The Massachusetts 9th congressional district's established Democratic lean, reflected in its D+6 partisan voting index, underpins the strong trader consensus favoring the Democratic nominee. Incumbent Representative Bill Keating, first elected in 2010 and re-elected with 56 percent in 2024, faces only a minor primary challenge ahead of the September 1, 2026 primaries, while Republican opposition remains limited to a single declared candidate. These structural factors, including the district's South Shore and Cape Cod composition that has trended Democratic in recent cycles, account for the current pricing. Late developments such as an unexpectedly competitive Republican primary or significant shifts in voter turnout could narrow the margin, though such outcomes have limited historical precedent in this seat.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · AktualisiertMA-09 Wahlsieger
Demokratische Partei
93%
Republikanische Partei
8%
Demokratische Partei
93%
Republikanische Partei
8%
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/).
Markt eröffnet: Jan 28, 2026, 11:09 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 Massachusetts 9th congressional district's established Democratic lean, reflected in its D+6 partisan voting index, underpins the strong trader consensus favoring the Democratic nominee. Incumbent Representative Bill Keating, first elected in 2010 and re-elected with 56 percent in 2024, faces only a minor primary challenge ahead of the September 1, 2026 primaries, while Republican opposition remains limited to a single declared candidate. These structural factors, including the district's South Shore and Cape Cod composition that has trended Democratic in recent cycles, account for the current pricing. Late developments such as an unexpectedly competitive Republican primary or significant shifts in voter turnout could narrow the margin, though such outcomes have limited historical precedent in this seat.
Experimentelle KI-generierte Zusammenfassung mit Polymarket-Daten. Dies ist keine Handelsberatung und spielt keine Rolle bei der Auflösung dieses Marktes. · Aktualisiert
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