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%
Closed: Aug 12, 12:54 AM EST
Kalshi
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.
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.
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.