The district's strong Republican lean, with a partisan voting index favoring the GOP by double digits and a history of consistent conservative victories, anchors the 88.5% Republican probability in the WI-07 House election market. An open seat after incumbent Tom Tiffany opted to run for governor instead of seeking reelection has drawn a crowded primary field, but the August 11, 2026, results clarified the general election matchup, with Michael Alfonso securing the Republican nomination and Fred Clark advancing for Democrats. Forecasters rate the race solid or likely Republican, aligning with the 11.5% Democratic share as traders price in limited crossover potential in this northwestern Wisconsin district ahead of the November 3 general election.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedWI-07 House Election Winner
$34,544 Vol.
$34,544 Vol.
Republican Party
89%
Democratic Party
12%
$34,544 Vol.
$34,544 Vol.
Republican Party
89%
Democratic Party
12%
A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.
This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).
Market Opened: Jan 28, 2026, 11:24 AM ET
Resolver
0x2F5e3684c...A candidate's party will be determined by their ballot-listed or otherwise identifiable affiliation with that party at the time all of the 2026 House elections are conclusively called by this market's resolution sources. A candidate without a ballot-listed affiliation to either the Democrat or Republican parties will be considered a member of one of these parties based on the party with which they most recently expressed their intent to caucus at the time all of the House elections are conclusively called by this market's resolution sources.
This market will resolve based on the result of the election as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the United States government, specifically the Federal Election Commission (https://www.fec.gov/).
Resolver
0x2F5e3684c...The district's strong Republican lean, with a partisan voting index favoring the GOP by double digits and a history of consistent conservative victories, anchors the 88.5% Republican probability in the WI-07 House election market. An open seat after incumbent Tom Tiffany opted to run for governor instead of seeking reelection has drawn a crowded primary field, but the August 11, 2026, results clarified the general election matchup, with Michael Alfonso securing the Republican nomination and Fred Clark advancing for Democrats. Forecasters rate the race solid or likely Republican, aligning with the 11.5% Democratic share as traders price in limited crossover potential in this northwestern Wisconsin district ahead of the November 3 general election.
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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