Loans
Cap (ARM)
A limit on how much the interest rate on an adjustable-rate mortgage can change during a specific period or over the life of the loan. Caps are typically expressed as three numbers, such as 2/2/5, meaning the rate can increase up to 2% at the first adjustment, up to 2% at each subsequent adjustment, and up to 5% total over the life of the loan. Caps protect borrowers from extreme rate increases.
Why It Matters
Cap (ARM) is a concept every mortgage borrower should understand before signing loan documents. The terms of your mortgage — including factors like cap (arm) — directly determine your monthly payment, total interest paid, and financial flexibility for the next 15-30 years. Taking time to understand these terms puts you in a stronger negotiating position with lenders.
When evaluating loan offers, ask your lender to explain how cap (arm) affects your specific loan scenario. Get it in writing on your Loan Estimate form, and compare how different lenders handle cap (arm) — the differences can save or cost you thousands over the life of your mortgage.
Real-World Example
For a typical $300,000, 30-year mortgage at 6.5%, understanding cap (arm) can help you evaluate whether you're getting the best possible terms. Even small variations in loan terms translate to significant dollar amounts over 360 monthly payments.
Pro Tip
Before your loan closes, make sure you fully understand how cap (arm) works in your specific mortgage. Ask your loan officer to walk through it — they're required to explain every term on your Closing Disclosure.