It has been hard to miss the veritable explosion in the housing market that has taken place over the last couple of years. It seems that just about everyone is interested in buy mortgage, whether it is a first starter home, an upgrade from an existing home or even an investment property. One of the factors fueling this growth in the housing market is the attractive adjustable rate mortgage that banks and broker mortgageare offering.

Before you sign on the dotted line, however, it is important to understand just what that adjustable rate mortgage promises, and also to understand the risks inherent in having a mortgage interest rate that fluctuates with general interest rates.

What should I look for when shopping for an adjustable rate mortgage ?

In many ways, shopping for an adjustable rate mortgage is similar to shopping for any type of mortgage loan. It is vital that the prospective home buyer be certain that he or she will be able to make those monthly mortgage payments, month in and month out, through good times and bad. An adjustable rate mortgage can add a level of uncertainty to the monthly mortgage payment. The key to an adjustable rate mortgage is its ability to fluctuate. It is this factor that separates it from the standard Fixed mortgage rate.

Obviously, when home mortgage ratea re steady or falling, an adjustable rate mortgageis a great deal. The interest rate on an adjustable rate mortgage is typically lower than that offered on a fixed rate loan, and thus the initial payments are lower as well. If interest rates fall further, the monthly mortgage payment can fall as well.

What about if interest rates rise?

It is in a rising interest rate environment that the adjustable rate mortgage can begin to lose some of its luster. Adjustable rate mortgages periodically adjust to reflect the current level of interest rates. The specific interest rate to which the mortgage is tied, and the frequency of the adjustment, will vary from mortgage to mortgage. Some adjustable rate mortgage will change only once a year, while others can change as often as every month. It is vital to understand what factors trigger a change in interest rates, and a change in the required monthly mortgage payment.

When interest rates do go up, the adjustable rate mortgage will rise as well, and with it your monthly mortgage payment. Most adjustable rate mortgage loans will have a cap above which the interest rate will not go, and it is important for the prospective borrower to run the numbers and calculate the monthly payment in the event the interest rate tops out. While it may be unlikely the interest rate will ever go this high, it is nevertheless important that the homeowner be prepared for this eventuality. If the monthly mortgage payment at the highest possible rate is out of reach, it may be best to keep shopping for a different type of mortgage.

The decision to opt for an adjustable rate mortgage is a personal one, and not one to be taken lightly. There are a number of factors to be considered, and it is important to be as well informed and well educated as possible before making this important financial decision.