18+ · Available in most US states · 1-800-GAMBLERWhere it’s legal · Offers updated daily
Would You Bet? Compare platforms

Would you bet…

Will the Democrats win the Maine Senate race in 2026? Predictions

The market saysLeaning yes64% YES
YES 64%
36% NO

A YES share pays out if this happens and NO pays out if it doesn’t — so the 64% price is just the market’s implied chance of YES. How YES/NO contracts work →

Platform
Polymarket
Volume
$613,300 volume
Updated
1 hour ago

Democrats are the favorite in Maine’s 2026 Senate race, with the YES contract at 64%. The market has has held steady barely a point either way, a modest shift that reflects the fundamentals of a state lean: Maine has voted Democratic in the last four presidential cycles and elected a Democratic governor in 2022. Incumbent Senator Angus King, an independent, is not seeking reelection, which opens the seat.

The 36% price reflects real uncertainty. Maine’s 2nd Congressional District leans Republican, and a well-funded GOP challenger could narrow the race. National headwinds matter too—midterm dynamics in 2026 will depend on conditions two years out, which no one can reliably predict. Turnout and candidate quality, unknowns at this stage, will shape the outcome.

This market has traded $613k in volume, modest for a statewide race, suggesting limited conviction on either side. Watch for: Democratic candidate announcements and funding; any strong Republican recruitment; and shifts in national generic ballot polling as 2026 approaches. For now, the price is anchored to Maine’s recent voting patterns, but the seat remains live.

FAQ

What does a 64% price mean?

It is the market-implied probability. A 64% YES price means traders collectively judge the event about 64% likely.

How does this market resolve?

This market will resolve according to the winner of the 2026 midterm Maine U.S. Senate election, inclusive of any run-offs. 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 no

Where can I trade it?

This market is listed on Polymarket. Prediction markets carry real financial risk and may not be available in every state.

Are political prediction markets legal in the US?

On CFTC-regulated exchanges, political event contracts are available to traders 18+ in most states, though the picture is contested and varies by state. See our guide on whether prediction markets are legal.

How are the odds set?

By traders, not a bookmaker. The price is the live consensus of everyone buying and selling, expressed as a probability between 1% and 99%.

Where can I trade politics markets?

Kalshi and Polymarket carry the deepest US political markets — compare them in our Kalshi and Polymarket reviews.

What is a prediction market?

A prediction market lets you trade contracts on whether a real-world event will happen. The live price moves with supply and demand and reads as the implied probability. Read more →

How do the odds work?

Every price between 1¢ and 99¢ is the implied chance of YES. A contract settles at $1 if it resolves yes and $0 if it does not. Read more →

Trade this on Polymarket →

Prediction market contracts carry real financial risk and can resolve to zero. 18+.