Claire Valdez secured the Democratic nomination for New York’s 7th Congressional District in the June 2026 primary, defeating Brooklyn Borough President Antonio Reynoso with backing from Mayor Zohran Mamdani and the Democratic Socialists of America. The open seat, vacated by longtime Representative Nydia Velázquez, sits in a solidly Democratic district spanning parts of Brooklyn and Queens where recent election results have shown consistent double-digit margins for Democratic candidates. Republican nominee Melvin Rivera, a community activist, faces structural barriers typical of the district’s partisan composition and limited recent polling or fundraising shifts that would alter the outlook ahead of the November 3 general election. Trader consensus pricing reflects these entrenched advantages for the Democratic nominee while acknowledging that unforeseen events such as major scandals, health developments, or national political realignments could still influence the final outcome.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedNY-07 House Election Winner
$30,386 Vol.
$30,386 Vol.
Claire Valdez (D)
96%
Melvin Rivera (R)
1%
$30,386 Vol.
$30,386 Vol.
Claire Valdez (D)
96%
Melvin Rivera (R)
1%
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, 11:22 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...Claire Valdez secured the Democratic nomination for New York’s 7th Congressional District in the June 2026 primary, defeating Brooklyn Borough President Antonio Reynoso with backing from Mayor Zohran Mamdani and the Democratic Socialists of America. The open seat, vacated by longtime Representative Nydia Velázquez, sits in a solidly Democratic district spanning parts of Brooklyn and Queens where recent election results have shown consistent double-digit margins for Democratic candidates. Republican nominee Melvin Rivera, a community activist, faces structural barriers typical of the district’s partisan composition and limited recent polling or fundraising shifts that would alter the outlook ahead of the November 3 general election. Trader consensus pricing reflects these entrenched advantages for the Democratic nominee while acknowledging that unforeseen events such as major scandals, health developments, or national political realignments could still influence the final outcome.
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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