Interest on Investments

Updated on January 3, 2024
Article byWallstreetmojo Team
Edited byAshish Kumar Srivastav
Reviewed byDheeraj Vaidya, CFA, FRM

What is Interest in Investments?

Interest on investments is the periodic receipt of inflows on financial instruments like bonds, government securities, or bank accounts. It may be income earned from the specified form of liquid assets. The pay-out can be monthly, quarterly, or annually. Therefore, it is essential to keep track of the receipt of interest income. Over time, new models of money lending are evolving, and the receipt of interest income is also modified accordingly.

Key Takeaways

  • Interest on investments refers to the periodic inflows receipt on financial instruments such as bonds, government securities, or bank accounts. It can be received monthly, quarterly, or annually.
  • The types of interest on investments are bonds like corporate bonds, secured bonds, bank accounts like saving accounts, current accounts, and government securities. 
  • IFRS 9 recognizes interest income depending on general or simplified and credit-adjusted approaches. 
  • Interest income is the secured approach to earning income from the financial instrument. 

Types of Interest on Investments

The following are the various type of interestType Of InterestFixed interest, variable interest, annual percentage rate, prime interest rate, discounted interest rate, simple interest, and compound interest are the most common types of more on an investment earned from different modes:

#1 – Interest from Bonds like Corporate Bonds, Secured Debentures, etc

Under this, the investor can get an interest in bonds like debenturesDebenturesDebentures refer to long-term debt instruments issued by a government or corporation to meet its financial requirements. In return, investors are compensated with an interest income for being a creditor to the more, corporate bondsCorporate BondsCorporate Bonds are fixed-income securities issued by companies that promise periodic fixed payments. These fixed payments are broken down into two parts: the coupon and the notional or face more, certificates of depositsCertificates Of DepositsA certificate of deposit (CD) is an investment instrument mostly issued by banks, requiring investors to lock in funds for a fixed term to earn high returns. CDs essentially require investors to set aside their savings and leave them untouched for a fixed more, etc., for the tenure of holding of respectiveFinancial instruments are certain contracts or documents that act as financial assets such as debentures and bonds, receivables, cash deposits, bank balances, swaps, cap, futures, shares, bills of exchange, forwards, FRA or forward rate agreement, etc. to one organization and as a liability to another organization and are solely taken into use for trading more financial instruments.Financial InstrumentsFinancial instruments are certain contracts or documents that act as financial assets such as debentures and bonds, receivables, cash deposits, bank balances, swaps, cap, futures, shares, bills of exchange, forwards, FRA or forward rate agreement, etc. to one organization and as a liability to another organization and are solely taken into use for trading more

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#2 – Bank Account like Saving Account, Current Account, etc

Under this, the account holder may get a simple and compounding interestCompounding InterestCompound interest is the interest charged on the sum of the principal amount and the total interest amassed on it so far. It plays a crucial role in generating higher rewards from an more on the balance in the bank account depending on the days of credits available in the bank account.

#3 – Government Securities

Under this, an investor invests in securities issued by various government departments and gilt bonds. Like a corporate bond, investors may get interested based on the financial instrument’s tenure.


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For eg:
Source: Interest on Investments (


Interest Income = P * R * N


  • P= Principal
  • R= Rate of interest
  • N= Period

It is the formula for simple interest. Normally, the bondsBondsBonds refer to the debt instruments issued by governments or corporations to acquire investors’ funds for a certain more and deposits with a regular pay-out market use the above procedure. However, the concept of compoundingCompoundingCompounding is a method of investing in which the income generated by an investment is reinvested, and the new principal amount is increased by the amount of income reinvested. Depending on the time period of deposit, interest is added to the principal more is applied in bank deposits where the regular pay-out is unavailable. In simple interestSimple InterestSimple interest (SI) refers to the percentage of interest charged or yielded on the principal sum for a specific more, interest is paid periodically, and the principal is repaid.

However, periodic interest is reinvested in compounding and repaid the principal’s cumulative interest at the end of tenure. At the end of the tenure, one may repay cumulative interest and the principal. Compounding is generally seen in mutual fundsMutual FundsA mutual fund is a professionally managed investment product in which a pool of money from a group of investors is invested across assets such as equities, bonds, etcread more, where systematic investment plansSystematic Investment PlansA Systematic Investment Plan (SIP) is an instrument that aids in making regular investments. It is more pronounced in the equity mutual fund more are kept on investment, and the return on the same is accrued and reinvested.

Interest in Investments Examples

Below given are the examples: –

You can download this Interest on Investments Excel Template here – Interest on Investments Excel Template

Example #1

ABC Ltd. invested $10,000 in the bonds of the Fed for five years. The rate of interest in the bond is 5%.

You are requested to calculate:

  1. Interest income earned by ABC Ltd.
  2. The total amount that ABC Ltd. will receive post-maturity of the bond. You are requested to calculate:


  • P= $10,000
  • R= 5%
  • N= 5 years
Interest on Investment - Example 1-3

Calculation of interest earnings:

Interest on Investment - Example 1

= $10,000 * 5% rate of interest * 5 years

Interest-earning will be –

Interest on Investment - Example 1-1
  • Interest-earning = $2,500

Amount = Principal + Interest

Interest on Investment - Example 1-2
  • Total amount = $12,500

Thus, ABC Ltd. earns an interest of $2,500 with bond investment and receives $12,500 post-bond maturity.

Example #2

Mr. Jackman invested $8,000 in bank deposits for 40 days with Deutsche Bank. The rate of interest on the deposit is 10%. Accordingly, you are requested to calculate the interest income for Mr. Jackman.


  • P= $8,000
  • R = 10%
  • N = 40 days
Example 2

Calculation of interest-earning:

Example 2-1

= $8,000 * 10% * 40 days / 365 days

Interest-earning will be –

Example 2-2
  • Interest-earning = $87.67

Thus, Mr. Jackman will earn $87.67 as interest from the investment in the deposit.



  • Low-interest rate – Compared to other investment alternatives, interest-bearing securities give the least return because the rate is fixed and does not increase with time and the inflation effect.
  • Charges/ fees – Often, charges/fees are auto-deducted from the account in financial charges. It gives a negative return to investors.

IFRS Requirement to Recognize Interest Income

IFRSIFRSIFRS or International Financial Reporting Standards refers to a globally-accepted set of accounting and financial reporting guidelines for preparing and presenting financial statements. It ensures uniformity in accounting practice that makes financial records comparable across different reporting entities worldwide. Over the years, it has emerged as the new world standard in more 9 will recognize interest income based on general or simplified and credit-adjusted approaches.

A detailed description is given below:

General or Simplified Approach

DescriptionsNo evidence of impairment existsEvidence of impairment existsCredit adjusted approach
Interest income is calculated based onThe carrying the value of the assets at the beginning of the period.The carrying value of the assets at the beginning of the period is adjusted with credit risk.The carrying value of the assets at the beginning of the period is adjusted with credit risk.
The rate of interest is applied based onThe effective rate of interest.The effective rate of interest.The effective rate of interest is adjusted with credit risk.

The effective interest rateEffective Interest RateEffective Interest Rate, also called Annual Equivalent Rate, is the actual rate of interest that a person pays or earns on a financial instrument by considering the compounding interest over a given more is the rate that discounts all expected future cash outflows/inflows from the financial instrument at the asset’s amortized cost preceding any allowance for expected credit losses.


Interest income is a safe way of earning income from the financial instrument. Moreover, it has the power to give enduring income at a fixed rate without any stoppage. With time, innumerable innovative models of investment have come. These provide the support of income with the effect of inflation.

Interest is a good and secure source of income for corporations, even though the interest rate is not so high.

Frequently Asked Questions (FAQs)

Where interest on investment in trial balance comes?

Interest on investment on trial balance comes on the credit side as it is an income received. Interest costs may be an asset or a problem. Interest that has already been paid is recorded as current debt, whereas interest that hasn’t been paid yet is.

What is interest accrued on investment?

Interest accrued on investment is an interest that the investment earns, yet one still needs to collect.

What are the methods of calculating interest on investments? 

The interest on investments can be calculated in two ways: simple interest and compound interest. The calculation of simple interest is made on the principal amount. The compound interest is calculated on the principal amount and the previous period’s accumulated interest.

What is prepaid interest on investments?

The prepaid interest on investments refers to the interest paid by a borrower on a loan before the first schedule of debt repayment.

This article has been a guide to What Interest in Investments is. Here, we discuss the formula to calculate interest on investment with examples, the top 3 types, and advantages and disadvantages. You can learn more about it from the following articles: –

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