In California's 4th Congressional District, redistricting under Proposition 50 and the June 2026 top-two primary produced an all-Democratic general election matchup on November 3 between longtime incumbent Mike Thompson and challenger Eric Jones. Republican candidates split the primary vote, with the strongest finishing third and failing to advance in a district rated Solid or Safe Democratic by forecasters due to its D+8 partisan lean and voter registration edge. This structure drives the market's strong consensus favoring the Democratic Party, reflecting the absence of a Republican on the ballot and the district's consistent electoral patterns. A Republican victory would require unprecedented late-cycle shifts, such as widespread voter realignment or disqualification events, which lack supporting indicators at present.
本市場將根據在 2026 年期中選舉中贏得美國眾議院 CA-04 國會選區席次的候選人所屬政黨進行結算。期中選舉將於 2026年11月3日 舉行。 候選人的政黨歸屬,將以該候選人在本市場的結算資訊來源明確判定 2026 年所有眾議院選舉結果時,在選票上列明或以其他方式可確認的政黨隸屬關係為準。若候選人的選票上未列明其屬於民主黨或共和黨,則將依據本市場判定來源對所有眾議院選舉作出最終判定時,該候選人最近一次表示有意加入其黨團會議的政黨,將其視為該黨的成員。 本市場將根據可信報導所形成共識指出的選舉結果結算。如有任何歧義,本市場將僅依據美國政府公布的官方結果判定,具體而言,以聯邦選舉委員會(https://www.fec.gov/)公布的結果為準。
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