Will the Democratic Party win the CA-31 House seat?
Prediction markets currently give a 93% probability that Will the Democratic Party win the CA-31 House seat?. This contract trades at 93¢ on Polymarket, closing November 3, 2026.
Resolution rules
This market will resolve according to the party of the candidate who wins the CA-31 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026. A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources. This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).
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sf trade 0x863a4636ca39b380982508d30a85284b58ba98674a06e722960b7b01d400d756 yes 100