Oklahoma House 2020 — Model Retrospective

The model's final pre-election forecast gave Mary Brannon a 45% chance of winning the Oklahoma House 2020 primary. Mary Brannon won, matching the model's top pick.

  1. Mary Brannon — 45% model odds (won)
  2. John D. Argo — 44% model odds
  3. David R. Slemmons — 11% model odds

Model accuracy · 2026 race forecasts