Mortgage Calculators Used to Evaluate Different Adjustable Rate Mortgages

Adjustable rate mortgages are popular mortgage products to help consumers on a tight budget.  These loans are generally used more by fist time home buyers and when mortgage rates are historically high.  Adjustable rate mortgages offer low, teaser rates during an introductory period, which usually lasts between one to three years but may be shorter or longer depending o the type of adjustable rate mortgage.   When this introductory period ends, the mortgage rate may adjust upward, based on the current interest rates and the terms set in the loan agreement. 

Mortgage payment calculators are useful tools for working out the differences in the various adjustable rate mortgages available in the mortgage market.  Not all adjustable rate mortgages are the same.  One year treasury adjustable rate mortgages are very different from the now notorious pay option ARMs. 

The conditions established in the mortgage agreement on an adjustable rate mortgage will establish when the interest rate on an adjustable rate mortgage loan is reset, the index used to determine the rate and the margin that is added to this rate.  To calculate the new rate, the margin is added to the index rate.  The margin will not change but the index can.  The purpose of the mortgage calculator is to assess the diverse nature of the various adjustable rate mortgages to see the possible payment changes over time as the index changes as well as the differences between adjustable rate mortgage that are based on different indexes with different margins and rate caps.

To use a mortgage payment calculator for adjustable rate mortgages, the user needs to know the start rate of the loan, how often that rate can adjust; the index the rate is based on, the margin that is added to that rate, the maximum rate cap per adjustment period and the maximum rate cap over the life of the loan. The mortgage calculator can then be used to compute the estimated payments and interest rate for an adjustable rate mortgage, when the rate increases by the maximum amount allowed at each interval until it reaches the rate cap.  This data alone is a great use of the mortgage payment calculator for analyzing an adjustable rate mortgage with the monthly mortgage payment and measuring the variability of the interest rates the monthly mortgage payment is based on.  However, an even greater value is to compare the features of different adjustable rate mortgages.

If a borrower is considering an adjustable rate mortgage in order to make the payment affordable, it may be wise to evaluate loans that have longer adjustment periods.  Some borrowers can consider the adjustable rate mortgage that has three or five year adjustment period especially if they intend to move or sell the home before the first adjustment.  Borrowers who want to buy as much house as they can select the option ARM.  These adjustable rate mortgages can adjust after the first month and usually have high rate caps; however these loans have the lowest initial payment of any ARM which is combined with the greatest risk of future payment increases.

If you are selecting an adjustable rate mortgage in order to have an affordable payment, it would be prudent use the mortgage payment calculator to check possible rate scenarios and compare the terms and conditions of different adjustable rate loans.  Adjustable rate mortgages come with different interest, payment options, rate change parameters and lengths.  The mortgage calculator is the first defense against unwanted and unrealized harmful adjustable rate mortgages.

This entry was posted on Saturday, December 13th, 2008 at 1:17 pm and is filed under Mortgage Articles. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.