Dan Koh holds a commanding lead in the Massachusetts 6th Congressional District Democratic primary scheduled for September 1, driven by his early fundraising advantage exceeding $3.5 million and a series of high-profile endorsements, including from former President Joe Biden and former Vice President Kamala Harris. The open seat, created after incumbent Seth Moulton entered the Senate primary, features a crowded field of over a dozen candidates. Recent developments, such as Koh securing ballot access first through signature collection and local support from figures like the Swampscott Select Board chair, have further consolidated his position ahead of the vote. Traders appear to view these structural edges in name recognition and resources as decisive in a race where other contenders trail significantly in visibility and backing.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedDan Koh 80%
Kevin Larivee 4.5%
Rachel Creemers 3.8%
Tram Nguyen 3.3%
$36,937 Vol.
$36,937 Vol.
Dan Koh
80%
Kevin Larivee
5%
Rachel Creemers
4%
Tram Nguyen
3%
John Beccia
3%
Diann Slavit Baylis
2%
Jamie Zahlaway Belsito
2%
Mariah Lancaster
1%
Rick Jakious
1%
Seth Moulton
1%
Beth Andres-Beck
1%
Dominick Pangallo
<1%
Dan Koh 80%
Kevin Larivee 4.5%
Rachel Creemers 3.8%
Tram Nguyen 3.3%
$36,937 Vol.
$36,937 Vol.
Dan Koh
80%
Kevin Larivee
5%
Rachel Creemers
4%
Tram Nguyen
3%
John Beccia
3%
Diann Slavit Baylis
2%
Jamie Zahlaway Belsito
2%
Mariah Lancaster
1%
Rick Jakious
1%
Seth Moulton
1%
Beth Andres-Beck
1%
Dominick Pangallo
<1%
If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other".
The resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.
Any replacement of the nominee before election day will not change the resolution of the market.
Market Opened: Nov 25, 2025, 3:39 PM ET
Resolver
0x2F5e3684c...If no nominee is announced by November 3, 2026, 11:59PM ET, this market will resolve to "Other".
The resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.
Any replacement of the nominee before election day will not change the resolution of the market.
Resolver
0x2F5e3684c...Dan Koh holds a commanding lead in the Massachusetts 6th Congressional District Democratic primary scheduled for September 1, driven by his early fundraising advantage exceeding $3.5 million and a series of high-profile endorsements, including from former President Joe Biden and former Vice President Kamala Harris. The open seat, created after incumbent Seth Moulton entered the Senate primary, features a crowded field of over a dozen candidates. Recent developments, such as Koh securing ballot access first through signature collection and local support from figures like the Swampscott Select Board chair, have further consolidated his position ahead of the vote. Traders appear to view these structural edges in name recognition and resources as decisive in a race where other contenders trail significantly in visibility and backing.
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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