US and Iran sign an agreement by June 30, 2026?

Prediction markets put the probability at 91%: US and Iran sign an agreement by June 30, 2026. Currently, markets see this as likely (91% YES). Item 1 of 2 People walk next to a symbolic mock-up of an Iranian missile, on a street in Tehran, Iran, June 11, 2026.

What’s Happening

The United States and Iran reached a draft peace deal to end their war, with an official signing ceremony scheduled for Friday in Switzerland, according to Pakistani Prime Minister Shehbaz Sharif, who announced the breakthrough on social media early Monday. A senior U.S. administration official confirmed on June 13, 2026 that both sides had agreed on a text and Washington expected to sign an initial deal within days. The draft framework reportedly covers a ceasefire, the reopening of the Strait of Hormuz, partial sanctions relief, and the inclusion of Lebanon in the broader regional settlement, according to a senior U.S. official cited in regional press. [Reuters, Jun 15]

President Donald Trump stated Saturday that the agreement would be signed Sunday, though Iran did not publicly confirm that timeline. On Sunday, Trump said the signing was delayed by an Israeli airstrike on Beirut's southern suburbs, which he blamed for disrupting the planned ceremony, but maintained the deal could still be finalized within hours. Iranian officials warned the strike could derail talks entirely, underscoring the fragility of the agreement framework. Hawkish voices in Washington argue the rapid sequencing — text agreement to signature in under a week — locks in U.S. leverage before the war can re-escalate, while regional analysts caution that ongoing kinetic activity near the Strait of Hormuz complicates the question of whether us and iran sign an agreement by june 30, 2026 in a durable form. [Politico, Jun 13]

The structural determinant is whether the Switzerland signing ceremony proceeds on schedule despite continuing Israeli operations in Lebanon and renewed military activity near the Strait of Hormuz. Multiple sources have confirmed text-level agreement between Washington and Tehran, and Pakistan's mediation role suggests broader regional buy-in. Should the ceremony hold, the resolution of us and iran sign an agreement by june 30, 2026 would be confirmed with roughly two weeks of margin before the deadline. The principal downside risk remains further Israeli strikes or an Iranian withdrawal in response, as Tehran has publicly warned that escalation could collapse the framework. The Lebanon clause and Hormuz reopening are the two provisions most exposed to last-minute renegotiation. [Reuters, Jun 13]

Traded on Polymarket — $77K Volume

Lower-volume market on Polymarket ($77K). Wider spreads expected — enter with limit orders and be aware of slippage risk. Currently 91c YES.