TL;DRPolymarket’s $345M Iran peace deal market is in dispute because the interim agreement may not meet the contract’s “permanent” peace requirement.

Polymarket, the largest prediction market exchange, has more than $345 million in trading volume stuck in limbo over a question of semantics. Traders bet on whether the United States and Iran would sign a permanent peace deal. Both countries announced an agreement over the weekend, but it is not clear that the announcement meets the terms written into the contracts.

The dispute centres on one word: permanent. Polymarket’s resolution rules require that any qualifying agreement “explicitly indicate that military hostilities between the United States and Iran have ended or will permanently cease.” Temporary ceasefires do not count.

What actually happened is more ambiguous. On Saturday, Pakistani Prime Minister Shehbaz Sharif announced that the two countries had reached a deal involving the “immediate and permanent termination of military operations on all fronts.” But on Monday, the details that emerged described an interim agreement to reopen the Strait of Hormuz for 60 days, with delegations from both sides set to negotiate further in Qatar this week and a memorandum of understanding expected to be signed in Switzerland on Friday.