TOTAL VOLUME:

$134b

24H VOL:

$103,397,351

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,410,176,180

399,592

Markets across

30,097

events

MATCHED EVENTS:

2,622

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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MA-08 Democratic Primary Winner
polymarket

MA-08 Democratic Primary Winner

Volume:
$238,948

Stephen Lynch

 - Polymarket

Stephen Lynch - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 2, 2026

Closed: Sep 2, 1:42 AM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Stephen Lynch

View
100%
21%
Yes 100¢No 0¢
0.1¢
N/A
$135,787
N/A
N/A
N/A
Settled
Yes
polymarket

Patrick Roath

View
0%
20%
Yes 0¢No 100¢
—
N/A
$99,659
N/A
N/A
N/A
Settled
No
polymarket

Andrew Zylberfink

View
0%
Yes 0¢No 100¢
—
N/A
$3,503
N/A
N/A
N/A
Settled
No
polymarket

Candidate G

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate I

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate A

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate B

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate C

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate D

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate E

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate F

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate H

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate J

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Candidate K

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Other

View
N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 15

Description

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.

Polymarket

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.

Frequently asked questions

Prediction market odds on Polymarket often diverge from traditional polling because traders incorporate real-time information, campaign momentum, and insider knowledge. While polls capture voter sentiment at a single moment, markets continuously reprice based on new developments, fundraising reports, and endorsements. For MA-08, the current market probability reflects aggregated trader expectations rather than a snapshot of likely voters. Comparing market odds to recent polls can reveal where traders believe conditions have shifted or where public opinion may lag market-implied sentiment.

The MA-08 Democratic Primary Winner market resolves on Sep 1, 2026. Resolution is determined by the official Democratic primary election result for Massachusetts's 8th congressional district. The market will pay out based on which candidate wins the Democratic nomination and advances to the general election. Traders should monitor the primary date, candidate filings, and any changes to the race structure that could affect which outcomes are eligible for payout.

Key catalysts for MA-08 include candidate announcements, major endorsements from state or national figures, debate performances, and fundraising disclosures. Campaign spending, grassroots organizing intensity, and media coverage can shift trader expectations. Unexpected candidate withdrawals or entries would dramatically reprice the market. Local issues—labor disputes, infrastructure projects, or constituent concerns—may influence momentum. National political developments affecting Democratic primary dynamics could also move odds. Traders typically react quickly to news, so watch for statements from party leaders, polling releases, and campaign events in the weeks leading up to the primary.