Home › 2026 Midterms › By state › Massachusetts
Updated October 6, 2026 at 13:29 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 98.2% (Safe Democrat). Massachusetts's governor race: Maura Healey (Democrat) leads at 96.2% (Safe Democrat). House: Democrats favoured in 9 and Republicans in 0 of 9 districts with a market.
| Race | Democrat | Republican | Rating | Volume | |
|---|---|---|---|---|---|
| Senate | Ed Markey 98.2% | John Deaton 1.8% | Safe Democrat | $48.8K | race page |
| Governor | Maura Healey 96.2% | Michael Minogue 3.6% | Safe Democrat | $96.0K | race page |
| House MA-01 | Richard Neal 95.5% | Republican 3.3% | Safe Democrat | $55.9K | race page |
| House MA-02 | Jim McGovern 96% | Republican 4.5% | Safe Democrat | $74.7K | race page |
| House MA-03 | Lori Trahan 95% | Gary Grossi 3.8% | Safe Democrat | $23.3K | race page |
| House MA-04 | Jake Auchincloss 97.2% | Tom Stalcup 1.8% | Safe Democrat | $48.2K | race page |
| House MA-05 | Katherine Clark 96.9% | Republican 2.2% | Safe Democrat | $37.3K | race page |
| House MA-06 | Dan Koh 95.5% | Micah Jones 3.1% | Safe Democrat | $27.2K | race page |
| House MA-07 | Ayanna Pressley 98% | Republican 1.9% | Safe Democrat | $36.5K | race page |
| House MA-08 | Stephen Lynch 97.4% | Robert Burke 1.5% | Safe Democrat | $27.9K | race page |
| House MA-09 | Bill Keating 95.8% | Tyler MacAllister 2.9% | Safe Democrat | $28.3K | race page |
Same races on Kalshi: Senate: Democrat 98.8% / Republican 1.2% · Governor: Democrat 95.3% / Republican 5.0% (midpoint of bid and ask).
Ratings from the favorite'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
On November 3: election night guide (when polls close, how these markets resolve, what moves the odds).
Quoting these numbers in an article, a paper or a newsletter? Copy this citation and keep the date, because prices move. Tips: how to cite Polymarket odds.
Polymarket View, “Massachusetts 2026 election odds on Polymarket”, October 6, 2026, https://polymarkettrader.com/odds/2026-elections/massachusetts/ (data: Polymarket, CC BY 4.0).
Polymarket odds for Massachusetts in the 2026 midterms. Massachusetts's Senate race: Ed Markey (Democrat) leads at 98.2% (Safe Democrat). Massachusetts's governor race: Maura Healey (Democrat) leads at 96.2% (Safe Democrat). House: Democrats favoured in 9 and Republicans in 0 of 9 districts with a market.
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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