US x Iran ceasefire by June 30?
Alpha Opportunity
Alpha Thesis
Our AI estimates a true probability of 15.0% vs the market's 46.5%, identifying a 31.5% edge on the NO side. Historically, formal ceasefire agreements between the US and adversarial states are rare and often occur after prolonged negotiations and significant international pressure. The base rate for such agreements within a three-year timeframe is low. Current evidence suggests heightened tensions and military engagements between the US and Iran, with recent escalations and breakdowns in negotiations. While there are some diplomatic efforts, they appear stalled or ineffective.
📐Key Metrics
Key Findings
- Historical ceasefire agreements between the US and adversarial states — Historically, formal ceasefire agreements between the US and adversarial states are rare and often occur after prolonged negotiations and significant international pressure. The base rate for such agreements within a three-year timeframe is low.
- Current military and diplomatic context — Current evidence suggests heightened tensions and military engagements between the US and Iran, with recent escalations and breakdowns in negotiations. While there are some diplomatic efforts, they appear stalled or ineffective.
- Probability of sub-events — P(US-Iran negotiations resume effectively) × P(negotiations lead to ceasefire) × P(ceasefire is publicly confirmed) = 0.3 × 0.2 × 0.25 = 0.015
- Updating with evidence — Starting with a low base rate, the current evidence of escalation and failed negotiations further decreases the likelihood of a ceasefire agreement by June 2026.
- Resolution Criteria — This market resolves to 'Yes' if, by June 30, 2026, 11:59 PM ET, there is an official ceasefire agreement between the United States and Iran. An 'official ceasefire agreement' requires clear public confirmation from both the United States government and the government of Iran that they have agreed to halt military hostilities against one another, or for an official ceasefire agreement to be otherwise confirmed to have been reached by an overwhelming consensus of credible media reporting. The agreement must be a mutually agreed halt in direct military engagement. Informal understandings, backchannel communications, de-escalation without an announced agreement, unilateral pauses, humanitarian pauses, limited operational pauses, or temporary tactical stand-downs will not count. A broader peace deal or normalization agreement will qualify only if it includes an explicit, publicly announced, and mutually agreed halt in military engagement between the United States and Iran, effective on a specified date, or otherwise confirmed by an overwhelming consensus of credible reporting. Agreements outlining future negotiations or de-escalation without an explicit, dated commitment to stop fighting will not qualify. If these conditions are not met by the deadline, the market resolves to 'No'.
- 10 Sources Analyzed — Including 'Iran open to negotiations': Diplomacy shows signs of progress ..., US-Iran Talks Collapse in Islamabad: Pakistan's Peace Push Stalls, Visualizing Iran's Escalation Strategy - CSIS
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Alpha Quality Factors
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Human Bias Detected
Cognitive biases creating this alpha opportunity
The market overweights vivid, recent events, making this outcome feel more likely than it actually is.
The crowd may lack specialized knowledge that narrows the true probability range.