Understanding Bank Deposit Interest Rates: Why FDs Pay More Than Savings Accounts

Banks offer different interest rates on savings accounts and fixed deposits (FDs) because these products serve different purposes and provide different levels of certainty over the availability of funds. While savings accounts allow customers to access their money when needed, FDs allow banks to plan around funds deposited for a specified period. 

Interest rates also vary across banks and FD tenures because of differences in funding requirements, competition, liquidity positions, and prevailing economic conditions. 

Understanding these factors explains why FDs generally offer higher interest rates than savings accounts, why some banks pay more than others, and why the highest FD rate is not always available for the longest tenure. 

Why Do Banks Pay Interest on Deposits? 

Deposits are an important source of funding for banks. Banks use their funds to provide loans and make permitted investments, while maintaining the liquidity and regulatory reserves required under applicable rules. 

For example, a bank may collect deposits from customers and use its funds to provide home loans, business loans, and personal loans. The bank earns interest on its loans and investments and pays interest to depositors. 

The difference between the interest earned on assets and the interest paid on deposits is known as net interest income. This is an important contributor to a bank’s profitability, although the bank must also account for operating expenses, credit losses, and other costs.

Banks must therefore balance two objectives: attracting sufficient deposits to fund their activities and keeping the cost of those deposits at a level that supports their business. 

Why Do FDs Generally Offer Higher Interest Rates Than Savings Accounts?

The primary reason is the difference in how readily customers can access their money. 

Savings accounts are designed for everyday banking. Customers can generally withdraw money or make payments when required, meaning banks must manage the possibility of balances changing at short notice. 

An FD, on the other hand, is opened for a specified tenure at an agreed interest rate. Although premature withdrawal may be permitted subject to applicable terms and penalties, customers generally intend to keep the funds deposited until maturity. 

This gives banks greater predictability when planning their funding requirements. They may therefore offer a higher interest rate to encourage customers to commit their money for a specified period. 

Key Differences

Illustrative Example 1: Savings Account vs FD

Suppose a bank offers the following illustrative rates: 

• Savings account: 3% per annum 

• One-year FD: 6.5% per annum 

If a customer maintains ₹1,00,000 in a savings account for an entire year, the approximate interest at 3% would be ₹3,000, assuming the rate remains unchanged. 

For an FD of ₹1,00,000 at 6.5% per annum for one year, the interest would be approximately ₹6,500 under a simple-interest calculation. 

The FD offers a higher return because the customer agrees to keep the money deposited for a specified period. The savings account provides greater flexibility, which is valuable when the money may be needed at short notice.

Note: These rates are hypothetical. The calculation assumes a constant savings account balance and uses simple interest for the FD. Actual FD returns depend on the bank’s interest calculation, compounding and payout terms. Taxes are excluded. 

Why Do Different Banks Offer Different FD Interest Rates? 

Even when two banks offer FDs for the same tenure, their interest rates may differ. Each bank has different funding requirements, business priorities, and competitive pressures. 

1. Demand for Deposits 

Banks need deposits to support their lending and investment activities. If a bank expects strong loan growth but is not attracting enough deposits, it may increase FD rates to bring in additional funds. 

Conversely, a bank that already has sufficient deposits may have less reason to offer particularly high rates. 

2. Cost of Funding 

Banks consider the overall cost of obtaining funds. A bank with a large base of relatively low-cost deposits may be able to fund its activities without paying exceptionally high FD rates. 

Another bank that needs to attract new deposits may be willing to pay a higher rate to secure additional funding. 

3. Competition Among Banks 

Banks compete for depositors. If competing banks offer attractive rates, a bank may increase its own rates to retain existing customers and attract new ones. 

Competition can also be concentrated around particular deposit tenures, resulting in higher rates for selected periods rather than across all FDs. 

4. Liquidity Position 

Liquidity refers to a bank’s ability to meet its payment obligations when they fall due. A bank’s liquidity position and funding needs can influence how aggressively it seeks new deposits. 

A bank that wants to strengthen its funding position may offer more attractive rates for specific tenures, while a bank with comfortable funding levels may not need to do so. 

5. Business Strategy 

Banks may use selected FD tenures or special deposit schemes to attract funds for particular periods. Their objective is not necessarily to offer the highest rate on every deposit, but to attract the type of funding they need at that time. 

Illustrative Example 2: Why Two Banks Offer Different Rates 

Suppose two banks offer the following rates for a one-year FD: 

Bank B may be offering a higher rate because it wants to attract more deposits or has different funding requirements. Bank A may already have sufficient deposits and may not need to offer as much interest. 

The example illustrates how banks can offer different rates for similar deposits. However, the interest rate alone does not establish a bank’s financial strength or explain its actual funding position. 

Note: Interest is calculated on a simple-interest basis for illustration. Actual FD returns depend on the bank’s interest calculation and payout terms. 

Why Do FD Interest Rates Differ Across Tenures? 

Within the same bank, a one-year FD may offer a different interest rate from a two-year or three-year FD. 

Banks decide these rates based on how much funding they need, when they expect to need it, prevailing market yields, and their expectations about future interest rates. 

For example, a bank expecting to need funds over a longer period may offer a relatively attractive rate on a two-year FD. Another bank may offer a higher rate on a shorter-tenure FD because it wants to attract deposits that mature around a particular date. 

FD rates do not necessarily increase with tenure. A special-tenure FD may offer a higher rate than deposits with slightly shorter or longer maturities. 

The broader interest-rate environment also matters. The yield curve shows the relationship between market yields and the maturities of comparable debt instruments. It can provide insight into how market interest rates differ across time horizons. Banks may consider these market conditions when setting deposit rates, although FD rates do not move in lockstep with bond yields.

How Does the RBI’s Repo Rate Influence FD Interest Rates? 

The Reserve Bank of India (RBI) influences interest rates in the economy through monetary policy. One of its key policy rates is the repo rate, which relates to short-term funds provided by the RBI to banks against eligible collateral. 

Changes in the repo rate can influence banks’ funding costs, lending rates, and the returns available on alternative investments. These developments can, in turn, affect the interest rates banks offer on deposits. 

When the repo rate rises, market interest rates and funding costs may increase. Banks may respond by raising FD rates to attract deposits. 

When the repo rate falls, banks may reduce FD rates if their funding requirements and market conditions allow them to do so. 

However, the relationship is not automatic. Banks do not necessarily change their FD rates immediately or by the same number of percentage points as the repo rate. Their response depends on deposit growth, liquidity, competition, lending demand, and existing funding costs. 

Banks can also adjust rates on new deposits without changing the interest rate already agreed upon for an existing FD, subject to its contractual terms. 

Illustrative Example 3: How a Repo Rate Change Can Affect FD Rates 

Suppose the RBI increases the repo rate from 5.5% to 6%. 

Following the increase, market interest rates and banks’ funding costs may rise. A bank seeking additional deposits might respond by increasing its one-year FD rate from 6.5% to 6.9%. 

However, this change is only illustrative. Banks do not automatically increase FD rates by the same amount as the repo rate, and some banks may not change their rates at all. 

The example demonstrates how monetary policy can influence deposit pricing without directly determining the rate offered by every bank.

Why Do Banks Offer Higher Rates to Certain Customers or Special FDs? 

Banks may offer additional interest or special rates for particular deposit categories to attract funds from targeted customer segments or for selected tenures. 

• Senior citizens: Banks commonly offer additional interest on eligible domestic retail FDs for senior citizens. The premium and eligibility conditions vary by bank and product. 

• Special-tenure FDs: A bank may offer a higher rate for a specific period to encourage customers to book deposits of that maturity. 

• Deposit size: Banks may offer differential rates for eligible large or bulk deposits, subject to applicable RBI rules. 

These differences reflect banks’ deposit-pricing strategies and the regulatory conditions governing deposit rates. The applicable rate card and eligibility requirements should always be checked before booking a deposit. 

Does a Higher FD Interest Rate Always Mean a Better Deal? 

Not necessarily. A higher rate can increase the interest earned, but the deposit must also suit the customer’s financial needs. 

Before choosing an FD, consider the following: 

• Tenure: Does the maturity date match when the money will be needed? 

• Premature withdrawal: What conditions and penalties apply if the money is required early? 

• Interest payout: Is interest paid periodically or accumulated until maturity? 

• Taxation: How will tax on the interest affect the post-tax return? 

• Deposit protection: How much of the total amount held with the bank falls within the applicable deposit insurance limit? 

Under the Deposit Insurance and Credit Guarantee Corporation (DICGC) scheme, eligible deposits are insured up to ₹5,00,000 per depositor per bank, including principal and interest, when held in the same right and capacity. Eligible deposits across different branches of the same bank are aggregated for this limit. Deposits with different banks are insured separately, subject to the scheme’s rules. 

A higher advertised interest rate should therefore be assessed alongside the deposit terms, accessibility and applicable protection.

Key Takeaways 

• Banks pay interest on deposits because deposits are an important source of funding for lending and investment activities. 

• Savings accounts generally offer lower rates because customers have greater flexibility in accessing their money. 

• FDs often offer higher rates because their specified tenure gives banks greater predictability over the duration of their funding. 

• FD rates differ across banks because of differences in funding requirements, costs, liquidity, competition, and business strategies. 

• Interest rates can vary across FD tenures; longer deposits do not always offer higher rates. 

• RBI policy rates influence deposit pricing, but banks’ responses depend on their individual circumstances and market conditions. 

• A higher FD rate should be evaluated alongside tenure, premature withdrawal conditions, taxation, and deposit insurance.