Lastly, investors appear to be heading into the Invesco Senior Loan ETF (BKLN), which seeks to track the investment results of the S&P/LSTA U.S. BKLN’s loan portfolio will include the purchase of loans from banks or other financial institutions through assignments or participations. The consumer price index (CPI) rose to a three-decade high during the month of October, highlighting the need for inflation hedges.