PoliticsOddsas of Aug 29, 21:00 UTC
Balance of Power
Price history
Implied probability over timeOutcome
Side
Platforms (max 3)
KalshiPolymarket
Where to back Democrats Senate + Democrats House
Every independent platform that prices this outcome, best price after fees first. The buttons are affiliate links. We may earn a commission if you sign up, and it never changes the odds you see or what you pay.
Democrats Senate + Democrats House after fees49%47% price + 1.7% entry fee
Volume$2.5M
Min · feesNone · Per-contract trading
Democrats Senate + Democrats House 50%no entry fee
Volume$2.8M
Min · feesNone · No trading
Ranked by the effective price after each platform's own entry fee. Fees shown are each platform's own and may change. We don't set or control them. Betting exchanges (e.g. Matchbook, Smarkets) instead charge commission on winnings, so they stay at their raw price here.
Implied probability by platform
Lowest raw implied price per outcome in gold · click a row| Outcome | Kalshi | Polymarket |
|---|---|---|
| Democrats Senate + Democrats House | 47% | 50% |
| Republican Senate + Democrats House | 39% | 35% |
| Republican Senate + Republican House | 16% | 12% |
| Democrats Senate + Republican House | 1% | 1% |
These are raw implied probabilities; gold marks the lowest raw price. The Best odds above ranks by the price after each platform's entry fee, so the best place to trade can differ from the lowest raw number here.