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Politics·Primaries

MA-06 Democratic Primary Winner

icon for MA-06 Democratic Primary Winner
Politics·Primaries

MA-06 Democratic Primary Winner

Dan Koh 91%

Tram Nguyen 9.7%

Seth Moulton <1%

John Beccia <1%

Polymarket

$156,696 Vol.

Dan Koh 91%

Tram Nguyen 9.7%

Seth Moulton <1%

John Beccia <1%

Polymarket

$156,696 Vol.

icon for Dan Koh

Dan Koh

$78,439 Vol.

91%

icon for Tram Nguyen

Tram Nguyen

$26,502 Vol.

10%

icon for Seth Moulton

Seth Moulton

$4,873 Vol.

<1%

icon for John Beccia

John Beccia

$9,667 Vol.

<1%

icon for Mariah Lancaster

Mariah Lancaster

$4,362 Vol.

<1%

icon for Jamie Zahlaway Belsito

Jamie Zahlaway Belsito

$3,970 Vol.

<1%

icon for Kevin Larivee

Kevin Larivee

$2,864 Vol.

<1%

icon for Dominick Pangallo

Dominick Pangallo

$8,344 Vol.

<1%

icon for Beth Andres-Beck

Beth Andres-Beck

$3,806 Vol.

<1%

icon for Rick Jakious

Rick Jakious

$4,380 Vol.

<1%

icon for Rachel Creemers

Rachel Creemers

$3,425 Vol.

<1%

icon for Diann Slavit Baylis

Diann Slavit Baylis

$6,065 Vol.

<1%

This market will resolve according to the candidate who wins the nomination for the Democratic Party to contest the MA-06 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Democratic primary will take place on September 15, 2026. If no nominee is announced by November 3, 2026, 11:59PM 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.Dan Koh maintains a commanding lead in the MA-06 Democratic primary due to his substantial fundraising advantage, exceeding $4.5 million with millions in cash reserves, combined with high-profile endorsements from former President Biden, Vice President Harris, labor unions, and local officials. This has enabled extensive television and mail advertising ahead of the September 1 vote for the open seat vacated by Rep. Seth Moulton. Recent polls show Koh ahead by double digits, bolstered by his prior congressional primary experience and White House service. State Rep. Tram Nguyen trails as the strongest alternative, emphasizing her legislative record and refugee background in a grassroots campaign, while self-funded challenger John Beccia and the remaining candidates lag significantly in resources and visibility. Late shifts in turnout or unexpected developments could narrow the gap, though current evidence points to a durable frontrunner position.

This market will resolve according to the candidate who wins the nomination for the Democratic Party to contest the MA-06 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Democratic primary will take place on September 15, 2026.

If no nominee is announced by November 3, 2026, 11:59PM 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
$156,696
End Date
Sep 1, 2026
Market Opened
Nov 25, 2025, 3:39 PM ET

Resolver

0x2F5e3684c...
This market will resolve according to the candidate who wins the nomination for the Democratic Party to contest the MA-06 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Democratic primary will take place on September 15, 2026. If no nominee is announced by November 3, 2026, 11:59PM 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-06 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Democratic primary will take place on September 15, 2026. If no nominee is announced by November 3, 2026, 11:59PM 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.Dan Koh maintains a commanding lead in the MA-06 Democratic primary due to his substantial fundraising advantage, exceeding $4.5 million with millions in cash reserves, combined with high-profile endorsements from former President Biden, Vice President Harris, labor unions, and local officials. This has enabled extensive television and mail advertising ahead of the September 1 vote for the open seat vacated by Rep. Seth Moulton. Recent polls show Koh ahead by double digits, bolstered by his prior congressional primary experience and White House service. State Rep. Tram Nguyen trails as the strongest alternative, emphasizing her legislative record and refugee background in a grassroots campaign, while self-funded challenger John Beccia and the remaining candidates lag significantly in resources and visibility. Late shifts in turnout or unexpected developments could narrow the gap, though current evidence points to a durable frontrunner position.

This market will resolve according to the candidate who wins the nomination for the Democratic Party to contest the MA-06 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Democratic primary will take place on September 15, 2026.

If no nominee is announced by November 3, 2026, 11:59PM 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
$156,696
End Date
Sep 1, 2026
Market Opened
Nov 25, 2025, 3:39 PM ET

Resolver

0x2F5e3684c...
This market will resolve according to the candidate who wins the nomination for the Democratic Party to contest the MA-06 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The Democratic primary will take place on September 15, 2026. If no nominee is announced by November 3, 2026, 11:59PM 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.

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Frequently Asked Questions

"MA-06 Democratic Primary Winner" is a prediction market on Polymarket with 12 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Dan Koh" at 91%, followed by "Tram Nguyen" at 10%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 91¢ implies that the market collectively assigns a 91% 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.

As of today, "MA-06 Democratic Primary Winner" has generated $156.7K in total trading volume since the market launched on Nov 25, 2025. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "MA-06 Democratic Primary Winner," browse the 12 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-06 Democratic Primary Winner" is "Dan Koh" at 91%, meaning the market assigns a 91% chance to that outcome. The next closest outcome is "Tram Nguyen" at 10%. 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-06 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.