Political Market Report

Senate

US Senate

Every Senate market we track — control of the chamber, individual seats, and the primaries that decide who’s on the ballot. Prices are implied probabilities, refreshed hourly.

Senate markets on the move

Prices updated 2 months ago · source: prediction markets, not a sportsbook

Most traded Senate markets

Prices updated 2 months ago · source: prediction markets, not a sportsbook

All Senate markets

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60 markets found

Market Platform Type Yes Odds 24h Volume Closes
Will Darline Graham Nordone win the first round of the South Carolina Republican Senate special primary? Polymarket Senate 60% -147 ▲ 1.0 pp $51K Aug 11, 2026
Will Darline Graham Nordone be the new republican nominee for Senate in South Carolina? Polymarket Senate 44% +127 ▲ 1.6 pp $36K Aug 11, 2026
2026 Balance of Power: D Senate, D House Polymarket Senate 47% +115 flat $12K Nov 3, 2026
Will Russell Fry be the new Republican nominee for Senate in South Carolina? Polymarket Senate 25% +299 ▼ 6.4 pp $12K Aug 11, 2026
Will Peggy Flanagan be the Democratic nominee for Senate in Minnesota? Polymarket Senate 71% -239 ▼ 0.5 pp $11K Aug 11, 2026
2026 Balance of Power: R Senate, R House Polymarket Senate 12% +770 ▼ 1.0 pp $8K Nov 3, 2026
Will the Republican Party control the Senate after the 2026 Midterm elections? Polymarket Senate 55% -120 flat $7K Nov 3, 2026
Will Angie Craig be the Democratic nominee for Senate in Minnesota? Polymarket Senate 31% +228 ▲ 1.0 pp $6K Aug 11, 2026
Will Ralph Norman be the new Republican nominee for Senate in South Carolina? Polymarket Senate 26% +292 ▲ 3.0 pp $6K Aug 11, 2026
2026 Balance of Power: R Senate, D House Polymarket Senate 41% +147 flat $3K Nov 3, 2026
Will Mark Sanford be the new republican nominee for Senate in South Carolina? Polymarket Senate 3% +3822 ▼ 0.1 pp $3K Aug 11, 2026
Will Angie Craig win Ramsey County in the Minnesota Democratic Senate primary? Polymarket Senate 0% +99900 ▼ 7.0 pp $3K Aug 11, 2026
2026 Balance of Power: D Senate, R House Polymarket Senate 2% +4662 ▲ 0.9 pp $3K Nov 3, 2026
Will Darline Graham Nordone place second in first round of the South Carolina Republican Senate special primary? Polymarket Senate 29% +251 ▲ 14.0 pp $3K Aug 11, 2026
Will John Thune be the next Senate Majority Leader? Polymarket Senate 33% +208 ▼ 15.0 pp $3K Jan 3, 2027
Will Ralph Norman place second in first round of the South Carolina Republican Senate special primary? Polymarket Senate 46% +120 ▼ 7.0 pp $2K Aug 11, 2026
Will an independent win the Montana Senate race in 2026? Polymarket Senate 11% +852 ▼ 5.3 pp $2K —
Will the Republicans win the Michigan Senate race in 2026? Polymarket Senate 43% +135 ▲ 1.0 pp $2K —
Will the Democrats win the Michigan Senate race in 2026? Polymarket Senate 59% -141 ▼ 1.0 pp $2K —
Mitch McConnell steps down from Senate before his term ends? Polymarket Senate 26% +292 flat $2K Jan 3, 2027
Will Peggy Flanagan win Ramsey County in the Minnesota Democratic Senate primary? Polymarket Senate 99% -8991 ▲ 8.9 pp $2K Aug 11, 2026
Will Peggy Flanagan win Hennepin County in the Minnesota Democratic Senate primary? Polymarket Senate 97% -3604 ▲ 17.8 pp $2K Aug 11, 2026
Will Ralph Norman win the SC Republican Senate special primary by less than 5%? Polymarket Senate 10% +953 ▼ 9.5 pp $1K Aug 11, 2026
Will the Republicans win the Montana Senate race in 2026? Polymarket Senate 89% -809 ▲ 5.0 pp $1K —
Will the Republicans win the Maine Senate race in 2026? Polymarket Senate 32% +217 ▼ 1.0 pp $1K —