Morena holds a commanding position in the current Oaxaca state Congress, controlling roughly two-thirds of seats with allies PVEM and PT pushing their combined share above 80 percent. This dominance, built on strong 2024 results across majority-relative and proportional-representation districts, underpins trader consensus favoring the party for the June 2027 renewal of all 42 seats. The electoral process formally opened in September 2026 with candidate registration and campaign timelines now set, though no detailed public polling has yet emerged to shift probabilities. Opposition parties including PRI, PAN, and MC remain fragmented with minimal current representation, facing structural hurdles in a state where Morena-aligned forces have consistently secured majorities. Upcoming coalition negotiations and primary outcomes in early 2027 represent the next potential catalysts for any adjustment in implied probabilities.