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Live prediction market odds for WI-01 House winner?. Compare prices across Kalshi and Polymarket US and Polymarket.

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Claim offerLegal in USAVerified Sep 14, 2026

Kalshi / Polymarket US / Polymarket

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WI-01 House winner?

2026-11-04

Best price · tap to trade

Bryan Steil (R)67¢1.49xKalshiMitchell Berman (D)34¢2.94xKalshi

About This Market

Traders give Bryan Steil (R) about a 66.3% chance. Mitchell Berman (D) follows at 32.5%. Compare prices from Kalshi, Polymarket US, and Polymarket. The largest cross-platform price difference is 1.5 percentage points.

Traders give Bryan Steil (R) about a 66.3% chance. Mitchell Berman (D) follows at 32.5%. Compare prices from Kalshi, Polymarket US, and Polymarket. The largest cross-platform price difference is 1.5 percentage points.

Polymarket and Kalshi are tracking the WI-01 House winner for the upcoming 2026 elections. This race is pivotal as it could impact the balance of power in Congress and reflect voter sentiment on key issues leading up to the election.

Price History

Multi-Platform Probabilities
Loading 30D data…

Live Markets

3 platforms
OutcomeConsensus
KalshiKalshi
Polymarket USPolymarket US
PolymarketPolymarket
Best price
BS
Bryan Steil (R)
66%
Kalshi67¢
Polymarket US67¢
Polymarket67¢
Kalshi1.49x67¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
67.0%66¢67¢33¢34¢
Polymarket USPolymarket US
66.0%66¢67¢33¢34¢
PolymarketPolymarket
66.0%66¢67¢33¢34¢
MB
Mitchell Berman (D)
33%
Kalshi34¢
Polymarket US34¢
Polymarket34¢
Kalshi2.94x34¢
PlatformImplied %Yes bid / askNo bid / ask
KalshiKalshi
32.0%32¢34¢66¢68¢
Polymarket USPolymarket US
32.0%32¢34¢66¢68¢
PolymarketPolymarket
33.5%33¢34¢66¢67¢
KalshiKalshiPolymarket USPolymarket USPolymarketPolymarket

Candidate Spotlight

About Bryan Steil (R)

Bryan Steil is the current U.S. Representative for Wisconsin's 1st congressional district, serving since 2019. He chairs the House Administration Committee and is a member of the Financial Services Committee. Steil has a decade of experience in Wisconsin's manufacturing industry and served on the University of Wisconsin Board of Regents before entering Congress.

About Mitchell Berman (D)

Mitchell Berman is a nurse and the Democratic nominee for Wisconsin's 1st Congressional District. He won the Democratic primary on August 11, 2026, with approximately 44% of the vote. Berman has 23 years of healthcare experience, including serving as an emergency room nurse at the VA, and emphasizes protecting healthcare access and lowering costs for working families.

Smart Trade Router

$
¢

Resolution Oracles

KalshiKalshi
Kalshi Rules
Read Full Market Rulebooks
Stats
Spread1.5%
Platforms3
Candidates2
Leader

Bryan Steil (R)

66.3% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: WI-01 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 WI-1 for the term beginning in 2027 is a member of the Democratic Party, then the market resolves to Yes.

Resolution Oracles
Kalshi Rules
Polymarket USPolymarket US
Primary Rule

This market will settle to Yes if the Democratic Party nominee wins the 2026 midterm election for the WI-01 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

What factors influence the odds for the WI-01 House race?

Factors include candidate popularity, fundraising capabilities, and local issues that resonate with voters. Polling data and endorsements can also sway public perception and market odds.

How does the WI-01 House race impact national politics?

The outcome could determine party control in the House of Representatives, influencing legislative agendas. A shift in this seat may signal broader trends in voter preferences across the country.

When will the WI-01 House election take place?

The election is scheduled for November 4, 2026. This timing places it alongside other significant federal and state elections, making it a key date for political analysts.

What does the WI-01 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 WI-01 House winner odds?

The latest available prices are Bryan Steil (R): 67.0¢ on Kalshi, 66.0¢ on Polymarket, 66.0¢ on Polymarket US; Mitchell Berman (D): 32.0¢ on Kalshi, 33.5¢ on Polymarket, 32.0¢ 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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Swiss initiatives: September 2026

Resolved Sep 27

Final odds

Prediction HuntPrediction.com coverage

Republicans Favored at 76% to Hold WI-01 as Seven-Way Dem Primary NearsGOP odds jumped 11 points in three days. Kalshi sits at 73%, Polymarket at 80%, with no public polling and no major forecaster rating the race competitive.Aug 9, 2026Democratic Party Surges 8pp in WI-01 House Market to 46% With No CatalystWI-01 hasn't elected a Democrat since 1993, yet prediction markets now split sharply: Kalshi at 33%, Polymarket at 58%, after a 72-hour reprice.Jun 29, 2026WI-01 Democratic Win Odds Fall to 36% Despite $500K Berman Fundraising HaulMarkets price Democrats as a one-in-three shot in R+8 territory even as Berman's 15,000-plus donors signal unusual grassroots depth for a Republican-held seat.Jun 23, 2026

Prediction Market Track Record

Who will be the Republican nominee for Governor in Wisconsin in 2026?LOSTPre-event: 1%

Historical Track Record

Scroll to view past markets

Who will be the Republican nominee for Governor in Wisconsin in 2026?

Resolved

2026-05-01

LOSTBryan Steil (R)
Pre-event: 1%