Tom Tiffany secured the Republican nomination for Wisconsin governor in the August 11 primary with over 95 percent of the vote after President Donald Trump endorsed him in January 2026, prompting stronger rivals to exit and leaving only minor challengers like Andy Manske. Tiffany's background as a U.S. representative from the Seventh District, prior state legislative service, and alignment with conservative priorities such as tax cuts and deregulation consolidated party support in an open-seat contest. Trader consensus reflects this outcome as near-certain, though late certification issues or unforeseen legal challenges could still alter final resolution in the narrow window before market settlement.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedTom Tiffany 99.8%
Andy Manske <1%
Eric Hovde <1%
Sean Duffy <1%
$98,239 Vol.
$98,239 Vol.
Tom Tiffany
100%
Andy Manske
1%
Eric Hovde
<1%
Sean Duffy
<1%
Rebecca Kleefisch
<1%
Josh Schoemann
<1%
Tommy Thompson
<1%
Tim Michels
<1%
Tom Tiffany 99.8%
Andy Manske <1%
Eric Hovde <1%
Sean Duffy <1%
$98,239 Vol.
$98,239 Vol.
Tom Tiffany
100%
Andy Manske
1%
Eric Hovde
<1%
Sean Duffy
<1%
Rebecca Kleefisch
<1%
Josh Schoemann
<1%
Tommy Thompson
<1%
Tim Michels
<1%
If no 2026 Wisconsin Gubernatorial Republican Primary takes place, this market will resolve to “Other.”
The resolution source for this market will be the first official announcement of the results from the Wisconsin Republican Party; however, an overwhelming consensus of credible reporting may suffice.
Market Opened: Dec 11, 2025, 10:40 AM ET
Resolver
0x2F5e3684c...Outcome proposed: No
No dispute
Final outcome: No
If no 2026 Wisconsin Gubernatorial Republican Primary takes place, this market will resolve to “Other.”
The resolution source for this market will be the first official announcement of the results from the Wisconsin Republican Party; however, an overwhelming consensus of credible reporting may suffice.
Resolver
0x2F5e3684c...Outcome proposed: No
No dispute
Final outcome: No
Tom Tiffany secured the Republican nomination for Wisconsin governor in the August 11 primary with over 95 percent of the vote after President Donald Trump endorsed him in January 2026, prompting stronger rivals to exit and leaving only minor challengers like Andy Manske. Tiffany's background as a U.S. representative from the Seventh District, prior state legislative service, and alignment with conservative priorities such as tax cuts and deregulation consolidated party support in an open-seat contest. Trader consensus reflects this outcome as near-certain, though late certification issues or unforeseen legal challenges could still alter final resolution in the narrow window before market settlement.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated



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