The solidly Democratic character of New Jersey’s 12th congressional district, which favored Kamala Harris by 14.5 points in 2024 and delivered Democratic House margins of 25 points or more in recent cycles, underpins the current trader consensus. Bonnie Watson Coleman’s November 2025 retirement opened the seat, triggering a crowded June 2026 Democratic primary won by Adam Hamawy; Republican Gregg Mele advanced unopposed. Forecasters rate the November 3 general election Solid Democratic, reflecting the district’s composition across Mercer, Middlesex, Somerset, and Union counties. With the Democratic nominee positioned for a substantial projected margin, only late-cycle developments such as major scandals, health events, or an unusually strong Republican national environment would realistically alter the outcome before Election Day.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedNJ-12 House Election Winner
$22,311 Vol.
$22,311 Vol.
Democratic Party
94%
Republican Party
6%
$22,311 Vol.
$22,311 Vol.
Democratic Party
94%
Republican Party
6%
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: Jan 28, 2026, 11:10 AM 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...The solidly Democratic character of New Jersey’s 12th congressional district, which favored Kamala Harris by 14.5 points in 2024 and delivered Democratic House margins of 25 points or more in recent cycles, underpins the current trader consensus. Bonnie Watson Coleman’s November 2025 retirement opened the seat, triggering a crowded June 2026 Democratic primary won by Adam Hamawy; Republican Gregg Mele advanced unopposed. Forecasters rate the November 3 general election Solid Democratic, reflecting the district’s composition across Mercer, Middlesex, Somerset, and Union counties. With the Democratic nominee positioned for a substantial projected margin, only late-cycle developments such as major scandals, health events, or an unusually strong Republican national environment would realistically alter the outcome before Election Day.
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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