If you have an Adjustable Rate Mortgage, your ARM is tied to an index which governs changes in your loan’s interest rate and, thus, your payments. This page lists historic values of major ARM indexes used by mortgage lenders and servicers. Check the latest values of many of these indexes.
Index Rate Definition Adjustable Rate Mortage What is the difference between a fixed-rate and adjustable. – With an adjustable rate mortgage, the interest rate may go up or down. Many ARMs will start at a lower interest rate than fixed rate mortgages. This initial rate may stay the same for months, one year, or a few years.