TOTAL VOLUME:

$134.2b

24H VOL:

$130,522,377

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,438,389,636

404,028

Markets across

30,214

events

MATCHED EVENTS:

2,681

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

BETA
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Politics
Maine Democratic Senate Primary Winner
polymarket

Maine Democratic Senate Primary Winner

Volume:
$3,707,707

Graham Platner

 - Polymarket

Graham Platner - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Jun 10, 2026

Closed: Jun 8, 8:00 PM EST

polymarket

Polymarket

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

Graham Platner

View
100%
Yes 100¢No 0¢
0.1¢
N/A
$2,436,691
N/A
N/A
N/A
Settled
Yes
polymarket

Janet Mills

0%
Yes 0¢No 100¢
—
N/A
$599,396
N/A
N/A
N/A
Settled
No
polymarket

Jordan Wood

0%
Yes 0¢No 100¢
—
N/A
$206,532
N/A
N/A
N/A
Settled
No
polymarket

Troy Jackson

0%
Yes 0¢No 100¢
—
N/A
$181,373
N/A
N/A
N/A
Settled
No
polymarket

Jared Golden

0%
Yes 0¢No 100¢
—
N/A
$110,329
N/A
N/A
N/A
Settled
No
polymarket

Chellie Pingree

0%
Yes 0¢No 100¢
—
N/A
$91,407
N/A
N/A
N/A
Settled
No
polymarket

Dan Kleban

0%
Yes 0¢No 100¢
—
N/A
$81,980
N/A
N/A
N/A
Settled
No
polymarket

Other

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

Player A

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

Player B

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

Player C

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

Player D

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

Player E

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

Player F

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

Player G

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

Player H

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

Player I

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

Player J

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

Player K

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

Player L

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

Player M

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

Player N

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

Player O

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

Player P

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

Player Q

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 25 of 29

Intro

This market tracks which candidate will secure the Democratic nomination for U.S. Senator from Maine. On Polymarket, Graham Platner holds 98.4% probability of becoming the Democratic nominee, while Janet Mills stands at 0.7%. The market will resolve based on the official results announced by the Maine Democratic Party or an overwhelming consensus of credible reporting. Watch for the outcome of the 2026 Maine Democratic Senate Primary, scheduled for July 31, 2026, which will determine the resolution.

Frequently asked questions

The Maine Democratic Senate Primary Winner dashboard on Polymarket tracks real-time odds and price movements for the Democratic nominee in Maine's 2026 Senate race. It displays current implied probability for the leading candidate, $3,707,707 in total group volume, and $67,482 in 24-hour trading activity. The dashboard updates continuously as traders buy and sell shares, reflecting the market's collective forecast of which Democrat will secure the party's nomination. Historical price charts and volume metrics help users understand sentiment shifts and conviction levels among prediction market participants.

Prediction market odds on Polymarket often diverge from traditional polling because markets incorporate trader conviction, fundraising data, and real-time political developments. While polls measure voter preference at a single moment, prediction markets aggregate ongoing information and financial incentives. For the Maine Democratic primary, market participants may weight factors like candidate momentum, media coverage, and endorsements differently than pollsters do. Comparing market odds to recent polls reveals whether traders are pricing in scenarios polls have not yet captured, offering a complementary lens on the race's trajectory.

The Maine Democratic Senate Primary Winner market resolves on Jul 31, 2026. Resolution is determined by the official outcome of Maine's Democratic Senate primary election. The market will settle based on which candidate receives the Democratic Party's nomination for the U.S. Senate seat. Traders holding shares in the winning candidate receive their payout, while shares in non-winning candidates expire worthless. The exact resolution criteria and official sources are specified in the market's terms, ensuring clarity on how the outcome will be verified.

Key catalysts for price movement include candidate announcements, debate performances, endorsements from Maine Democratic leaders, and fundraising reports. Media coverage of scandals or policy positions can shift trader sentiment rapidly. Primary election results from other states may influence expectations about Maine's race dynamics. Polling releases showing shifts in voter preference will likely trigger trading activity. Candidate withdrawals or new entrants to the race would dramatically reprrice the market. Grassroots organizing efforts and voter turnout indicators closer to the primary date will also drive odds adjustments as traders update their forecasts based on emerging ground-level signals.