Will the next diplomatic US-Iran meeting be in Switzerland by September 30, 2026?

As of September 3, 2026, the market gives “Will the next diplomatic US-Iran meeting be in Switzerland by September 30, 2026?” a 95% chance of NO.

YES odds6%
NO odds95%
Volume$538,464
ClosesOctober 1, 2026

Updated September 3, 2026 · Live data from Polymarket

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About this market

Tensions from the unraveling June 2026 memorandum of understanding, which set a 60-day window for technical talks on nuclear inspections, sanctions relief, Strait of Hormuz navigation, and Lebanon deconfliction, continue to shape expectations. Initial high-level discussions in Switzerland produced a roadmap and working groups, yet U.S. and Iranian accounts quickly diverged on commitments, implementation stalled, and violations accumulated amid renewed threats of strikes. As of early September, no follow-on rounds have been scheduled or announced by mediators Pakistan or Qatar, and officials on both sides have signaled persistent gaps over enforcement and preconditions. This backdrop of stalled diplomacy and unresolved disputes underpins trader consensus that another meeting is unlikely before month-end, while low odds on prior venues reflect their historical role without evidence of imminent resumption.

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