Adjustable Rate Mortgage


What is an Adjustable Rate Mortgage (ARM)?

An Adjustable Rate Mortgage, commonly referred to as an ARM, is a mortgage with an interest rate that may vary over the term of the loan — usually in response to changes in the Prime Rate,  Treasury Bill Rate or LIBOR Rate.


Why does the Interest Rate Change on an ARM?

The purpose of the interest rate adjustment is primarily to bring the interest rate on the mortgage in line with market rates.  Mortgage holders are protected by a ceiling, or maximum interest rate, which can be reset annually.  ARMs typically begin with more attractive rates than fixed rate mortgages — compensating the borrower for the risk of future interest rate fluctuations.


Why should I choose an ARM over a Fixed Loan?

Choosing an ARM is a good idea when:
●  Interest rates are going down.
●  You intend to keep your home less than 5 years.


What are features of an ARM?

ARMs have the following distinguishing features:

– An adjustable rate mortgage’s interest rate increases and decreases based on publicly published indexes. The most commonly used indexes for ARMS are:
●  United States Treasury Bills (T-Bills).
●  London Inter-Bank Offering Rate Index (LIBOR).
●  Bank Prime Loan (Prime Rate).

Margin – Is a fixed percentage amount that is added to the index – accounting for the profit the lender makes on the loan. Margins are fixed for the term of the loan.
interest rate = index + margin

Adjustment Frequency – Reflects how often the interest rate changes – also known as the reset date. Most ARMs adjust yearly, but some ARMs adjust as often as once a month or as infrequently as every five years.

Initial Interest Rate – Is the interest rate paid until the first reset date. The initial interest rate determines your initial monthly payment, which the lender may use to qualify you for a loan. Often the initial interest rate is less than the sum of the current index plus margin so your interest rate and monthly payment will probably go up on the first reset date.

Interest Rate Caps – Put limits on interest rates and monthly payments.
Initial adjustment caps, Periodic adjustment caps, and Lifetime caps make up an adjustable rate mortgage’s cap structure, and are usually represented as three numbers:
1/2/6 — Initial adjustment cap is 1 % / Periodic cap is 2% / Lifetime cap is 6%.
Common caps:
●  Initial Adjustment Cap – An initial adjustment cap limits how much the interest rate can change at the first adjustment period.
If your ARM has a 1% initial adjustment cap, your interest rate may only increase or decrease by a maximum of 1% at the first adjustment period.
●  Periodic Adjustment Cap – Limits how much your interest rate can change from one adjustment period to the next. Usually a six-month adjustable rate mortgage will have a one percent periodic adjustment cap while a one-year adjustable rate mortgage will have a two percent periodic adjustment cap.
If your loan has a 2% periodic adjustment cap, your interest rate may only increase or decrease by a maximum of 2% per adjustment period.
●  Lifetime Cap – Sets the maximum and minimum interest rate that you may be charged for the life of the loan. Most ARMs have caps of 5% or 6% above the initial interest rate.
If your loan has a 6% lifetime cap, your interest rate may only increase or decrease by a maximum of 6% for the life of the loan.


What is Negative Amortization?

Negatively Amortizing Loans provide payments caps instead of interest rate caps, they limit the amount the monthly payment can increase. However, there is a risk interest rates could potentially escalate to a point where the monthly payment would not cover the interest being charged. If this scenario were to occur, the extra interest charges would be added to the principle of the loan, resulting in the borrower owing more than was initially borrowed. Borrowers are usually allowed to make payments over the loan amount to pay down the mortgage and guard against this scenario.

There are certain times when having a negatively amortizing mortgage could be beneficial. If a borrower were to lose a job or have an unexpected financial emergency a negative amortization option could ease cash flow situation. However, this should only be used as a short-term solution.


What is an Option ARM loan?

Option ARM loans allow the borrower to choose the amount to pay toward the mortgage each month. Make a minimum payment, interest-only payment, 30-year amortized payment or 15-year amortized payment. Pay the minimum amount to free up funds for other uses, or make larger payments for faster equity build up. Option Arms offer much more cash flow flexibility but must be used wisely by the borrower. Always consult a qualified loan officer to learn about all of the risks associated with these types of loans. He or she will also be able to offer valuable advice on properly managing your monthly payments.


Could an ARM loan be the loan for You?

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