Polymarket, Kalshi clash over groceries as prediction markets boom

Cointelegraph.com NewsThe grocery giveaways come as Kalshi and Polymarket continue to top overall prediction market trading volumes, which are now consistently above $400 million per day. 

​The grocery giveaways come as Kalshi and Polymarket continue to top overall prediction market trading volumes, which are now consistently above $400 million per day.