Release: Interest Rate Spreads
On September 26, 2016 the Board of Governors announced changes to several data series from the H.15 releases (http://www.federalreserve.gov/feeds/h15.html). Because of these changes the series has been discontinued.
Series is calculated as the spread between Moody's Seasoned Aaa Corporate Bond (https://fred.stlouisfed.org/series/DAAA) and Effective Federal Funds Rate (https://fred.stlouisfed.org/series/DFF).
Federal Reserve Bank of St. Louis, Moody's Seasoned Aaa Corporate Bond Minus Federal Funds Rate (DISCONTINUED) [AAAFF], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/AAAFF, October 27, 2016.