Incumbent House Speaker Mike Johnson (R) dominates trader consensus at 90.5% for the Republican Party in Louisiana's 4th Congressional District, reflecting the district's solid Republican lean and his strong incumbency advantage as he seeks re-election on November 3, 2026, with a possible runoff December 12. Johnson's February qualification drew minimal primary challengers—Joshua Morott and Mike Nichols (R)—in the May 16 Republican primary, where he leads decisively amid superior fundraising exceeding $17 million. Democratic contenders like Conrad Cable and Matt Gromlich face steep barriers in this deep-red battleground. While no major shifts have occurred in the past 30 days, odds could shift via a primary upset, Speaker scandal, or national anti-GOP wave, though historical base rates favor easy Republican holds.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLA-04 House Election Winner
LA-04 House Election Winner
Republican Party
90%
Democratic Party
10%
Republican Party
90%
Democratic Party
10%
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, 11:09 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 House Speaker Mike Johnson (R) dominates trader consensus at 90.5% for the Republican Party in Louisiana's 4th Congressional District, reflecting the district's solid Republican lean and his strong incumbency advantage as he seeks re-election on November 3, 2026, with a possible runoff December 12. Johnson's February qualification drew minimal primary challengers—Joshua Morott and Mike Nichols (R)—in the May 16 Republican primary, where he leads decisively amid superior fundraising exceeding $17 million. Democratic contenders like Conrad Cable and Matt Gromlich face steep barriers in this deep-red battleground. While no major shifts have occurred in the past 30 days, odds could shift via a primary upset, Speaker scandal, or national anti-GOP wave, though historical base rates favor easy Republican holds.
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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