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Which party will hold the majority in the House of Representatives in January 2027 in the 120th Congress. — Republican

13.9%
Consensus Probability (Model B — Geometric Mean of Odds)
2 platforms · 9pp spread

Across 2 prediction market platforms, "Which party will hold the majority in the House of Representatives in January 2027 in the 120th Congress. — Republican" has a consensus probability of 13.9%. Manifold: 10.0%, Gemini: 19.0%. 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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10%
8 traders
Gemini
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19%
Probability Over Time
All 6 Consensus Models
Market Details
Manifold
Updated 2h ago
Volume
Liquidity
Bid / Ask
— / —
Spread
Opened
Apr 2026
Resolves
Jan 2027
Gemini
Updated 2h ago
Volume
Liquidity
Bid / Ask
— / —
Spread
Opened
Apr 2026
Resolves
Feb 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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