- Will the Republican Party win the IN-05 House seat?83¢
- Will the Democratic Party win the IN-05 House seat?17¢
Incumbent Republican Victoria Spartz holds a clear edge in Indiana’s 5th congressional district, a seat with an R+8 partisan voter index that has not elected a Democrat since 1990. Recent developments have narrowed her projected margin, including the Cook Political Report’s October shift from Solid Republican to Likely Republican amid weaker national GOP polling, alongside Spartz’s $450,000 campaign loan reported mid-October. Democratic challenger state Sen. J.D. Ford has raised $1.3 million and released an internal July poll showing a near tie, while both campaigns have traded attacks over stock trading and campaign tactics. Prediction market pricing reflects these fundamentals and the district’s structural Republican advantage heading into the November 3 general election, while still assigning meaningful probability to an upset in the final weeks.
Rules
This market will resolve according to the party of the candidate who wins the IN-05 congressional district seat in the U.S. House of Representatives in the 2026 midterm elections. The midterm elections will take place on November 3, 2026. 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/).