Hormuz is Iran's leverage — and Trump just rejected the only deal that could unblock it

The 125 ships that never came

Before the war broke out in February, roughly 130 commercial vessels transited the Strait of Hormuz every single day. Last Tuesday, five crossed. That is not a disruption. That is a blockade dressed in diplomatic language.

Iran has now attached conditions to reopening that waterway that go far beyond itself. Mohsen Rezaei, secretary of Iran’s Supreme National Security Council, told Al Manar TV that any understanding with Washington must include an end to military operations in Lebanon, Gaza and Syria. Israel must withdraw from Lebanon. It must stop attacking Syria. The Gaza conflict has to conclude. And the U.S. has to “prove its seriousness” before any new trust can be established.

In other words, Hormuz is no longer just a shipping lane. It is a hostage to the entire regional architecture of conflict that has been simmering since October 2023.

The June deal is dead

The more immediate surprise, though, is coming from Washington. According to a Wall Street Journal report on Thursday, the Trump administration has abandoned the framework of the memorandum of understanding it reached with Iran back in June. The deal had established a temporary corridor arrangement’‘a narrow but functional pathway for commercial traffic that both sides had agreed to honor.

Trump is reportedly no longer interested in returning to those terms. Instead, his administration is leaning harder into economic pressure’‘a campaign Defense Secretary Pete Hegseth’s deputy for strategic communications called an “economic D-Day” launched on Monday. The message to third countries is blunt: do business with Iran and you will face consequences.

The shift is significant. The June deal had offered Iran a diplomatic off-ramp’‘a way to de-escalate while preserving some economic lifelines. Walking away from it signals that Washington believes coercion, not negotiation, is the faster path to compliance. Whether that belief is justified is the question no one in the administration has answered publicly.

The numbers don’t lie

Admiral Brad Cooper, commander of U.S. Central Command, posted a video Thursday crediting his forces with clearing mines from the strait and citing the transit of approximately 1,500 commercial vessels carrying 750 million barrels of crude over the past several months. “Today, international shipping lanes are open, and momentum is building,” Cooper said.

The Kpler data tells a different story. Five ships. On a Tuesday. In a strait that used to handle 130 per day.

This is not a minor variance. The Hormuz Strait carries roughly 21 million barrels of oil per day’‘about a fifth of global petroleum consumption. When traffic drops to 5 vessels, the market does not gently adjust. It panics. Insurance premiums spike. Forward curves steepen. Refineries that depend on Gulf supply scramble for alternatives that may not exist at scale.

Oman had floated a proposal for a temporary joint shipping route through the strait, alongside a mine-clearance mission, in recent discussions with Iran. The United States claims it has handled the mining threat independently. But regardless of who cleared the mines, the real obstacle is political’’not maritime.

Who wins, who loses

Iran wins if the West caves on its regional demands. Rezaei’s framing is deliberate: Hormuz cannot be separated from Lebanon, Gaza and Syria. That means even if the U.S. relents on sanctions, Tehran can legitimately insist that Israel withdraw from southern Lebanon and halt strikes on Syrian territory before any meaningful reopening occurs. It is a masterstroke of linkage diplomacy’‘using the world’s most vital energy chokepoint to extract concessions on multiple fronts simultaneously.

The Trump administration loses credibility either way. If it returns to the June deal, domestic critics will argue it rewarded Iranian brinkmanship. If it holds firm on economic pressure while shipping remains near-zero, it cannot point to tangible results’‘because the data shows the pressure is not yet forcing a reopening. The “economic D-Day” campaign may raise the cost of doing business with Iran, but it does not, by itself, open the strait. Iran has lived under sanctions for decades. The marginal pain of additional secondary sanctions is measurable’‘but so is Iran’s capacity to absorb it.

Europe and Asia lose the most. Refineries in India, South Korea and Japan that rely on Hormuz-supplied crude are watching their supply chains frayer with each passing week. The alternatives’‘Suez-bound tankers, longer routes around Africa, pipeline redirects’‘are expensive and limited. There is no surge capacity sitting idle waiting to replace a blocked chokepoint.

Israel’s military campaigns in Lebanon and Syria are indirectly funded by Iran’s calculus here. Every strike on Syrian territory or operations in southern Lebanon gives Tehran another reason to keep the strait closed. The linkage Rezaei described is not rhetoric’‘it is a operational strategy.

What happens next

The immediate risk is that the gap between Washington’s economic pressure campaign and Tehran’s political demands widens further before any bridge is built. The June deal framework at least provided a known reference point’‘a set of terms both sides had previously accepted. Abandoning it removes that anchor without replacing it with anything concrete.

A likely trajectory: economic pressure will persist, shipping will remain depressed, and some form of backchannel negotiation will eventually resume’—not because either side is eager, but because the status quo is unsustainable for everyone except Iran, which has already priced the worst case into its budget.

The timing matters. If the Trump administration waits too long to re-engage diplomatically while the economic campaign produces no visible breakthrough, the window for a managed de-escalation narrows. Markets price in uncertainty long before policymakers do. The next spike in forward oil curves will not wait for a press conference.

Hormuz is not just a strait. It is a barometer. And right now, the reading is alarming.