Polymarket and Kalshi Face a Major Accuracy Test: The Midterms NYT - Top Stories By: Stuart A. Thompson 30 October 2026 at 16:35 Studies have shown that the betting sites can predict races correctly, but their ability to forecast U.S. midterm elections is an important proving ground. © Hilary Swift for The New York TimesPrediction platforms like Polymarket are hoping the U.S. midterm elections will be their moment to shine.
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