TOTAL VOLUME:
$97.2b
24H VOL:
$195,930,743
24H TRANSACTIONS:
950,106,883
OPEN INTEREST:
$2,066,493,046
825,151
Markets across
14,840
events
MATCHED EVENTS:
886
PLATFORM COVERAGE:
5
Polymarket:
45%
VS.
Kalshi:
55%
Maine Senate winner? Odds & Prediction Markets
Will Democratics win the Senate race in Maine?
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Intro
This market tracks which party will win Maine's Senate seat in the 2027 term. On Kalshi, Democrats winning the race stands at 62.0%, while Republicans winning stands at 38.0%. The market resolves based on which party's representative is sworn in as Maine's Senator for the term beginning in 2027, as determined by official election results. Watch for the Senate swearing-in on January 4, 2027, when the resolution will be finalized.
Kalshi
The Maine Senate election in 2026 determines which party will hold the seat for the term beginning in 2027. Resolution occurs when a representative of either the Republican or Democratic party is sworn in as Senator of Maine for that term. If the Democratic candidate withdraws from the race and a Democratic representative wins the general election, the Democratic market resolves to Yes.
Frequently asked questions
Prediction market odds on Kalshi often diverge from traditional polling because markets incorporate trader expectations about turnout, late-breaking developments, and campaign momentum that polls may lag in capturing. While polls measure voter preference at a single point in time, prediction markets reflect real-money bets and continuous price discovery. For the Maine Senate race, comparing market-implied probabilities to recent poll aggregates can reveal whether traders are pricing in scenarios pollsters have not yet fully reflected, or conversely, whether markets are more conservative than survey data suggests.
On Kalshi, the Maine Senate winner market is priced as a binary contract reflecting the probability that Republicans will win the Senate race in Maine. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current market price implies a 65.0% chance of that outcome. Traders buy or sell shares at prices between 0 and 100 cents, with the contract settling at 100 cents if the outcome occurs or 0 cents if it does not. Price movements reflect evolving trader beliefs about candidate viability, campaign events, and polling shifts leading up to the Jan 4, 2027 resolution date.
The Maine Senate winner market on Kalshi resolves on Jan 4, 2027. Resolution is determined by the official result of Maine's Senate election. The market will settle based on which candidate or party is declared the winner by state election authorities. Traders should monitor official election night reporting and any subsequent certification processes to understand the final outcome that will be used to settle all positions in this market.
Key catalysts for Maine Senate winner odds include candidate debate performances, campaign spending announcements, endorsements from prominent figures, and shifts in polling data. Economic news affecting voter sentiment, campaign gaffes or controversies, and voter turnout models can also drive significant price moves. Late-stage polling releases and early voting or absentee ballot returns in the final weeks may trigger sharp repricing as traders update their probability estimates. Local Maine issues such as healthcare, energy policy, and fiscal priorities may also influence market sentiment as the election approaches.
Follow the signals, not the noise
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