Massachusetts House 2020 — Model Retrospective

The model's final pre-election forecast gave Lori Loureiro Trahan a 100% chance of winning the Massachusetts House 2020 primary. Lori Loureiro Trahan won, matching the model's top pick.

  1. Lori Loureiro Trahan — 100% model odds (won)
  2. All Others — 0% model odds

Model accuracy · 2026 race forecasts