Democratic incumbent Laura Gillen holds a commanding position in New York’s 4th congressional district ahead of the November 3, 2026 general election. The suburban Nassau County seat flipped to Democrats in 2024 with Gillen defeating the prior Republican incumbent by a narrow margin, and Democratic voter registration edges continue to favor the party in this swing district. Gillen advanced unopposed through the June 2026 Democratic primary, while Republican nominee Jeanine Driscoll secured her party’s nomination. Forecasters rate the race as Lean or Tilt Democratic, reflecting the district’s modest partisan tilt and incumbency dynamics. Prediction market pricing reflects trader consensus on these structural factors, with limited recent catalysts altering the outlook.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedNY-04 House Election Winner
Democratic Party
89%
Republican Party
10%
Democratic Party
89%
Republican Party
10%
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/).
Market Opened: Dec 16, 2025, 12:27 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...Democratic incumbent Laura Gillen holds a commanding position in New York’s 4th congressional district ahead of the November 3, 2026 general election. The suburban Nassau County seat flipped to Democrats in 2024 with Gillen defeating the prior Republican incumbent by a narrow margin, and Democratic voter registration edges continue to favor the party in this swing district. Gillen advanced unopposed through the June 2026 Democratic primary, while Republican nominee Jeanine Driscoll secured her party’s nomination. Forecasters rate the race as Lean or Tilt Democratic, reflecting the district’s modest partisan tilt and incumbency dynamics. Prediction market pricing reflects trader consensus on these structural factors, with limited recent catalysts altering the outlook.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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