we discuss ideas like this as they happen in more detail. All active investors are welcome to join on a free trial and ask any question in our chat room full of sophisticated traders and investors.Today, we'll take a look at how the Global X SuperIncome™ Preferred ETF (NYSEARCA: NYSEARCA: SPFF ) portfolio has performed. We'll take a closer look and provide an indicative estimate of potential future returns. You can also check out ourAnalyst’s Disclosure:I/we have no stock, option or similar derivative posit ...