Skip to main content

Home > Releases > H.15 Selected Interest Rates > Market Yield on U.S. Treasury Securities at 6-Month Constant Maturity, Quoted on an Investment Basis

Market Yield on U.S. Treasury Securities at 6-Month Constant Maturity, Quoted on an Investment Basis (GS6M)

Observations

Dec 2025: 3.63
Updated: Jan 2, 2026 3:16 PM CST
Dec 2025:  3.63  
Nov 2025:  3.78  
Oct 2025:  3.79  
Sep 2025:  3.84  
Aug 2025:  4.11  

Units:

Percent,
Not Seasonally Adjusted

Frequency:

Monthly

Fullscreen

Notes

Title Release Dates
6-Month Treasury Constant Maturity Rate 1996-12-03 2002-02-03
Market Yield on U.S. Treasury Securities at 6-Month Constant Maturity, Quoted on an Investment Basis 2002-02-04 2026-01-02
 
Source    
Board of Governors of the Federal Reserve System (US) 1996-12-03 2026-01-02
 
Release    
G.13 Selected Interest Rates 1996-12-03 2002-02-03
H.15 Selected Interest Rates 2002-02-04 2026-01-02
 
Units    
Percent 1996-12-03 2026-01-02
 
Frequency    
Monthly 1996-12-03 2026-01-02
 
Seasonal Adjustment    
Not Seasonally Adjusted 1996-12-03 2026-01-02
 
Notes    
Averages of business days. For further information regarding treasury constant maturity data, please refer to http://www.federalreserve.gov/releases/h15/current/h15.pdf and http://www.treasury.gov/resource-center/data-chart-center/interest-rates/Pages/yieldmethod.aspx.

1996-12-03 2002-02-03
Averages of business days. For further information regarding treasury constant maturity data, please refer to the H.15 Statistical Release notes (https://www.federalreserve.gov/releases/h15/default.htm) and the Treasury Yield Curve Methodology (https://home.treasury.gov/policy-issues/financing-the-government/interest-rate-statistics/treasury-yield-curve-methodology).

2002-02-04 2025-01-06
H.15 Statistical Release notes (https://www.federalreserve.gov/releases/h15/default.htm) and the Treasury Yield Curve Methodology (https://home.treasury.gov/policy-issues/financing-the-government/interest-rate-statistics/treasury-yield-curve-methodology).

For questions on the data, please contact the data source (https://www.federalreserve.gov/apps/ContactUs/feedback.aspx?refurl=/releases/h15/%). For questions on FRED functionality, please contact us here (https://fred.stlouisfed.org/contactus/).

2025-01-07 2026-01-02

Release Tables

H.15 Selected Interest Rates

Related Data and Content

Data Suggestions Based On Your Search

Content Suggestions

Other Formats

Annual, Not Seasonally Adjusted Daily, Not Seasonally Adjusted Weekly, Not Seasonally Adjusted

Related Categories

Treasury Constant Maturity Interest Rates Money, Banking, & Finance Categories

Releases

More Series from H.15 Selected Interest Rates

Tags

6-Month Bills H.15 Selected Interest Rates Maturity Treasury Interest Rate Interest Board of Governors Rate Monthly Nation Public Domain: Citation Requested United States of America Not Seasonally Adjusted