Incumbent Democrat Bill Keating holds a commanding position in the Massachusetts 9th Congressional District race, backed by the district’s consistent Democratic lean and his established record in Congress. Keating secured the Democratic nomination with roughly 77-80% of the primary vote on September 1, 2026, after defeating challenger Craig Swallow, while Republican nominee R. Tyler MacAllister advanced unopposed from his primary. Forecasters rate the seat Safe or Solid Democratic, reflecting its D+6 partisan voter index, coastal and suburban voter base, and Keating’s long tenure with key committee roles. MacAllister, a former Mattapoisett selectman and commercial fisherman, brings local experience but limited statewide visibility or resources in a district where Democrats have prevailed by double-digit margins in recent cycles. Late developments such as a major scandal, health event, or unanticipated national Republican surge could narrow the gap, though such shifts remain uncommon in this environment.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoMA-09 House Election Winner
MA-09 House Election Winner
$23,264 Vol.
$23,264 Vol.
2 nov 2026
Bill Keating (D)
95%
Tyler MacAllister (R)
5%
$23,264 Vol.
$23,264 Vol.
2 nov 2026
Bill Keating (D)
$8,275 Vol.
95%
Tyler MacAllister (R)
$14,989 Vol.
5%
This market will resolve according to the party of the candidate who wins the MA-09 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).Incumbent Democrat Bill Keating holds a commanding position in the Massachusetts 9th Congressional District race, backed by the district’s consistent Democratic lean and his established record in Congress. Keating secured the Democratic nomination with roughly 77-80% of the primary vote on September 1, 2026, after defeating challenger Craig Swallow, while Republican nominee R. Tyler MacAllister advanced unopposed from his primary. Forecasters rate the seat Safe or Solid Democratic, reflecting its D+6 partisan voter index, coastal and suburban voter base, and Keating’s long tenure with key committee roles. MacAllister, a former Mattapoisett selectman and commercial fisherman, brings local experience but limited statewide visibility or resources in a district where Democrats have prevailed by double-digit margins in recent cycles. Late developments such as a major scandal, health event, or unanticipated national Republican surge could narrow the gap, though such shifts remain uncommon in this environment.
This market will resolve according to the party of the candidate who wins the MA-09 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).
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/).
Mercato aperto: Jan 28, 2026, 11:09 AM ET
Volume
$23,264Data di fine
3 nov 2026Mercato aperto
Jan 28, 2026, 11:09 AM ETRisolutore
0x2F5e3684c...This market will resolve according to the party of the candidate who wins the MA-09 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).Incumbent Democrat Bill Keating holds a commanding position in the Massachusetts 9th Congressional District race, backed by the district’s consistent Democratic lean and his established record in Congress. Keating secured the Democratic nomination with roughly 77-80% of the primary vote on September 1, 2026, after defeating challenger Craig Swallow, while Republican nominee R. Tyler MacAllister advanced unopposed from his primary. Forecasters rate the seat Safe or Solid Democratic, reflecting its D+6 partisan voter index, coastal and suburban voter base, and Keating’s long tenure with key committee roles. MacAllister, a former Mattapoisett selectman and commercial fisherman, brings local experience but limited statewide visibility or resources in a district where Democrats have prevailed by double-digit margins in recent cycles. Late developments such as a major scandal, health event, or unanticipated national Republican surge could narrow the gap, though such shifts remain uncommon in this environment.
This market will resolve according to the party of the candidate who wins the MA-09 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026.
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/).
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/).
Volume
$23,264Data di fine
3 nov 2026Mercato aperto
Jan 28, 2026, 11:09 AM ETRisolutore
0x2F5e3684c...Incumbent Democrat Bill Keating holds a commanding position in the Massachusetts 9th Congressional District race, backed by the district’s consistent Democratic lean and his established record in Congress. Keating secured the Democratic nomination with roughly 77-80% of the primary vote on September 1, 2026, after defeating challenger Craig Swallow, while Republican nominee R. Tyler MacAllister advanced unopposed from his primary. Forecasters rate the seat Safe or Solid Democratic, reflecting its D+6 partisan voter index, coastal and suburban voter base, and Keating’s long tenure with key committee roles. MacAllister, a former Mattapoisett selectman and commercial fisherman, brings local experience but limited statewide visibility or resources in a district where Democrats have prevailed by double-digit margins in recent cycles. Late developments such as a major scandal, health event, or unanticipated national Republican surge could narrow the gap, though such shifts remain uncommon in this environment.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato
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