Election prediction market odds
Election markets Crossbook tracks, with both venues' prices side by side wherever Kalshi and Polymarket each list the question. Where they disagree, the gap only means something if the two contracts settle the same way, so every page says whether that has been checked.
Most active
- Will the Democratic Party control the House after the 2026 Midterm elections?PM 93%
- 2026 Balance of Power: R Senate, R HousePM 7%
- Will JD Vance win the 2028 US Presidential Election?PM 16% · KS 20%
- Will the Democratic Party control the Senate after the 2026 Midterm elections?PM 68% · KS 68%
- Ohio Governor winner?: Vivek RamaswamyKS 20%
Recently added
- Will the Democrats win the Maine Senate race in 2026?PM 65% · KS 63%
- Will the Republicans win the Georgia governor race in 2026?PM 39% · KS 39%
- Will Maura Sullivan be the Democratic nominee for NH-01?PM 83%
- Will Bruno Retailleau win the 2027 French presidential election?PM 1% · KS 1%
- Will Dominique de Villepin win the 2027 French presidential election?PM 1% · KS 1%
Settled
- Will United Russia win between 325 and 339 seats in the next Russian State Duma election?PM 42%
- Will Darline Graham Nordone win Lexington County in the South Carolina Special Senate Primary runoff?PM 96%
- Will Darline Graham Nordone win Richland County in the South Carolina Special Senate Primary runoff?PM 97%
- Will Maura Sullivan be the Democratic nominee for NH-01?PM 83% · KS 1%
- Will Chris Pappas be the Democratic nominee for Senate in New Hampshire?PM 98% · KS 99%
- Will Seth Moulton be the Democratic nominee for Senate in Massachusetts?PM 1% · KS 1%
- Will Flávio Bolsonaro finish in second place in the first round of the 2026 Brazilian presidential election?PM 1% · KS 1%
- Will Ciro Gomes win the 2026 Ceará gubernatorial election?PM 2% · KS 1%
- Will Elmano de Freitas win the 2026 Ceará gubernatorial election?PM 99% · KS 98%
Every Crossbook forecast is timestamped before the answer is known and scored afterwards, whether it was right or not. See the public record and the rules.