For sure, more retail investors and others will be discovering access to predictions markets across more apps. At Robinhood , prediction markets have become the fastest-growing product line by revenue, with 11 billion contracts traded by more than one million customers since launching last year. It is far from alone in going after a bigger piece of the action pioneered by platforms like Polymarket and Kalshi. Interactive Brokers , Coinbase , Crypto.com, DraftKings , Flutter Enteraintment 's FanDuel, and Fan ...