The open seat in Michigan’s 10th Congressional District, vacated by Republican John James to run for governor, has produced a competitive general election matchup between Democratic nominee Christina Hines and Republican nominee Mike Bouchard following August 4 primaries. Hines secured the Democratic nomination with a plurality in a three-way contest, while Bouchard won his primary decisively with support including an endorsement from President Trump. The district, anchored in Macomb County with portions of Oakland County, carries a modest Republican lean based on recent presidential results yet remains highly contested in House races. Race raters classify it as a toss-up or lean Republican, and limited available polling has shown the candidates essentially tied. Trader consensus reflected in current pricing appears to weigh the open-seat dynamics, candidate profiles, and broader midterm environment as tilting the balance toward Hines while still leaving room for shifts before November 3.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedChristina Hines (D)
66%
Mike Bouchard (R)
33%
Christina Hines (D)
66%
Mike Bouchard (R)
33%
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: Dec 16, 2025, 12:08 PM 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 open seat in Michigan’s 10th Congressional District, vacated by Republican John James to run for governor, has produced a competitive general election matchup between Democratic nominee Christina Hines and Republican nominee Mike Bouchard following August 4 primaries. Hines secured the Democratic nomination with a plurality in a three-way contest, while Bouchard won his primary decisively with support including an endorsement from President Trump. The district, anchored in Macomb County with portions of Oakland County, carries a modest Republican lean based on recent presidential results yet remains highly contested in House races. Race raters classify it as a toss-up or lean Republican, and limited available polling has shown the candidates essentially tied. Trader consensus reflected in current pricing appears to weigh the open-seat dynamics, candidate profiles, and broader midterm environment as tilting the balance toward Hines while still leaving room for shifts before November 3.
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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