Will the Democratic Party win the IL-15 House seat?

Prediction markets currently give a 5% probability that Will the Democratic Party win the IL-15 House seat?. This contract trades at 5¢ on Polymarket, closing November 3, 2026. This market shows extreme illiquidity with zero 24-hour volume despite $23K open interest, suggesting the 5¢ price may not reflect genuine market consensus but rather stale positioning.

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5¢
Bid/Ask 4/5¢·Spread 1¢·Vol $0·OI $43,546.705·Closes Nov 3, 2026·195d remaining
0x598b2c7ac71d375e181ec96e5d9c2cd0a63dd81f45474f53eaaee75506c9c908

Analysis

4d ago

This market shows extreme illiquidity with zero 24-hour volume despite $23K open interest, suggesting the 5¢ price may not reflect genuine market consensus but rather stale positioning. The astronomical 3,468% implied yield on the Yes side is a classic sign of a deeply mispriced long-shot contract where minimal capital is required to move prices dramatically, creating a cliff risk index of 19 that indicates high volatility potential. With 200 days to expiry and IL-15 being a historically Republican-leaning district, the 5% Democratic probability appears reasonable fundamentally, but the complete absence of recent trading activity warrants caution before treating this price as reliable market intelligence.

Resolution rules

This market will resolve according to the party of the candidate who wins the IL-15 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 4, 2026. ​A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources. This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).

Indicators

IY (Yes) 3553.7%
IY (No) 9.8%
Adj IY 1777%
CRI 19
▶ Full indicator table (4)
IndicatorValue
IY (Yes)3553.7%
IY (No)9.8%
Adj IY1777%
CRI19

Regime

Label
neutral
Score
0.5
Spread
1¢
Computed
4/21/2026, 8:25:18 PM
Indicators computed 4/21/2026, 8:23:18 PM

Trade

View on polymarketsf trade 0x598b2c7ac71d375e181ec96e5d9c2cd0a63dd81f45474f53eaaee75506c9c908 yes 100

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