US forces enter Iran by December 31?

The United States and Israel have been at active war with Iran since late February 2026. US carriers, Marines, and rapid-deployment troops have been positioning across the theater. Reports describe at least one mission involving a US Air Force colonel in Iranian territory — the specific type of signal that prediction market traders read as evidence that ground entry, whether through special operations raids or larger deployments, has already occurred or is imminent. The resolution criteria is narrower than a general "war with Iran" question and worth stating precisely. Air strikes, maritime operations, and overflights don't qualify. Covert intelligence presence doesn't qualify. What qualifies is confirmed physical entry of active US military personnel into Iran's land territory, verified by a consensus of credible reporting. That specific threshold — boots on Iranian soil — is what the 90-94% YES pricing reflects traders believing has happened or will happen before December 31. The term structure is the most analytically informative signal available. The April 30 contract pricing at roughly 86.5% and the December 31 contract at approximately 90.5% creates a specific relationship: traders believe that if ground entry occurs in the spring window, the year-end condition is almost certainly satisfied too. The incremental probability between April and December reflects the additional surface area of the longer window rather than a belief that ground entry is more likely to happen late in the year than early. The diplomatic track — the 60-day ceasefire and nuclear negotiation framework — is the countervailing force that prevents this from pricing at 99-plus percent. A ceasefire that holds and converts into a genuine diplomatic process could theoretically prevent ground entry from being publicly confirmed even if air and maritime operations continue. Markets are currently weighing active war conditions more heavily than diplomatic de-escalation prospects. Bottom line: This contract is pricing near-certainty of US ground force entry into Iran before year-end based on active war conditions and specific mission reports that traders have read as confirmatory signals. Watch for any official US or Iranian government confirmation of ground-level engagement, or conversely for ceasefire stabilization that reduces the likelihood of operations requiring physical entry of personnel into Iranian territory.