The 2026 Maine U.S. Senate race features incumbent Republican Susan Collins seeking a sixth term against Democratic nominee Graham Platner, who secured the nomination after winning the June 9 primary following Janet Mills’ withdrawal. Maine’s recent presidential voting patterns and its status as a state carried by Democratic candidates create structural headwinds for the Republican incumbent, though Collins has historically drawn cross-party support as a moderate. Recent polls from mid-June show a toss-up contest with Platner holding narrow leads or statistical ties within margins of error. Trader consensus reflected in current pricing assigns the Democratic outcome a higher implied probability, consistent with the state’s partisan lean and the solidified general-election matchup, while noting the race’s sensitivity to turnout, national conditions, and late developments before November 3.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jourVainqueur des élections sénatoriales du Maine
$525,003 Vol.
$525,003 Vol.

Démocrate
67%

Républicain
35%
$525,003 Vol.
$525,003 Vol.

Démocrate
67%

Républicain
35%
A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Marché ouvert : Oct 13, 2025, 5:28 PM ET
Resolver
0x2F5e3684c...A candidate shall be considered to represent a party in the event that he or she is the nominee of the party in question. Candidates other than the Democratic or Republican nominee (e.g., Greens, Libertarian, independent) may be added at a later date.
Candidates who run as independents will not be encompassed by the “Democrat” or “Republican” options regardless of any affiliation they may have with the party.
The resolution source for this market is the Associated Press, Fox News, and NBC. This market will resolve once all three sources call the race for the same candidate. If all three sources haven’t called the race in this state for the same candidate, this market will resolve based on the official certification.
Resolver
0x2F5e3684c...The 2026 Maine U.S. Senate race features incumbent Republican Susan Collins seeking a sixth term against Democratic nominee Graham Platner, who secured the nomination after winning the June 9 primary following Janet Mills’ withdrawal. Maine’s recent presidential voting patterns and its status as a state carried by Democratic candidates create structural headwinds for the Republican incumbent, though Collins has historically drawn cross-party support as a moderate. Recent polls from mid-June show a toss-up contest with Platner holding narrow leads or statistical ties within margins of error. Trader consensus reflected in current pricing assigns the Democratic outcome a higher implied probability, consistent with the state’s partisan lean and the solidified general-election matchup, while noting the race’s sensitivity to turnout, national conditions, and late developments before November 3.
Résumé expérimental généré par IA à partir des données Polymarket. Ceci n'est pas un conseil de trading et ne joue aucun rôle dans la résolution de ce marché. · Mis à jour
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