Source: Federal Reserve Bank of New York
Release: Federal Funds Data
The federal funds market consists of domestic unsecured borrowings in U.S. dollars by depository institutions from other depository institutions and certain other entities, primarily government-sponsored enterprises.
The effective federal funds rate (EFFR) is calculated as a volume-weighted median of overnight federal funds transactions reported in the FR 2420 Report of Selected Money Market Rates.
For more information, see https://www.newyorkfed.org/markets/obfrinfo
Federal Reserve Bank of New York, Effective Federal Funds Rate: 1st Percentile [EFFR1], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/EFFR1, September 23, 2018.