House
Who will win the Massachusetts 5th District general election for the US House of Representatives in 2026?
MA-05 General Election 2026 · Nov 3, 2026 · Trading closed
$350 vol.
OutcomeChancePrice
Katherine ClarkDemocratic89%Closed- Republican Primary WinnerRepublican—Closed
About this market
Traders last priced Katherine Clark at 89% to win.
The market has $350 in volume across 4 trades; the most recent was on Mar 6, 2026.
Trading closed on Sep 18, 2026. The result is confirmed by Massachusetts Secretary of the Commonwealth Elections Division.
This race determines the outcome of the general election for the US House of Representatives in Massachusetts 5th District, shaping representation in the US House of Representatives.
Rules and timeline
Each outcome is its own contract. A Yes contract pays $1 if its outcome happens and $0 if not; a No contract pays the reverse. Because the contracts trade separately, their chances don't have to add up to 100%.
- Katherine ClarkResolves Yes if Katherine Clark wins the Massachusetts 5th District general election for the US House of Representatives in 2026.
- Republican Primary WinnerResolves Yes if Republican Primary Winner wins the Massachusetts 5th District general election for the US House of Representatives in 2026.
Result confirmed by Massachusetts Secretary of the Commonwealth Elections Division.
- Trading opened
- Jan 23, 2026
- Trading closed
- Sep 18, 2026
- Expected result
- Sep 21, 2026
- Expected payout
- Nov 19, 2026
More Massachusetts elections
1.1K open interest Massachusetts Senate General Election
Closes Nov 19, 2026
Related markets
Elections · United States House
AK-AL General Election
Closes Dec 3, 2026AL-01 General Election
Closes Nov 25, 2026AL-02 General Election
Closes Nov 25, 2026AL-03 General Election
Closes Nov 25, 2026AL-04 General Election
Closes Nov 25, 2026AL-05 General Election
Closes Nov 25, 2026AL-06 General Election
Closes Nov 25, 2026AL-07 General Election
Closes Nov 25, 2026
Prices are the last trades on the ForecastEx exchange and can be delayed by about ten minutes. A chance is the price of a Yes contract, not a forecast by Aries. Event contracts involve risk, including the loss of the full amount paid. Information on this page is for informational purposes only and is not investment advice.