TOTAL VOLUME:

$134.1b

24H VOL:

$141,541,542

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,440,096,988

406,065

Markets across

30,522

events

MATCHED EVENTS:

2,692

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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WI-01 Republican nominee?
kalshi

WI-01 Republican nominee?

Volume:
$8,788

Bryan Steil

 - Kalshi

Bryan Steil - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Aug 12, 2026

Closed: Aug 12, 12:54 AM EST

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Kalshi

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Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

Bryan Steil

View
100%
Yes 100¢No 0¢
100¢
N/A
$4,420
N/A
N/A
$2,289
1mo 4d
Yes
kalshi

Connor Walleck

0%
Yes 0¢No 100¢
100¢
N/A
$4,368
N/A
N/A
$3,165
1mo 4d
No
Total markets: 2

Intro

This market tracks whether Bryan Steil will secure the Republican Party nomination for the 2026 U.S. House race in Wisconsin's 1st congressional district. On Kalshi, Bryan Steil holds 98.0% probability of becoming the nominee, while Connor Walleck stands at 2.0%. The market resolves based on official Republican Party nomination results for the WI-01 seat. Watch the 2026 general election on November 3rd to see whether the nominated candidate prevails in the general contest.

Kalshi

If Bryan Steil wins the nomination for the Republican Party to contest the 2026 WI-01 House seat, then the market resolves to Yes. If Connor Walleck wins the nomination for the Republican Party to contest the 2026 WI-01 House seat, then the market resolves to Yes.

Frequently asked questions

The WI-01 Republican nominee dashboard on Kalshi tracks real-time odds and historical price movements for the Republican primary race in Wisconsin's 1st Congressional District. The dashboard displays the current probability of each candidate becoming the Republican nominee, along with 24-hour trading volume of $281 and total group volume of $8,788. Users can monitor how odds shift as new campaign developments, endorsements, and polling data emerge. The interface provides a transparent view of how prediction market participants are pricing the likelihood of each potential nominee through their trading activity.

Prediction market odds on Kalshi often diverge from traditional polling averages because markets incorporate real-money incentives and forward-looking expectations. While polls capture voter sentiment at a single moment, prediction markets reflect traders' beliefs about the eventual outcome and can price in information about candidate momentum, fundraising, and organizational strength. Comparing market odds to recent polls helps identify whether traders are more or less confident than survey respondents. This divergence can signal where informed participants see opportunities or risks that public polling may not yet fully reflect.

The WI-01 Republican nominee market resolves on Nov 3, 2026. Resolution is determined by the official outcome of the Republican primary process in Wisconsin's 1st Congressional District. The market will settle based on which candidate is officially designated as the Republican nominee for the general election. Traders should monitor primary election dates, candidate withdrawals, and official party certification announcements as these events will directly influence when and how the market ultimately resolves.

Key events that could shift WI-01 Republican nominee odds include candidate endorsements from party leadership, major fundraising announcements or spending reports, debate performances, local media coverage, and shifts in voter preference indicated by new polling. Candidate withdrawals or entry into the race would immediately reprrice the market. Scandals, gaffes, or significant campaign developments can trigger rapid trader response. Turnout expectations and changes in the primary calendar may also influence market pricing. Traders actively monitor Wisconsin political news and national Republican dynamics for signals about nomination momentum.