Incumbent Democrat Maura Healey maintains a consistent polling lead of roughly 16–22 points over Republican Michael Minogue in the 2026 Massachusetts governor race, with recent September surveys from UNH and MassINC showing her at 54% against 32–38%. Massachusetts’s strong Democratic base, combined with Healey’s incumbency and primary consolidation, anchors trader expectations for a substantial Democratic margin. Minogue’s record self-funding has not shifted independent or unenrolled voters enough to narrow the gap meaningfully. The market’s even split between leading outcomes and spread across 20–30% Democratic victory brackets reflects uncertainty over the precise final margin rather than the overall winner, with early voting beginning mid-October and the November 3 election still weeks away. Late campaign events or turnout shifts could adjust the exact range.