Prediction Markets Surge Past $1.4 Billion in Midterms Trading

Prediction markets tied to the 2026 United States midterm elections have surpassed $1.4 billion in trading volume as Election Day approaches, according to a CNN analysis. The milestone underscores the rapid rise of platforms such as Kalshi and Polymarket, which now find themselves positioned as influential election forecasters even as regulators, researchers, and election analysts question whether the sector can uphold the accuracy standards it has long promoted. A Record Cycle for Election Markets Trading volume across midterm-linked contracts has accelerated sharply in recent weeks, driven by markets on Senate, House, and gubernatorial races across the country.