Across 2 prediction market platforms, "2026 Balance of Power: R Senate, R House" has a consensus probability of 29.0%. Predictit: 29.0%, Polymarket: 21.5%. 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.