Table Data - 6-Month Treasury Bill Minus Federal Funds Rate

Title	6-Month Treasury Bill Minus Federal Funds Rate
Series ID	TB6SMFFM
Source	Federal Reserve Bank of St. Louis
Release	Interest Rate Spreads (Not a Press Release)
Seasonal Adjustment	Not Seasonally Adjusted
Frequency	Monthly
Units	Percent
Date Range	1958-12-01 to 2024-10-01
Last Updated	2024-11-01 4:01 PM CDT
Notes

DATE	VALUE
1958-12-01	0.59
1959-01-01	0.61
1959-02-01	0.70
1959-03-01	0.33
1959-04-01	0.31
1959-05-01	0.43
1959-06-01	0.13
1959-07-01	0.35
1959-08-01	0.37
1959-09-01	0.94
1959-10-01	0.55
1959-11-01	0.54
1959-12-01	0.86
1960-01-01	0.75
1960-02-01	0.33
1960-03-01	-0.23
1960-04-01	-0.37
1960-05-01	-0.27
1960-06-01	-0.58
1960-07-01	-0.52
1960-08-01	-0.39
1960-09-01	0.23
1960-10-01	0.26
1960-11-01	0.22
1960-12-01	0.52
1961-01-01	1.02
1961-02-01	0.06
1961-03-01	0.52
1961-04-01	0.98
1961-05-01	0.47
1961-06-01	0.81
1961-07-01	1.28
1961-08-01	0.66
1961-09-01	0.80
1961-10-01	0.40
1961-11-01	0.09
1961-12-01	0.55
1962-01-01	0.79
1962-02-01	0.56
1962-03-01	0.02
1962-04-01	0.05
1962-05-01	0.42
1962-06-01	0.12
1962-07-01	0.37
1962-08-01	0.06
1962-09-01	0.03
1962-10-01	-0.06
1962-11-01	-0.05
1962-12-01	-0.02
1963-01-01	0.04
1963-02-01	-0.02
1963-03-01	-0.03
1963-04-01	0.08
1963-05-01	0.01
1963-06-01	0.09
1963-07-01	0.29
1963-08-01	-0.05
1963-09-01	0.02
1963-10-01	0.08
1963-11-01	0.17
1963-12-01	0.28
1964-01-01	0.16
1964-02-01	0.19
1964-03-01	0.29
1964-04-01	0.19
1964-05-01	0.10
1964-06-01	0.06
1964-07-01	0.14
1964-08-01	0.11
1964-09-01	0.23
1964-10-01	0.36
1964-11-01	0.29
1964-12-01	0.10
1965-01-01	0.04
1965-02-01	0.02
1965-03-01	-0.04
1965-04-01	-0.10
1965-05-01	-0.15
1965-06-01	-0.18
1965-07-01	-0.19
1965-08-01	-0.17
1965-09-01	0.06
1965-10-01	0.11
1965-11-01	0.14
1965-12-01	0.23
1966-01-01	0.29
1966-02-01	0.22
1966-03-01	0.13
1966-04-01	0.07
1966-05-01	-0.09
1966-06-01	-0.52
1966-07-01	-0.37
1966-08-01	-0.26
1966-09-01	0.39
1966-10-01	0.09
1966-11-01	-0.22
1966-12-01	-0.33
1967-01-01	-0.20
1967-02-01	-0.41
1967-03-01	-0.31
1967-04-01	-0.16
1967-05-01	-0.14
1967-06-01	-0.09
1967-07-01	0.93
1967-08-01	0.93
1967-09-01	0.97
1967-10-01	1.19
1967-11-01	1.12
1967-12-01	0.98
1968-01-01	0.64
1968-02-01	0.46
1968-03-01	0.28
1968-04-01	-0.27
1968-05-01	-0.28
1968-06-01	-0.43
1968-07-01	-0.61
1968-08-01	-0.80
1968-09-01	-0.53
1968-10-01	-0.50
1968-11-01	-0.22
1968-12-01	0.04
1969-01-01	-0.02
1969-02-01	-0.31
1969-03-01	-0.63
1969-04-01	-1.28
1969-05-01	-2.52
1969-06-01	-2.15
1969-07-01	-1.37
1969-08-01	-2.00
1969-09-01	-1.83
1969-10-01	-1.71
1969-11-01	-1.23
1969-12-01	-1.07
1970-01-01	-1.20
1970-02-01	-1.76
1970-03-01	-1.18
1970-04-01	-1.50
1970-05-01	-0.92
1970-06-01	-0.74
1970-07-01	-0.70
1970-08-01	-0.06
1970-09-01	0.17
1970-10-01	0.01
1970-11-01	-0.18
1970-12-01	-0.01
1971-01-01	0.33
1971-02-01	0.06
1971-03-01	-0.21
1971-04-01	-0.12
1971-05-01	-0.27
1971-06-01	0.06
1971-07-01	0.32
1971-08-01	-0.34
1971-09-01	-0.58
1971-10-01	-0.60
1971-11-01	-0.53
1971-12-01	0.09
1972-01-01	0.16
1972-02-01	0.34
1972-03-01	0.29
1972-04-01	0.06
1972-05-01	-0.15
1972-06-01	-0.11
1972-07-01	-0.05
1972-08-01	-0.25
1972-09-01	0.26
1972-10-01	0.09
1972-11-01	0.03
1972-12-01	-0.03
1973-01-01	-0.32
1973-02-01	-0.75
1973-03-01	-0.58
1973-04-01	-0.60
1973-05-01	-1.22
1973-06-01	-1.26
1973-07-01	-2.28
1973-08-01	-1.85
1973-09-01	-2.33
1973-10-01	-2.69
1973-11-01	-2.07
1973-12-01	-2.39
1974-01-01	-2.00
1974-02-01	-2.01
1974-03-01	-1.52
1974-04-01	-2.19
1974-05-01	-2.91
1974-06-01	-3.81
1974-07-01	-4.98
1974-08-01	-2.90
1974-09-01	-2.81
1974-10-01	-2.32
1974-11-01	-1.93
1974-12-01	-1.42
1975-01-01	-0.77
1975-02-01	-0.62
1975-03-01	0.08
1975-04-01	0.51
1975-05-01	0.37
1975-06-01	0.06
1975-07-01	0.40
1975-08-01	0.80
1975-09-01	0.68
1975-10-01	0.43
1975-11-01	0.58
1975-12-01	0.65
1976-01-01	0.27
1976-02-01	0.43
1976-03-01	0.60
1976-04-01	0.36
1976-05-01	0.33
1976-06-01	0.29
1976-07-01	0.22
1976-08-01	0.11
1976-09-01	0.05
1976-10-01	0.04
1976-11-01	-0.07
1976-12-01	-0.14
1977-01-01	0.22
1977-02-01	0.22
1977-03-01	0.19
1977-04-01	0.07
1977-05-01	-0.15
1977-06-01	-0.18
1977-07-01	-0.02
1977-08-01	-0.07
1977-09-01	-0.10
1977-10-01	-0.04
1977-11-01	-0.10
1977-12-01	-0.16
1978-01-01	0.00
1978-02-01	-0.04
1978-03-01	-0.16
1978-04-01	-0.16
1978-05-01	-0.34
1978-06-01	-0.37
1978-07-01	-0.37
1978-08-01	-0.67
1978-09-01	-0.46
1978-10-01	-0.41
1978-11-01	-0.52
1978-12-01	-0.67
1979-01-01	-0.60
1979-02-01	-0.65
1979-03-01	-0.62
1979-04-01	-0.52
1979-05-01	-0.70
1979-06-01	-1.23
1979-07-01	-1.23
1979-08-01	-1.45
1979-09-01	-1.23
1979-10-01	-2.11
1979-11-01	-1.36
1979-12-01	-1.94
1980-01-01	-1.98
1980-02-01	-1.27
1980-03-01	-2.16
1980-04-01	-4.73
1980-05-01	-2.33
1980-06-01	-2.17
1980-07-01	-0.97
1980-08-01	-0.20
1980-09-01	-0.30
1980-10-01	-1.18
1980-11-01	-2.35
1980-12-01	-4.26
1981-01-01	-5.00
1981-02-01	-1.88
1981-03-01	-1.89
1981-04-01	-2.27
1981-05-01	-3.23
1981-06-01	-5.01
1981-07-01	-4.30
1981-08-01	-2.30
1981-09-01	-0.95
1981-10-01	-1.26
1981-11-01	-2.01
1981-12-01	-0.85
1982-01-01	-0.39
1982-02-01	-1.17
1982-03-01	-1.91
1982-04-01	-2.14
1982-05-01	-2.29
1982-06-01	-1.45
1982-07-01	-0.71
1982-08-01	-0.24
1982-09-01	-0.94
1982-10-01	-1.42
1982-11-01	-0.86
1982-12-01	-0.79
1983-01-01	-0.75
1983-02-01	-0.28
1983-03-01	-0.40
1983-04-01	-0.50
1983-05-01	-0.41
1983-06-01	-0.09
1983-07-01	-0.11
1983-08-01	-0.05
1983-09-01	-0.30
1983-10-01	-0.65
1983-11-01	-0.41
1983-12-01	-0.30
1984-01-01	-0.55
1984-02-01	-0.41
1984-03-01	-0.25
1984-04-01	-0.45
1984-05-01	-0.01
1984-06-01	-0.55
1984-07-01	-0.71
1984-08-01	-1.03
1984-09-01	-0.83
1984-10-01	-0.12
1984-11-01	-0.62
1984-12-01	-0.10
1985-01-01	-0.35
1985-02-01	-0.11
1985-03-01	0.32
1985-04-01	-0.04
1985-05-01	-0.32
1985-06-01	-0.44
1985-07-01	-0.68
1985-08-01	-0.58
1985-09-01	-0.65
1985-10-01	-0.66
1985-11-01	-0.75
1985-12-01	-1.13
1986-01-01	-0.98
1986-02-01	-0.75
1986-03-01	-0.91
1986-04-01	-0.91
1986-05-01	-0.66
1986-06-01	-0.65
1986-07-01	-0.70
1986-08-01	-0.62
1986-09-01	-0.54
1986-10-01	-0.59
1986-11-01	-0.63
1986-12-01	-1.36
1987-01-01	-0.99
1987-02-01	-0.51
1987-03-01	-0.53
1987-04-01	-0.47
1987-05-01	-0.80
1987-06-01	-0.74
1987-07-01	-0.82
1987-08-01	-0.58
1987-09-01	-0.58
1987-10-01	-0.60
1987-11-01	-0.50
1987-12-01	-0.41
1988-01-01	-0.58
1988-02-01	-0.65
1988-03-01	-0.67
1988-04-01	-0.66
1988-05-01	-0.53
1988-06-01	-0.80
1988-07-01	-0.76
1988-08-01	-0.62
1988-09-01	-0.76
1988-10-01	-0.80
1988-11-01	-0.49
1988-12-01	-0.54
1989-01-01	-0.76
1989-02-01	-0.81
1989-03-01	-1.00
1989-04-01	-1.19
1989-05-01	-1.40
1989-06-01	-1.60
1989-07-01	-1.63
1989-08-01	-1.25
1989-09-01	-1.28
1989-10-01	-1.22
1989-11-01	-1.06
1989-12-01	-1.03
1990-01-01	-0.68
1990-02-01	-0.54
1990-03-01	-0.43
1990-04-01	-0.42
1990-05-01	-0.42
1990-06-01	-0.66
1990-07-01	-0.63
1990-08-01	-0.75
1990-09-01	-0.88
1990-10-01	-0.95
1990-11-01	-0.78
1990-12-01	-0.61
1991-01-01	-0.63
1991-02-01	-0.32
1991-03-01	-0.20
1991-04-01	-0.20
1991-05-01	-0.17
1991-06-01	-0.15
1991-07-01	-0.12
1991-08-01	-0.27
1991-09-01	-0.20
1991-10-01	-0.17
1991-11-01	-0.20
1991-12-01	-0.33
1992-01-01	-0.16
1992-02-01	-0.13
1992-03-01	0.20
1992-04-01	0.14
1992-05-01	-0.07
1992-06-01	0.01
1992-07-01	0.03
1992-08-01	-0.09
1992-09-01	-0.26
1992-10-01	-0.06
1992-11-01	0.25
1992-12-01	0.44
1993-01-01	0.12
1993-02-01	0.04
1993-03-01	-0.02
1993-04-01	0.01
1993-05-01	0.07
1993-06-01	0.16
1993-07-01	0.10
1993-08-01	0.11
1993-09-01	-0.03
1993-10-01	0.13
1993-11-01	0.24
1993-12-01	0.27
1994-01-01	0.10
1994-02-01	0.18
1994-03-01	0.44
1994-04-01	0.53
1994-05-01	0.59
1994-06-01	0.30
1994-07-01	0.49
1994-08-01	0.41
1994-09-01	0.31
1994-10-01	0.63
1994-11-01	0.43
1994-12-01	0.76
1995-01-01	0.68
1995-02-01	0.11
1995-03-01	-0.09
1995-04-01	-0.28
1995-05-01	-0.34
1995-06-01	-0.58
1995-07-01	-0.48
1995-08-01	-0.33
1995-09-01	-0.50
1995-10-01	-0.44
1995-11-01	-0.53
1995-12-01	-0.47
1996-01-01	-0.64
1996-02-01	-0.45
1996-03-01	-0.35
1996-04-01	-0.16
1996-05-01	-0.12
1996-06-01	-0.02
1996-07-01	-0.10
1996-08-01	-0.09
1996-09-01	-0.06
1996-10-01	-0.13
1996-11-01	-0.24
1996-12-01	-0.25
1997-01-01	-0.15
1997-02-01	-0.13
1997-03-01	-0.13
1997-04-01	-0.14
1997-05-01	-0.20
1997-06-01	-0.43
1997-07-01	-0.40
1997-08-01	-0.35
1997-09-01	-0.45
1997-10-01	-0.41
1997-11-01	-0.35
1997-12-01	-0.26
1998-01-01	-0.53
1998-02-01	-0.44
1998-03-01	-0.45
1998-04-01	-0.39
1998-05-01	-0.35
1998-06-01	-0.44
1998-07-01	-0.51
1998-08-01	-0.60
1998-09-01	-0.88
1998-10-01	-1.02
1998-11-01	-0.41
1998-12-01	-0.28
1999-01-01	-0.30
1999-02-01	-0.32
1999-03-01	-0.34
1999-04-01	-0.37
1999-05-01	-0.18
1999-06-01	0.06
1999-07-01	-0.41
1999-08-01	-0.20
1999-09-01	-0.34
1999-10-01	-0.22
1999-11-01	-0.22
1999-12-01	0.14
2000-01-01	0.05
2000-02-01	-0.01
2000-03-01	0.00
2000-04-01	-0.21
2000-05-01	-0.17
2000-06-01	-0.56
2000-07-01	-0.54
2000-08-01	-0.43
2000-09-01	-0.54
2000-10-01	-0.47
2000-11-01	-0.45
2000-12-01	-0.72
2001-01-01	-1.03
2001-02-01	-0.78
2001-03-01	-1.03
2001-04-01	-0.95
2001-05-01	-0.59
2001-06-01	-0.52
2001-07-01	-0.32
2001-08-01	-0.36
2001-09-01	-0.44
2001-10-01	-0.37
2001-11-01	-0.21
2001-12-01	-0.04
2002-01-01	0.00
2002-02-01	0.08
2002-03-01	0.27
2002-04-01	0.17
2002-05-01	0.11
2002-06-01	0.04
2002-07-01	-0.04
2002-08-01	-0.14
2002-09-01	-0.15
2002-10-01	-0.19
2002-11-01	-0.07
2002-12-01	0.00
2003-01-01	-0.04
2003-02-01	-0.08
2003-03-01	-0.12
2003-04-01	-0.12
2003-05-01	-0.18
2003-06-01	-0.30
2003-07-01	-0.06
2003-08-01	0.00
2003-09-01	0.00
2003-10-01	-0.01
2003-11-01	0.02
2003-12-01	0.01
2004-01-01	-0.03
2004-02-01	-0.02
2004-03-01	-0.01
2004-04-01	0.09
2004-05-01	0.31
2004-06-01	0.57
2004-07-01	0.40
2004-08-01	0.29
2004-09-01	0.26
2004-10-01	0.24
2004-11-01	0.34
2004-12-01	0.27
2005-01-01	0.33
2005-02-01	0.27
2005-03-01	0.37
2005-04-01	0.26
2005-05-01	0.08
2005-06-01	0.09
2005-07-01	0.16
2005-08-01	0.16
2005-09-01	0.05
2005-10-01	0.21
2005-11-01	0.15
2005-12-01	0.02
2006-01-01	0.02
2006-02-01	0.03
2006-03-01	0.03
2006-04-01	-0.07
2006-05-01	-0.12
2006-06-01	-0.02
2006-07-01	-0.18
2006-08-01	-0.28
2006-09-01	-0.36
2006-10-01	-0.33
2006-11-01	-0.30
2006-12-01	-0.36
2007-01-01	-0.30
2007-02-01	-0.30
2007-03-01	-0.37
2007-04-01	-0.39
2007-05-01	-0.47
2007-06-01	-0.49
2007-07-01	-0.43
2007-08-01	-0.64
2007-09-01	-0.89
2007-10-01	-0.75
2007-11-01	-1.03
2007-12-01	-1.01
2008-01-01	-1.19
2008-02-01	-0.94
2008-03-01	-1.13
2008-04-01	-0.73
2008-05-01	-0.16
2008-06-01	0.13
2008-07-01	-0.08
2008-08-01	-0.08
2008-09-01	-0.20
2008-10-01	0.23
2008-11-01	0.34
2008-12-01	0.10
2009-01-01	0.15
2009-02-01	0.23
2009-03-01	0.24
2009-04-01	0.20
2009-05-01	0.12
2009-06-01	0.10
2009-07-01	0.11
2009-08-01	0.10
2009-09-01	0.06
2009-10-01	0.04
2009-11-01	0.03
2009-12-01	0.05
2010-01-01	0.04
2010-02-01	0.05
2010-03-01	0.06
2010-04-01	0.04
2010-05-01	0.02
2010-06-01	0.01
2010-07-01	0.02
2010-08-01	0.00
2010-09-01	0.00
2010-10-01	-0.01
2010-11-01	-0.01
2010-12-01	0.01
2011-01-01	0.01
2011-02-01	0.01
2011-03-01	0.02
2011-04-01	0.02
2011-05-01	0.00
2011-06-01	0.01
2011-07-01	0.01
2011-08-01	-0.04
2011-09-01	-0.04
2011-10-01	-0.02
2011-11-01	-0.03
2011-12-01	-0.02
2012-01-01	-0.01
2012-02-01	0.02
2012-03-01	0.01
2012-04-01	0.00
2012-05-01	-0.01
2012-06-01	-0.01
2012-07-01	-0.01
2012-08-01	0.01
2012-09-01	0.00
2012-10-01	-0.01
2012-11-01	-0.02
2012-12-01	-0.04
2013-01-01	-0.03
2013-02-01	-0.03
2013-03-01	-0.03
2013-04-01	-0.06
2013-05-01	-0.03
2013-06-01	0.00
2013-07-01	-0.02
2013-08-01	-0.01
2013-09-01	-0.04
2013-10-01	-0.01
2013-11-01	0.02
2013-12-01	0.01
2014-01-01	0.00
2014-02-01	0.01
2014-03-01	0.00
2014-04-01	-0.04
2014-05-01	-0.04
2014-06-01	-0.04
2014-07-01	-0.03
2014-08-01	-0.04
2014-09-01	-0.05
2014-10-01	-0.04
2014-11-01	-0.02
2014-12-01	-0.01
2015-01-01	-0.03
2015-02-01	-0.04
2015-03-01	0.00
2015-04-01	-0.03
2015-05-01	-0.04
2015-06-01	-0.04
2015-07-01	-0.01
2015-08-01	0.08
2015-09-01	0.04
2015-10-01	-0.01
2015-11-01	0.20
2015-12-01	0.25
2016-01-01	0.09
2016-02-01	0.06
2016-03-01	0.10
2016-04-01	0.00
2016-05-01	0.04
2016-06-01	0.02
2016-07-01	0.00
2016-08-01	0.04
2016-09-01	0.06
2016-10-01	0.07
2016-11-01	0.16
2016-12-01	0.09
2017-01-01	-0.04
2017-02-01	-0.02
2017-03-01	0.08
2017-04-01	0.03
2017-05-01	0.11
2017-06-01	0.05
2017-07-01	-0.04
2017-08-01	-0.05
2017-09-01	0.00
2017-10-01	0.08
2017-11-01	0.20
2017-12-01	0.17
2018-01-01	0.18
2018-02-01	0.33
2018-03-01	0.36
2018-04-01	0.24
2018-05-01	0.32
2018-06-01	0.24
2018-07-01	0.20
2018-08-01	0.28
2018-09-01	0.34
2018-10-01	0.21
2018-11-01	0.26
2018-12-01	0.21
2019-01-01	0.05
2019-02-01	0.04
2019-03-01	0.04
2019-04-01	-0.03
2019-05-01	-0.04
2019-06-01	-0.27
2019-07-01	-0.37
2019-08-01	-0.24
2019-09-01	-0.21
2019-10-01	-0.21
2019-11-01	0.00
2019-12-01	-0.01
2020-01-01	-0.03
2020-02-01	-0.11
2020-03-01	-0.34
2020-04-01	0.12
2020-05-01	0.10
2020-06-01	0.10
2020-07-01	0.05
2020-08-01	0.03
2020-09-01	0.03
2020-10-01	0.02
2020-11-01	0.01
2020-12-01	0.00
2021-01-01	0.00
2021-02-01	-0.02
2021-03-01	-0.02
2021-04-01	-0.03
2021-05-01	-0.02
2021-06-01	-0.03
2021-07-01	-0.05
2021-08-01	-0.03
2021-09-01	-0.03
2021-10-01	-0.02
2021-11-01	-0.01
2021-12-01	0.07
2022-01-01	0.25
2022-02-01	0.56
2022-03-01	0.63
2022-04-01	0.90
2022-05-01	0.69
2022-06-01	0.92
2022-07-01	1.11
2022-08-01	0.72
2022-09-01	1.05
2022-10-01	1.10
2022-11-01	0.73
2022-12-01	0.46
2023-01-01	0.34
2023-02-01	0.24
2023-03-01	0.12
2023-04-01	-0.04
2023-05-01	-0.02
2023-06-01	0.11
2023-07-01	0.15
2023-08-01	-0.05
2023-09-01	-0.02
2023-10-01	0.00
2023-11-01	-0.09
2023-12-01	-0.21
2024-01-01	-0.31
2024-02-01	-0.24
2024-03-01	-0.22
2024-04-01	-0.18
2024-05-01	-0.16
2024-06-01	-0.18
2024-07-01	-0.32
2024-08-01	-0.59
2024-09-01	-0.71
2024-10-01	-0.53

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