Prediction Markets Signal Potential Democratic Sweep of Congress in Midterms

Prediction markets are pointing to a potential Democratic sweep as Americans vote in the 2026 midterm elections. Traders on Polymarket and Kalshi favor Democrats to capture the House, while giving the party an advantage in the Senate. The outcome could reshape Washington’s priorities , including the debate over digital assets . As of Tuesday afternoon, Polymarket priced a Democratic House takeover at 94% and a Senate majority at 76%. Kalshi showed similar odds, at 94% for the House and 75% for the Senate. All 435 House seats are contested , alongside 35 Senate seats.