Adjustable-rate mortgages now account for 18% of all mortgage applications, the highest share since 2008, as borrowers bet that interest rates will fall in the coming years.

Why ARMs Are Trending

With 30-year fixed rates hovering near 6.2%, 5/1 ARMs are available at 5.1% — saving borrowers over $200/month on a $400,000 loan. Many buyers are choosing ARMs with plans to refinance when rates drop.

Types of ARMs Available

Risks to Consider

If rates rise instead of falling, monthly payments could increase by $500-800 at the first adjustment. Rate caps limit increases to 2% per adjustment and 5% over the loan life, but borrowers should stress-test their budgets for worst-case scenarios.