US x Iran ceasefire by December 31?
Alpha Opportunity
Alpha Thesis
Our AI estimates a true probability of 15.0% vs the market's 70.5%, identifying a 55.5% edge on the NO side. Historically, ceasefire agreements between the US and adversarial states in active conflict are rare and often take years of negotiation. The base rate for such agreements within a short timeframe is low. Current evidence indicates escalating military engagements and failed diplomatic efforts. Iran has dismissed US ceasefire plans, and regional mediation efforts have hit dead ends. The US has escalated its military approach, and Iran continues to engage in military actions.
📐Key Metrics
Key Findings
- Historical ceasefire agreements between the US and adversarial states — Historically, ceasefire agreements between the US and adversarial states in active conflict are rare and often take years of negotiation. The base rate for such agreements within a short timeframe is low.
- Current military and diplomatic situation — Current evidence indicates escalating military engagements and failed diplomatic efforts. Iran has dismissed US ceasefire plans, and regional mediation efforts have hit dead ends. The US has escalated its military approach, and Iran continues to engage in military actions.
- Resolution Criteria — This market resolves to 'Yes' if, by December 31, 2026, 11:59 PM ET, there is an official ceasefire agreement between the United States and Iran. This requires a publicly announced and mutually agreed halt in direct military engagement, confirmed by clear public statements from both the US and Iranian governments, or by an overwhelming consensus of credible media reporting. Informal understandings, unilateral pauses, humanitarian pauses, limited operational pauses, or agreements outlining future negotiations without an explicit, dated commitment to stop fighting will not qualify. A broader peace deal or normalization agreement will qualify only if it includes such a publicly announced and mutually agreed halt in military engagement.
- 10 Sources Analyzed — Including Iran dismisses US ceasefire plan, as attacks persist across Mideast, Why US is Expanding Air War With Deep Strike Missions - YouTube, US signals escalation on Iran as regional mediation efforts intensify
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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.