Adjustable-Rate Mortgage (ARM) - A mortgage loan that allows the lender to adjust the interest rate in accordance with a specified index periodically and as agreed by the lender and borrower at the inception of the loan. Also referred to as a variable rate mortgage (VRM).
Convertible ARM - A type of adjustable rate mortgage that includes an option for the borrower to change the mortgage to a fixed-rate mortgage in the early years of the mortgage term.
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