Illinois Senate Election Margin of Victory

Polymarket traders put "Democrat 20-25%" at 27.5% on "Illinois Senate Election Margin of Victory". Up 2.0%p from yesterday. $452 traded in the last 24 hours. There are 9 possible outcomes. It resolves on Nov 4.

Most likely right now
Democrat 20-25%
▲2.028%
PoliticsVol $452Total volume $4.5KLiquidity $148Kin 25 days (Nov 4)
Current probability

Oct 9 · right column is the 24-hour change (pp)

0%50%100%
Democrat 20-25%
27.5%
▲2.0
Democrat 25-30%
27.5%
▲10.5
Democrat 30-35%
16.0%
▲0.5
Democrat 15-20%
15.5%
–
Democrat 10-15%
5.85%
–
Democrat 5-10%
5.00%
▼4.3
Democrat 0-5%
2.85%
–
Democrat 35%+
2.40%
–
Republican Wins
0.85%
–

Probability over time

Democrat 20-25%
Democrat 25-30%
Democrat 30-35%
Democrat 15-20%
Democrat 10-15%
Democrat 5-10%
02550751008/259/69/139/209/2710/410/9
2026-08-25 ~ 2026-10-09 · y-axis %

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Probabilities are Polymarket trade prices, formed by participants betting real money. They are not official forecasts and are a poor basis for investment decisions.