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The Strait of Hormuz is both a weapon and a trap. Iran can threaten one of the world’s most important oil routes, while America can punish Iran for doing so. Yet neither side can achieve its real goal through force: Washington cannot bomb the waterway open, and Tehran cannot earn money from a passage that ships are too frightened to use.

A deal built on ambiguity

The immediate crisis began with a preliminary agreement that was supposed to end the Gulf war and restore commercial traffic through Hormuz. Less than a month later, Iran and America were again exchanging limited strikes, the United States had restored its blockade of Iranian shipping and tanker traffic had fallen sharply.

The agreement’s central promise was too vague. Iran undertook to arrange safe passage for commercial vessels, but Washington interpreted that as a commitment to remove mines and reopen the strait. Tehran claimed the wording also gave it a right to administer traffic. That disagreement matters because mines have made the usual deep-water corridor dangerous. Ships can try an alternative route through Omani waters, escorted by the American navy, but Iran says that passage is closed too. Shipowners do not need a formal closure notice; the credible risk of attack is enough to keep them away.

The economic reaction was becoming visible. Only 11 vessels crossed on July 12th, down from 36 a week earlier. Brent crude briefly reached \$87 a barrel before easing to \$84.50, still 17.2% above its level on July 6th. The dispute was therefore turning an imprecise diplomatic formula into a physical bottleneck for trade.

Force offers no clean exit

America’s apparent options are mostly variations on failure. Continuing limited strikes is unlikely to change Iran’s calculations: more than 300 attacks over seven nights had produced no shift in behaviour, after weeks of heavier American and Israeli bombing had already shown the limits of coercion. Escalating against bridges, power stations or the Kharg oil terminal would invite retaliation against Gulf infrastructure and could widen the war without reopening a strait hundreds of kilometres away. A ground campaign is politically implausible.

Renewing the blockade is less dramatic but merely restores the pressure contest that produced the flawed agreement in the first place. If Iran responds with larger attacks on Gulf states, Donald Trump would face an ugly choice between retreat and a much broader conflict. Nor is a multinational rescue likely. Britain and France may help Oman clear mines, but renewed fighting discourages countries from sending warships. Germany, Japan and Gulf governments are hesitant, and China has done little beyond urging Iran to reopen the route.

Iran is also cornered. The war inflicted an estimated \$270bn in damage on an economy already weakened by sanctions and mismanagement. The regime needs sanctions relief and oil revenue, but its hardliners fear that giving up direct control of Hormuz would sacrifice leverage. The article argues that they misunderstand the source of that leverage. Iran’s long-range missiles and drones already give it the ability to threaten the strait in a future conflict. Formal control of daily traffic is valuable only if Tehran can exchange it for concrete economic benefits.

Those benefits are disappearing. Iran cannot collect tolls in peacetime without Oman’s co-operation, and much of the oil it exported after the agreement remains unsold because Chinese refiners are buying discounted crude from Arab producers instead. Keeping Hormuz closed therefore hurts the very economy Iran hoped the deal would rescue.

The least bad bargain

Both governments have allowed tactics to consume strategy. America has restored sanctions and a blockade even though pressure cannot reliably force the strait open. Iran is defending a claim to administer Hormuz even though an unusable waterway brings it neither revenue nor durable security.

The agreement was poorly written and quickly violated, but its basic exchange remains more realistic than the alternatives: Iran restores safe commercial passage and receives tangible economic relief. Neither side would get everything it wants. That is precisely why a bargain is possible - and why continuing to shoot it apart leaves both countries confined by a crisis of their own making.