unrestricted shipping. Brent crude falls sharply -- potentially 5-10% intraday. US equity futures rally on lower energy costs and reduced inflation expectations. LNG spot prices ease. The S&P 500 builds on its recent record run. Bitcoin and risk assets broadly benefit from risk-on repricing. Confirmed by: formal joint announcement from US/Iran via Pakistan; sustained increase in non-Iranian shipping through Hormuz; no new drone attacks on Gulf ships.

Downside Case (20%): Talks collapse or ceasefire breaks down further. Iran's response is deemed unacceptable, talks stall, and a fresh exchange of fire in the strait triggers a full ceasefire breakdown. Oil rallies sharply toward $100 or higher. US equity futures drop on renewed energy shock and inflation fears. The Trump-Xi summit is disrupted or delayed. Market volatility spikes. Confirmed by: US or Israeli military action against Iran after the ceasefire breaks; major shipping attack on a large tanker or gas carrier in the strait; Trump statements indicating talks have failed.

What to Watch Next (24-48 Hours)

  • Pakistan's response relay: Will Islamabad confirm it has received Iran's response and passed it to Washington? Any official statement from Pakistan's foreign ministry is key.
  • US official reaction: Watch for statements from the White House or State Department on whether Iran's response is considered a basis for talks. Secretary Rubio met the Qatari PM on Saturday.
  • Drone attack activity: Any additional attacks on Gulf shipping Sunday night or Monday would signal Iran has not restrained its forces and complicate the diplomatic track.
  • Hormuz transit count: Were the two Sunday transits a one-off or the start of a sustained reopening? Additional non-Iranian vessels crossing the strait would confirm confidence-building is working.
  • US CPI (Tuesday, May 12): Energy-driven inflation data will reinforce or soften the Fed's calculus and affect how markets price the macro outlook tied to a Hormuz resolution.
  • Trump-Xi summit timing: Any announcement that the summit has been accelerated, confirmed, or delayed will be a proxy signal for how the Iran talks are progressing behind closed doors.

Sources

FAQ

What does "cessation of hostilities" mean in the Iran-US context?
It refers to a temporary stop-fighting agreement -- not a full peace treaty. The goal is a brief pause to allow Hormuz shipping to resume while the harder issues (Iran's nuclear program, sanctions, compensation) are negotiated separately.

What happens to oil prices if Hormuz fully reopens?
A full reopening would likely ease Brent crude by $10-20 per barrel from elevated levels as global supply constraints ease. However, inventory drawdowns will take weeks or months to reverse, so any price decline would be gradual rather than immediate.

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Header image source: pexels by Mikhail Nilov. License: PEXELS.