Maine Senate Race Odds 2026
Prices as of 2026-11-03 22:50 UTC.
Troy JacksonD leads at 69% across 4 venues: Kalshi 70%, Polymarket US 69%, PredictIt 67%, Polymarket 70%. Susan CollinsR is at 32%.
Final prices before polls closed
Frozen at 2026-11-03 22:47 UTC. The result is entered when the race is called and scored on the results ledger.
- Kalshi Troy Jackson 70%
- Polymarket US Troy Jackson 69%
- PredictIt Troy Jackson 69%
- Polymarket Troy Jackson 70%
Candidates and prices
| Candidate | Kalshi | Polymarket US | PredictIt | Polymarket | Consensus |
|---|---|---|---|---|---|
| Troy JacksonD Chosen at a July 25 Democratic nominating convention (566-5) after primary winner Graham Platner withdrew on July 8 | 70% bid 69¢ · ask 70¢ · OI $3.0M | 69% ask 70¢ | 67% buy 67¢ | 70% vol $2.2M | 69% |
| Susan CollinsR incumbent Senator since 1997, seeking a sixth term; unopposed in primary | 32% bid 31¢ · ask 32¢ · OI $6.1M | 30% ask 31¢ | 33% buy 37¢ | 32% vol $1.9M | 32% |
Where to trade this race
Every book we know that takes this race, with the price it shows for Troy Jackson. The brokers trade Kalshi's contract at Kalshi's price. Partner books pay us a referral fee; the order is paying books first, which never changes a price.
Each book checks age and location at sign-up. How the sites compare.
The race
The forecasters' consensus rating is Toss-up, favouring the Democrat. The markets' consensus has Troy JacksonD at 69%. The market leader is not the incumbent party, so the markets price a flip. What a price means.
How the Kalshi market resolves
If a representative of the Democratic party is sworn in as a Senator of Maine for the term beginning in 2027, then the market resolves to Yes.
Related races
- Maine Governor: Hannah PingreeD at 97%
- Iowa Senate: Josh TurekD at 50%
- Kansas Senate: Adam HamiltonD at 66%
- Alaska Senate: Mary PeltolaD at 69%
- South Carolina Senate: Darline GrahamR at 70%
- Nebraska Senate: Pete RickettsR at 72%