What does ARM stand for?

Adjustable rate mortgage

An acronym that stands for a type of mortgage where the interest paid on the outstanding balance changes based on a specific benchmark and an additional spread, which is called an "ARM margin"; also known as a "floating-rate mortgage" or a "variable-rate mortgage."


I have a 4/26 ARM, which means I have a fixed interest rate for 4 years and then a floating rate for the remaining 26 years on the mortgage

Related Slang


Updated February 25, 2015

ARM definition by

This page explains what the acronym "ARM" means. The definition, example, and related terms listed above have been written and compiled by the team.

We are constantly updating our database with new slang terms, acronyms, and abbreviations. If you would like to suggest a term or an update to an existing one, please let us know!