Massachusetts Senate 2020 — Model Retrospective

The model's final pre-election forecast gave Edward J. Markey a 100% chance of winning the Massachusetts Senate 2020 primary. Edward J. Markey won, matching the model's top pick.

1. Edward J. Markey — 100% model odds (won)
2. Kevin J. O'Connor — 0% model odds
3. Shiva Ayyadurai — 0% model odds
4. All Others — 0% model odds

Model accuracy · 2026 race forecasts