- Variable-rate mortgage
A variable rate mortgage or floating rate mortgage is a
mortgage loanwhere the interest ratevaries to reflect market conditions.
The interest rate will normally vary with changes to the base rate of the
central bankand reflects changing costs on the credit markets. This method of variation directly linked to underlying costs benefits lenders by ensuring a profit by passing the interest rate risk to the borrower. The borrower benefits from reduced margins to the underlying cost of borrowing compared to fixed or capped rate mortgages where the lender must hedge against potential interest rate changes where the borrower benefits if the interest rate falls and loses out if interest rates rise.
The loan may be offered at the lender's standard variable rate/
base rate. There may be a direct and legally defined link to the underlying index but where the lender offers no specific link to the underlying market of index they can choose to increase or decrease at their discretion.
In many countries variable rate mortgages are the standard method of lending and are simply be referred to as mortgages. In the US they are referred to as
adjustable rate mortgages.
The underlying index varies in different countries.
In the UK it's typically the
Bank of EnglandRepo rate or LIBOR.
In Western Europe, the index may be the TIBOR or Euro Interbank Offered Rate (EURIBOR).
Six common indices in the
* 11th District
Cost of Funds Index(COFI)
* London Interbank Offered Rate (LIBOR)
* 12-month Treasury Average Index (MTA)
* Constant Maturity Treasury (CMT)
* National Average Contract Mortgage Rate
* Bank Bill Swap Rate (BBSW)
In some countries, banks may publish a
prime lending ratewhich is used as the index. The index may be applied in one of three ways: directly, on a rate plus margin basis, or based on index movement.
A directly applied index means that the interest rate changes exactly with the index. In other words, the interest rate on the note exactly equals the index. Of the above indices, only the contract rate index is applied directly.Wiedemer, John P, "Real Estate Finance, 8th Edition", p 99-105]
To apply an index on a rate plus margin basis means that the interest rate will equal the underlying index plus a margin. The margin is specified in the note and remains fixed over the life of the loan. For example, a mortgage interest rate may be specified in the note as being LIBOR plus 2%, 2% being the margin and LIBOR being the index.
The final way to apply an index is on a movement basis. In this scheme, the mortgage is originated at an agreed upon rate, then adjusted based on the movement of the index. Unlike direct or index plus margin mortgages, the initial rate is not explicitly tied to any index; the "adjustments" are tied to an index.
Any mortgage where payments made by the borrower may increase over time brings with it the risk of financial hardship to the borrower. To limit this risk, some lenders may offer a "rate cap" to limit the maximum interest rate chargeable or other limitations to the frequency of rate changes or magnitude of changes in a given period.
Some markets will apply these changes on the basis that part of the interest rate risk is assumed by the lender, alternatively the lender may allow
negative amortization/ capitalisationof the interest not met through repayments.
Variable rate mortgages are the most common form of loan for house purchase in the
United Kingdomand Canadabut are unpopular in some other countries. Variable rate mortgages are very common in Australiaand New Zealand. In some countries, true fixed-rate mortgages are not available except for shorter-term loans; in Canada & UK, the longest term for which a mortgage rate can be fixed is typically no more than ten years, while mortgage maturities are commonly 25 years.
In many countries, it is not feasible for banks to borrow at fixed rates for very long terms. In these cases, the only feasible type of mortgage for banks to offer may be adjustable rate mortgages (barring some form of government intervention).
For those who plan to move within a relatively short period of time (three to seven years), they are attractive because they often include a lower, fixed rate of interest for the first three, five, or seven years of the loan, after which the interest rate fluctuates.
Variable rate mortgages are typically, but not always, less expensive than fixed-rate mortgages. Due to the inherent
interest rate risk, long-term fixed rates will tend to be higher than short-term rates (which are the basis for variable-rate loans and mortgages). The difference in interest rates between short and long-term loans is known as the yield curve, which generally slopes upward (longer terms are more expensive). The opposite circumstance is known as an inverted yield curveand is relatively infrequent.
The fact that a variable rate mortgage has a lower starting interest rate does not indicate what the future cost of borrowing will be (when rates change). If rates rise, the cost will be higher; if rates go down, the rate will be lower. In effect, the borrower has agreed to take the
interest rate risk. Some studies [ [http://www.ifid.ca/pdf_workingpapers/WP2001A.pdf www.ifid.ca] ] have shown that "on average", the majority of borrowers with variable rate mortgages save money in the long term; but they have also demonstrated that some borrowers pay more. The price of potentially saving money, in other words, is balanced by the risk of potentially higher costs.
Variable rate mortgages, like other types of mortgage, may offer the ability to repay the capital early without penalty. Early payments of part of the capital will reduce the total cost of the loan (total interest paid), and will shorten the amount of time needed to pay off the loan.
* [http://www.federalreserve.gov/pubs/arms/arms_english.htm U.S. Federal Reserve Consumer Handbook on Adjustable Rate Mortgages]
* [http://www.hsh.com/idxhst.html US historical ARM index rates]
* [http://www.hsh.com/mtghst.html US historical mortgage rates, 1982 - present]
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Look at other dictionaries:
variable rate mortgage — UK US noun [C] (also adjustable rate mortgage) FINANCE, PROPERTY ► a loan for buying a house on which the interest rate can change over time: »One building society is currently offering a five year variable rate mortgage, capped at 5.75% … Financial and business terms
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variable rate mortgage — n. a mortgage involving a loan with a variable interest rate over the period of the loan … English World dictionary
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variable rate mortgage — noun Date: 1975 adjustable rate mortgage … New Collegiate Dictionary
variable rate mortgage — mortgage with a interest rate that can be changed during the term of the loan … English contemporary dictionary
variable-rate mortgage — A mortgage in which the rate of interest is varied from time to time by the mortgagee (lender) according to market conditions … Big dictionary of business and management
variable-rate mortgage — See mortgage … Black's law dictionary