This ETF typically allocates a minimum of 80% of its assets, excluding any collateral from securities lending, to the stocks that comprise its underlying index. This index is constructed using a systematic, rules-based approach to monitor the performance of the fifty most popular U.S.-listed equities. These top equities are identified based on their prevalence in the self-managed brokerage accounts, referred to as "SoFi Accounts," belonging to SoFi Securities, LLC, an entity affiliated with Social Finance, Inc. (known as "SoFi").