Historical Prime Rate

Since the Bank Prime Loan Rate was established in 1947, prime interest rates were adjusted a total of 365 times with 1980 seeing the highest amount of rate adjustments within a one-year period to the tune of 38 adjustments. There were no rate adjustments for 7 years between 12/17/08 and 12/16/15 - the longest stretch of stable bank prime loan rates. The average prime rate for all time is 9.53% with the minimum and maximum rates of 1.75% and 21.50%, occurring in 1947 and 1980 respectively. The current bank prime loan rate of 8.50% is -10.84% and -60.47% below the average and maximum rates, respectively.

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2015-2023

During this period, interest rates were adjusted 25 times. The average interest rate was 5.36% with the minimum and maximum rate at 3.25% and 8.50%, respectively.

2005-2014

During this period, interest rates were adjusted 22 times. The average interest rate was 6.34% with the minimum and maximum rate at 3.25% and 8.25%, respectively.

2000-2004

During this period, interest rates were adjusted 21 times. The average interest rate was 6.37% with the minimum and maximum rate at 4.00% and 9.50%, respectively.

1990-1999

During this period, interest rates were adjusted 24 times. The average interest rate was 8.05% with the minimum and maximum rate at 6.00% and 10.00%, respectively.

1985-1989

During this period, interest rates were adjusted 23 times. The average interest rate was 9.32% with the minimum and maximum rate at 7.5% and 11.50%, respectively.

1982-1984

During this period, interest rates were adjusted 25 times. The average interest rate was 13.10% with the minimum and maximum rate at 10.50% and 17.00%, respectively.

1981

During this period, interest rates were adjusted 23 times. The average interest rate was 18.51% with the minimum and maximum rate at 15.75% and 20.50%, respectively.

2H80

During this period, interest rates were adjusted 20 times. The average interest rate was 15.18% with the minimum and maximum rate at 11.00% and 21.50%, respectively.

1H80

During this period, interest rates were adjusted 18 times. The average interest rate was 16.61% with the minimum and maximum rate at 12.00% and 20.00%, respectively.

1979

During this period, interest rates were adjusted 15 times. The average interest rate was 13.68% with the minimum and maximum rate at 11.50% and 15.50%, respectively.

1978

During this period, interest rates were adjusted 15 times. The average interest rate was 9.78% with the minimum and maximum rate at 8.00% and 11.75%, respectively.

1976-1977

During this period, interest rates were adjusted 14 times. The average interest rate was 6.95% with the minimum and maximum rate at 6.25% and 7.75%, respectively.

1975

During this period, interest rates were adjusted 21 times. The average interest rate was 8.27% with the minimum and maximum rate at 7.00% and 10.25%, respectively.

1974

During this period, interest rates were adjusted 22 times. The average interest rate was 13.68% with the minimum and maximum rate at 11.50% and 15.50%, respectively.

1973

During this period, interest rates were adjusted 19 times. The average interest rate was 8.37% with the minimum and maximum rate at 6.25% and 10.00%, respectively.

1970-1972

During this period, interest rates were adjusted 25 times. The average interest rate was 5.85% with the minimum and maximum rate at 4.50% and 8.00%, respectively.

1960-1969

During this period, interest rates were adjusted 15 times. The average interest rate was 6.20% with the minimum and maximum rate at 4.50% and 8.50%, respectively.

1947-1959

During this period, interest rates were adjusted 18 times. The average interest rate was 3.36% with the minimum and maximum rate at 1.75% and 5.00%, respectively.