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Fixed vs. adjustable-rate mortgages: which fits your life?

February 9, 20262 min readHelloLend Team

The choice between a fixed-rate mortgage (FRM) and an adjustable-rate mortgage (ARM) comes down to one question: how long do you plan to keep this loan?

Fixed rate or ARM
Fixed rateARM
RateSame for the life of the loanFixed for 5, 7 or 10 years, then adjusts
Starting rateUsually slightly higherOften lower than a comparable fixed rate
Fits whenThis is your long-term homeYou plan to sell or refinance within the fixed period
Trade-offYou pay for certaintyYou take on rate-reset risk

After the fixed period, an ARM adjusts based on a market index.

How each loan behaves

Fixed-rate mortgages. Your rate, and your principal-and-interest payment, stays the same for the life of the loan. The upside is predictability. The downside is that you usually pay a slightly higher rate for that certainty.

Adjustable-rate mortgages. Typically offered as 5/1, 7/1 or 10/1 ARMs. The first number is how many years the rate is fixed. After that, it adjusts annually based on a market index. The initial rate is often lower than a comparable fixed rate.

When an ARM makes sense

  • You plan to sell or refinance within the initial fixed period
  • You expect your income to rise substantially before adjustments begin
  • Fixed rates are elevated and you want payment relief now

When a fixed rate makes sense

  • This is your long-term home and you value payment stability
  • Rates are low enough that locking in feels like a win
  • You'd rather not worry about rate-reset math years from now

Neither loan is inherently better. They solve different problems.

Match the loan to your timeline and your tolerance for uncertainty. Our fixed-rate mortgage page covers the terms available.

Published February 9, 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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