• Iran’s security chief says the Strait of Hormuz will remain closed and negotiations suspended until the US meets Tehran’s demands.
  • Confirmed oil transits through the chokepoint are running at just 38% of pre-war levels, keeping Brent crude near $100 a barrel.
  • Qatari-mediated talks offer a potential opening, but no breakthrough is imminent as the standoff drags into its seventh month.

Iran’s Supreme National Security Council secretary, Mohsen Rezaei, said on Monday that the Strait of Hormuz will not be reopened and negotiations with the United States will not resume until Washington accepts Tehran’s conditions, according to state media. The ultimatum, delivered through Qatari mediators, marks the latest flashpoint in a conflict that has disrupted one of the world’s most critical energy corridors for nearly seven months.

The immediate consequence is continued paralysis at the strait, which normally handles about one-fifth of global oil and gas shipments. Confirmed transits averaged 6.98 million barrels per day in the seven days through September 20, down from a pre-war baseline of 18.3 million b/d, according to shipping data. That’s a mere 38% of normal flows, leaving global supply chains scrambling to adapt.

A Conditional Offer, Not a Deal

Rezaei’s remarks, later reinforced by parliamentary speaker Mohammad Bagher Ghalibaf, came after Iran sent a list of demands to Washington via Qatar. The conditions include ending fighting on all fronts—specifically mentioning Lebanon—releasing billions in frozen Iranian assets, lifting the US naval blockade of Iranian ports, halting attacks on Iranian territory, and ending what Tehran calls US interference in its domestic affairs.

A senior Iranian official said the strait could reopen within a week if US military pressure eased and the blockade were lifted. But that remains a conditional signal, not an agreement. The two sides reportedly met through Qatari mediation in New York on September 23, though no details emerged. President Trump has framed the choice as a negotiated deal or further military action.

“What institutional investors are really focused on is regulatory stability,” said one Gulf-based energy analyst, speaking on condition of anonymity. “Here, the only certainty is uncertainty.”

Oil Markets Price a Persistent Risk Premium

Brent crude traded around $99.90 a barrel on September 23, according to market data, after Reuters reported it near $101 a barrel two days earlier. The elevated price reflects a substantial risk premium, though adaptive logistics have prevented a full-blown supply shock.

Tanker operators have resorted to ship-to-ship transfers off Oman, creating a “shuttle” system that reduces the time vessels spend in the strait. While this maintains some exports, it raises complexity, insurance costs, and operational risk. Meanwhile, Iranian crude loadings have fallen to zero so far in September, down from 893,000 b/d in July, according to Kpler data cited by CNBC. The blockade is directly squeezing Tehran’s foreign-exchange earnings—a central pillar of its bargaining position.

The disruption extends beyond crude. QatarEnergy’s CEO warned that the crisis could delay expansion projects because equipment cannot reach Qatar, and LNG output was described as “very minute.” The ripple effects touch freight, refining, and Asian energy security.

Regional and Diplomatic Fault Lines

Qatar has emerged as the primary mediation channel, connecting Iranian conditions to US officials. Gulf states, whose oil and gas exports, project supply chains, and ports are directly exposed, have a strong interest in de-escalation. The conflict is also wider than Hormuz: Rezaei’s demand for an end to war “on all fronts” ties maritime negotiations to broader US-Iran-Israel tensions.

Nuclear risks linger in the background. Rezaei said Iran remains in the Nuclear Non-Proliferation Treaty for now but did not rule out withdrawal under further pressure, including sanctions or a UN Security Council referral.

A former Pentagon official described the terms as tantamount to surrender, while analysts cited by Al Jazeera see Tehran as seeking to shift political responsibility onto Washington. The gap between the two positions remains wide.

What to Watch

In the short term, constrained transit is likely to continue, with oil volatile around elevated levels as Qatar-mediated talks test whether the sides can agree on limited de-escalatory steps. An easing of military pressure and port restrictions could enable a conditional reopening relatively quickly—perhaps within a week, according to the Iranian official. But renewed attacks or stricter enforcement of the blockade could cut remaining flows and push oil, refined-product, shipping, and insurance costs sharply higher.

Even if a deal restores navigation, buyers and producers are likely to treat Hormuz concentration risk more seriously. That could mean larger strategic inventories, diversified supply contracts, alternative pipelines, higher tanker-security costs, and a sustained risk premium for Gulf energy. The shuttle system already shows supply chains are adapting structurally—at a material cost.

A comprehensive settlement remains difficult because Iran’s demands span military, financial, sanctions, port-access, and regional-conflict issues—not merely safe passage for ships. For now, the strait remains a bargaining chip, and global energy markets are left to navigate the uncertainty.

Correction: A previous version of this article misstated the date of the reported US-Iran meeting in New York. It took place on September 23, not September 21.