Report
2026 US midterm wagers top $1.48 billion as prediction markets face a forecast test
Kalshi reported $1.33 billion in midterm trading, even as election trading reportedly lagged the wider prediction-market boom.
TLDR
BetInt's Monday odds implied Democrats had a 95% chance of taking the House and a 76% chance of taking the Senate. The Anti-Corruption Data Collective put Polymarket congressional wagers at about $145 million. In the final week before Election Day, US election trading reportedly remained roughly level with the comparable 2024 period on Kalshi but fell across Polymarket's two exchanges. Analysts say sharp misses could hurt the industry's reputation.
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