Observations

2026-05-27: 43,923

Updated: May 28, 2026 3:33 PM CDT

Units:

Millions of U.S. Dollars,

Not Seasonally Adjusted

Frequency:

Weekly,

Ending Wednesday

Notes

Title	Release Dates

Memorandum Item: Securities Lent to Dealers: Overnight Facility, U.S. Treasury Securities	2011-07-07	2019-08-20
Memorandum Items: Securities Lent to Dealers: Overnight Facility, U.S. Treasury Securities: Week Average	2019-08-21	2026-05-28

Source

Board of Governors of the Federal Reserve System (US)	2011-07-07	2026-05-28

Release

H.4.1 Factors Affecting Reserve Balances	2011-07-07	2026-05-28

Units

Millions of Dollars	2011-07-07	2019-08-20
Millions of U.S. Dollars	2019-08-21	2026-05-28

Frequency

Weekly, Ending Wednesday	2011-07-07	2026-05-28

Seasonal Adjustment

Not Seasonally Adjusted	2011-07-07	2026-05-28

Notes

For questions on the data, please contact the data source (https://www.federalreserve.gov/apps/ContactUs/feedback.aspx?refurl=/releases/h41/%). For questions on FRED functionality, please contact us here (https://fred.stlouisfed.org/contactus/).	2025-11-13	2026-05-28

Release Tables

H.4.1 Factors Affecting Reserve Balances