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5-Year ARM Refinance Guide: Rates, Reset Rules & When to Switch

Quick Answer: An ARM refinance makes sense in two situations. Refinancing into a 5-year adjustable-rate mortgage (ARM) works when its rate sits well below a 30-year fixed mortgage and you expect to be out of the loan within about five years. If you already have an ARM and its reset rate would land above today’s fixed mortgage rates, refinance into a fixed-rate mortgage before the first adjustment.

Wayne Wright

Sep 22, 2026

17 min read