Morena holds the leading trader consensus at 41% for the Chiapas state congress election on June 6, 2027, ahead of PT at 14.5% and PVEM at 5.8%, while opposition parties trail further. The current LXIX Legislature, installed after the 2024 vote where Morena and allies secured a dominant share of the 40 seats, has seen further consolidation through recent party switches that boosted Morena’s bloc toward a qualified majority. This incumbency advantage, combined with the party’s control of the governorship and local structures, underpins the pricing. The race remains fragmented across more than two dozen options because 24 seats are decided by single-member districts and 16 by proportional representation, with gender-parity rules and new local parties adding variables. Pre-campaigns begin in February 2027, giving time for candidate slates and alliances to shift the balance.