US x Iran permanent peace deal by May 26, 2026?

The market resolves in approximately 1 day (May 26, 2026, 11:59 PM ET), requiring either a signed formal agreement or definitive public confirmation from both governments of a permanent peace deal. As of May 25, 2026, a comprehensive search of recent news reveals no credible reporting of any such deal being negotiated, signed, or announced. The market description references a 'two-week ceasefire agreement announced on April 7, 2026' which suggests some recent diplomatic engagement, but this is explicitly described as temporary and thus non-qualifying. Historical US-Iran relations have been characterized by deep mistrust since the 1979 Islamic Revolution, with recent tensions over Iran's nuclear program, regional proxy conflicts, and sanctions regimes making any rapid rapprochement extraordinarily unlikely.

For this market to resolve YES within the remaining ~24 hours, we would need to see either: (1) a surprise announcement of a pre-negotiated secret deal, or (2) an extremely rapid finalization of ongoing negotiations that have somehow remained unreported by global media. The latter scenario is implausible given the $12.96M in 24h volume suggests significant market attention and no participant appears to have information about imminent resolution. The former scenario (secret deal) would be unprecedented in modern US diplomacy for an agreement of this magnitude, requiring Congressional consultation under various US laws and Iranian parliamentary approval. Even if political will existed on both sides, the procedural requirements for ratifying a 'permanent peace deal' between two nations with no formal diplomatic relations since 1980 cannot realistically be compressed into 24 hours.

The current market price of 10% appears somewhat elevated given the time constraint. This may reflect: (1) thin liquidity creating pricing inefficiency, (2) speculation on extremely low-probability tail events, or (3) misunderstanding of the resolution criteria by some participants. My point estimate of 3% accounts for genuine black swan possibilities—a secret negotiation unknown to media, an emergency geopolitical crisis forcing immediate détente, or my information being incomplete—while recognizing that the baseline probability of such a complex diplomatic achievement materializing in <24 hours is near-zero. The 80% confidence interval of 1-8% reflects uncertainty about information asymmetry and the small but non-zero chance of a surprise announcement.