To give you an idea of how the prime rate moves and how often, here’s a look at changes to the prime rate in recent years: The 10 Most Recent Prime Rate Changes ...

In December of 1980, the Prime Loan rate peaked at 21.50%! One year later, it would be 15.75% and a year after that, by December of 1982, it would be 11.50% or a full 10% lower than just 2 years ...

The prime rate affects almost all individuals and organizations in some way, typically determining how much interest they’ll have to pay on bank-borrowed money. The prime rate stands at 5.50% ...

Here's a chart of interest rates since 3000 BC . ... 1824-1919 rate on 3 month prime or first class bills; ... 1954-2014 yield on 10 year US treasuries.