How to use the straight-line method Calculating bond premium amortization using the straight-line method couldn’t be simpler. First, calculate the bond premium by subtracting the face value of the bond from what you paid for it. Then, figure out how many months are left before the bond matures and divide the bond premium by the number of months remaining.

## What Method Is Preferred for Amortizing a Bond?

The preferred method for amortizing the bond discount is the effective interest rate method or the effective interest method. Under the effective interest rate method the amount of interest expense in a given accounting how to calculate premium amortization period will correlate with the amount of a bond’s book value at the beginning of the accounting period. This means that as a bond’s book value increases, the amount of interest expense will increase.

## Amortizable Bond Premium

- The bond has a matching sinking fund provision for which monies are invested at 4.5%.
- This can help optimize bond portfolios, minimize tax liabilities, and achieve better overall returns.
- A loan that is self-amortizing will be fully paid off when you make the last periodic payment.
- For example, a four-year car loan would have 48 payments (four years × 12 months).
- This means that the corporation will be required to make semiannual interest payments of $4,500 ($100,000 x 9% x 6/12).

Proper recordkeeping and understanding the reporting requirements are essential to ensure compliance with tax laws. The yield to maturity is the total return an investor can expect if they hold the bond until it matures. When a bond is purchased at a premium, the YTM will be lower than the coupon rate, as the investor has paid more for the bond than they will receive back at maturity.

## Step 3 of 3

- And you save less if you pay off the loan early, since your interest payments are frontloaded.
- Your final monthly payment after 30 years will have less than $2 going toward interest, with the remainder paying off the last of your principal balance.
- The bond amortization calculator calculates the bond issue price, which is a function of both the bond rate and the market rate.
- The systematic allocation of the discount, premium, or issue costs of a bond to expense over the life of the bond.
- Let’s assume that just prior to selling the bond on January 1, the market interest rate for this bond drops to 8%.

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## Straight-Line Amortization of Bond Premium on Monthly Financial Statements

This section introduces how to spread the capital gain or capital loss on a bond across different time periods. Therefore, it sticks to premium amortization tables and discount accrual tables where the bond is purchased on its interest payment date. If the bond is purchased on some other date, this adds complications that are better left for more in-depth texts. A higher percentage of the flat monthly payment goes toward interest early in the loan, but with each subsequent payment, a greater percentage of it goes toward the loan’s principal.

## How Can Using an Amortization Calculator Help Me?

Although some bonds pay no interest and generate income only at maturity, most offer a set annual rate of return, called the coupon rate. The coupon rate is the amount of interest generated by the bond each year, expressed as a percentage of the bond’s par value. As mentioned earlier, if market interest rates fall, any given bond with a fixed coupon rate will appear more attractive, and it will result in the bond trading at a premium. So, if a bond comes with a face value of $1,000, and is trading at $1,080, it offers an $80 premium.

## Double Entry Bookkeeping

- Below, you’ll learn more about bond premium amortization and one method of calculating it known as the straight-line method.
- Under the effective interest method, the semiannual interest expense is $6,508 in the first period and increases thereafter as the carrying value of the bond increases.
- The amortization of the premium on bonds payable is the systematic movement of the amount of premium received when the corporation issued the bonds.
- Alternatively, the bond’s carrying value on 1 July 2020 is equal to the unamortized discount of $6,516.
- When amortizing intangible assets, amortization is similar to depreciation, where a fixed percentage of an asset’s book value is reduced each month.
- For one thing, revenue isn’t the standard top-line metric, because there are so many moving pieces in how money is handled.

Then apply Formulas 9.1, 11.1, and 14.3 to determine the price of the bond on its interest payment date. Amortization can refer to the process of paying off debt over time in regular installments of interest and principal sufficient to repay the loan in full by its maturity date. The difference between the required cash interest payment of $6,000 in Column 3 ($100,000 x 6%) and the effective interest expense of $6,508 is the required discount amortization of $508 in Column 4.

The partial balance sheet from our article on bonds issued at a premium shows that the $100,000, 5-year, 12% bonds issued to yield 10% were issued at a price of $107,722, or at a premium of $7,722. Below is a comparison of the amount of interest expense reported under the effective interest rate method and the straight-line method. Note that under the effective interest rate method the interest expense for each year is increasing as the book value of the bond increases. Under the straight-line method the interest expense remains at a constant amount even though the book value of the bond is increasing.

By reducing the bond premium to $0, the bond’s book value will be decreasing from $104,100 on January 1, 2023 to $100,000 when the bonds mature on December 31, 2027. Reducing the bond premium in a logical and systematic manner is referred to as amortization. Note that under the effective interest rate method the interest expense for each year is decreasing as the book value of the bond decreases. Under the straight-line method the interest expense remains at a constant annual amount even though the book value of the bond is decreasing. The accounting profession prefers the effective interest rate method, but allows the straight-line method when the amount of bond premium is not significant. The bond amortization calculator calculates the bond issue price, which is a function of both the bond rate and the market rate.

- This type of calculator works for any loan with fixed monthly payments and a defined end date, whether it’s a student loan, auto loan, or fixed-rate mortgage.
- The bondholders are reimbursed for this accrued interest when they receive their first six months’ interest check.
- It may be worthwhile to borrow less or shorten the repayment term to keep more of your hard-earned money in your pocket.
- In either case, the actual effective interest rate differs from the stated rate.
- The schedule below shows how the premium is amortized under the effective interest method.

For older bonds issued before Sept. 27, 1985, the straight-line method is still an option. The updated bond cost basis is calculated by subtracting the annual bond premium amortization from the initial cost basis. This updated cost basis is then used to calculate the amortization for the following year. The constant yield method is the most commonly used method for calculating amortizable bond premiums. This method involves spreading the premium over the bond’s remaining life using an effective interest rate.