US-Iran Hormuz Agreement by September 30?

As of September 3, 2026, Polymarket prices “US-Iran Hormuz Agreement by September 30?” at 6% YES with $166K traded. No tracked wallet holds a position on this market, so there is no verdict.

Prediction markets put the probability at 8%: US-Iran Hormuz Agreement by September 30. Currently, markets see this as unlikely (8% YES).

What’s Happening

The trajectory toward a potential us-iran hormuz agreement by september 30 has been marked by abrupt reversals, most recently with U.S. military strikes on Iranian targets on August 30, the first American action in a month following a period of relative calm. This strike came after the June 14 memorandum of understanding brokered by Pakistani Prime Minister Shehbaz Sharif, which had led to the immediate lifting of the U.S. naval blockade and a halt to Iranian restrictions on shipping lanes. However, the Pentagon’s renewed offensive underscores that the ceasefire terms remain fragile, with a U.S. official confirming that the military pullout from Iraq is still slated for completion by September 30, though the redeployment of remaining troops has not been specified [CBS News, Aug 30].

The core obstacle to a formal us-iran hormuz agreement by september 30 lies in Tehran’s insistence on unilateral control over demining operations and Baghdad’s parallel deadline for pro-Iranian militias to disarm. On June 30, Iran explicitly rejected French President Macron’s offer of international assistance for clearing the strait, stating it would carry out the demining alone, while Iraq’s government simultaneously issued a September 30 ultimatum for armed factions to surrender weapons ahead of Prime Minister Ali al-Zaidi’s visit to Washington [France 24, Jun 30]. These parallel deadlines create a compressed window where any single violation—such as the August drone incident that killed one American soldier—could derail the entire process, despite earlier reports that a senior Trump administration official placed an 80-85% probability on a signed deal within days [Bloomberg, Jun 13].

The structural factor that will determine whether the us-iran hormuz agreement by september 30 materializes is the unresolved tension between Iranian hardliners and the diplomatic track, as evidenced by Iran’s nuclear negotiator Ali Jalali stating that “one or two” issues remain while the U.S. military continues to strike Iranian assets. The August 30 strikes targeted facilities equivalent to nearly 1 million barrels per day of oil capacity—a fraction of the 21 million barrels that transited the strait daily before the war—signaling that Washington is using calibrated force to pressure Tehran into finalizing terms [CBS News, Aug 30]. With the U.S. military withdrawal from Iraq and the militia disarmament both tied to the same September 30 date, the agreement’s fate hinges on whether Iran’s leadership can override internal opposition and accept the demining and verification terms before the deadline expires [Britannica, Sep 03].

Traded on Polymarket — $166K Volume