Observations

2026-05-20: 6,435,563

Updated: May 21, 2026 3:32 PM CDT

Units:

Millions of U.S. Dollars,

Not Seasonally Adjusted

Frequency:

Weekly,

Ending Wednesday

Notes

Title	Release Dates

Reserve Bank Credit: Securities Held Outright	2008-12-18	2019-08-20
Assets: Securities Held Outright: Securities Held Outright: Week Average	2019-08-21	2026-05-21

Source

Board of Governors of the Federal Reserve System (US)	2008-12-18	2026-05-21

Release

H.4.1 Factors Affecting Reserve Balances	2008-12-18	2026-05-21

Units

Billions of Dollars	2008-12-18	2019-08-20
Billions of U.S. Dollars	2019-08-21	2025-11-12
Millions of U.S. Dollars	2025-11-13	2026-05-21

Frequency

Weekly, Ending Wednesday	2008-12-18	2026-05-21

Seasonal Adjustment

Not Seasonally Adjusted	2008-12-18	2026-05-21

Notes

The amount of securities held by Federal Reserve Banks. This quantity is the cumulative result of permanent open market operations: outright purchases or sales of securities, conducted by the Federal Reserve. Section 14 of the Federal Reserve Act defines the securities that the Federal Reserve is authorized to buy and sell.	2008-12-18	2025-11-12
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	2026-05-21

Release Tables

H.4.1 Factors Affecting Reserve Balances