Adjustable-Rate Mortgage (ARM)
An adjustable-rate mortgage has an interest rate that resets periodically based on an index, margin, caps, and adjustment schedule.
Mortgage rate terms for ARMs, option ARMs, variable-rate mortgages, variable-rate loans, and adjustment dates.
Adjustable-Rate Mortgages and Options covers mortgage rates, ARMs, hybrid ARMs, rate caps, indexes, buydowns, discount mortgages, locks, float-downs, and rate-sheet terms.
Use these pages when rate structure or lock mechanics change borrower cost, payment volatility, prepayment behavior, or investor yield. It sits inside Adjustable-Rate and Hybrid Mortgages, so readers can move up when the broader property-finance context matters.
Use the table below to choose the narrower mortgage or real-estate finance branch before applying a term to a loan file, closing record, servicing review, investor report, appraisal, or valuation model. Move into the term page when the document, calculation, party role, lien position, or property cash flow matters.
| Area | Use it for |
|---|---|
| Adjustable-Rate Mortgage (ARM) | An adjustable-rate mortgage has an interest rate that resets periodically based on an index, margin, caps, and adjustment schedule. |
| Option ARM | An option ARM offers payment choices that may include minimum payments, interest-only payments, and negative-amortization risk. |
| Payment Adjustment Date | The Payment Adjustment Date is the specific day when the interest rate on an Adjustable-Rate Mortgage (ARM) can be adjusted, impacting the monthly mortgage payments. |
| Variable-Rate Loan | A variable-rate loan has an interest rate that changes over time with a benchmark, lender formula, or contract reset rule. |
| Variable Rate Mortgage | Mortgage whose interest rate changes over time based on an index, benchmark, or lender-set variable rate. |
Mortgage-rate content is educational and does not provide rate forecasts, borrowing advice, refinancing advice, or investment recommendations.
Choose a subsection first. Deeper term pages live inside each subsection, which keeps large topic hubs readable.
An adjustable-rate mortgage has an interest rate that resets periodically based on an index, margin, caps, and adjustment schedule.
An option ARM offers payment choices that may include minimum payments, interest-only payments, and negative-amortization risk.
The Payment Adjustment Date is the specific day when the interest rate on an Adjustable-Rate Mortgage (ARM) can be adjusted, impacting the monthly mortgage payments.
Mortgage whose interest rate changes over time based on an index, benchmark, or lender-set variable rate.
A variable-rate loan has an interest rate that changes over time with a benchmark, lender formula, or contract reset rule.