Observations

2026-05-20: 216,718

Updated: May 21, 2026 3:33 PM CDT

Units:

Millions of U.S. Dollars,

Not Seasonally Adjusted

Frequency:

Weekly,

Ending Wednesday

Notes

Title	Release Dates

Assets: Unamortized Premiums on Securities Held Outright: Week Average	2019-08-22	2026-05-21

Source

Board of Governors of the Federal Reserve System (US)	2019-08-22	2026-05-21

Release

H.4.1 Factors Affecting Reserve Balances	2019-08-22	2026-05-21

Units

Millions of U.S. Dollars	2019-08-22	2026-05-21

Frequency

Weekly, Ending Wednesday	2019-08-22	2026-05-21

Seasonal Adjustment

Not Seasonally Adjusted	2019-08-22	2026-05-21

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	2026-05-21

Release Tables

H.4.1 Factors Affecting Reserve Balances