Live prediction market odds for MA-03 House winner?. Compare prices across .
This market resolved on Nov 4, 2026. Lori Trahan (D) was the officially declared outcome.
Prediction markets on Polymarket and Kalshi are tracking the winner of the MA-03 House election.
Prediction markets on Polymarket and Kalshi are tracking the winner of the MA-03 House election. This market resolves based on the official election results announced on November 3, 2026, following the voting process in that congressional district.
| Question | Result |
|---|---|
Lori Trahan (D)WINNER | Yes |
Gary Grossi (R) | No |
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket US.
KalshiIf the House member sworn in for MA-03 for the term beginning in 2027 is a member of the Republican Party, then the market resolves to Yes.
This market is eligible for accelerated determination after a consensus of media organizations project the winner. See full rules for details.
Polymarket USThis market will settle to Yes if the Republican Party nominee wins the 2026 midterm election for the MA-03 congressional district seat. Outcome sourced from relevant government authorities. The determination of the winner includes any runoff, tiebreak, or other relevant procedure under the applicable rules of the relevant jurisdiction.
The MA-03 House election is scheduled for November 3, 2026. This date aligns with the general election day in the United States.
The winner will be determined based on the official election results. Votes will be counted and reported after the polls close on election day.
Polymarket and Kalshi are the platforms currently tracking the MA-03 House winner market. They provide real-time odds based on market sentiment leading up to the election.
The outcomes listed above show how traders are pricing this question. Venue prices are not currently available on this page. Each price reflects the market’s implied probability, not a guaranteed result. This event is archived; prices shown are historical.
No historical prices are available on this page. The last available price is not necessarily the final settlement price.
