Home › Politics › Will a Democrat win these US House rac...

Will a Democrat win these US House races in 2026? — Arizona 6

87.1%
Consensus Probability (Model A — Inverse-Variance Log-Odds)
2 platforms · 9pp spread

Across 2 prediction market platforms, "Will a Democrat win these US House races in 2026? — Arizona 6" has a consensus probability of 87.1%. Manifold: 84.3%, Predictit: 93.0%. Consensus via geometric mean of odds (Satopaa et al., 2014), validated by IARPA ACE tournament.

Platform Comparison — white line = consensus
Manifold
View →
84%
21 traders
Predictit
View →
93%
Probability Over Time
All 4 Consensus Models
Market Details
Manifold
Updated 2h ago
Volume
—
Liquidity
—
Bid / Ask
— / —
Spread
—
Opened
Apr 2026
Resolves
Dec 2026
Predictit
Updated 68d ago
Volume
—
Liquidity
—
Bid / Ask
— / —
Spread
—
Opened
Apr 2026
Resolves
—

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