What Are Interest Rate Swaps? Meaning & Working Explained
Chapter 1

What Are Interest Rate Swaps? Types, Benefits & Examples Explained


Jun 5, 2025

What Are Interest Rate Swaps? Types, Benefits & Examples Explained

Interest rates waps are financial instruments that enable parties to navigate the complexities of interest rate fluctuations. By facilitating the exchange of interest payments, where one party pays a fixed rate while receiving a floating rate or vice versa. Interest rate swaps provide a strategic means to manage borrowing costs and enhance cash flow stability. As economic conditions and monetary policies evolve, these swaps become increasingly valuable for risk management and financial optimisation. So, read on to understand the meaning of interest rate swap to explore its types and the advantages it offers.

What are Interest Rate Swaps and How Do They Work?

An interest rate swap is a financial agreement between two entities to exchange interest payments over a specified period. This contract is based on a notional principal amount, which is used solely for calculating the interest payments, while the actual principal is never exchanged. Typically, one party pays a fixed interest rate while the other pays a floating rate.

This is generally tied to a benchmark like Secured Overnight Financing Rate (SOFR) or Mumbai Interbank Offered Rate (MIBOR). The main purpose of an interest rate swap is to manage or hedge interest rate risk. This allows one party to convert their fixed-rate obligations to floating, or vice versa, depending on their financial goals. These swaps are widely used by corporations and financial institutions to optimise borrowing costs and stabilise cash flows.

Let us take an interest rate swap example. If a company with a floating-rate loan expects interest rates to rise, it can enter a swap with a counterparty that prefers floating payments. The company will pay a fixed rate and receive floating rate payments. This will offset the potential rise in its original loan’s floating-rate obligations.

The swap provides both parties with the flexibility to manage their exposure to changing interest rates without altering the underlying debt structure. Swaps are typically settled in net terms. Here, the difference between the two payment streams is exchanged, rather than the full interest payments from both parties.

Interest Rate Swap Example

The scenarios below explain how interest rate swaps work in real situations.

Exchange Between Two Firms

Suppose firm ABC has borrowed funds at a floating interest rate and firm XYZ holds a fixed-rate loan. Both firms enter into a swap agreement to manage their interest exposure more effectively.

Firm ABC expects interest rates to increase and prefers stable payments over time. It agrees to pay a fixed interest rate of 5% on ₹12 lakhs to Firm XYZ. In return, Firm XYZ agrees to pay a floating rate linked to MIBOR on the same amount. The agreement continues for four years.

At the start, when MIBOR stands at 4%, Firm ABC pays ₹60,000 annually to Firm XYZ. At the same time, Firm XYZ pays ₹48,000 annually to Firm ABC. This results in a net outflow of ₹12,000 for Firm ABC.

Later, if MIBOR rises to 6%, Firm ABC continues to pay ₹60,000 to Firm XYZ. However, Firm XYZ now pays ₹72,000 to Firm ABC. This helps Firm ABC offset the rising cost of its floating-rate borrowing. The arrangement effectively converts its liability into a fixed-rate structure.

Illustration with an Individual Investor:

Consider another case involving Ms. Kapoor, an investor with significant financial holdings. She invests ₹90 lakhs in floating-rate bonds that offer returns based on MIBOR plus 1.8%.

Expecting interest rates to decline, she decides to secure steady returns through a swap agreement. She enters into a three-year contract where she pays MIBOR plus 1.8% and receives a fixed return of 6.8% annually. The counterparty expects rates to increase during this period.

The yearly outcome is shown below.

Year Pay (MIBOR + 1.8%) Receive (6.8% fixed) Net
1 6.8% 6.8% 0
2 4.8% 6.8% +2
3 5.8% 6.8% +1


The total payment over three years equals 17.4%, while total receipts equal 20.4%. This results in a net gain of 3% over the period. Through this approach, Ms Kapoor manages to stabilise returns despite changing rate conditions.

Types of Interest Rate Swaps

Interest rate swaps can be categorised into several distinct types, each designed to meet specific financial objectives and risk management needs. The most common types include:

  • Fixed-to-Floating Swap: In this, one party agrees to pay a fixed interest rate. On the other hand, they receive a floating interest rate from the counterparty. Corporations or institutions with fixed-rate loans might use this swap to take advantage of potential future declines in floating interest rates. This allows them to effectively convert their fixed interest obligations into floating ones.
  • Floating-to-Fixed Swap: This swap is the reverse of the fixed-to-floating arrangement. One party pays a floating interest rate while receiving a fixed rate from the counterparty. This is typically used by entities with floating-rate liabilities exposed to rising interest rates. By converting their floating-rate obligations to a fixed rate, they can hedge against potential rate increases and ensure more predictable cash flows.
  • Floating-to-Floating Swap: In a basis swap, both parties exchange floating-rate interest payments, but the payments are tied to different benchmark rates. For example, one party may pay a floating rate based on LIBOR, while the other pays a floating rate based on MIBOR. Basis swaps allow parties to manage the risk associated with fluctuations in different interest rate benchmarks. This helps to optimise cash flow alignment with specific reference rates that better suit their financial needs.

Advantages of Interest Rate Swaps

Interest rate swaps offer several benefits that help corporations manage their interest rate exposure effectively.

  • Hedging Against Interest Rate Risk: The primary benefit of interest rate swaps is the ability to hedge against fluctuations in interest rates. By converting fixed-rate obligations to floating rates (or vice versa), companies can manage exposure to rising or falling rates and minimise financial uncertainty.
  • Cost Reduction: Interest rate swaps can potentially lower borrowing costs. For instance, if a company has access to cheaper fixed-rate funding but prefers a floating rate. Here, an interest rate swap can help take advantage of favourable market conditions without changing the underlying debt structure.
  • Flexibility in Managing Debt: Swaps provide flexibility by allowing companies to adjust their interest rate exposure without the need to refinance or alter their debt obligations. This flexibility is especially useful for organisations that need to adapt to changing market conditions or align their cash flow strategies with evolving financial goals.
  • Customised Solutions: Interest rate swaps can be tailored to meet specific financial objectives. For example, aligning the maturity dates and interest rate terms with a company’s cash flow or project timeline. This customisation allows businesses to structure swaps in ways that best suit their risk management strategies.
  • Enhancing Investment Strategies: Financial institutions and investors can use interest rate swaps to optimise their portfolios. They can do so by matching liabilities with assets or speculating on future movements in interest rates to increase returns.
  • Maintaining Liquidity: Unlike refinancing loans or issuing new debt, entering an interest rate swap does not require immediate capital outlay. This helps in preserving liquidity while achieving desired financial outcomes. This makes it a cost-effective tool for managing large portfolios of debt or investments.


Risks in Interest Rate Swaps

Though interest rate swaps offer various benefits, it involves few risks as well, such as:

Effect of Changing Market Rates

Fluctuations in interest rates can influence the value of a swap agreement over time. If rates move in an unexpected direction, one party may experience financial losses. This makes it important to evaluate possible rate trends before finalising the contract.

Difference in Benchmark Rates

Sometimes, the floating rate used in the swap may differ from the actual rate linked to liabilities. This mismatch can reduce the effectiveness of the arrangement. As a result, the expected benefit from the swap may not be fully achieved.

Possibility of Non-Payment

There is always a risk that one party may fail to meet its payment obligations. In such situations, the other party may face financial loss or disruption in expected cash flows. This risk becomes more significant when dealing with less reliable counterparties.

Explore Fixed-Income Securities with Altifi

Interest rate swaps provide an effective way for businesses to manage interest rate risks, lower borrowing costs and customise debt structures. While they come with some risks, such as counterparty and market, interest rate swaps remain valuable tools for optimising financial strategies.

Altifi’s platform offers easy access to fixed-income securities, including AAA-rated bonds that enhance the safety of your investment portfolio. Additionally, you can explore opportunities in high-yield bonds for potentially inflation-adjusted returns. Altifi allows you to invest in bonds from top-rated corporates and financial institutions. So, download our app today or sign up via our web portal and start investing in bonds.

Conclusion

Interest rate swaps are financial agreements that help manage changes in interest rates over time. They allow parties to exchange fixed and floating rate payments based on their expectations. This helps improve stability in cash flows and supports better financial planning decisions. Various forms of swaps serve different needs, depending on risk levels and financial goals. Swaps are commonly employed by firms and organisations to adjust their interest exposure. A proper assessment may help align SWAP with overall financial objectives and risk tolerance.

FAQs on Interest Rate Swaps

1. What is an interest rate swap in simple terms?

An interest rate swap is a financial agreement in which two parties exchange interest payment obligations. Typically, one party pays a fixed interest rate and receives a floating rate, while the other does the opposite.

2. How does an interest rate swap work?

Payments are calculated on a notional amount, while the principal is usually not exchanged.

3. Why are interest rate swaps used?

They help manage interest rate risk and stabilise borrowing costs.

4. What are the main types of interest rate swaps?

Fixed-to-floating, floating-to-fixed, and floating-to-floating swaps.

5. What is a notional principal amount?

It is the reference amount used to calculate swap payments.

6. Are interest rate swaps risky?

Yes. They involve market, counterparty, basis, and liquidity risks.

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