IL Senate
Illinois Senate winner? (2026)
5.9k contracts traded · 4.0k open
IL SENATE 2026Live · updated hourlyRating: Safe D
Illinois Senate Race 2026 — Live Prediction Market Odds
Illinois opened up with Dick Durbin’s retirement, but an open seat in a reliably blue state does not move the market much — it prices as a safe Democratic hold. The real contest is the Democratic primary; the general-election contract sits deep on the Democratic side, and the edge, if any, is in how the field consolidates rather than who ultimately wins in November.
Seat held by Dick Durbin (D)retiring — OPEN SEAT
Who holds the Illinois seat
Dick Durbin
DemocratOpen seat
Seat is open in 2026 — the field is still forming; the live board below carries every priced contender.
Live Illinois Senate Market
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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.
Illinois Senate 2026 — frequently asked
Who is favored to win the Illinois Senate race in 2026?
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 Dick Durbin (Democrat) and rated safe d; because a real-money market reprices continuously, take today’s favorite off the price, not a static rating.
How do I trade the Illinois Senate market on Kalshi?
Kalshi lists the Illinois 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.
How accurate were prediction markets in Illinois in 2024?
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 Illinois contract this cycle.
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