Skip to main content
icon for MA-08 Democratic Primary Winner
Politics·US Election

MA-08 Democratic Primary Winner

icon for MA-08 Democratic Primary Winner
Politics·US Election

MA-08 Democratic Primary Winner

Stephen Lynch 71%

Patrick Roath 40%

Andrew Zylberfink 19.1%

Polymarket
NEW

Stephen Lynch 71%

Patrick Roath 40%

Andrew Zylberfink 19.1%

Polymarket
NEW

Stephen Lynch

$2,104 Vol.

57%

Patrick Roath

$0 Vol.

40%

Andrew Zylberfink

$191 Vol.

19%

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.Trader consensus in the MA-08 Democratic primary slightly favors challenger Patrick Roath at 50% over 24-year incumbent Stephen Lynch at 46.5%, with Andrew Zylberfink trailing at 20.6%, reflecting Roath's rapid fundraising—over $430,000 in under five months by late 2025—and recent endorsements from a dozen local elected officials announced April 27, alongside backing from David Hogg's Leaders We Deserve PAC. This generational contest pits the 39-year-old election attorney and new father against 71-year-old Lynch, criticized for past votes like Iraq War support, energizing progressive voters in the deep-blue district spanning Boston and eastern Massachusetts. A February poll showed Lynch leading 62%-36%, but Roath's grassroots momentum and youth appeal have narrowed the gap ahead of the September 1 primary; further endorsements, debates, or updated polling could create separation.

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.
Volume
$2,295
End Date
Sep 1, 2026
Market Opened
Mar 3, 2026, 6:22 PM ET

Resolver

0x69c47De9D...
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.
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.Trader consensus in the MA-08 Democratic primary slightly favors challenger Patrick Roath at 50% over 24-year incumbent Stephen Lynch at 46.5%, with Andrew Zylberfink trailing at 20.6%, reflecting Roath's rapid fundraising—over $430,000 in under five months by late 2025—and recent endorsements from a dozen local elected officials announced April 27, alongside backing from David Hogg's Leaders We Deserve PAC. This generational contest pits the 39-year-old election attorney and new father against 71-year-old Lynch, criticized for past votes like Iraq War support, energizing progressive voters in the deep-blue district spanning Boston and eastern Massachusetts. A February poll showed Lynch leading 62%-36%, but Roath's grassroots momentum and youth appeal have narrowed the gap ahead of the September 1 primary; further endorsements, debates, or updated polling could create separation.

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.
Volume
$2,295
End Date
Sep 1, 2026
Market Opened
Mar 3, 2026, 6:22 PM ET

Resolver

0x69c47De9D...
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.

Related

icon for Will Dan Koh be the Democratic nominee for MA-06?

Will Dan Koh be the Democratic nominee for MA-06?

70%
icon for Will Joe Baldacci be the Democratic nominee for ME-02?

Will Joe Baldacci be the Democratic nominee for ME-02?

55%
icon for Will Adrian Boafo be the Democratic nominee for MD-05?

Will Adrian Boafo be the Democratic nominee for MD-05?

61%

Beware of external links.

Frequently Asked Questions

"MA-08 Democratic Primary Winner" is a prediction market on Polymarket with 3 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Stephen Lynch" at 57%, followed by "Patrick Roath" at 40%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 57¢ implies that the market collectively assigns a 57% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

"MA-08 Democratic Primary Winner" is a newly created market on Polymarket, launched on Mar 3, 2026. As an early market, this is your opportunity to be among the first traders to set the odds and establish the market's initial price signals. You can also bookmark this page to track volume and trading activity as the market gains traction over time.

To trade on "MA-08 Democratic Primary Winner," browse the 3 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "MA-08 Democratic Primary Winner" is "Stephen Lynch" at 57%, meaning the market assigns a 57% chance to that outcome. The next closest outcome is "Patrick Roath" at 40%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "MA-08 Democratic Primary Winner" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.