Incumbent Frank Scarpitti holds a narrow edge in the Markham mayoral race ahead of the October 26, 2026 municipal election, reflecting his long record of re-election since 2006 and established name recognition among voters. Recent closure of candidate nominations on August 21 has clarified a field that includes challengers Martin Ross and Stephen Edgell, yet the absence of widespread polling data or high-profile campaign events has kept probabilities clustered near even money. Traders appear to weigh Scarpitti’s incumbency advantage against the potential for vote splitting or late visibility gains by lesser-known contenders. Key upcoming factors that could widen spreads include first candidate debates, early fundraising disclosures, or shifts in local issues such as transit and affordability that mobilize distinct voter blocs.