Will the Republican Party win the IL-12 House seat?
Market price history
Rolling 7-day window of market YES price with the OU fair-price range overlay.
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Market price
YES94¢ (94%)
NO6¢ (6%)
Latest refresh · prices in cents
Polymarket • Volume: $7.8K • Updated 2h agoCloses: 2026-11-03
Polymarket · Politics
OU's Pick
NO at 6¢ · pays 15×
Price gap
Polymarket6¢
→OU's fair8¢
+2¢ underpriced · pays 15×
Confidence
Moderate
Illinois' 12th district is a deeply Republican stronghold represented by Mike Bost and has not been competitive for Democrats in recent election cycles.
Off market consensus
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