MT Senate
Montana Senate winner? (2026)
229k contracts traded · 151k open
Montana is an open seat with Steve Daines retiring, but the market prices it as a safe Republican hold — the state has moved decisively red at the federal level since its last competitive Senate race. The open-seat framing adds primary intrigue without much general-election doubt; the contract sits firmly Republican and moves on who wins the nomination, not November.
Steve Daines
Seat is open in 2026 — the field is still forming; the live board below carries every priced contender.
Montana Senate winner? (2026)
229k contracts traded · 151k open
How to read this
Each contract pays $1 at resolution, so the price in cents is the market’s implied probability — a 58¢ contract is a 58% chance. When the leading price sits near 50¢, the market is telling you the race is a genuine coin flip.
The live board above shows the current market favorite — read each contract’s price as the market’s implied probability, so a 55¢ contract is a 55% chance. Going into the cycle the seat is held by Steve Daines (Republican) and rated safe r; because a real-money market reprices continuously, take today’s favorite off the price, not a static rating.
Kalshi lists the Montana Senate winner as a set of YES/NO contracts, one per outcome, each settling at $1 if it happens and $0 if it doesn’t. Buy the side you think is underpriced relative to your own probability, and the difference between your estimate and the market price is your edge. Kalshi is CFTC-regulated and open to traders in all 50 states; every price on this page links straight to the live market.
Prediction markets had a strong 2024 — Kalshi and Polymarket called all seven swing states correctly the night before, often while the polling averages were still split. Our full state-by-state scorecard, including where the markets missed, is in the 2024 accuracy audit linked below, and it’s the best base rate for how much to trust the Montana contract this cycle.
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