Quick Take Robinhood, the popular stock and crypto trading app, is launching a pro and college football prediction market where users can trade (wager) on the outcome of games. The trading app is offering the service via Robinhood Derivatives, and is in partnership with Kalshi, with which it teamed up in March. Robinhood, the popular stock and crypto trading app, said on Tuesday that it's launching a pro and college football prediction market where users can wager on the outcome of games."Custom...