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Prime Lending Rates (Principal Banks) from 1966 to 1988

Releases

Table : Releases (Percent per annum)
Effective Dates Short-term Rates * Long-term Prime Lending Rates
1966   Jan. 1   8.4
Oct. 1   8.2
1970   Apr. 1   8.5
May 15 6.25
1971   Jan. 23 6.0
May 11 5.75
July 31 5.5
Sep. 1 8.2
1972   Jan. 4 5.0
Apr. 1 8.0
June 28 4.5
Aug. 1 7.7
1973   Apr. 5 5.25
May 1 8.0
June 2 5.75
July 5 6.25
Aug. 1 8.3
Sep. 1 7.25
Oct. 1 8.6
1974   Jan. 4 9.25 9.4
Oct. 1 9.9
1975   Apr. 19 8.75
June 11 8.25
Aug. 1 9.7
Aug. 16 7.75
Oct. 28 6.75
Nov. 5 9.2
1977   Mar. 16 6.25
Apr. 22 5.25
Apr. 28 8.4
June 27 8.2
July 28 7.9
Sep. 8 4.5
Sep. 21 7.6
1978   Mar. 20 3.75
Mar. 27 7.1
1979   Apr. 20 4.5
May 1 7.7
July 27 5.5
Aug. 1 8.2
Nov. 7 6.5
1980   Feb. 22 7.5
Mar. 1 8.8
Mar. 24 9.25
Apr. 1 9.5
Aug. 23 8.5
Nov. 10 7.5
Nov. 28 8.8
1981   Mar. 23 6.75
Apr. 28 8.5
Nov. 1 8.9
Dec. 21 6.0
Dec. 28 8.6
1982   Mar. 29 8.4
Sep. 1 8.9
Dec. 28 8.6
1983   Jan. 28 8.4
Oct. 28 8.2
Nov. 11 5.5
1984   Mar. 28 7.9
Oct. 29 7.6
1985   Jan. 28 7.4
Apr. 1 7.7
May 28 7.5
July 29 7.2
Sep. 28 7.0
Dec. 2 7.5
Dec. 28 7.2
1986   Feb. 24 5.0
Feb. 28 6.9
Mar. 28 6.4
Mar. 31 4.5
May 19 4.125
Nov. 25 3.75
Nov. 28 6.2
1987   Jan. 28 5.8
Feb. 28 5.5
Mar. 16 3.375
Mar. 28 5.2
May 28 4.9
Aug. 1 5.2
Oct. 1 5.7
1988   Jan. 28 5.5
Aug. 1 5.7
  • The rates for banks surveyed under the Temporary Interest Rates Adjustment Law.

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