Among the various investment options available to investors today, debt mutual funds are considered a relatively stable vehicle. They primarily invest in bonds, treasury bills, government securities, corporate debt instruments and other fixed-income securities––a structure that offers a potentially less volatile investment journey compared to equity.
In this article, we will learn about debt funds, how they work, their features, potential benefits and who can consider investing in them.
In Short
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Debt funds invest in bonds and fixed-income securities.
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They aim to provide relatively stable returns compared to equity funds.
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Potential returns may come from interest accrual and bond price movements.
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Different types of debt funds are available for different investment horizons and risk levels.
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Debt funds are not risk-free; they may be affected by interest rate, credit, liquidity, reinvestment and other risks..
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Taxation depends on the investor's holding period and applicable tax rules.
What Is A Debt Fund?
A debt fund is a type of mutual fund that invests primarily in fixed-income instruments such as government securities, corporate bonds, treasury bills, commercial papers, certificates of deposit and other money market instruments. These funds aim to provide potentially stable returns with lower risk than equities.
Types of Debt Funds
Debt mutual funds are categorised based on factors such as the Macaulay duration of the portfolio, maturity of securities, credit quality and investment strategy.
Duration-Based Debt Funds
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Overnight Fund: Invests in overnight securities having maturity of 1 day.
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Liquid Fund: Invests in debt and money market securities with a maturity of up to 91 days.
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Ultra Short Term Fund: Invests in debt and money market instruments such that the Macaulay duration of the portfolio is between 3 and 6 months.
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Ultra Short to Short Term Fund: Invests in debt and money market instruments such that the Macaulay duration of the portfolio is between 6 and 12 months.
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Short Term Fund: Invests in debt and money market instruments such that the Macaulay duration of the portfolio is between 1 and 3 years.
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Medium Term Fund: Invests in debt and money market instruments such that the Macaulay duration of the portfolio is between 3 and 4 years.
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Medium to Long Term Fund: Invests in debt and money market instruments such that the Macaulay duration of the portfolio is between 4 and 7 years.
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Long Term Fund: Invests in debt and money market instruments such that the Macaulay duration of the portfolio is greater than 7 years.
The duration-based categories above are defined by the Macaulay duration of the portfolio rather than simply by the maturity of the individual securities held by the fund.
Other Debt Fund Categories
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Money Market Fund: Invests in money market instruments having a maturity of up to 1 year.
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Dynamic Term Fund: Actively manages the portfolio duration based on the fund manager's assessment of interest rate movements and market conditions.
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Corporate Bond Fund: Primarily invests in high-rated corporate bonds, subject to the applicable regulatory requirements.
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Banking & PSU Debt Fund: Invests primarily in debt securities issued by banks, public sector undertakings, public financial institutions and municipal bonds, subject to applicable regulatory requirements.
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Gilt Fund: Invests primarily in government securities. While gilt funds have minimal credit/default risk because they invest in government securities, they remain exposed to interest rate risk and market fluctuations.
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Credit Risk Fund: Invests in lower-rated corporate bonds, subject to the applicable regulatory requirements, and therefore carries relatively higher credit risk.
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Floating Interest Rates Fund: Primarily invests in floating-rate instruments, where the interest rate is periodically reset based on a reference rate.
How Do Debt Funds Work?
Each debt instrument is assigned a credit rating that indicates the issuer’s ability to repay principal and interest on time. Debt fund managers use these ratings to choose quality securities, with higher-rated instruments generally carrying a lower risk of default.
Features Of Debt Mutual Funds
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Invest primarily in fixed-income securities such as bonds and money market instruments.
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Managed by professional fund managers.
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Provide access to a diversified debt portfolio through a single investment.
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Generally exhibit lower volatility than equity funds.
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Available across multiple maturity and duration categories.
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Offer liquidity through redemption options, subject to scheme-specific terms.
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May be suitable for short-term, medium-term, and long-term financial goals depending on scheme duration.
Benefits Of Investing In Debt Funds
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Portfolio Stability
Debt investments typically experience lower price fluctuations compared to equities. As a result, they can help bring relative stability to a diversified portfolio.
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Diversification
Including debt funds alongside equity investments may help diversify portfolio risk because different asset classes often react differently to market conditions.
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Short-Term Parking Of Funds
Investors with temporary surplus funds may use certain categories such as liquid funds or overnight funds for short-term investment needs.
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Potential Tax Efficiency
Depending on an investor's purchase date and holding period, debt funds may offer certain tax treatment advantages. Investors may consider consulting a tax professional for personalised guidance.
Who Should Invest In Debt Funds?
Debt mutual funds can be a suitable option for investors looking for stability and relatively lower risk. They may be worth considering if:
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Preserving capital is the priority.
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You prefer lower-risk investments.
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You seek a regular income stream, especially during retirement.
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Your investment horizon is short to medium term.
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You want professional management instead of investing directly in bonds.
As part of a diversified portfolio, debt mutual funds can provide relative stability while offering higher potential returns than traditional savings accounts or fixed deposits.
Risks In Debt Funds
Although debt funds are generally less volatile than equity funds, they are not risk-free investments.
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Interest Rate Risk
Interest rate risk arises when changes in market interest rates affect the prices of debt securities. Generally, when market interest rates rise, prices of existing bonds may fall, and vice versa.
For example, if you invest in a bond offering a 10% interest rate and market interest rates subsequently rise to 12%, the existing bond may become less attractive compared with newly issued bonds. Its market price may therefore decline. A debt fund holding such securities may experience a fall in NAV.
The impact of interest rate movements can vary depending on the portfolio's duration. Securities and portfolios with higher duration can generally be more sensitive to changes in interest rates.
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Credit Risk
Credit risk refers to the possibility that an issuer may default or fail to make interest or principal payments on time. If the credit quality of a security deteriorates, its market value may decline, which can negatively affect the NAV of a debt fund holding that security.
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Liquidity Risk
Liquidity risk refers to the possibility that a security may not be easily bought or sold at its fair or expected market value. If a debt security is relatively illiquid, the fund may face difficulty selling it quickly or may have to sell it at a less favourable price.
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Reinvestment Risk
Reinvestment risk is the risk that income received from debt securities, or the proceeds from securities that mature or are sold, may have to be reinvested at lower interest rates than the original investment. This can affect the potential income or returns generated by the portfolio.
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Illiquid Securities Risk
Certain debt securities may have limited trading activity or a limited number of buyers and sellers. Such securities may be difficult to value or sell quickly, particularly during stressed market conditions. This can affect the value and liquidity of the fund's portfolio.
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Redemption / Portfolio Restructuring Risk
When investors redeem units, the fund may need to sell securities to meet redemption requirements. During periods of high or concentrated redemptions, this may require the fund to sell securities under unfavourable market conditions or restructure the portfolio. Such actions can potentially affect the fund's NAV and portfolio characteristics.
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Market Risk
Debt securities are subject to market conditions and can be affected by factors such as changes in interest rates, economic conditions, credit spreads, liquidity and overall investor sentiment. As a result, the NAV of a debt fund can fluctuate.
Taxation Rules of Debt Funds
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Investment Date |
Holding Period |
Tax Treatment |
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Before April 1, 2023 |
36 months |
STCG – Taxed at slab rate |
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> 36 months |
LTCG – 20% with indexation |
For debt mutual fund units purchased on or after April 1, 2023, capital gains are generally added to the investor’s income and taxed at the applicable slab rate, irrespective of the holding period. The earlier long-term capital gains treatment with indexation is not available for such investments.
For units purchased before April 1, 2023, different grandfathering rules may apply, so investors should check the acquisition date and consult a tax advisor.
FAQs
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How Do Debt Funds Operate?
Debt funds pool money from multiple investors and invest it in bonds, treasury bills, government securities, corporate debt instruments, and money market securities. Potential returns may arise from interest accrual and changes in bond prices.
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What Are the Risks Involved in Debt Funds?
The risks involved include interest rate risk, credit risk, liquidity risk, reinvestment risk, illiquid securities risk, redemption / portfolio restructuring risk and market risk.
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Where Do Debt Funds Invest?
Debt funds invest in fixed-income instruments such as government bonds, corporate bonds, treasury bills, commercial papers, certificates of deposit and other money market securities.
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Are Debt Funds Better Than Equity Funds?
The suitability of either option depends on an investor's objectives, time horizon and risk tolerance.
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Are Debt Funds More Secure Than FDs?
Fixed deposits generally offer predetermined interest rates subject to the issuer's terms, while debt fund returns are market-linked and not guaranteed. Investors may evaluate both options.
Mutual Fund investments are subject to market risks, read all scheme related documents carefully.