Across 2 prediction market platforms, "Will the Democratic Party control the House after the 2026 Midterm elections?" has a consensus probability of 88.1%. Manifold: 89.5%, Polymarket: 86.5%. Consensus via geometric mean of odds (Satopaa et al., 2014), validated by IARPA ACE tournament.
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 →
The only prediction market aggregator with academically validated cross-platform consensus.