Incumbent Republican Michael Guest's unopposed advancement in the March 10, 2026, primary, alongside Democrat Michael Chiaradio's similarly uncontested nomination, has solidified trader consensus at 92.5% for a GOP hold in Mississippi's 3rd Congressional District, rated Solid Republican with a Cook Partisan Voter Index of R+14—the 82nd most Republican nationally. Guest's track record of blowout victories, including 100% in 2024 amid no Democratic opposition, underscores the district's entrenched GOP dominance in this safe seat spanning central Mississippi. While probabilities exceed 90%, shifts could arise from late-breaking scandals, health issues affecting Guest, a national Democratic wave boosting turnout, or unforeseen legal challenges 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. · UpdatedMS-03 House Election Winner
MS-03 House Election Winner
$22,562 Vol.
$22,562 Vol.
Republican Party
93%
Democratic Party
6%
$22,562 Vol.
$22,562 Vol.
Republican Party
93%
Democratic Party
6%
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, 11:10 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...Incumbent Republican Michael Guest's unopposed advancement in the March 10, 2026, primary, alongside Democrat Michael Chiaradio's similarly uncontested nomination, has solidified trader consensus at 92.5% for a GOP hold in Mississippi's 3rd Congressional District, rated Solid Republican with a Cook Partisan Voter Index of R+14—the 82nd most Republican nationally. Guest's track record of blowout victories, including 100% in 2024 amid no Democratic opposition, underscores the district's entrenched GOP dominance in this safe seat spanning central Mississippi. While probabilities exceed 90%, shifts could arise from late-breaking scandals, health issues affecting Guest, a national Democratic wave boosting turnout, or unforeseen legal challenges 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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