Bond Yield
Yield is a general term that relates to the return on the capital you invest
in a bond. You hear the word "yield" often with respect to bond investing.
There are, in fact, a number of types of yield. The terms are important to
understand because they are used to compare one bond with another to find
out which is the better investment.
Coupon yield is the annual interest rate established when the bond is issued
. It's the same as the coupon rate and is the amount of income you collect
on a bond, expressed as a percentage of your original investment. If you buy
a bond for $1,000 and receive $45 in annual interest payments, your coupon
yield is 4.5 percent. This amount is figured as a percentage of the bond's
par value and will not change during the lifespan of the bond.
Current yield is the bond's coupon yield divided by its market price. To
calculate the current yield for a bond with a coupon yield of 4.5 percent
trading at 103 ($1,030), divide 4.5 by 103 and multiply the total by 100.
You get a current yield of 4.37 percent.
Say you check the bond's price later and it's trading at 101 ($1,010). The
current yield has changed. Divide 4.5 by the new price, 101. Then multiply
the total by 100. You get a new current yield of 4.46 percent.
Note: Price and yield are inversely related. As the price of a bond goes up,
its yield goes down, and vice versa.
If you buy a new bond at par and hold it to maturity, your current yield
when the bond matures will be the same as the coupon yield.
Yield-to-Maturity (YTM) is the rate of return you receive if you hold a bond
to maturity and reinvest all the interest payments at the YTM rate. It is
calculated by taking into account the total amount of interest you will
receive over time, your purchase price (the amount of capital you invested),
the face amount (or amount you will be paid when the issuer redeems the
bond), the time between interest payments and the time remaining until the
bond matures.
Yield-to-Call (YTC) is figured the same way as YTM, except instead of
plugging in the number of months until a bond matures, you use a call date
and the bond's call price. This calculation takes into account the impact on
a bond's yield if it is called prior to maturity and should be performed
using the first date on which the issuer could call the bond.
Yield-to-Worst (YTW) is the lower of a bond's YTM and YTC. If you want to
know the most conservative potential return a bond can give you - and you
should know it for every callable security - then perform this comparison.
For more detailed information about investing in bonds and bond funds, visit
NASD's Smart Bond Investing Learning Center at www.nasd.com. In addition to
educational information, this resource provides real-time bond quotations
and tools such as an accrued interest rate calculator.