$6.0M
JUN 10, 2026Primary Election
Party selects its nominee.
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Track how candidate odds have moved across common market windows.
source: Kalshi
Fresh AP and Press Herald coverage shows Graham Platner still drawing visible party support and large crowds in the final days before Tuesday’s primary, keeping him the clear market favorite despite lingering controversy.
New AP and Axios reporting says Senate Democrats are increasingly worried about Graham Platner’s viability after the latest controversy, which keeps the Maine primary in focus even with Platner still the clear favorite.
Graham Platner’s odds dipped over the last hour while fresh AP reporting says he is facing a new controversy, keeping attention on the Maine Democratic Senate primary despite his large lead.
Janet Mills has joined the Democratic primary, setting up a direct contest with Graham Platner. Recent polling shows Platner ahead of Mills and slightly stronger against Susan Collins. Union leaders are also pressing Democrats to line up behind Platner. Platner’s polling edge and union support appear to strengthen his position in the primary. Mills’ entry keeps the race competitive, but the latest news may modestly favor Platner.
Maine’s U.S. Senate race is expected to be among the most competitive of the 2026 midterm elections.
A recent poll had Platner up big on Maine's governor in the U.S. Senate race.
Union leaders in recent days have urged Senate Minority Leader Chuck Schumer, D-N
Collins made her plans for 2026 official on Tuesday as polls show a tight race against her Democratic challengers.
The Democratic Party is pulling in a populist direction. But not all populisms are equal.
Janet Mills is sharp, but her candidacy is haunted by Joe Biden’s 2024 debacle.
After President Donald Trump’s unexpectedly competitive showings in big blue states around the country, Republicans emerged from the 2024 election expressing optimism about their prospects in places that Democrats have dominated for years. But as the midterm election approaches, those prospects have dwindled.
Midterm elections 2026 present high hurdles for Republicans defending Senate control amid inflation concerns and President Donald Trump's underwater approval ratings.
Over $78 million has already been spent on the race, which is on pace to smash a state record set in U.S. Sen. Susan Collins’ last campaign.
Maine could be a must-win state if Democrats hope to flip the Senate.
Aggregation source: FiftyPlusOne
Bernie Sanders
Bernie Sanders endorsed Graham Platner for Maine's U.S. Senate race and said he continues to support him after the text-message controversy.
Martin Heinrich
Martin Heinrich endorsed Graham Platner and appeared with him at campaign events in Maine.
Ro Khanna
Ro Khanna endorsed Graham Platner and appeared with him at campaign events in Maine.
G. PlatnerGraham PlatnerJ. MillsJanet Mills
J. WoodJordan Wood
J. GoldenJared Golden
D. KlebanDan Kleban
C. PingreeChellie PingreeA. LaFlammeAndrea LaFlammeSource: FEC
