# Illinois Senate winner? (2028): prediction market odds

> Live prediction market odds for "Illinois Senate winner? (2028)". Democratic party leads at 94.8%. Next is Republican party at 5.2%. $3K has traded across 2 outcomes on Kalshi. The market is expected to resolve by Nov 7, 2029.

- Status: Live
- Prices updated: 2026-11-04T22:03:00Z (2 h ago)
- Expected to resolve by: Nov 7, 2029
- Volume traded: $3K
- Venues: Kalshi
- Category: politics

## Odds by outcome

| Outcome | Chance | Kalshi |
| --- | --- | --- |
| Democratic party | 94.8% | 99.2% |
| Republican party | 5.2% | 5.4% |

"Chance" blends the venues' prices, weighted by volume, with each venue's margin removed so outcomes add to 100%. Venue columns are each venue's own price.

## How each venue settles

- Kalshi: Kalshi (CFTC-regulated exchange). Sources: [United States Congress](https://www.congress.gov/).

## Links

- Full page with charts and order books: https://thepredictionmarkets.com/odds/illinois-senate-winner-2028
- Trade on Kalshi: https://kalshi.com/markets/senateil?utm_source=thepredictionmarkets.com&utm_medium=referral
- API (free key): https://api.thepredictionmarkets.com/api/public/v1/events/illinois-senate-winner-2028

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Source: The Prediction Markets (https://thepredictionmarkets.com), which compares Kalshi and Polymarket prices side by side. Prices are market-implied probabilities, not forecasts by TPM. Cite the page URL and the "Prices updated" time.