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If Mike Rounds wins the nomination for the Republican Party to contest the 2026 Class II South Dakota Senate seat, then the market resolves to Yes.
As of March 31, 2026, the Kalshi odds for Will Justin McNeal be the Republican nominee for the Senate in South Dakota? are: Mike Rounds: 90%, Kristi Noem: 3%, Justin McNeal: 3%. These probabilities are derived from real-money trading and update in real time.
Will Justin McNeal be the Republican nominee for the Senate in South Dakota? is currently available on Kalshi. 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.
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