Spain General Election: Left-Right Seat Margin of Victory
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The contract follows the official result of the spain General Election: Left-Right Seat Margin of Victory.
The market includes 11 listed choices, including Right 80+ seats, Left 1+ seats, Right 50-59 seats, and Right 60-69 seats.
The winning choice is determined using the exact eligibility, timing, and source criteria in the Resolution Rules below.
Legislative elections to elect the 350 members of the Congress of Deputies of Spain are scheduled to take place on November 29, 2026.
This market will resolve according to the margin, in seats, between the combined number of seats won in the Congress of Deputies of Spain as a result of this election by the right bloc (“Right”) and by the left bloc (“Left”).
The right bloc consists of PP and Vox. The left bloc consists of PSOE, Broad Front (FA), Podemos, ERC, EH Bildu, and BNG. Seats won by any party not named above will not count toward either bloc.
The margin is defined as the absolute difference between the two blocs’ combined seat totals. This market will resolve to the bracket for the bloc that wins more combined seats that contains this margin. If both blocs win the same combined number of seats, this market will resolve to “Tie”.
If the results of this election are not definitively known by November 30, 2027, 11:59 PM ET, this market will resolve to “Other”.
Seats and votes will be attributed according to the electoral list on which they were obtained, as reported in the official results, regardless of the party membership of individual candidates. Lists will be attributed as follows:
PSOE: lists of the Spanish Socialist Workers' Party, including the Partit dels Socialistes de Catalunya (PSC) lists in Catalonia.
PP: lists of the People's Party, including the joint UPN–PP list in Navarre.
Broad Front (FA): all Broad Front lists, including Catalunya en Comú in Catalonia, Compromís–Valencian Front in the Valencian Community, and Canarian People’s Unity (UPC) in the Canary Islands.
ERC: Republican Left of Catalonia lists, including the joint ERC–Podem lists in Catalonia.
Podemos: only lists presented by Podemos on its own.
CCa: Canarian Coalition lists, including the joint CCa–1º CAN lists in the Canary Islands.
Any other list will be attributed to the party or coalition that presents it, as named in the official proclamation of candidacies.
Electoral cooperation, endorsements, coalition agreements, or subsequent changes in party affiliation or parliamentary-group membership will not be considered.
This market's resolution will be based solely on the number of seats won by the named parties in the Congress of Deputies of Spain.
This market will resolve based on the results of the elections, as indicated by a consensus of credible reporting. In the case of ambiguity, this market will resolve solely based on the results as reported by the Spanish Ministry of the Interior (https://infoelectoral.interior.gob.es/).