Robinhood, the trading app where more than 28 million people keep money to buy stocks and crypto and now bet on sports and elections, reported third-quarter revenue of $1.42 billion billion on Tuesday, missing the roughly $1.43 billion Wall Street expected

Earnings came in at $0.51 per share, missing the $0.55 analysts projected and down from $0.61 a year ago. Earnings per share is profit divided by the number of shares outstanding, and it is the figure investors use to call a quarter a beat or a miss.

Robinhood is the app that brought commission-free trading to a generation of first-time investors, which makes its quarterly report one…