Annual Percentage Yield

Discover how Annual Percentage Yield (APY) works, how it’s calculated, and how it affects your savings and investment growth.
Home Loan
2 min
05 April 2025
Are you puzzled by financial terms like annual percentage yield? Do you want to know how it affects your savings and investments? Annual percentage yield (APY) is a key factor that determines how much your money grows over time. Unlike simple interest rates, APY shows the real growth of your money by including the power of compounding.

In India, where financial literacy is growing, understanding APY helps you make better choices for your savings accounts, fixed deposits, and other investments. Annual percentage yield matters because it gives you the complete picture of your returns, not just the basic interest rate advertised.

This article will explain annual percentage yield in simple terms, show you how to calculate it, and help you use this knowledge to make smarter financial decisions. We'll also look at how APY applies to various investment options in India, including how it relates to home loan decisions.

Understanding annual percentage yield (APY)

Annual percentage yield is the actual rate of return you earn on your money over a year, taking into account compound interest. When a bank or financial institution pays interest not just on your initial deposit but also on previously earned interest, that's compounding. APY captures this compounding effect in a single percentage.

Think of annual percentage yield as the true growth rate of your money. For example, if you put Rs. 10,000 in a savings account with a 5% APY, you'll have Rs. 10,500 after one year. The annual percentage yield makes it easier to compare different financial products with different compounding periods.

Many banks advertise their interest rates but not their annual percentage yield. This can be misleading since two accounts with the same interest rate might have different APYs based on how often interest compounds.

How to calculate APY: Formula and examples

The formula for calculating annual percentage yield is:

APY = (1 + r/n)^n - 1

Where:

  • r = annual interest rate (as a decimal)
  • n = number of compounding periods per year
Let's see this in action with an example. If a savings account offers 5% interest compounded monthly:

APY = (1 + 0.05/12)^12 - 1 APY = (1 + 0.00417)^12 - 1 APY = 1.05116 - 1 APY = 0.05116 or about 5.12%

This means your money grows at 5.12% per year, slightly higher than the stated 5% rate.

APY vs. APR: Key differences explained

FeatureAnnual percentage yield (APY)Annual Percentage Rate (APR)
DefinitionActual annual return including compoundingAnnual cost of borrowing without compounding
Used forSavings, deposits, investmentsLoans, credit cards, mortgages
CompoundingIncludes compounding effectsDoes not include compounding
Higher or lowerGenerally higher than stated rateGenerally lower than effective rate
Preferred forComparing savings productsComparing loan products


Understanding these differences helps when comparing financial products. For savings, higher APY means better returns. For loans, lower APR means lower costs. Want to check your eligibility for home loans with competitive rates? You may already be eligible, find out by entering your mobile number and OTP.

The Impact of compounding frequency on APY

The frequency of compounding has a major impact on your annual percentage yield. The more often interest compounds, the higher your APY will be, even with the same stated interest rate.

For example, if you have a 5% interest rate:

  • Annual compounding: 5.00% APY
  • Quarterly compounding: 5.09% APY
  • Monthly compounding: 5.12% APY
  • Daily compounding: 5.13% APY
This difference might seem small, but with larger sums and longer time periods, it adds up. That's why many banks now offer daily compounding on savings accounts to attract customers.

When reviewing investment options, always ask about the compounding frequency to better understand the annual percentage yield you'll actually receive.

Fixed vs. variable APY: what you need to know

There are two main types of APY structures you should know about:

  • Fixed APY:
  • Remains constant throughout the investment period
  • Offers predictable returns regardless of market conditions
  • Typically found in fixed deposits and some savings accounts
  • Provides stability and easy financial planning
  • Variable APY:
  • Changes based on market conditions or policy decisions
  • May increase or decrease over time
  • Common in high-yield savings accounts and market-linked products
  • Offers potential for higher returns but with added risk
  • Promotional APY:
  • Starts high but drops to standard rates after an introductory period
  • Requires careful attention to terms and conditions
  • May have minimum balance requirements to maintain
  • Tiered APY:
  • Offers different rates based on your balance amount
  • Encourages larger deposits for better returns
  • Requires understanding threshold amounts for each tier
Consider your financial goals when choosing between these options. If you prefer certainty, fixed APY products might be best. Check your eligibility for various investment options tailored to your needs. You may already be eligible for special rates by entering your mobile number and OTP.

APY in India: Comparing popular investment options

Investment typeTypical APY rangeRisk levelLiquidityMin. investment
Savings Accounts2.5% - 4.0%Very LowVery HighRs. 0 - Rs. 5,000
Fixed Deposits5.0% - 7.5%LowMediumRs. 1,000
Recurring Deposits5.0% - 7.0%LowLowRs. 500 monthly
Public Provident Fund7.1%Very LowVery LowRs. 500 yearly
National Savings Certificate6.8%Very LowLowRs. 1,000
Corporate Bonds7.0% - 9.0%MediumMediumRs. 10,000
Mutual Funds (Debt)6.0% - 8.0%MediumHighRs. 500


This table helps you compare annual percentage yield across different investment options in India. Remember that higher APY often comes with higher risk or lower liquidity.

How to maximise returns with high APY investments

Follow these strategies to get the most from your annual percentage yield:

  • Compare across institutions:
  • Banks and financial institutions offer different APYs for similar products
  • Online banks often provide higher rates than traditional banks
  • Even small APY differences compound significantly over time
  • Consider compounding frequency:
  • Choose options with more frequent compounding when possible
  • Daily compounding provides the highest effective annual percentage yield
  • Ask specifically about compounding schedules when opening accounts
  • Watch for minimum balance requirements:
  • Some high-APY accounts require maintaining minimum balances
  • Falling below these minimums might result in lower rates or fees
  • Ensure you can consistently meet these requirements
  • Look beyond traditional savings:
  • Consider certificates of deposit for higher APYs with fixed terms
  • Money market accounts often offer better annual percentage yield than regular savings
  • Debt mutual funds can provide tax-efficient returns with good APYs
Understanding annual percentage yield can help you make smarter home financing decisions too. Want to check your loan eligibility with Bajaj Finserv? You may already be eligible for attractive rates by entering your mobile number and OTP.

How to apply for Bajaj Housing Finance Home Loan

Applying for a Bajaj Housing Finance Home Loan is simple and convenient:

  • Click on the "APPLY" button
  • Enter your basic details including name, mobile number, and employment type
  • Select your preferred home loan type (fresh loan, balance transfer, or top-up)
  • Verify your phone number with an OTP
  • Provide additional information about your income and loan requirements
  • Submit your application and wait for a call from a Bajaj Finserv representative, who will guide you through next steps.
Bajaj Finserv offers home loans with interest rates starting from 7.99%*  p.a., and you can get loans up to Rs. 15 crore*based on your eligibility. The application process is hassle-free with doorstep document collection services.

Eligibility criteria to get home loan from Bajaj Finserv

To qualify for a Bajaj Housing Finance Home Loan, you need to meet these requirements:

  • Age:
  • Salaried applicants: 23-67 years
  • Self-employed professionals: 23-70 years
  • Age at loan maturity is considered for the upper limit
  • Nationality:
  • Must be an Indian citizen residing in India
  • NRI options may be available with additional documentation
  • Credit score:
  • CIBIL Score of 725 or higher is ideal
  • Higher scores may qualify for better home loan interest rates
  • Occupation:
  • Eligible if you are a salaried employee
  • Professional individuals like doctors, lawyers, etc.
  • Self-employed individuals with established businesses
The documents required for home loan processing include identity proof, address proof, income documents, and property papers. For salaried employees, recent salary slips and bank statements are needed, while self-employed applicants must provide business proof and financial statements.

Making smart financial choices

Understanding annual percentage yield empowers you to make better decisions for both savings and borrowing. When it comes to home loans, comparing effective interest rates helps you find the most affordable option. Bajaj Housing Finance Home Loans stand out with competitive interest rates and flexible repayment options.

Their home loan features include:

  • Loan amounts up to Rs. 15 crore*to suit various property values
  • Flexible repayment tenure extending up to 32 years
  • No foreclosure fee for individual borrowers with floating interest rates
  • Approval within 48 hours* of application submission
  • Balance transfer facility with additional top-up loan options
  • 5000+ approved projects for quicker processing
The home loan top-up facility allows you to borrow additional funds for renovation, education, medical emergencies, or other needs. With interest rates starting at 7.99%*  p.a., Bajaj Finserv offers some of the most competitive home loan products in the market.

Ready to take the next step toward owning your dream home? Check your eligibility for a Bajaj Housing Finance Home Loan now. You may already be eligible, find out by entering your mobile number and OTP.

Frequently asked questions

What is meant by annual percentage yield?
Annual percentage yield is the real annual return on your money, including the effect of compound interest earned during the year.

What does 5.00% APY mean?
It means your money will effectively grow by 5% over one year when including the effects of compounding interest.

What does the annual percentage yield indicate?
It means your money will effectively grow by 5% over one year when including the effects of compounding interest.

Why is APY important when choosing a savings account?
It allows you to accurately compare different accounts by showing the actual returns you'll receive, regardless of compounding frequency. Check your eligibility for high-yield savings products. You may already be eligible by entering your mobile number and OTP.

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