Maine’s 2026 Senate race pits Republican incumbent Susan Collins against Democratic nominee Graham Platner, who secured the nomination with 72% in the June 9 primary after Governor Janet Mills withdrew. Recent polling from late May through mid-June shows Platner holding a narrow lead or statistical tie, with averages near 48% Platner to 42% Collins among likely voters. Maine’s consistent Democratic tilt in presidential contests, including Kamala Harris’s roughly 7-point 2024 margin, has contributed to trader pricing that assigns the Democratic outcome a clear edge. Collins remains the sole Republican senator from New England and has historically performed well with crossover voters, yet current surveys indicate those margins have narrowed amid national midterm dynamics. The race is rated a toss-up by most forecasters, with the final weeks of campaigning and any late shifts in turnout among independents likely to determine the outcome.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updateMaine Senate Election Winner
$520,169 Vol.
$520,169 Vol.

Democrat
67%

Republican
35%
$520,169 Vol.
$520,169 Vol.

Democrat
67%

Republican
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.
Binuksan ang Market: 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...Maine’s 2026 Senate race pits Republican incumbent Susan Collins against Democratic nominee Graham Platner, who secured the nomination with 72% in the June 9 primary after Governor Janet Mills withdrew. Recent polling from late May through mid-June shows Platner holding a narrow lead or statistical tie, with averages near 48% Platner to 42% Collins among likely voters. Maine’s consistent Democratic tilt in presidential contests, including Kamala Harris’s roughly 7-point 2024 margin, has contributed to trader pricing that assigns the Democratic outcome a clear edge. Collins remains the sole Republican senator from New England and has historically performed well with crossover voters, yet current surveys indicate those margins have narrowed amid national midterm dynamics. The race is rated a toss-up by most forecasters, with the final weeks of campaigning and any late shifts in turnout among independents likely to determine the outcome.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update
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