A look at prediction markets Kalshi and Polymarket; Kalshi has ~$1B in current monthly volume and processed $6.9B in total, including $6.4B since October 2024 (Alicia Park/Forbes)

Alicia Park / Forbes:
A look at prediction markets Kalshi and Polymarket; Kalshi has ~$1B in current monthly volume and processed $6.9B in total, including $6.4B since October 2024  —  Kalshi co-founders, Tarek Mansour and Luana Lopes Lara  —  The savviest billionaire traders are placing their bets on budding prediction marketplaces.