The open Massachusetts 6th Congressional District seat, vacated by Rep. Seth Moulton for his 2026 Senate challenge against Ed Markey, underpins trader consensus pricing Democratic Party victory at over 95% implied probability, reflecting the district's strong D+11 partisan voting index and history of lopsided Democratic margins. Recent fundraising momentum among nine Democratic primary contenders—including Dan Koh, Tram Nguyen, and John Beccia—signals robust party investment ahead of the August filing deadline and September 1 primary, while the lone Republican faces steep structural barriers in this North Shore battleground. Scenarios to challenge this include a high-profile GOP recruit, Democratic nominee scandal post-primary, or national midterm wave favoring Republicans, though historical base rates for safe seats suggest low upset risk.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedMA-06 House Election Winner
MA-06 House Election Winner
$14,682 Vol.
$14,682 Vol.
Democratic Party
95%
Republican Party
2%
$14,682 Vol.
$14,682 Vol.
Democratic Party
95%
Republican Party
2%
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, 11:09 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 open Massachusetts 6th Congressional District seat, vacated by Rep. Seth Moulton for his 2026 Senate challenge against Ed Markey, underpins trader consensus pricing Democratic Party victory at over 95% implied probability, reflecting the district's strong D+11 partisan voting index and history of lopsided Democratic margins. Recent fundraising momentum among nine Democratic primary contenders—including Dan Koh, Tram Nguyen, and John Beccia—signals robust party investment ahead of the August filing deadline and September 1 primary, while the lone Republican faces steep structural barriers in this North Shore battleground. Scenarios to challenge this include a high-profile GOP recruit, Democratic nominee scandal post-primary, or national midterm wave favoring Republicans, though historical base rates for safe seats suggest low upset risk.
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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