Search Dictionary
Adjustable Rate Mortgage ARM
The Adjustable Rate Mortgage (ARM) (mostly in the United States) is also known as a variable-rate mortgage (mostly outside of the United States) or tracker mortgage.
This is a mortgage loan where the interest rate periodically adjusted based on an index. The most common indices used for the ARM are:
This is a mortgage loan where the interest rate periodically adjusted based on an index. The most common indices used for the ARM are:
- 1-year constant-maturity Treasury (CMT) securities
- The Cost of Funds Index (COFI)
- London Interbank Offered Rate (LIBOR)
Do you have a trading or investing definition for our dictionary? Click the Create Definition link to add your own definition. You will earn 25 bonus reputation points for each definition that is accepted.
Is this definition wrong? Let us know by posting to the forum and we will correct it.

