Adjustable Rate Mortgage, ARM
Adjustable Rate Mortgage (ARM) Also known as a variable rate mortgage. The interest rate on these mortgages changes periodically. Variable or adjustable loans are loans whose interest rate fluctuates over the period of the ... more...

Margin
Margin The amount a lender adds to the index on an adjustable rate mortgage to establish the adjusted interest rate. Margin is constant throughout the life of the loan. INDEX + MARGIN = FULLY INDEXED RATE Example using the 1 Year Treasury: 1 Year Treasury Index = ... more...