Lorenia Valles Sampedro holds the leading position in trader consensus for the 2027 Sonora gubernatorial election at 66.5% implied probability, driven by her established role as a Morena senator, formal separation from her Senate seat to pursue the nomination, and consistent leads in internal party preference surveys. Morena’s dominance in recent state contests positions its eventual nominee as the strong favorite in the general election, with Valles’ community outreach and alignment with the party’s national platform providing key advantages. Other listed contenders, including Lilly Téllez García and various opposition or intra-party figures polling in the low-to-mid teens or single digits, face steeper structural barriers in a state where the ruling party controls the primary pathway and electoral math. Scheduled internal coordination votes and any shifts in Morena polling averages remain the primary near-term catalysts.