Adjustable Rate Mortgage

January 14, 2010 | posted in: Home Mortgage Refinance | by

An adjustable rate mortgage (ARM) is a mortgage loan where the interest rate on the note is periodically adjusted based on a variety of indices.[1] Among the most common indices are the rates on 1-year constant-maturity Treasury (CMT) securities, the Cost of Funds Index (COFI), and the London Interbank Offered Rate (LIBOR). A few lenders use their own cost of funds as an index, rather than using other indices. This is done to ensure a steady margin for the lender, whose own cost of funding will usually be related to the index. Consequently, payments made by the borrower may change over time with the changing interest rate (alternatively, the term of the loan may change). This is not to be confused with the graduated payment mortgage, which offers changing payment amounts but a fixed interest rate. Other forms of mortgage loan include the interest only mortgage, the fixed rate mortgage, the negative amortization mortgage, and the balloon payment mortgage. Adjustable rates transfer part of the interest rate risk from the lender to the borrower. They can be used where unpredictable interest rates make fixed rate loans difficult to obtain. The borrower benefits if the interest rate falls and loses out if interest rates rise.

Adjustable rate mortgages are characterized by their index and limitations on charges (caps). In many countries, adjustable rate mortgages are the norm, and in such places, may simply be referred to as mortgages.

The adjustable rate mortgage (also written ARM) is, in some more details,  a mortgage home loan where the interest rate on the note is periodically adjusted based on a variety of indices.Among the most common indices are these 3:

  1. the interest rates on 1 year constant maturity Treasury (CMT) securities,
  2. the Cost of Funds Index (also called COFI),
  3. and the London Interbank Offered Rate (the famous LIBOR).

A few lenders use their own cost of funds as an index, rather than using other indices. This is done to ensure a steady margin for the lender, whose own cost of funding will usually be related to the index. Consequently, payments made by the borrower may change over time with the changing interest rate (alternatively, the term of the loan may change). This is not to be confused with the graduated payment mortgage, which offers changing payment amounts but a fixed interest rate. Other forms of mortgage loan include

  • the interest only mortgage,
  • the fixed rate mortgage,
  • the negative amortization mortgage,
  • and the balloon payment mortgage.

Adjustable Rate Mortgages (ARM)?

Adjustable Rate Mortgage? Another common type of home loan is the Adjustable Rate Mortgage (ARM). With this type of loan, the interest rate will fluctuate depending on the 6 different real estate indexes. The interest rate changes so the lender of the loan gets a proper margin. That’s due to the fact that the indexes influence the cost of funding that loan in the first place. Basically, your lender lets you take on a little bit of the interest risk instead of just the lender, like for instance in a fixed rate loan. This type of home loan can be great if the interest on your home loan consistently falls for a long time. You don’t have to worry that much about the interest rates  because even if they jump drastically, there are limits on how much your payments will increase.

As explained above, adjustable rate mortgages transfer in fact part of the interest rate risk from the lender to the borrower. They can be used where unpredictable interest rates make fixed rate loans difficult to obtain. The borrower benefits if the interest rate falls and loses out if interest rates rise.  In conclusion, adjustable rate mortgages are characterized by their index and limitations on charges (caps). Interestingly enough, in many countries, adjustable rate mortgages are the norm, and in such places, may simply be referred to as mortgages.

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