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Massachusetts 2026 election odds on Polymarket

Updated September 24, 2026 at 17:34 UTC · refreshed twice a day · Election Day is November 3, 2026

Polymarket odds for Massachusetts in the 2026 midterms. Massachusetts's Senate race: Ed Markey (Democrat) leads at 97.9% (Safe Democrat). Massachusetts's governor race: Maura Healey (Democrat) leads at 95.7% (Safe Democrat). House: Democrats favoured in 9 and Republicans in 0 of 9 districts with a market.

RaceDemocratRepublicanRatingVolume
SenateEd Markey 97.9%John Deaton 1.9%Safe Democrat$48.4Krace page
GovernorMaura Healey 95.7%Michael Minogue 2.9%Safe Democrat$94.9Krace page
House MA-01Richard Neal 95%Republican 4.5%Safe Democrat$52.1Krace page
House MA-02Jim McGovern 94.5%Republican 4.5%Likely Democrat$73.1Krace page
House MA-03Lori Trahan 96.3%Gary Grossi 2.2%Safe Democrat$23.3Krace page
House MA-04Jake Auchincloss 97.2%Tom Stalcup 0.9%Safe Democrat$47.5Krace page
House MA-05Katherine Clark 96.8%Republican 2.2%Safe Democrat$37.3Krace page
House MA-06Dan Koh 95.5%Micah Jones 3.3%Safe Democrat$27.2Krace page
House MA-07Ayanna Pressley 97.9%Republican 1.9%Safe Democrat$36.5Krace page
House MA-08Stephen Lynch 97%Robert Burke 1.7%Safe Democrat$27.7Krace page
House MA-09Bill Keating 95%Tyler MacAllister 4.5%Safe Democrat$23.3Krace page

Same races on Kalshi: Senate: Democrat 98.2% / Republican 1.4% · Governor: Democrat 95.3% / Republican 5.1% (midpoint of bid and ask).

Ratings from the favourite's price: safe 95%+, likely 80–95%, lean 60–80%, toss-up below 60%. Prices are Polymarket share prices read as probabilities, not polls. Educational information, not betting advice.

National picture: 2026 midterm forecast · Senate forecast · House forecast · Governor forecast

Frequently asked questions

Who is favoured in Massachusetts's 2026 elections?

Polymarket odds for Massachusetts in the 2026 midterms. Massachusetts's Senate race: Ed Markey (Democrat) leads at 97.9% (Safe Democrat). Massachusetts's governor race: Maura Healey (Democrat) leads at 95.7% (Safe Democrat). House: Democrats favoured in 9 and Republicans in 0 of 9 districts with a market.

How are the ratings set?

From the favourite's price in each race's Polymarket winner market: 95% or more is safe, 80–95% likely, 60–80% lean and below 60% a toss-up. Market prices, not polls.

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