Senate Control 2026 Election Winner

As of July 13, 2026, the Polymarket odds for Which party will win the Senate in 2026? are: Republican Party: 55%, Democratic Party: 46%. These probabilities are derived from real-money trading and update in real time.

Which party will win the Senate in 2026? is currently listed on Polymarket. Check PredictMarketCap for cross-platform availability — we surface the same event on Polymarket, Kalshi & Limitless when it's listed on more than one platform.

Prediction market odds reflect the aggregate opinion of traders who risk real money on outcomes. The price of a share (e.g., 65¢) represents the market's implied probability (65%). Prices move as traders buy and sell based on new information, polls, and analysis.