Will the Democratic Party win the IL-01 House seat?

Predicted at2026-03-02 00:10 UTC
Prediction99.8%
Market (at prediction)95.0%
Market (live)

Analysis

All 8 agents are in near-perfect consensus (96-99%, mean 97.25%) that Democrats will win IL-01. The evidence is overwhelming and consistent: 90+ years of continuous Democratic control, D+18 PVI, 32-point margin in 2024, Solid D rating, majority-minority urban district in Chicago's South Side. No agent found any credible threat. The only downside risks mentioned are extreme tail events (death, scandal, unprecedented realignment) which would still likely result in a Democratic win given the district's structural lean.

The market is priced at 95%, and the ensemble mean is 97.25%. This gives a theoretical edge of ~2.25%. However, this falls below the 5% edge threshold for a TRADE recommendation. The market at 95% already prices in the near-certainty of a Democratic win with a small tail-risk discount, which is reasonable. While I believe the true probability is closer to 97%, the edge is insufficient to justify a trade given transaction costs and the small absolute return on a 95→97 move. All agents would bet at 95% odds, but the edge is marginal rather than strong.


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