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

86.8%
Consensus Probability (Model B — Geometric Mean of Odds)
2 platforms · 16pp spread

Across 2 prediction market platforms, "Will a Democrat win these US House races in 2026? — Arizona 6" has a consensus probability of 86.8%. Manifold: 76.6%, Predictit: 93.0%. Consensus via geometric mean of odds (Satopaa et al., 2014), validated by IARPA ACE tournament.

Platform Comparison — white line = consensus
Manifold
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77%
21 traders
Predictit
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93%
Probability Over Time
All 6 Consensus Models
Market Details
Manifold
Updated 2h ago
Volume
Liquidity
Bid / Ask
— / —
Spread
Opened
Apr 2026
Resolves
Dec 2026
Predictit
Updated 21d 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 →

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