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MA-03 House Winner? 2026 Race Odds: Trahan vs. Grossi | Kalshi

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House

MA-03 House winner?

Resolves by winning party

100

Trahan

Nov 3 ·D +34.0margin forecast

Grossi

$7,493 vol

Chance

Lori Trahan

Democratic party

95.7%

▼ 1.4

Lori Trahan

Democratic party

95.7%

▼ 1.4

Gary Grossi

Republican party

4.3%

▲ 1.4

Gary Grossi

Republican party

4.3%

▲ 1.4

Race Intel

MA-03 House Race 2026

ElectionNov 3, 2026General election

IncumbentLori Trahan (D)Running for re-election

MA-03 House Candidates and Fundraising

CandidateRaisedSmall Donors

Gary GrossiR
$8,347
19%
$8,347 raised·19% small donors
Lori TrahanD
$1.6M
0.0%
$1.6M raised·0.0% small donors

Fundraising: FEC filings · Small-donor ≤ $200. This does not include third party expenditures.

Past MA-03 Election Results

Past presidential elections

2024D +18.9%2020D +27.4%

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MA-03 House election: Lori Trahan vote percent

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MA-03 House winner?

Lori Trahan

Dollars$

Odds

98% chance

Max payout

Nov 3, 2027

$0

Which party will win the House?

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