Morena maintains a commanding position in trader assessments for the June 2027 Mexican legislative election to the Chamber of Deputies, reflecting consistent leads in recent national polling where the party registers 35-41% voting intention, well ahead of fragmented opposition options. PAN, PRI, and MC trail significantly in single-digit to mid-teen shares, with no unified alliance emerging to challenge the incumbent ruling party under President Claudia Sheinbaum. The formal start of the electoral process in September 2026, alongside Morena’s ongoing candidate selection and alliances with PT and PVEM, has reinforced this outlook without notable shifts in the past month. Opposition parties continue highlighting undecided voters and potential coalition talks, yet polling trends show limited movement that would alter the current hierarchy of outcomes.