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Will the U.S. invade Iran before 2027?

30.6%
Consensus Probability (Model B — Geometric Mean of Odds)
2 platforms · 2pp spread · $7.2M

Across 2 prediction market platforms, "Will the U.S. invade Iran before 2027?" has a consensus probability of 30.6%. Polymarket: 29.5%, Manifold: 31.8%. Consensus via geometric mean of odds (Satopaa et al., 2014), validated by IARPA ACE tournament.

Platform Comparison — white line = consensus
Polymarket
View →
30%
$7.2M
Manifold
View →
32%
165 traders
Probability Over Time
All 6 Consensus Models
Market Details
Polymarket
Updated 9h ago
Volume
$7.2M
Liquidity
$459K
Bid / Ask
29.0% / 30.0%
Spread
1.0%
Opened
Apr 2026
Resolves
Dec 2026
This market will resolve to "Yes" if the United States commences a military offensive intended to establish control over any portion of Iran by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". For the purposes of this market, land de facto controlled …
Manifold
Updated 45m ago
Volume
Liquidity
Bid / Ask
— / —
Spread
Opened
Apr 2026
Resolves
Jan 2027

About This Consensus

Computed from 2 platforms using geometric mean of odds (Satopaa et al., 2014). This method was validated by the IARPA ACE forecasting tournament as the most accurate probability aggregation technique. Full methodology →

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