Business and Personal Finance Dictionary

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• INTEREST RATE ADJUSTMENT PERIOD
  
  The frequency of rate adjustments on an ARM after the initial rate period is over. The rate adjustment period is sometimes but not always the same as the initial rate period. As an example, a 3/3 ARM is one in which both periods are 3 years while a 3/1 ARM has an initial rate period of 3 years after which the rate adjusts every year.
  
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