Incumbent Democrat Laura Gillen holds a strong position in New York’s 4th congressional district, a Nassau County seat she flipped from Republican control in 2024. Her substantial fundraising advantage, with millions in cash on hand as of mid-2026, supports sustained outreach in this competitive suburban area. The Democratic primary advanced her unopposed in June, while Republican nominee Jeanine Driscoll emerged from her party’s primary focused on local tax issues. Trader consensus reflected in current market pricing aligns with Gillen’s incumbency edge and the district’s recent voting patterns, though the seat remains on some independent rating lists as competitive heading into the November 3 general election.
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
83%
Republican Party
15%
Democratic Party
83%
Republican Party
15%
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...Incumbent Democrat Laura Gillen holds a strong position in New York’s 4th congressional district, a Nassau County seat she flipped from Republican control in 2024. Her substantial fundraising advantage, with millions in cash on hand as of mid-2026, supports sustained outreach in this competitive suburban area. The Democratic primary advanced her unopposed in June, while Republican nominee Jeanine Driscoll emerged from her party’s primary focused on local tax issues. Trader consensus reflected in current market pricing aligns with Gillen’s incumbency edge and the district’s recent voting patterns, though the seat remains on some independent rating lists as competitive heading into the November 3 general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



Beware of external links.
Beware of external links.
Frequently Asked Questions