How many Democratic Senate Incumbents will not win their Primary?

As of March 21, 2026, the Polymarket odds for How many Democratic Senate Incumbents will not win their Primary? are: 0: 86%, 3: 4%, 1: 4%, 2: 4%, 4: 3%. These probabilities are derived from real-money trading and update in real time.

How many Democratic Senate Incumbents will not win their Primary? is currently available on Polymarket. Check PredictMarketCap for cross-platform availability as new markets are added regularly.

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.