HomeGeopolitics › Will the U.S. invade Iran before 2027?

Will the U.S. invade Iran before 2027?

25.7%
Consensus Probability (Model A — Inverse-Variance Log-Odds)
2 platforms · 7pp spread · $28.1M

Across 2 prediction market platforms, "Will the U.S. invade Iran before 2027?" has a consensus probability of 25.7%. Polymarket: 27.5%, Manifold: 20.7%. Consensus via geometric mean of odds (Satopaa et al., 2014), validated by IARPA ACE tournament.

Platform Comparison — white line = consensus
Polymarket
View →
28%
$28.1M
Manifold
View →
21%
165 traders
Probability Over Time
All 4 Consensus Models
Market Details
Polymarket
Updated 12d ago
Volume
$28.1M
Liquidity
$707K
Bid / Ask
27.0% / 28.0%
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 3h 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 →

Odds Raven

The only prediction market aggregator with academically validated cross-platform consensus.

© 2026 Odds Raven · Data refreshed every 6 hours · peer-reviewed methodology