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Title:               Market Yield on U.S. Treasury Securities at 6-Month Constant Maturity, Quoted on an Investment Basis
Series ID:           RIFLGFCM06NA
Source:              Board of Governors of the Federal Reserve System (US)
Release:             H.15 Selected Interest Rates
Seasonal Adjustment: Not Seasonally Adjusted
Frequency:           Annual
Units:               Percent
Date Range:          1981-01-01 to 2023-01-01
Last Updated:        2024-01-02 3:25 PM CST
Notes:               Averages of daily figures.
                     
                     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).

DATE        VALUE
1981-01-01  14.06
1982-01-01  11.86
1983-01-01   9.27
1984-01-01  10.42
1985-01-01   8.06
1986-01-01   6.30
1987-01-01   6.33
1988-01-01   7.27
1989-01-01   8.48
1990-01-01   7.85
1991-01-01   5.69
1992-01-01   3.66
1993-01-01   3.22
1994-01-01   4.83
1995-01-01   5.82
1996-01-01   5.29
1997-01-01   5.39
1998-01-01   5.02
1999-01-01   4.95
2000-01-01   6.17
2001-01-01   3.45
2002-01-01   1.72
2003-01-01   1.08
2004-01-01   1.61
2005-01-01   3.50
2006-01-01   5.00
2007-01-01   4.62
2008-01-01   1.66
2009-01-01   0.28
2010-01-01   0.20
2011-01-01   0.10
2012-01-01   0.13
2013-01-01   0.09
2014-01-01   0.06
2015-01-01   0.17
2016-01-01   0.46
2017-01-01   1.07
2018-01-01   2.14
2019-01-01   2.11
2020-01-01   0.37
2021-01-01   0.06
2022-01-01   2.51
2023-01-01   5.28