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ME Senate — Collins (R) retention
Will Susan Collins (R) retain her Maine Senate seat in 2026?
premise verified 0h ago
EHIQ
40%
(42-58%)
Edge
-0.5pp
within noise
EHIQ vs market over time · 34 data points · refreshed daily
EHIQMarket
Thesis
↗️ EHIQ LEAN: Collins stronger than expected (+3.5pp)
September 2026 rebuild for the Jackson matchup — the prior text tested a withdrawn candidate (Platner withdrew July 10; Troy Jackson nominated at the July 25 convention). The September polls say a true toss-up: UML's survey center (Sep 24) has Jackson 46-45, while WABI/Maine Public the same week has Collins +3 — a 4-point spread inside ten days. Collins's favorability is underwater 10-19 points in three houses (Emerson 38/57, UNH 35/53, CNN 41/51); Cook, Sabato, Inside Elections and DDHQ all sit at toss-up or Lean D. What keeps this at 40 and not at the market: the documented Collins-specific polling miss — she has outrun her polls in every one of her five Senate races, and Maine's ranked-choice-ish split electorate breaks late for incumbents with her profile. EHIQ 40% vs Polymarket 36.5%.
- 1.RESTATE 2026-09-20 (0.50 -> 0.40): rebuilt for Collins vs Troy Jackson per drafts/DECISION_me_collins_restate_2026-09-20.md. Basis: 9-poll post-convention average Jackson +2.3 (RCP +1.8 / Silver Bulletin +3.5) CONFIRMED; favorability 3 houses CONFIRMED; raters 4/4 toss-up-or-D CONFIRMED; money asymmetry $60M vs $24M ad reserves CONFIRMED (AdImpact); Jackson never-won-statewide CONFIRMED; 2020 overperformance 17.7pts CONFIRMED. Jackson register re-read PENDING (Mac ssh unreachable 2026-09-20 16:40 ET; Collins September meanMom -3.50 on file; Platner-era read retired with the candidate).
Opened
April 19, 2026
Expected resolution
November 4, 2026
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