US-Iran Final Nuclear Deal by {{end_date}}: Odds & Probability

The market rests on whether the United States and Iran can convert the June 14, 2026, memorandum into a full-fledged “final deal” by Aug 31, 2026. The initial text, which gave the two sides an extendable negotiating window, was a procedural step rather than a substantive agreement. To trigger a “Yes” here, a written instrument must emerge that is either signed by both countries or formally adopted without signature—for instance, through an exchange of diplomatic notes or a joint official statement. Crucially, the document must impose at least one specific, measurable obligation on Iran’s nuclear programme. Examples include a defined cap on uranium enrichment purity or an explicit commitment to surrender, destroy, or dilute a quantified portion of its enriched uranium stockpile. Vague pledges to “not pursue nuclear weapons” or to cooperate with IAEA inspectors do not meet the bar. Moreover, any obligation that remains explicitly subject to future talks or is framed merely as a floor for negotiation is disqualified. At present, prediction markets assign a 30.5% probability to such an accord being concluded by the deadline, a a substantial minority view. The contract has traded as high as 55.0% and as low as 28.5%. This mid-range price suggests that while the scenario is far from inevitable, it is not a remote tail risk. The market’s reading of the diplomatic timeline is cautious: a deal before September 30 attracts only 14.5% probability, seen as unlikely. All earlier deadlines are effectively priced out, with probabilities near zero. Volumes stand at $9.9M, reflecting cautious engagement. The spread between the headline and the nearer-term outcomes underscores a market that treats a final deal as a plausible but decidedly low-probability event—a reflection of the persistent gap between diplomatic aspiration and the hard currency of enforceable nuclear limits.