Incumbent Rep. Mike Thompson, a moderate Blue Dog Democrat holding California's 4th Congressional District for 28 years, leads trader consensus at over 90% implied probability for Democratic Party victory in the November general election, driven by California's top-two primary system and a crowded Republican field of six candidates fragmenting votes ahead of the June 2 contest. Recent escalations, including challenger Eric Jones's accusations via a secret recording and mutual attack ads, highlight intra-Democratic competition but reinforce expectations that Thompson and Jones will claim the top two spots in the D+8 district, guaranteeing a Democrat-vs-Democrat general. A Republican upset in the primary via vote consolidation remains the primary scenario to challenge this outcome, though fundraising and historical patterns favor incumbency.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoCA-04 House Election Winner
CA-04 House Election Winner
Democratic Party
91%
Republican Party
9%
Democratic Party
91%
Republican Party
9%
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/).
Mercato aperto: Jan 27, 2026, 11:54 PM ET
Resolver
0x2F5e3684c...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/).
Resolver
0x2F5e3684c...Incumbent Rep. Mike Thompson, a moderate Blue Dog Democrat holding California's 4th Congressional District for 28 years, leads trader consensus at over 90% implied probability for Democratic Party victory in the November general election, driven by California's top-two primary system and a crowded Republican field of six candidates fragmenting votes ahead of the June 2 contest. Recent escalations, including challenger Eric Jones's accusations via a secret recording and mutual attack ads, highlight intra-Democratic competition but reinforce expectations that Thompson and Jones will claim the top two spots in the D+8 district, guaranteeing a Democrat-vs-Democrat general. A Republican upset in the primary via vote consolidation remains the primary scenario to challenge this outcome, though fundraising and historical patterns favor incumbency.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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