Kalshi published campaign-style updates on his odds, and Polymarket hosted multiple active markets on whether Pratt would finish first or second in the city’s nonpartisan primary. On Kalshi alone, the ...

A US mayoral race triggered a flood of misinformation from online influencers sponsored by betting companies -- exposing a new threat analysts warn could undermine the integrity of future elections.

Prediction market trading volume has risen from under $5 billion monthly in mid 2025 to nearly $24 billion in April 2026, with sports dominating.

Following national elections, voters rewrite their memories of the political event and distort their initial expectations to align closely with the eventual outcome. This psychological phenomenon ...