MA-08 Democratic Primary Winner
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This hub tracks 15 outcomes of this event, with the news signals that move them.
What are the odds right now?
Each outcome shows its current market price — the market-implied probability it happens. Click an outcome for its full market page.
What moved the odds?
18 AI-matched news signals available across this event, newest first. Entry price is the called side when the news hit; the signed return marks it against the outcome’s final price as of .
Stephen Lynch wins Democratic nomination for U.S. House in Massachusetts' 8th Congressional District
Live: Incumbent Stephen Lynch wins the Democratic primary for Massachusetts's 8th Congressional District, NBC News projects
Democratic Rep. Stephen Lynch defeats a younger challenger in Massachusetts primary
Decision Desk HQ projects Stephen Lynch wins the MA US House 8 Democratic Primary • • #DecisionMade: 10:42 PM EDT
DDHQ Race Update (est. 44% in): Massachusetts US House 8 Democratic Primary • • Stephen Lynch (D): 25,668 (57.2%) • Patrick Roath (D): 19,249 (42.9%) • • Follow more results here: •
DDHQ Race Update (est. 44% in): Massachusetts US House 8 Democratic Primary • • Stephen Lynch (D): 25,668 (57.2%) • Patrick Roath (D): 19,249 (42.9%) • • Follow more results here: •
DDHQ Race Update (est. 35% in): Massachusetts US House 8 Democratic Primary • • Stephen Lynch (D): 19,438 (54.6%) • Patrick Roath (D): 16,135 (45.4%) • • Follow more results here: •
DDHQ Race Update (est. 21% in): Massachusetts US House 8 Democratic Primary • • Stephen Lynch (D): 11,242 (53.5%) • Patrick Roath (D): 9,762 (46.5%) • • Follow more results here: •
DDHQ Race Update (est. 21% in): Massachusetts US House 8 Democratic Primary • • Stephen Lynch (D): 11,242 (53.5%) • Patrick Roath (D): 9,762 (46.5%) • • Follow more results here: •
DDHQ Race Update (est. 17% in): Massachusetts US House 8 Democratic Primary • • Stephen Lynch (D): 8,750 (52.4%) • Patrick Roath (D): 7,956 (47.6%) • • Follow more results here: •
DDHQ Race Update (est. 17% in): Massachusetts US House 8 Democratic Primary • • Stephen Lynch (D): 8,750 (52.4%) • Patrick Roath (D): 7,956 (47.6%) • • Follow more results here: •
DDHQ Race Update (est. 8% in): Massachusetts US House 8 Democratic Primary • • Patrick Roath (D): 4,400 (53.0%) • Stephen Lynch (D): 3,901 (47.0%) • • Follow more results here: •
DDHQ Race Update (est. 8% in): Massachusetts US House 8 Democratic Primary • • Patrick Roath (D): 4,400 (53.0%) • Stephen Lynch (D): 3,901 (47.0%) • • Follow more results here: •
DDHQ Race Update (est. 0% in): Massachusetts US House 8 Democratic Primary • • Stephen Lynch (D): 142 (75.1%) • Patrick Roath (D): 47 (24.9%) • • Follow more results here: •
DDHQ Race Update (est. 0% in): Massachusetts US House 8 Democratic Primary • • Stephen Lynch (D): 142 (75.1%) • Patrick Roath (D): 47 (24.9%) • • Follow more results here: •
Boston Globe endorses Patrick Roath, progressive primary challenger to Rep. Stephen Lynch:
Boston Globe endorses Patrick Roath, progressive primary challenger to Rep. Stephen Lynch:
PAC helping Stephen Lynch (facing a younger progressive opponent) working with Shawmut Strategies Group, whose clients include Flock. (Lynch was part of House AI working group.) •
What is this event about?
This market will resolve according to the candidate who wins the nomination for the Democratic Party to contest the MA-08 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Democratic primary will take place on September 1, 2026.
If no nominee is announced by November 3, 2026, 11:59 PM ET, this market will resolve to "Other".
The resolution source for this market will be a consensus of official Democrat sources, including https://democrats.org/.
Any replacement of the nominee before election day will not change the resolution of the market.