P.M. Edition for Oct. 30. Journal reporter Kevin Dugan tells us why this election will be a crucial test for Kalshi and Polymarket. The prediction markets…
P.M. Edition for Oct. 30. Journal reporter Kevin Dugan tells us why this election will be a crucial test for Kalshi and Polymarket. The prediction markets say that the wisdom of crowds beats out traditional political polling–but they’ve had some big recent misses. Plus, the tech selloff deepened today, pushing the Nasdaq to its worst…
Published October 30, 2026 · 15:23