An adjustable rate mortgage is a mortgage that has a rate that can be raised or lowered according to the index. This mean that with the interest rates up so does your mortgage payment. However, if the interest rates go down, your payment will decrease.

It is important that an adjustable rate mortgage is not confused with a graduated payment mortgage. The difference between the two is that with a graduated payment mortgage, the interest rate is fixed and the payment amount changes.

When you have an adjustable rate mortgage, there is very little risk as far as the interest rate is concerned for the lender. For the borrower, and adjustable rate mortgage is very beneficial because the as the interest rates fall, so does your payments. There are fixed rate loans, however, the application process is lengthy and they are often difficult to obtain.

When you decide to apply for a mortgage, you should understand that there is specific terminology. It would benefit you to know what it is.

An index is what lender use to track interest changes. An index is linked to adjustable rate mortgages.

The part of the interest rate that the lender profits from is called the margin. The margin is added to the interest rate and the result is the total amount of the interest rate. Lenders have the advantage because even though the index will increase and decrease through out the life of the loan, the margin will stay the same.

An Adjustment period is the period between interest rate adjustments, usually is done in the format of 1-1. The first number is the life of the loan for which the interest rate will remain the same. The second number is the adjustment period. It shows the frequency at which the interest rate can be adjusted.

One of the most important things to take into consideration when you choose an adjustable rate mortgage is the index. Although you have no control over the index, you can choose a lender according to the index and choose the appropriate loan.

When you are choosing a loan, you can ask the lender about the past performance of the loan. You want to choose a loan that has an index that has remained stable. You also need to take into consideration the lenders margin rate when you are choosing a lender.

One of the many benefits to an adjustable rate mortgage is that in many instances, the rate will decrease and your payment will go down. Many homeowners feel this is the best option for them when they plan on selling the house or expect their income to increase.

A major factor that you need to look out for when you choose an adjustable rate mortgage is negative amortization. This happens when certain types of loans have been capped. When this happens, you are prevented from paying off the interest causing it to be added to the loan. This in turn causes your payment to increase. Make sure that your adjustable rate loan does not have a cap. If you are not sure, ask the lender.