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interest rate 利率
A rate which is charged or paid for the use of money. An
interest rate is often expressed as an
annual percentage of the
principal. It is calculated by dividing the
amount of interest by the amount of principal.
Interest rates often
change as a
result of
inflation and
Federal Reserve Board policies. For example, if a
lender (such as a
bank)
charges a
customer $90 in a year on a
loan of $1000, then the interest rate would be 90/1000 *100% = 9%. From a
consumer‘s perspective, the interest rate is expressed as
annual percentage yield (APY) when the interested is earned, for example, from a
savings account or a
certificate of deposit. When the interest is paid, for example, for
a credit card, a
mortgage, or a loan, the interest rate is expressed as
annual percentage rate (APR).
variable rate
base rate 基本利率
base interest rate
floating rate
Any interest rate that
changes on a
periodic basis. The change is usually tied to
movement of an
outside indicator, such as the
prime interest rate. Movement above or below certain
levels is often prevented by a predetermined
floor and
ceiling for a given rate. For example, you might see a rate set at "prime plus 2%". This
means that the rate on the
loan will always be 2% higher than the
prime rate, which changes regularly to
take into
account changes in the
inflation rate. For an individual taking out a loan when
rates are low, a
fixed rate loan would
allow him or her to "lock in" the low rates and not be concerned with fluctuations. On the other
hand, if
interest rates were historically
high at the time of the loan, he or she would
benefit from a floating rate loan, because as the prime rate fell to historically normal levels, the rate on the loan would
decrease.
also called adjustable rate.
fixed rate 固定利率
Floating interest rates
A floating rate is an interest rate that
will change over time in line with a benchmark rate.
A floating rate is usually fixed at a fixed
premium in percentage points (or basis points) above a market rate such as LIBOR, a
particular bank‘s declared base rate or a central bank‘s official base rate.
A wide variety of debt instruments pay
floating rates.
In contrast, fixed
income interest rates do not change over time. If a £100 bond pays 10% fixed
interest it will pay £10 every year.
A security that pays interest at a floating
rate will have lower interest rate risk than a similar security that
pays fixed interest. This is because the coupon
payments rise together with the discount
rate.
An interest
rate that is allowed to move up and down with the rest of the market or along
with an index. This contrasts with a fixed interest rate, in which the interest
rate of a debt obligation stays constant for the duration of the
agreement.
A floating interest rate can also be referred to as a variable
interest rate because it can vary over the duration of the debt
obligation.
Investopedia Says:
For example, residential mortgages can be obtained with a fixed interest
rate, which is static and can‘t change for the duration of the mortgage
agreement, or with a floating interest rate, which changes periodically
with the market. In the case of floating interest rates in mortgages, and most
other floating rate agreements, the prime lending rate is used as a basis
for the floating rate, with the agreement stating that the interest rate charged
to the borrower is the prime interest rate plus a certain
spread.
Coupon Rate
A bond‘s coupon rate can be calculated by dividing the sum of the
security‘s annual coupon payments and dividing them by the bond‘s par value. For
example, a bond which was issued with a face value of $1000 that pays a $25
coupon semi-annually would have a coupon rate of 5%. All else held equal, bonds
with higher coupon rates are more desirable for investors than those with lower
coupon rates.
Coupon
The
interest rate stated on a bond when it‘s issued. The coupon is typically paid
semiannually.
This
is also referred to as the "coupon rate" or "coupon percent rate."
LIBOR
Prime rate
Rate
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原文地址：http://www.cnblogs.com/ECNB/p/4619201.html
