Across 3 prediction market platforms, "Will J.D. Vance win the 2028 Republican presidential nomination?" has a consensus probability of 42.8%. Manifold: 42.8%, Predictit: 41.0%, Polymarket: 36.1%. 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.