Scalable Capital acts both as an Online Broker and a Robo-Advisor. They help investors invest in Stocks, ETFs, funds, derivatives, and crypto ETPs by themselves and also help investors get a personalized and globally diversified portfolio. New users get a free stock or ETF.Scalable Capital acts both as an Online Broker and a Robo-Advisor. They help investors invest in Stocks, ETFs, funds, derivatives, and crypto ETPs by themselves and also help investors get a personalized and globally diversified portfolio. New users get a free stock or ETF.