Robinhood Markets Inc. ($HOOD) has introduced prediction markets, marking a significant expansion of its platform into sports betting and other areas. The app has quickly risen to prominence, becoming the number one finance app on the iOS App Store and ranking 15th overall across all app categories. Recent trading activity has been robust, with a record of 100 million options traded in a single day, significantly surpassing the average of 58 million options traded daily this year. Analysts suggest that Robinhood could see tens of millions of contracts traded daily as it develops its prediction markets, which will encompass a wide range of events including sports, culture, and politics. The company's growth trajectory has led some investors to predict a fivefold increase in its stock value over the next five years.