Board of Governors of the Federal Reserve System (US), 21) Considering the Entire Range of Transactions Facilitated by Your Institution, How Has the Use of Financial Leverage by Each of the Following Types of Clients Changed over the Past Three Months?| B. Etfs. | Answer Type: Remained Basically Unchanged [CTQ21BRBUNR], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/CTQ21BRBUNR, .