Elaborate the Difference Between Coupon and Yield to Maturity


Triston Martin

Oct 11, 2023


The annual interest amount that is paid to the bondholder by the bond issuer, beginning on the date the bond is issued and continuing until the bond's maturity, is referred to as the "coupon payment" on the bond. The coupon rate, determined by dividing the total coupon value by the face value, is the standard unit of measurement for coupons. There are two ways that coupon holders can cash in their rewards: semi-annually or annually based on a percentage.

We also talk about things like the "coupon rate," the "coupon percent rate," and the "nominal yield" while discussing coupons. The term "yield to maturity" refers to the total return an investor will receive if they purchase a bond and continue to hold onto it until it matures. A long-term bond yield is referred to as a yield to maturity, expressed in terms of an annual rate. To put it another way, the internal rate of return is calculated assuming that the investor will keep the bonds until maturity, make all payments as they are due, and simultaneously reinvest the money at the same rate.

Coupon Rate

The interest rates that the government establishes have a significant impact on the coupon rates. If the government decides to raise the minimum interest rate to 6%, any previously issued bonds with lower than 6% coupon rates will lose value. Anyone who wishes to sell pre-existing bonds is required to lower the price at which they are offered on the market to compensate investors for the reduced coupon payments offered by the bonds compared to newly issued bonds.

When you buy a bond at a premium, you pay more than the bond's face value. A bond can be purchased at a discount if the buyer agrees to pay less than the bond's face value. The amount that must be paid with a coupon is unaffected by the total cost of the purchase. Checking the yield to maturity on a bond is the best way to get a comprehensive understanding of the rate of return on that bond.

Yield Rate

There are several different ways to calculate the yield on a bond. When calculating the current yield, the coupon rate and the current market price of the bond are both taken into consideration. 2 If a bond with a face value of $1,000 and a coupon rate of 6% sells for the face value of $1,000, then the current yield is also 6%. However, because the price of bonds on the market is subject to change, it is possible to purchase this bond at a price that is either higher or lower than $1,000. If this same bond were purchased for $800, the current yield would be 7.5%. This is because the annual coupon payments of $60 would constitute a higher proportion of the total price.

Things To Take Into Account When Calculating Yield to Maturity

If you intend to buy a bond that has just been issued and keep it until it matures, you only need to focus on the coupon rate. If, on the other hand, you were able to purchase the bond at a discount, the yield to maturity on the bond will be more than the coupon rate.

Yield to Maturity (YTM)

An estimated rate of return is denoted by the yield to maturity (YTM) yield. It is predicated on the idea that the bond purchaser will keep it in their possession until the date of maturity and will reinvest each interest payment at the same interest rate. Therefore, the coupon rate is included in the computation while calculating yield to maturity. YTM is an acronym that can alternatively be written as the redemption yield.

YTM and Market Value

The yield of a bond is the effective rate of return based on the real market value of the bond, and it can be stated as a percentage. When a bond is first issued, the coupon rate and the yield are often equal. However, this is not always the case. However, shifts in interest rates may generate fluctuations in the bond's market value since buyers and sellers will evaluate whether the yield is more or less appealing based on the current interest rate environment. In this sense, the bond yield and trice have an inverse relationship and move in the opposite direction. Consequently, the bond's yield to maturity will experience some degree of volatility. In contrast, the coupon rate of an already existing bond will continue to be the same.


When investing, you should always try to know the investment, return, and interest value as much as possible. In the long run, any inconsistency will be detrimental to your success. For this reason, it is also argued that investing in mutual funds, stocks, and premium bonds is dangerous and should be considered thoroughly before being undertaken. The phrases above are connected to the many different types of investments. Because most people choose to put their money into stocks and bonds that offer higher coupon interest rates, calculating the coupon rate allows us to determine which stocks and bonds offer the best potential return on investment for the future. Investors that purchase bonds on the secondary market (also known as the yield-to-maturity market) are eligible for interest payments that carry a greater rate of return.


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