Source: Federal Reserve Bank of New York  

Release: Federal Funds Data  

Units:  Billions of U.S. Dollars, Not Seasonally Adjusted

Frequency:  Daily

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