Source: Board of Governors of the Federal Reserve System (US)  

Release: H.4.1 Factors Affecting Reserve Balances  

Units:  Millions of Dollars, Not Seasonally Adjusted

Frequency:  Weekly, As of Wednesday

Notes:

This series has been discontinued and will no longer be updated. It was a duplicate of the following series, which will continue to be updated: https://fred.stlouisfed.org/series/SWPT


Detailed description about the swap transactions can be found on the release H.4.1 Factors Affecting Reserve Balances of Depository Institutions and Condition Statement of Federal Reserve Banks published on January 29, 2009. http://www.federalreserve.gov/releases/h41/20090129/