Global X SuperIncome Preferred ETF (SPFF) is an exchange-traded fund that seeks to correspond to the price and yield performance, before fees and expenses, of the Global X U.S. High Yield Preferred Index by investing at least 80% of its total assets in the highest-yielding preferred securities listed in the United States, including approximately 50 securities such as those issued by Wells Fargo (WFC 7 1/2 PERP), HPE (HPE 7 5/8 09/01/27), ARES (ARES 6 3/4 10/01/27), and others in financial services, utilities, and technology sectors; it provides monthly distributions, with a history of 13 years of consistent payouts, and offers potential income advantages through qualified dividend treatment on preferred stock income. SPFF targets income-oriented investors seeking high yields from U.S. preferred stocks, with net assets of approximately $134 million, a net expense ratio of 0.48%, and operations focused on the U.S. market. The ETF was launched on July 16, 2012, and is managed by Global X Management Company LLC, a New York-based provider of exchange-traded funds founded in 2008 and headquartered at 605 Third Avenue, 43rd Floor, New York, NY, which was acquired by Mirae Asset Global Investments in July 2018. In recent developments, Global X announced product updates in July 2025, including the liquidation of select low-asset funds representing less than 0.2% of its total assets, alongside continued expansion of its platform with new ETF launches such as a gold miners ETF in December 2025; the firm also completed management fee reductions and index changes for other ETFs in March 2025 following unitholder approvals.