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icon for Maine Democratic Senate Primary Winner
Politics·Primary Elections

Maine Democratic Senate Primary Winner

icon for Maine Democratic Senate Primary Winner
Politics·Primary Elections

Maine Democratic Senate Primary Winner

Ended: Jun 9

Ended: Jun 9

Graham Platner 100.0%

Janet Mills <1%

Dan Kleban <1%

Chellie Pingree <1%

Polymarket

$3,707,707 Vol.

Graham Platner 100.0%

Janet Mills <1%

Dan Kleban <1%

Chellie Pingree <1%

Polymarket

$3,707,707 Vol.

Graham Platner

$2,436,691 Vol.

Yes

Janet Mills

$599,396 Vol.

No

Dan Kleban

$81,980 Vol.

No

Chellie Pingree

$91,407 Vol.

No

Jordan Wood

$206,532 Vol.

No

Troy Jackson

$181,373 Vol.

No

Jared Golden

$110,329 Vol.

No

This market will resolve according to the winner of the Democratic Primary for United States Senator from Maine. If no 2026 Maine Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Maine Democratic party, however an overwhelming consensus of credible reporting may suffice.Graham Platner secured the Democratic nomination for U.S. Senate in Maine through dominant polling leads and consolidated support after Governor Janet Mills suspended her campaign on April 30. As an oyster farmer and Marine Corps veteran, Platner built momentum via grassroots fundraising, rural endorsements, and populist messaging on economic issues ahead of the June 9 primary. This positioning reflected trader consensus on his path to victory in a state using ranked-choice voting, where other listed candidates remained marginal. Late developments such as official certification delays, successful legal challenges to results, or unexpected recounts represent the narrow remaining scenarios that could still shift the outcome before final resolution.

This market will resolve according to the winner of the Democratic Primary for United States Senator from Maine.

If no 2026 Maine Democratic Senate Primary takes place, this market will resolve to "Other".

The resolution source for this market will be the first announcement of the results from the Maine Democratic party, however an overwhelming consensus of credible reporting may suffice.This market will resolve according to the winner of the Democratic Primary for United States Senator from Maine. If no 2026 Maine Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Maine Democratic party, however an overwhelming consensus of credible reporting may suffice.
Volume
$3,707,707
End Date
Jun 9, 2026
Market Opened
Sep 15, 2025, 3:40 PM ET

Resolver

0x2F5e3684c...

Outcome proposed: No

No dispute

Final outcome: No

This market will resolve according to the winner of the Democratic Primary for United States Senator from Maine. If no 2026 Maine Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Maine Democratic party, however an overwhelming consensus of credible reporting may suffice.Graham Platner secured the Democratic nomination for U.S. Senate in Maine through dominant polling leads and consolidated support after Governor Janet Mills suspended her campaign on April 30. As an oyster farmer and Marine Corps veteran, Platner built momentum via grassroots fundraising, rural endorsements, and populist messaging on economic issues ahead of the June 9 primary. This positioning reflected trader consensus on his path to victory in a state using ranked-choice voting, where other listed candidates remained marginal. Late developments such as official certification delays, successful legal challenges to results, or unexpected recounts represent the narrow remaining scenarios that could still shift the outcome before final resolution.

This market will resolve according to the winner of the Democratic Primary for United States Senator from Maine.

If no 2026 Maine Democratic Senate Primary takes place, this market will resolve to "Other".

The resolution source for this market will be the first announcement of the results from the Maine Democratic party, however an overwhelming consensus of credible reporting may suffice.This market will resolve according to the winner of the Democratic Primary for United States Senator from Maine. If no 2026 Maine Democratic Senate Primary takes place, this market will resolve to "Other". The resolution source for this market will be the first announcement of the results from the Maine Democratic party, however an overwhelming consensus of credible reporting may suffice.
Volume
$3,707,707
End Date
Jun 9, 2026
Market Opened
Sep 15, 2025, 3:40 PM ET

Resolver

0x2F5e3684c...

Outcome proposed: No

No dispute

Final outcome: No

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Frequently Asked Questions

"Maine Democratic Senate Primary Winner" is a prediction market on Polymarket with 7 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Graham Platner" at 100%, followed by "Janet Mills" at 0%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 100¢ implies that the market collectively assigns a 100% 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, "Maine Democratic Senate Primary Winner" has generated $3.7 million in total trading volume since the market launched on Sep 15, 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 "Maine Democratic Senate Primary Winner," browse the 7 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 "Maine Democratic Senate Primary Winner" is "Graham Platner" at 100%, meaning the market assigns a 100% chance to that outcome. The next closest outcome is "Janet Mills" at 0%. 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 "Maine Democratic Senate 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.