2026 midterms2026 Maine Senate election odds
Compare current market prices for the Maine Senate election, including the candidates, venue differences and contract rules.
About 3 in 5 Down 4 pts this week (Kalshi)
Average of Kalshi (56%) and Polymarket (59%).
Prices to buy now. $100 on Kalshi at the ask pays $178 if correct, before fees.
About 2 in 5 Up 4 pts this week (Kalshi)
Average of Kalshi (45%) and Polymarket (42%).
Prices to buy now. $100 on Polymarket at the ask pays $238 if correct, before fees.
2026 Maine Senate election odds
Each row is an outcome, with its price to buy. Tap a price to trade it.
| Outcome | Maine Senate winner?Kalshi and Polymarket |
|---|---|
| Troy Jackson (D) | Kalshi56¢Polymarket59¢ |
| Susan Collins (R) | Kalshi45¢Polymarket42¢ |
Each price is what one Yes contract costs on that venue; it pays $1, so 53¢ is about a 53% chance. Source: Kalshi via DeFi Rate and Polymarket via DeFi Rate, observed between Oct 5, 11:25 PM and 11:37 PM ET.
Biggest moves, last 7 days
Change in percentage points over 7 days, from daily closing prices to the latest observation (Oct 5, 11:33 PM ET).
Why Maine matters for Senate control
Maine is one of the races traders watch for a possible change in Senate control. The winner market is about the state election itself, not a direct bet on which party will hold the chamber. Candidate news and new orders can move its price even when the national control market barely changes.
Read each venue's rules
Compare the outcome names and the exact resolution terms before treating two prices as equivalent. A candidate winner contract and a party winner contract may describe related results but are not automatically identical. Check the quote age, available orders and fees before placing a trade. For the national view, see our midterm odds hub and all Senate races.
Maine Senate election questions
- Is the Maine Senate winner the same as Senate control?
No. Maine determines one seat; control depends on the full chamber and how the other races resolve.
- Why might two exchanges show different Maine odds?
The venues have different orders, liquidity and sometimes different contract wording. Read the rules of each market before comparing prices.
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