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Live prediction market odds for IL-11 House winner?. Compare prices across Kalshi and Polymarket US and Polymarket.

Kalshi

Kalshi

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Claim offerLegal in USAVerified Sep 14, 2026

Kalshi / Polymarket US / Polymarket

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IL-11 House winner?

2026-11-03

Best price · tap to trade

Bill Foster (D)96¢1.04xPolymarket USJeff Walter (R)4¢25.00xKalshi

About This Market

Traders give Bill Foster (D) about a 96.2% chance. Jeff Walter (R) follows at 3.6%. Compare prices from Kalshi, Polymarket US, and Polymarket. The largest cross-platform price difference is 3.7 percentage points.

Traders give Bill Foster (D) about a 96.2% chance. Jeff Walter (R) follows at 3.6%. Compare prices from Kalshi, Polymarket US, and Polymarket. The largest cross-platform price difference is 3.7 percentage points.

Polymarket and Kalshi are tracking the winner of the IL-11 House election. This market resolves based on the official results announced after the election on November 3, 2026, with odds fluctuating based on campaign developments and voter sentiment leading up to the date.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

3 platforms
OutcomeConsensus
KalshiKalshi
Polymarket USPolymarket US
PolymarketPolymarket
Best price
BF
Bill Foster (D)
96%
Kalshi98¢
Polymarket US96¢
Polymarket96¢
Polymarket US1.04x96¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
97.0%96¢98¢2¢4¢
Polymarket USPolymarket US
96.0%95¢96¢4¢5¢
PolymarketPolymarket
95.5%95¢96¢4¢5¢
JW
Jeff Walter (R)
4%
Kalshi4¢
Polymarket US5¢
Polymarket5¢
Kalshi27.78x4¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
1.3%1¢4¢96¢99¢
Polymarket USPolymarket US
5.0%4¢5¢95¢96¢
PolymarketPolymarket
4.5%4¢5¢95¢96¢
KalshiKalshiPolymarket USPolymarket USPolymarketPolymarket

Candidate Spotlight

About Bill Foster (D)

Bill Foster is the U.S. Representative for Illinois' 11th Congressional District, serving since 2013. He previously represented the 14th District from 2008 to 2011. As the only physicist in Congress, he brings a unique scientific perspective to legislative matters.

Smart Trade Router

$
¢

Resolution Oracles

KalshiKalshi
Kalshi Rules
Read Full Market Rulebooks
Stats
Spread3.7%
Platforms3
Candidates2
Leader

Bill Foster (D)

96.2% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: IL-11 House winner?

Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket US.

KalshiKalshi
Primary Rule

If the House member sworn in for IL-11 for the term beginning in 2027 is a member of the Republican Party, then the market resolves to Yes.

Edge Cases

This market is eligible for accelerated determination after a consensus of media organizations project the winner. See full rules for details.

Resolution Oracles
Kalshi Rules
Polymarket USPolymarket US
Primary Rule

This market will settle to Yes if the Republican Party nominee wins the 2026 midterm election for the IL-11 congressional district seat. Outcome sourced from relevant government authorities. The determination of the winner includes any runoff, tiebreak, or other relevant procedure under the applicable rules of the relevant jurisdiction.

Frequently Asked Questions

When will the IL-11 House election results be announced?

Official results for the IL-11 House election will be announced after the election on November 3, 2026. These results will determine the winner of the market.

What factors influence the odds for the IL-11 House winner market?

Odds for the IL-11 House winner market are influenced by campaign developments, polling data, and voter sentiment. Changes in these factors can lead to fluctuations in market prices leading up to the election.

Which platforms are tracking the IL-11 House winner market?

The IL-11 House winner market is being tracked by Polymarket and Kalshi. These platforms provide real-time odds based on the evolving political landscape.

What does the IL-11 House winner prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Polymarket in one place. Each price reflects the market’s implied probability, not a guaranteed result.

What are the latest IL-11 House winner odds?

The latest available prices are Bill Foster (D): 97.0¢ on Kalshi, 95.5¢ on Polymarket, 96.0¢ on Polymarket US; Jeff Walter (R): 1.3¢ on Kalshi, 4.5¢ on Polymarket, 5.0¢ on Polymarket US. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity.

Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?

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