The 20-something billionaires who run Kalshi and Polymarket are battling it out to be the top prediction market company. Observers and former insiders say the feud is just heating up.
There's one word Kalshi CEO Tarek Mansour is loath to say: Polymarket.
Like a politician swiping his never-to-be-spoken-of challenger on the campaign trail, Mansour will drag the enemy but never name the enemy.
Yes, there's an "unregulated, offshore ... [8427 chars]