The Massachusetts 5th congressional district's deep Democratic lean, reflected in its D+24 Cook Partisan Voter Index and consistent historical results, anchors trader consensus at 97 percent for the Democratic nominee heading into the November 2026 general election. Incumbent Representative Katherine Clark seeks another term in the eastern Massachusetts suburbs and Cambridge area after running unopposed in 2024, facing only minor primary challengers on September 1 with no notable Republican recruitment or infrastructure in place. Forecasters across outlets rate the seat Safe or Solid Democratic, consistent with the absence of recent developments that would shift the balance. Potential alterations remain limited to an unexpected primary outcome, Clark's withdrawal, or an unusually competitive Republican effort in the general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedMA-05 House Election Winner
$37,214 Vol.
$37,214 Vol.
Democratic Party
97%
Republican Party
2%
$37,214 Vol.
$37,214 Vol.
Democratic Party
97%
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 Massachusetts 5th congressional district's deep Democratic lean, reflected in its D+24 Cook Partisan Voter Index and consistent historical results, anchors trader consensus at 97 percent for the Democratic nominee heading into the November 2026 general election. Incumbent Representative Katherine Clark seeks another term in the eastern Massachusetts suburbs and Cambridge area after running unopposed in 2024, facing only minor primary challengers on September 1 with no notable Republican recruitment or infrastructure in place. Forecasters across outlets rate the seat Safe or Solid Democratic, consistent with the absence of recent developments that would shift the balance. Potential alterations remain limited to an unexpected primary outcome, Clark's withdrawal, or an unusually competitive Republican effort in the general election.
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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