Arizona House 2018 — Model Retrospective

The model's final pre-election forecast gave Nicolas "Nick" Pierson a 67% chance of winning the Arizona House 2018 primary. Nicolas "Nick" Pierson won, matching the model's top pick.

  1. Nicolas "Nick" Pierson — 67% model odds (won)
  2. Sergio Arellano — 17% model odds
  3. Edna San Miguel — 17% model odds

Model accuracy · 2026 race forecasts