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International Relations28 Sep 2026 · about 7 min

Mediators reportedly continue work with Iran, US toward likely deal

The brief

Mediators are trying to turn a temporary end to the Iran-U.S. war into a broader trade. The immediate goal is reopening the Strait of Hormuz and ending fighting on all fronts, including Lebanon. This matters because the conflict has damaged both economies and disrupted global energy markets. Under the draft, Iran would reopen the strait under a separate arrangement discussed with Oman. Shipping would face no tolls. The United States would lift its blockade of Iranian ports and then remove sanctions. Washington is also seeking Iranian nuclear concessions, including access for international inspectors. Iran has proposed starting the reopening process within seven days after U.S. acceptance. The agreement remains unsettled. President Trump publicly rejected Tehran’s latest proposal, but officials said Washington had not formally rejected the working draft. Mediators reported slight progress while trying to soften both sides’ positions. The final deal could therefore depend on whether nuclear inspections and the sequence of sanctions relief can be settled.

01

What deal are mediators trying to negotiate between Iran and the United States, and what would each side give up or receive?

Mediators are trying to turn a temporary end to the Iran-U.S. war into a broader trade. The immediate goal is reopening the Strait of Hormuz and ending fighting on all fronts, including Lebanon. This matters because the conflict has damaged both economies and disrupted global energy markets.

Under the draft, Iran would reopen the strait under a separate arrangement discussed with Oman. Shipping would face no tolls. The United States would lift its blockade of Iranian ports and then remove sanctions. Washington is also seeking Iranian nuclear concessions, including access for international inspectors. Iran has proposed starting the reopening process within seven days after U.S. acceptance.

The agreement remains unsettled. President Trump publicly rejected Tehran’s latest proposal, but officials said Washington had not formally rejected the working draft. Mediators reported slight progress while trying to soften both sides’ positions. The final deal could therefore depend on whether nuclear inspections and the sequence of sanctions relief can be settled.

02

What is the Strait of Hormuz, and why is reopening it central to the proposed deal?

The Strait of Hormuz is a narrow waterway between Iran and Oman. It connects the Persian Gulf, where many major oil exporters are located, with the Gulf of Oman and the wider Arabian Sea. Tankers and other commercial vessels use it to enter or leave the Gulf. Its geography makes it strategically important and difficult to replace quickly.

The article says Iran has attacked ships there while the United States maintains a naval blockade of Iranian ports. The proposed agreement would manage traffic temporarily through a separate Iran-Oman arrangement. It would reopen the strait without tolls, addressing a condition Tehran has pursued.

Reopening matters beyond Iran and the United States. Safe passage could lower pressure on oil markets, help restore shipping, and reduce attacks across the region. Yet the arrangement remains fragile. Yemen’s Iran-backed Houthis are threatening the Bab el-Mandeb Strait, another major route, so reopening Hormuz alone may not end wider supply risks.

03

How much of the world's oil supply normally passes through the Strait of Hormuz?

The Strait of Hormuz normally carries about one-fifth of global oil supply, or roughly 20 million barrels per day in commonly cited recent estimates. The exact share changes with worldwide production, consumption, and shipping patterns. This figure is based on established energy-market estimates, not a number provided in the article.

The route is crucial because major exporters, including Gulf states, depend on it to reach customers in Asia, Europe, and elsewhere. Much of this petroleum cannot be moved quickly through alternative routes at the same scale. Even fears of interruption can affect prices before physical shortages appear.

That exposure explains the article’s warning signs. Brent crude was above $108 while fighting continued, and the United States was suffering from high oil prices. If traffic remains restricted, buyers may compete for fewer available cargoes. A deal that restores predictable passage could therefore calm markets, although threats near Bab el-Mandeb would continue creating risks.

04

What happens to oil prices, shipping, and regional economies when fighting or a blockade disrupts traffic through the strait?

When fighting or a blockade threatens Hormuz, tankers may delay voyages, seek escorts, or avoid the route. Insurers can raise premiums, and shipping companies may charge more for the added danger and distance. These costs eventually reach fuel users, manufacturers, and households. Markets can react even before a complete closure because traders price in possible shortages.

The article gives a clear example. Iran’s attacks on ships and the U.S. naval blockade helped push Brent crude above $108. Higher oil prices hurt the United States, while Iran suffered from blocked ports and restricted oil sales. Regional countries also faced missile and drone attacks, adding security and economic costs.

A prolonged disruption could reduce export revenue for Gulf producers, raise transport and food costs worldwide, and weaken economies dependent on imported energy. Reopening the strait could reverse some pressure, but the article notes that fighting near Yemen’s Bab el-Mandeb Strait is creating another threat to shipping and global markets.

05

What alternative routes or waterways could ships use if the Strait of Hormuz remains closed, including the Bab el-Mandeb Strait?

If Hormuz stays closed, tankers can sometimes use overland pipelines that bypass the strait. Saudi Arabia’s East-West pipeline reaches the Red Sea, and the United Arab Emirates has a pipeline to Fujairah on the Gulf of Oman. These routes can move some oil, but their capacity is limited and they do not replace all maritime traffic.

Ships carrying cargoes that cannot use pipelines might sail around the Arabian Peninsula. A route through the Red Sea and Suez Canal can connect with European markets, but it requires passage through Bab el-Mandeb. Ships could also take longer routes around Africa. Those detours consume more fuel and time and raise insurance costs.

The article says Iran-backed rebels in Yemen now threaten Bab el-Mandeb, the Red Sea’s southern entrance. That makes the main maritime alternative less secure. Consequently, keeping Hormuz closed would leave exporters and buyers with slower, costlier, and politically vulnerable choices rather than one simple substitute.

06

Why are Qatar and Oman involved as mediators, and what role can mediators play when Iran and the United States are not negotiating directly?

Qatar and Oman are involved because regional mediators can communicate with both Iran and the United States without requiring the two governments to meet openly. The article specifically identifies Qatar as the mediator in the current effort. Oman is discussing a separate arrangement with Iran for managing traffic through Hormuz. Their regional position and diplomatic channels make them useful go-betweens.

Mediators can pass proposals, clarify conditions, and identify where compromise may be possible. They can also help sequence actions, such as reopening the strait first, lifting the U.S. blockade, and removing sanctions afterward. In this case, officials said mediators were trying to “soften” both sides’ positions and reported slight progress.

Mediation cannot force an agreement. The United States still wants nuclear concessions, including inspections, while Iran wants rapid relief from the blockade and sanctions. Public statements may also be negotiating tactics. The process therefore depends on mediators turning indirect messages into commitments both governments will accept and implement.

07

What are economic sanctions and naval blockades, and how can they restrict a country's oil sales, money, and access to international trade?

Economic sanctions are restrictions imposed by governments on a country, companies, banks, or individuals. They may ban oil purchases, freeze assets, block financial transfers, or deny access to technology and insurance. A naval blockade is a physical effort to stop ships from entering or leaving ports. Sanctions target transactions; a blockade targets movement, although both can reinforce each other.

The article says Iran faces a U.S. naval blockade, frozen assets, and growing sanctions that bottle up its oil sales. If tankers cannot reach ports, Iran cannot ship cargoes normally. If buyers or banks fear penalties, they may refuse Iranian oil even when ships are available. Iran then earns less foreign currency and has less access to imports.

These measures also create wider effects. Iran’s economy suffers, while the United States faces higher oil prices when supply is disrupted. The proposed deal would lift the blockade and eventually remove sanctions, but Washington is seeking nuclear concessions first. That sequence makes economic relief a central bargaining tool.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

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