Across 3 prediction market platforms, "2026 Balance of Power: R Senate, D House" has a consensus probability of 36.0%. Polymarket: 33.5%, Predictit: 40.0%, Manifold: 34.7%. Consensus via geometric mean of odds (Satopaa et al., 2014), validated by IARPA ACE tournament.
Computed from 3 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 →
The only prediction market aggregator with academically validated cross-platform consensus.