Stefany Shaheen maintains a modest lead in trader consensus for the September 8 Democratic primary in New Hampshire’s 1st Congressional District, driven by strong name recognition as the daughter of retiring Sen. Jeanne Shaheen, prior local office experience, and endorsements from labor and establishment groups. Maura Sullivan has closed the gap through superior fundraising exceeding $3 million, her Marine veteran credentials, Obama administration background, and endorsements including VoteVets, while recent Saint Anselm and UNH polls show the two essentially tied in the low-to-mid 20s amid more than 30% undecided voters. Negative advertising exchanges over donor sources and family legacy, plus state Rep. Heath Howard’s late withdrawal and endorsement of Carleigh Beriont, have added volatility but left minor candidates with limited support. The primary’s outcome hinges on turnout among undecided Democrats in the final weeks.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedStefany Shaheen 56%
Maura Sullivan 43%
Carleigh Beriont 2.1%
Heath Howard 1.4%
$41,630 Vol.
$41,630 Vol.

Stefany Shaheen
56%

Maura Sullivan
43%

Carleigh Beriont
2%

Heath Howard
1%
Stefany Shaheen 56%
Maura Sullivan 43%
Carleigh Beriont 2.1%
Heath Howard 1.4%
$41,630 Vol.
$41,630 Vol.

Stefany Shaheen
56%

Maura Sullivan
43%

Carleigh Beriont
2%

Heath Howard
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, 4:40 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...Stefany Shaheen maintains a modest lead in trader consensus for the September 8 Democratic primary in New Hampshire’s 1st Congressional District, driven by strong name recognition as the daughter of retiring Sen. Jeanne Shaheen, prior local office experience, and endorsements from labor and establishment groups. Maura Sullivan has closed the gap through superior fundraising exceeding $3 million, her Marine veteran credentials, Obama administration background, and endorsements including VoteVets, while recent Saint Anselm and UNH polls show the two essentially tied in the low-to-mid 20s amid more than 30% undecided voters. Negative advertising exchanges over donor sources and family legacy, plus state Rep. Heath Howard’s late withdrawal and endorsement of Carleigh Beriont, have added volatility but left minor candidates with limited support. The primary’s outcome hinges on turnout among undecided Democrats in the final weeks.
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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