Kalshi and Polymarket Midterm Markets Favor Democratic Sweep With $12.5M Combined Volume

Prediction market traders on Polymarket and Kalshi are pricing a Democratic sweep of the 2026 U.S. midterm elections as the most likely outcome, with combined trading volume topping $12.5 million across both platforms. Prediction Markets Signal Democrats Lead 2026 Midterms as Trump Approval Hits 34% Polymarkets Balance of Power: 2026 Midterms market has pulled in []