Frank Scarpitti maintains a dominant position in the 2026 Markham mayoral contest, with traders assigning him over 95 percent implied probability ahead of the October 16–26 voting window. His extended incumbency since 2006, multiple re-elections including a strong 2022 result, and late-August entry on the final nomination day have consolidated support in a field limited to two challengers, Martin Ross and Stephen Edgell. Recent public visibility through events such as serving as grand marshal for a local motorsport appearance and statements on provincial housing and business measures have reinforced his profile without notable shifts in challenger momentum. The narrow candidate slate and absence of major late developments continue to anchor market pricing around his re-election path, though outcomes remain subject to voter turnout and any unforeseen campaign developments in the final weeks.