Table Data - 1-Year Treasury Bill Secondary Market Rate, Discount Basis

Title	1-Year Treasury Bill Secondary Market Rate, Discount Basis
Series ID	TB1YR
Source	Board of Governors of the Federal Reserve System (US)
Release	H.15 Selected Interest Rates
Seasonal Adjustment	Not Seasonally Adjusted
Frequency	Monthly
Units	Percent
Date Range	1959-07-01 to 2025-01-01
Last Updated	2025-02-03 3:16 PM CST
Notes	Averages of Business Days, Discount Basis For questions on the data, please contact the data source. For questions on FRED functionality, please contact us here.

DATE	VALUE
1959-07-01	4.34
1959-08-01	4.31
1959-09-01	4.83
1959-10-01	4.69
1959-11-01	4.54
1959-12-01	4.99
1960-01-01	4.95
1960-02-01	4.45
1960-03-01	3.68
1960-04-01	3.83
1960-05-01	4.01
1960-06-01	3.10
1960-07-01	3.03
1960-08-01	2.82
1960-09-01	2.86
1960-10-01	2.92
1960-11-01	2.87
1960-12-01	2.64
1961-01-01	2.63
1961-02-01	2.75
1961-03-01	2.76
1961-04-01	2.74
1961-05-01	2.72
1961-06-01	2.80
1961-07-01	2.79
1961-08-01	2.91
1961-09-01	2.88
1961-10-01	2.90
1961-11-01	2.90
1961-12-01	2.97
1962-01-01	3.19
1962-02-01	3.21
1962-03-01	2.98
1962-04-01	2.90
1962-05-01	2.91
1962-06-01	2.89
1962-07-01	3.17
1962-08-01	3.10
1962-09-01	2.99
1962-10-01	2.90
1962-11-01	2.94
1962-12-01	2.94
1963-01-01	3.00
1963-02-01	3.00
1963-03-01	2.97
1963-04-01	3.03
1963-05-01	3.06
1963-06-01	3.11
1963-07-01	3.40
1963-08-01	3.50
1963-09-01	3.57
1963-10-01	3.61
1963-11-01	3.67
1963-12-01	3.69
1964-01-01	3.68
1964-02-01	3.71
1964-03-01	3.78
1964-04-01	3.75
1964-05-01	3.71
1964-06-01	3.70
1964-07-01	3.64
1964-08-01	3.67
1964-09-01	3.73
1964-10-01	3.79
1964-11-01	3.86
1964-12-01	3.96
1965-01-01	3.91
1965-02-01	4.00
1965-03-01	4.02
1965-04-01	4.00
1965-05-01	3.96
1965-06-01	3.89
1965-07-01	3.89
1965-08-01	3.96
1965-09-01	4.09
1965-10-01	4.16
1965-11-01	4.23
1965-12-01	4.56
1966-01-01	4.69
1966-02-01	4.81
1966-03-01	4.81
1966-04-01	4.76
1966-05-01	4.85
1966-06-01	4.78
1966-07-01	4.94
1966-08-01	5.34
1966-09-01	5.80
1966-10-01	5.52
1966-11-01	5.49
1966-12-01	5.00
1967-01-01	4.61
1967-02-01	4.57
1967-03-01	4.19
1967-04-01	3.90
1967-05-01	3.89
1967-06-01	4.16
1967-07-01	4.90
1967-08-01	5.05
1967-09-01	5.10
1967-10-01	5.22
1967-11-01	5.39
1967-12-01	5.59
1968-01-01	5.30
1968-02-01	5.24
1968-03-01	5.42
1968-04-01	5.47
1968-05-01	5.84
1968-06-01	5.68
1968-07-01	5.39
1968-08-01	5.15
1968-09-01	5.18
1968-10-01	5.33
1968-11-01	5.51
1968-12-01	5.97
1969-01-01	6.07
1969-02-01	6.21
1969-03-01	6.20
1969-04-01	6.04
1969-05-01	6.11
1969-06-01	6.88
1969-07-01	7.19
1969-08-01	7.28
1969-09-01	7.35
1969-10-01	7.21
1969-11-01	7.36
1969-12-01	7.61
1970-01-01	7.51
1970-02-01	7.05
1970-03-01	6.50
1970-04-01	6.53
1970-05-01	7.12
1970-06-01	7.07
1970-07-01	6.62
1970-08-01	6.55
1970-09-01	6.39
1970-10-01	6.23
1970-11-01	5.39
1970-12-01	4.84
1971-01-01	4.40
1971-02-01	3.84
1971-03-01	3.60
1971-04-01	4.09
1971-05-01	4.64
1971-06-01	5.33
1971-07-01	5.74
1971-08-01	5.52
1971-09-01	5.19
1971-10-01	4.75
1971-11-01	4.49
1971-12-01	4.39
1972-01-01	3.82
1972-02-01	4.06
1972-03-01	4.43
1972-04-01	4.65
1972-05-01	4.46
1972-06-01	4.71
1972-07-01	4.90
1972-08-01	4.90
1972-09-01	5.44
1972-10-01	5.39
1972-11-01	5.20
1972-12-01	5.28
1973-01-01	5.58
1973-02-01	5.93
1973-03-01	6.53
1973-04-01	6.51
1973-05-01	6.63
1973-06-01	7.05
1973-07-01	7.97
1973-08-01	8.32
1973-09-01	8.07
1973-10-01	7.17
1973-11-01	7.40
1973-12-01	7.01
1974-01-01	7.01
1974-02-01	6.51
1974-03-01	7.34
1974-04-01	8.08
1974-05-01	8.21
1974-06-01	8.16
1974-07-01	8.04
1974-08-01	8.88
1974-09-01	8.52
1974-10-01	7.59
1974-11-01	7.29
1974-12-01	6.79
1975-01-01	6.27
1975-02-01	5.56
1975-03-01	5.70
1975-04-01	6.40
1975-05-01	5.91
1975-06-01	5.86
1975-07-01	6.64
1975-08-01	7.16
1975-09-01	7.20
1975-10-01	6.48
1975-11-01	6.07
1975-12-01	6.16
1976-01-01	5.44
1976-02-01	5.53
1976-03-01	5.82
1976-04-01	5.54
1976-05-01	5.98
1976-06-01	6.12
1976-07-01	5.82
1976-08-01	5.64
1976-09-01	5.50
1976-10-01	5.19
1976-11-01	5.00
1976-12-01	4.64
1977-01-01	5.00
1977-02-01	5.16
1977-03-01	5.19
1977-04-01	5.10
1977-05-01	5.43
1977-06-01	5.41
1977-07-01	5.57
1977-08-01	5.97
1977-09-01	6.13
1977-10-01	6.52
1977-11-01	6.52
1977-12-01	6.52
1978-01-01	6.80
1978-02-01	6.86
1978-03-01	6.82
1978-04-01	6.96
1978-05-01	7.28
1978-06-01	7.53
1978-07-01	7.79
1978-08-01	7.73
1978-09-01	8.01
1978-10-01	8.45
1978-11-01	9.20
1978-12-01	9.44
1979-01-01	9.54
1979-02-01	9.39
1979-03-01	9.38
1979-04-01	9.28
1979-05-01	9.27
1979-06-01	8.81
1979-07-01	8.87
1979-08-01	9.16
1979-09-01	9.89
1979-10-01	11.23
1979-11-01	11.22
1979-12-01	10.92
1980-01-01	10.96
1980-02-01	12.46
1980-03-01	14.03
1980-04-01	11.97
1980-05-01	8.66
1980-06-01	7.54
1980-07-01	8.00
1980-08-01	9.39
1980-09-01	10.48
1980-10-01	11.30
1980-11-01	12.66
1980-12-01	13.23
1981-01-01	12.62
1981-02-01	12.99
1981-03-01	12.28
1981-04-01	12.79
1981-05-01	14.29
1981-06-01	13.22
1981-07-01	13.91
1981-08-01	14.70
1981-09-01	14.53
1981-10-01	13.62
1981-11-01	11.20
1981-12-01	11.57
1982-01-01	12.77
1982-02-01	13.11
1982-03-01	12.47
1982-04-01	12.50
1982-05-01	11.98
1982-06-01	12.57
1982-07-01	11.90
1982-08-01	10.37
1982-09-01	9.92
1982-10-01	8.63
1982-11-01	8.44
1982-12-01	8.23
1983-01-01	8.01
1983-02-01	8.28
1983-03-01	8.36
1983-04-01	8.29
1983-05-01	8.23
1983-06-01	8.87
1983-07-01	9.34
1983-08-01	9.60
1983-09-01	9.27
1983-10-01	8.98
1983-11-01	9.08
1983-12-01	9.24
1984-01-01	9.07
1984-02-01	9.20
1984-03-01	9.67
1984-04-01	9.95
1984-05-01	10.57
1984-06-01	10.93
1984-07-01	10.89
1984-08-01	10.71
1984-09-01	10.51
1984-10-01	9.93
1984-11-01	9.01
1984-12-01	8.60
1985-01-01	8.33
1985-02-01	8.56
1985-03-01	9.06
1985-04-01	8.44
1985-05-01	7.85
1985-06-01	7.27
1985-07-01	7.31
1985-08-01	7.48
1985-09-01	7.50
1985-10-01	7.45
1985-11-01	7.33
1985-12-01	7.16
1986-01-01	7.21
1986-02-01	7.11
1986-03-01	6.59
1986-04-01	6.06
1986-05-01	6.25
1986-06-01	6.32
1986-07-01	5.90
1986-08-01	5.60
1986-09-01	5.45
1986-10-01	5.41
1986-11-01	5.48
1986-12-01	5.55
1987-01-01	5.46
1987-02-01	5.63
1987-03-01	5.68
1987-04-01	6.09
1987-05-01	6.52
1987-06-01	6.35
1987-07-01	6.24
1987-08-01	6.54
1987-09-01	7.11
1987-10-01	7.05
1987-11-01	6.50
1987-12-01	6.69
1988-01-01	6.52
1988-02-01	6.21
1988-03-01	6.28
1988-04-01	6.56
1988-05-01	6.90
1988-06-01	6.99
1988-07-01	7.22
1988-08-01	7.59
1988-09-01	7.53
1988-10-01	7.54
1988-11-01	7.87
1988-12-01	8.32
1989-01-01	8.37
1989-02-01	8.55
1989-03-01	8.82
1989-04-01	8.64
1989-05-01	8.31
1989-06-01	7.84
1989-07-01	7.36
1989-08-01	7.61
1989-09-01	7.65
1989-10-01	7.45
1989-11-01	7.25
1989-12-01	7.21
1990-01-01	7.38
1990-02-01	7.55
1990-03-01	7.76
1990-04-01	7.80
1990-05-01	7.73
1990-06-01	7.53
1990-07-01	7.40
1990-08-01	7.26
1990-09-01	7.24
1990-10-01	7.06
1990-11-01	6.85
1990-12-01	6.61
1991-01-01	6.25
1991-02-01	5.91
1991-03-01	6.00
1991-04-01	5.85
1991-05-01	5.76
1991-06-01	5.96
1991-07-01	5.91
1991-08-01	5.45
1991-09-01	5.26
1991-10-01	5.04
1991-11-01	4.64
1991-12-01	4.17
1992-01-01	3.95
1992-02-01	4.08
1992-03-01	4.40
1992-04-01	4.09
1992-05-01	3.99
1992-06-01	3.98
1992-07-01	3.45
1992-08-01	3.33
1992-09-01	3.06
1992-10-01	3.17
1992-11-01	3.52
1992-12-01	3.55
1993-01-01	3.35
1993-02-01	3.25
1993-03-01	3.20
1993-04-01	3.11
1993-05-01	3.23
1993-06-01	3.39
1993-07-01	3.33
1993-08-01	3.30
1993-09-01	3.22
1993-10-01	3.25
1993-11-01	3.42
1993-12-01	3.45
1994-01-01	3.39
1994-02-01	3.69
1994-03-01	4.11
1994-04-01	4.57
1994-05-01	5.03
1994-06-01	4.98
1994-07-01	5.17
1994-08-01	5.25
1994-09-01	5.43
1994-10-01	5.75
1994-11-01	6.13
1994-12-01	6.67
1995-01-01	6.59
1995-02-01	6.28
1995-03-01	6.03
1995-04-01	5.88
1995-05-01	5.65
1995-06-01	5.33
1995-07-01	5.28
1995-08-01	5.43
1995-09-01	5.31
1995-10-01	5.28
1995-11-01	5.14
1995-12-01	5.03
1996-01-01	4.82
1996-02-01	4.69
1996-03-01	5.06
1996-04-01	5.23
1996-05-01	5.33
1996-06-01	5.48
1996-07-01	5.52
1996-08-01	5.35
1996-09-01	5.50
1996-10-01	5.25
1996-11-01	5.14
1996-12-01	5.18
1997-01-01	5.30
1997-02-01	5.23
1997-03-01	5.47
1997-04-01	5.64
1997-05-01	5.54
1997-06-01	5.38
1997-07-01	5.24
1997-08-01	5.27
1997-09-01	5.23
1997-10-01	5.17
1997-11-01	5.17
1997-12-01	5.24
1998-01-01	4.98
1998-02-01	5.04
1998-03-01	5.11
1998-04-01	5.10
1998-05-01	5.16
1998-06-01	5.13
1998-07-01	5.08
1998-08-01	4.94
1998-09-01	4.50
1998-10-01	3.95
1998-11-01	4.33
1998-12-01	4.32
1999-01-01	4.31
1999-02-01	4.48
1999-03-01	4.53
1999-04-01	4.45
1999-05-01	4.60
1999-06-01	4.82
1999-07-01	4.75
1999-08-01	4.91
1999-09-01	4.96
1999-10-01	5.12
1999-11-01	5.24
1999-12-01	5.51
2000-01-01	5.75
2000-02-01	5.84
2000-03-01	5.86
2000-04-01	5.80
2000-05-01	5.94
2000-06-01	5.83
2000-07-01	5.75
2000-08-01	5.87
2000-09-01	5.79
2000-10-01	5.72
2000-11-01	5.84
2000-12-01	5.33
2001-01-01	4.63
2001-02-01	4.51
2001-03-01	4.11
2001-04-01	3.80
2001-05-01	3.60
2001-06-01	3.37
2001-07-01	3.39
2001-08-01	3.26
2001-09-01	.
2001-10-01	.
2001-11-01	.
2001-12-01	.
2002-01-01	1.67
2002-02-01	1.67
2002-03-01	.
2002-04-01	.
2002-05-01	.
2002-06-01	.
2002-07-01	.
2002-08-01	.
2002-09-01	.
2002-10-01	.
2002-11-01	.
2002-12-01	.
2003-01-01	.
2003-02-01	.
2003-03-01	.
2003-04-01	.
2003-05-01	.
2003-06-01	.
2003-07-01	.
2003-08-01	.
2003-09-01	.
2003-10-01	.
2003-11-01	.
2003-12-01	.
2004-01-01	.
2004-02-01	.
2004-03-01	.
2004-04-01	.
2004-05-01	.
2004-06-01	.
2004-07-01	.
2004-08-01	.
2004-09-01	.
2004-10-01	.
2004-11-01	.
2004-12-01	.
2005-01-01	.
2005-02-01	.
2005-03-01	.
2005-04-01	.
2005-05-01	.
2005-06-01	.
2005-07-01	.
2005-08-01	.
2005-09-01	.
2005-10-01	.
2005-11-01	.
2005-12-01	.
2006-01-01	.
2006-02-01	.
2006-03-01	.
2006-04-01	.
2006-05-01	.
2006-06-01	.
2006-07-01	.
2006-08-01	.
2006-09-01	.
2006-10-01	.
2006-11-01	.
2006-12-01	.
2007-01-01	.
2007-02-01	.
2007-03-01	.
2007-04-01	.
2007-05-01	.
2007-06-01	.
2007-07-01	.
2007-08-01	.
2007-09-01	.
2007-10-01	.
2007-11-01	.
2007-12-01	.
2008-01-01	.
2008-02-01	.
2008-03-01	.
2008-04-01	.
2008-05-01	.
2008-06-01	2.35
2008-07-01	2.20
2008-08-01	2.11
2008-09-01	1.86
2008-10-01	1.38
2008-11-01	1.04
2008-12-01	0.47
2009-01-01	0.42
2009-02-01	0.60
2009-03-01	0.62
2009-04-01	0.52
2009-05-01	0.48
2009-06-01	0.49
2009-07-01	0.46
2009-08-01	0.44
2009-09-01	0.38
2009-10-01	0.35
2009-11-01	0.29
2009-12-01	0.35
2010-01-01	0.32
2010-02-01	0.33
2010-03-01	0.37
2010-04-01	0.42
2010-05-01	0.35
2010-06-01	0.30
2010-07-01	0.28
2010-08-01	0.25
2010-09-01	0.25
2010-10-01	0.22
2010-11-01	0.24
2010-12-01	0.28
2011-01-01	0.26
2011-02-01	0.27
2011-03-01	0.24
2011-04-01	0.23
2011-05-01	0.17
2011-06-01	0.17
2011-07-01	0.18
2011-08-01	0.11
2011-09-01	0.10
2011-10-01	0.11
2011-11-01	0.11
2011-12-01	0.11
2012-01-01	0.11
2012-02-01	0.15
2012-03-01	0.18
2012-04-01	0.18
2012-05-01	0.19
2012-06-01	0.18
2012-07-01	0.18
2012-08-01	0.18
2012-09-01	0.17
2012-10-01	0.17
2012-11-01	0.17
2012-12-01	0.15
2013-01-01	0.14
2013-02-01	0.15
2013-03-01	0.14
2013-04-01	0.12
2013-05-01	0.11
2013-06-01	0.14
2013-07-01	0.12
2013-08-01	0.12
2013-09-01	0.11
2013-10-01	0.11
2013-11-01	0.12
2013-12-01	0.13
2014-01-01	0.11
2014-02-01	0.11
2014-03-01	0.12
2014-04-01	0.10
2014-05-01	0.09
2014-06-01	0.10
2014-07-01	0.10
2014-08-01	0.10
2014-09-01	0.10
2014-10-01	0.10
2014-11-01	0.12
2014-12-01	0.20
2015-01-01	0.18
2015-02-01	0.21
2015-03-01	0.24
2015-04-01	0.22
2015-05-01	0.22
2015-06-01	0.26
2015-07-01	0.28
2015-08-01	0.36
2015-09-01	0.35
2015-10-01	0.25
2015-11-01	0.45
2015-12-01	0.63
2016-01-01	0.52
2016-02-01	0.52
2016-03-01	0.64
2016-04-01	0.54
2016-05-01	0.57
2016-06-01	0.54
2016-07-01	0.50
2016-08-01	0.55
2016-09-01	0.58
2016-10-01	0.64
2016-11-01	0.71
2016-12-01	0.84
2017-01-01	0.80
2017-02-01	0.79
2017-03-01	0.98
2017-04-01	1.01
2017-05-01	1.09
2017-06-01	1.17
2017-07-01	1.19
2017-08-01	1.20
2017-09-01	1.25
2017-10-01	1.36
2017-11-01	1.51
2017-12-01	1.65
2018-01-01	1.75
2018-02-01	1.90
2018-03-01	2.00
2018-04-01	2.08
2018-05-01	2.20
2018-06-01	2.25
2018-07-01	2.31
2018-08-01	2.36
2018-09-01	2.47
2018-10-01	2.56
2018-11-01	2.60
2018-12-01	2.57
2019-01-01	2.50
2019-02-01	2.47
2019-03-01	2.41
2019-04-01	2.34
2019-05-01	2.27
2019-06-01	1.94
2019-07-01	1.91
2019-08-01	1.73
2019-09-01	1.75
2019-10-01	1.57
2019-11-01	1.53
2019-12-01	1.51
2020-01-01	1.49
2020-02-01	1.37
2020-03-01	0.32
2020-04-01	0.18
2020-05-01	0.16
2020-06-01	0.18
2020-07-01	0.15
2020-08-01	0.13
2020-09-01	0.13
2020-10-01	0.13
2020-11-01	0.12
2020-12-01	0.10
2021-01-01	0.10
2021-02-01	0.07
2021-03-01	0.07
2021-04-01	0.06
2021-05-01	0.05
2021-06-01	0.07
2021-07-01	0.07
2021-08-01	0.07
2021-09-01	0.07
2021-10-01	0.10
2021-11-01	0.17
2021-12-01	0.28
2022-01-01	0.53
2022-02-01	0.97
2022-03-01	1.28
2022-04-01	1.81
2022-05-01	1.97
2022-06-01	2.55
2022-07-01	2.91
2022-08-01	3.16
2022-09-01	3.73
2022-10-01	4.23
2022-11-01	4.51
2022-12-01	4.47
2023-01-01	4.49
2023-02-01	4.70
2023-03-01	4.47
2023-04-01	4.48
2023-05-01	4.69
2023-06-01	4.98
2023-07-01	5.10
2023-08-01	5.09
2023-09-01	5.15
2023-10-01	5.15
2023-11-01	5.01
2023-12-01	4.72
2024-01-01	4.57
2024-02-01	4.69
2024-03-01	4.76
2024-04-01	4.89
2024-05-01	4.91
2024-06-01	4.87
2024-07-01	4.68
2024-08-01	4.25
2024-09-01	3.87
2024-10-01	4.03
2024-11-01	4.14
2024-12-01	4.05
2025-01-01	4.00

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