Observations

2026-09-30: 208,790

Updated: Oct 1, 2026 3:32 PM CDT

Units:

Millions of U.S. Dollars,

Not Seasonally Adjusted

Frequency:

Weekly,

As of Wednesday

Notes

Title	Release Dates

Assets: Unamortized Premiums on Securities Held Outright	2013-04-18	2019-08-20
Assets: Unamortized Premiums on Securities Held Outright: Wednesday Level	2019-08-21	2026-10-01

Source

Board of Governors of the Federal Reserve System (US)	2013-04-18	2026-10-01

Release

H.4.1 Factors Affecting Reserve Balances	2013-04-18	2026-10-01

Units

Millions of Dollars	2013-04-18	2019-08-20
Millions of U.S. Dollars	2019-08-21	2026-10-01

Frequency

Weekly, As of Wednesday	2013-04-18	2026-10-01

Seasonal Adjustment

Not Seasonally Adjusted	2013-04-18	2026-10-01

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	2026-10-01

Release Tables

H.4.1 Factors Affecting Reserve Balances