NY-21's Republican lean, rooted in its rural upstate New York demographics and consistent support for GOP candidates in recent cycles, drives the current trader consensus favoring the Republican nominee at 79.5% implied probability. Primaries concluded in June 2026, selecting Anthony Constantino as the Republican standard-bearer against Democrat Blake Gendebien, with limited subsequent shifts in positioning. Fundraising disparities and the absence of major national headwinds or local scandals have reinforced expectations of continued Republican control, though Democrats could narrow the gap through targeted turnout efforts in a midterm environment where House control remains competitive.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedNY-21 House Election Winner
$52,400 Vol.
$52,400 Vol.
Republican Party
80%
Democratic Party
19%
$52,400 Vol.
$52,400 Vol.
Republican Party
80%
Democratic Party
19%
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, 11:23 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...NY-21's Republican lean, rooted in its rural upstate New York demographics and consistent support for GOP candidates in recent cycles, drives the current trader consensus favoring the Republican nominee at 79.5% implied probability. Primaries concluded in June 2026, selecting Anthony Constantino as the Republican standard-bearer against Democrat Blake Gendebien, with limited subsequent shifts in positioning. Fundraising disparities and the absence of major national headwinds or local scandals have reinforced expectations of continued Republican control, though Democrats could narrow the gap through targeted turnout efforts in a midterm environment where House control remains competitive.
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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