Ruth González Silva of the Partido Verde leads the field for the 2027 San Luis Potosí gubernatorial election, supported by recent polls showing her ahead of Morena-linked contenders amid the incumbent governor’s public endorsement. Primary drivers include PVEM’s organizational strength in the state, a local electoral reform easing gender alternation rules for 2027, and ongoing coalition uncertainty between Morena, PVEM, and PT over nepotism concerns that have kept the parties running separate internal processes. Rosa Icela Rodríguez Velázquez remains Morena’s top internal option, followed by figures such as Gerardo Sánchez Zumaya and Cuauhtli Badillo Moreno, while opposition names like Enrique Galindo Ceballos and Rubén Guajardo Barrera trail in preference surveys. Trader odds reflect these party dynamics, polling gaps, and unresolved alliance talks, with separation likely hinging on national party decisions and any further public positioning before candidate registration.