Observations

2025-12-15: 3.85097

Updated: Dec 16, 2025 7:03 AM CST

Units:

Percent,

Not Seasonally Adjusted

Frequency:

Daily

Notes

Title	Release Dates

AMERIBOR Term-30 Derived Interest Rate Index	2022-04-19	2025-12-16

Source

American Financial Exchange	2022-04-19	2025-12-16

Release

Historical Overnight AMERIBOR Unsecured Interest Rate	2022-04-19	2025-12-16

Units

Percent	2022-04-19	2025-12-16

Frequency

Daily, 7-Day	2022-04-19	2025-08-18
Daily	2025-08-19	2025-12-16

Seasonal Adjustment

Not Seasonally Adjusted	2022-04-19	2025-12-16

Notes

AMERIBOR® (American Interbank Offered Rate) is a benchmark interest rate based on overnight unsecured loans transacted on the American Financial Exchange (AFX). AMERIBOR® is calculated as the transaction volume weighted average interest rate of the daily transactions in the AMERIBOR® overnight unsecured loan market on the AFX. AMERIBOR® Term-30 Index is a forward-looking interest rate designed to capture wholesale funding costs for American financial institutions over a thirty-day period at a specific moment in time. This index is calculated using AMERIBOR (https://fred.stlouisfed.org/series/AMERIBOR) as well as a broad dataset of real-world primary issuances of wholesale commercial deposits and commercial paper of U.S.-domiciled financial institutions of every size. More details about AMERIBOR® methodology can be found on the source's website (https://ameribor.net/), under the Resources section. AMERIBOR® is a registered trademark of the American Financial Exchange (AFX). © Copyright, American Financial Exchange (AFX). All Rights Reserved.	2022-04-19	2025-12-16

Release Tables

Historical Overnight AMERIBOR Unsecured Interest Rate