Will the U.S. invade Iran before 2027?

Platform comparison

Market context

The United States has already launched a major military offensive against Iran, killing Supreme Leader Ali Khamenei and initiating nearly 900 strikes in a single day on 28 February 2026, an event codenamed Operation Epic Fury[2][3]. This conflict, which involved joint US-Israeli action and triggered massive Iranian retaliatory missile and drone strikes across the Middle East, has since concluded with a ceasefire agreed on 7–8 April 2026[4]. The market’s 12% implied probability for an invasion before 2027 appears to misread the timeline, as the decisive offensive intended to establish control over Iranian territory has already occurred and formally ended.

Historically, comparable cases such as the 2003 Iraq invasion show that once a regime is toppled and a ceasefire is signed, further large-scale offensives to establish territorial control are rare unless the ceasefire collapses entirely[4]. The current probability diverges sharply from analyst consensus, which treats the February 2026 strikes as the definitive offensive event, not a precursor to a new invasion. Traders should monitor whether the 60-day ceasefire framework, preliminary agreement reached on 15 June 2026, holds or breaks, particularly regarding Iran’s uranium enrichment levels and the status of its frozen assets[5]. Recent US strikes on 27 June 2026, following Iranian attacks on US sites in Bahrain and Kuwait, signal ongoing volatility but not a new invasion campaign[6]. The key dependency is whether the US resumes full-scale offensive operations to overthrow the government again, which would require a clear breach of the MoU and renewed Iranian aggression[5][6].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Will the U.S. invade Iran before 2027? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Best Prediction Markets, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

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On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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