Massachusetts 7th District House Race Winner
Massachusetts’s 7th Congressional District, anchored in Boston and surrounding communities, will elect its U.S. House representative in the 2026 midterms. The seat is currently held by a Democrat in one of the most reliably blue districts in the country, with the general election outcome likely to hinge on the Democratic primary.
Why Markets Are Watching
House control nationally remains closely contested, making every district’s outcome part of the broader fight for the chamber majority. While MA-07 is not considered competitive between parties, the identity of its next representative still shapes committee assignments, seniority, and the makeup of the Massachusetts delegation in Washington.
How Prediction Markets Frame the Race
With the general election result in a safe Democratic seat largely a formality, the real question markets isolate is which individual candidate secures the nomination and ultimately the seat. Contracts tied to named contenders effectively function as a proxy for the primary contest, translating an intraparty battle into a tradeable, person-specific outcome.
Related terms
Total Volume
$110.3k
Kalshi $336.02 · Polymarket $109.9k
Leading Market
Ayanna Pressley
Kalshi 99% · Polymarket 98%
Ayanna Pressley Volume
$94.5k
Kalshi $23.00 · Polymarket $94.5k
Ayanna Pressley 24h Change
-1.00%
Kalshi 0.00% · Polymarket -1.00%
Calculate Your Potential Return
- Kalshi(opens in a new tab) 7.0% fee
- Polymarket(opens in a new tab) 5.0% fee
| Market | Kalshi Yes | Kalshi Fee | Kalshi Payout | Polymarket Yes | Polymarket Fee | Polymarket Payout |
|---|---|---|---|---|---|---|
| Ayanna PressleyDemocratic Party | 99.0¢ | 7.0% | , trade Ayanna Pressley on Kalshi (opens in a new tab) | 98.0¢ | 5% | , trade Ayanna Pressley on Polymarket (opens in a new tab) |
| Republican Party | 2.3¢ | 7.0% | , trade Republican Party on Kalshi (opens in a new tab) | 3.0¢ | 5% | , trade Republican Party on Polymarket (opens in a new tab) |
* Estimates if candidate wins. Actual returns may vary.
All Markets
| Market | Total Volume | Kalshi(opens in a new tab) | Polymarket(opens in a new tab) |
|---|---|---|---|
| Ayanna PressleyDemocratic Party | $94,510.12 | ||
| Republican Party | $15,755.12 |