FIRST ON NBC NEWSFORSUBSCRIBERSPrediction market users have traded nearly $200 million on midterm elections so farAn NBC News analysis examined trading across 1,408 midterm-related prediction markets on Kalshi and Polymarket.Prediction market users are pouring money into markets related to the midterm elections.Anisha Chopra / Getty Images / KalshiJuly 10, 2026, 12:00 PM EDTBy Anna McLeanAs prediction markets have boomed on topics from war to sports, trading volume on midterm election results has surpassed $197 million, according to an NBC News analysis of 1,408 open markets on Kalshi and Polymarket.Just a moment.We are getting your experience ready.