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Refinancing an ARM into a fixed rate: when to make the move

August 27, 20262 min readHelloLend Team

An adjustable-rate mortgage starts with a lower rate for a set period, often five, seven or ten years, then adjusts with the market. Before that reset arrives, most ARM holders face one question: refinance into a fixed rate, or ride it out.

Refinance now or ride out the ARM
Refinance to fixedKeep the ARM
Fixed periodEnding within 12 to 18 monthsRuns past your move date
Fixed ratesClose to or below your projected resetMeaningfully higher than your ARM rate
Your plansStaying long-term, want certaintySelling or moving before the reset
Caps and indexCaps would push the payment too highTracking down, first adjustment could be lower

Run the comparison a year or more before your adjustment period begins.

When a fixed rate makes sense

  • Your ARM's fixed period ends within the next 12 to 18 months
  • Current fixed rates are close to, or lower than, where your ARM is projected to reset
  • You plan to stay in the home long-term and want payment certainty
  • Your caps (the most your rate can rise per adjustment and over the life of the loan) would push your payment beyond what feels comfortable

When waiting is the better call

  • You expect to sell or move before the adjustment period begins
  • Your ARM's index is tracking downward, so your first adjustment could lower your payment
  • Current fixed rates are meaningfully higher than your existing ARM rate

Read your caps first

Every ARM has built-in rate caps that limit how much your payment can rise at each adjustment and over the life of the loan. Those numbers, not guesses about future rates, are the real basis for this decision.

There is no universal right answer. It comes down to your ARM's terms, how long you plan to stay and where fixed rates sit against your reset date.

Running the comparison a year or more before your adjustment period begins gives you the most options. A loan officer can lay your current ARM next to a fixed-rate mortgage so you can see both payments.

Published August 27, 2026 by the HelloLend Team. General information, not legal or financial advice. Talk to your loan officer about your own loan. This is not a commitment to lend or extend credit.

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