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Monthly Interest Rates, 1937-99

  Historical document  

Nominal interest rates on special issues (percent)
Month 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947
January 3.000 3.000 3.000 2.500 2.500 2.375 2.000 1.875 1.875 1.875 2.000
February 3.000 3.000 3.000 2.500 2.500 2.375 2.000 1.875 1.875 1.875 2.000
March 3.000 3.000 3.000 2.500 2.500 2.375 2.000 1.875 1.875 1.875 2.000
April 3.000 3.000 3.000 2.500 2.500 2.375 2.000 1.875 1.875 1.875 2.000
May 3.000 3.000 3.000 2.500 2.500 2.250 1.875 1.875 1.875 1.875 2.000
June 3.000 3.000 3.000 2.500 2.500 2.250 1.875 1.875 1.875 1.875 2.000
July 3.000 3.000 3.000 2.500 2.500 2.250 1.875 1.875 1.875 1.875 2.000
August 3.000 3.000 3.000 2.500 2.500 2.125 1.875 1.875 1.875 2.000 2.000
September 3.000 3.000 3.000 2.500 2.375 2.125 1.875 1.875 1.875 2.000 2.000
October 3.000 3.000 3.000 2.500 2.375 2.125 1.875 1.875 1.875 2.000 2.125
November 3.000 3.000 3.000 2.500 2.375 2.125 1.875 1.875 1.875 2.000 2.125
December 3.000 3.000 3.000 2.500 2.375 2.000 1.875 1.875 1.875 2.000 2.125

  1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958
January 2.125 2.125 2.125 2.125 2.250 2.250 2.375 2.250 2.375 2.500 2.500
February 2.125 2.125 2.125 2.125 2.250 2.250 2.375 2.250 2.375 2.500 2.500
March 2.125 2.125 2.125 2.125 2.250 2.375 2.375 2.250 2.375 2.500 2.500
April 2.125 2.125 2.125 2.125 2.250 2.375 2.375 2.250 2.500 2.500 2.500
May 2.125 2.125 2.125 2.125 2.250 2.375 2.375 2.250 2.500 2.500 2.500
June 2.125 2.125 2.125 2.125 2.250 2.375 2.250 2.250 2.500 2.500 2.500
July 2.125 2.125 2.125 2.250 2.250 2.375 2.250 2.250 2.500 2.500 2.625
August 2.125 2.125 2.125 2.250 2.250 2.375 2.250 2.250 2.500 2.500 2.625
September 2.125 2.125 2.125 2.250 2.250 2.375 2.250 2.375 2.500 2.500 2.625
October 2.125 2.125 2.125 2.250 2.250 2.375 2.250 2.375 2.500 2.500 2.625
November 2.125 2.125 2.125 2.250 2.250 2.375 2.250 2.375 2.500 2.500 2.625
December 2.125 2.125 2.125 2.250 2.250 2.375 2.250 2.375 2.500 2.500 2.625

  1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969
January 2.625 2.625 3.750 4.000 3.750 4.125 4.125 4.625 4.625 5.625 6.000
February 2.625 2.625 3.750 4.000 3.750 4.125 4.125 4.750 4.500 5.375 6.125
March 2.625 2.625 3.625 3.875 3.875 4.125 4.125 5.000 4.750 5.375 6.250
April 2.625 2.625 3.750 3.750 3.875 4.250 4.125 4.750 4.375 5.625 6.250
May 2.625 2.625 3.625 3.750 3.875 4.125 4.125 4.750 4.750 5.625 6.125
June 2.625 2.625 3.750 3.750 3.875 4.125 4.125 4.875 4.750 5.625 6.500
July 2.625 2.625 3.875 3.875 3.875 4.125 4.125 5.000 5.125 5.500 6.625
August 2.625 2.625 3.875 4.000 3.875 4.125 4.125 5.125 5.000 5.250 6.625
September 2.625 2.625 4.000 3.875 4.000 4.125 4.250 5.375 5.125 5.375 6.750
October 2.625 3.625 3.875 3.875 4.000 4.125 4.375 5.125 5.250 5.375 7.625
November 2.625 3.750 3.875 3.750 4.125 4.125 4.375 5.000 5.625 5.500 7.000
December 2.625 4.000 4.000 3.750 4.000 4.125 4.375 5.000 5.625 5.625 7.250

  1970 1971 1972 1973 1974 1975 1976 1977 1978 1979
January 7.750 6.125 5.625 6.125 6.750 7.125 7.250 6.375 7.625 9.000
February 7.875 5.875 5.875 6.375 6.750 7.125 7.250 7.125 7.750 8.750
March 7.000 5.625 5.750 6.500 6.875 6.875 7.250 7.125 7.875 9.000
April 7.000 5.250 6.000 6.625 7.375 7.250 7.125 7.125 8.000 8.875
May 7.625 6.000 5.875 6.500 7.750 7.625 7.125 7.125 8.000 9.000
June 7.625 6.125 5.750 6.625 7.625 7.375 7.500 7.125 8.250 8.750
July 7.500 6.625 6.000 6.750 7.875 7.375 7.375 7.000 8.375 8.500
August 7.375 6.750 5.875 7.500 8.000 7.500 7.250 7.125 8.375 8.750
September 7.250 6.000 6.125 7.000 8.125 7.625 7.125 7.000 8.250 9.000
October 7.000 5.875 6.125 6.500 7.750 7.875 7.125 7.125 8.375 9.250
November 7.000 5.625 6.125 6.625 7.625 7.375 6.875 7.375 8.875 10.500
December 6.125 5.875 6.000 6.625 7.375 7.625 6.500 7.375 8.625 10.000

  1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
January 10.000 11.875 13.500 10.500 11.750 11.500 9.125 7.500 8.875 9.250
February 10.750 12.125 13.750 10.875 11.500 11.125 9.250 7.375 8.250 9.000
March 12.375 12.875 13.625 10.375 11.875 11.875 8.375 7.375 8.125 9.375
April 12.250 12.500 13.625 10.625 12.375 11.625 7.625 7.625 8.625 9.375
May 10.375 13.500 13.250 10.250 12.625 11.375 7.625 8.375 8.875 9.125
June 9.750 13.000 13.250 10.750 13.750 10.375 8.375 8.625 9.250 8.750
July 9.625 13.250 13.875 10.875 13.750 10.250 7.750 8.500 8.875 8.250
August 10.125 14.000 13.250 11.750 12.875 10.625 7.750 8.750 9.125 7.875
September 11.125 14.875 12.250 11.875 12.750 10.375 7.250 9.000 9.250 8.375
October 11.500 15.250 11.625 11.375 12.375 10.375 7.750 9.625 8.875 8.500
November 12.000 14.250 10.625 11.625 11.625 10.125 7.625 9.000 8.625 8.000
December 12.125 12.500 10.750 11.500 11.500 9.750 7.375 9.000 9.125 8.000

  1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
January 8.125 8.125 6.875 6.875 6.000 8.000 5.875 6.625 6.000 5.000
February 8.500 8.125 7.250 6.500 5.750 7.750 5.875 6.625 5.750 5.000
March 8.625 8.125 7.375 6.250 6.250 7.375 6.375 6.750 5.875 5.625
April 8.750 8.125 7.625 6.250 6.875 7.375 6.625 7.125 6.000 5.625
May 9.125 8.125 7.625 6.125 7.125 7.250 6.875 6.875 6.000 5.625
June 8.750 8.125 7.375 6.250 7.250 6.500 7.000 6.875 5.875 6.000
July 8.500 8.250 7.125 5.875 7.375 6.500 6.875 6.750 5.750 6.125
August 8.375 8.250 6.750 5.875 7.125 6.625 6.875 6.250 5.750 6.250
September 8.875 7.875 6.625 5.625 7.250 6.500 7.125 6.625 5.375 6.250
October 8.875 7.500 6.500 5.625 7.750 6.375 6.875 6.375 4.875 6.250
November 8.625 7.500 6.875 5.625 7.875 6.250 6.500 6.125 5.125 6.250
December 8.375 7.375 7.000 5.875 8.000 6.000 6.250 6.125 5.125 6.375
The above table of interest rates applies only to new investments for the months shown. The current formula for determining special-issue interest rates became effective with the October 1960 rate.   Return to interest rate information.
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Last reviewed or modified Tuesday Jan 5, 2010
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