Across 3 prediction market platforms, "Will the Republicans win the South Dakota Senate race in 2026?" has a consensus probability of 94.0%. Predictit: 94.0%, Polymarket: 92.0%, Manifold: 94.0%. 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.