Non-Convertible Debentures (NCDs) are fixed-income instruments issued by companies to raise long-term capital, offering investors periodic interest payments over a defined tenure. These instruments are influenced by broader market conditions and interest rate trends, which can affect the returns offered at the time of issuance.
Changes in the policy rate environment, along with issuer-specific factors, often play a role in how NCD interest rates are structured. Understanding these elements may help in reading how coupon rates are determined and how they may vary across different issuances.
What are NCD Interest Rates?
An NCD is a debt security issued by a company that cannot be converted into equity shares. The company borrows funds from investors for a defined tenure and pays interest at a predetermined rate at regular intervals, known as the coupon rate. At the end of the tenure, the principal amount is returned to the investor.
The coupon rate represents the fixed interest paid on the NCD's face value. For example, if an NCD has a face value of ₹1,000 and a coupon rate of 9%, the investor receives ₹90 as interest per year. These payments may be made monthly, quarterly, semi-annually, or annually, as specified in the offer document.
The primary source of return is the coupon payment. An investor who holds an NCD until maturity receives periodic interest payments throughout the tenure, followed by the repayment of the face value at the end.
In the secondary market, where NCDs are traded on stock exchanges such as the National Stock Exchange of India (NSE) or the Bombay Stock Exchange (BSE), the market price of an NCD may fluctuate. If an investor purchases an NCD at a price below its face value, the effective return, measured as Yield to Maturity (YTM), may be higher than the stated coupon rate. Yield to Maturity (YTM) represents the total expected return if the NCD is purchased at its current market price and held until maturity. When an NCD trades above or below its face value in the secondary market, the YTM may be higher or lower than the coupon rate. Conversely, an NCD purchased above face value may yield a lower return than the coupon rate suggests.
Investors evaluating NCD returns in the secondary market should focus on YTM rather than the coupon rate, as YTM accounts for the purchase price, remaining tenure, and all future coupon payments.
Key Factors that Influence NCD Interest Rates
The following are the key factors that may influence NCD interest rates.
Credit Rating of the Issuer
The credit rating assigned to an NCD by rating agencies such as CRISIL, ICRA, CARE Ratings, or India Ratings is among the most significant factors determining its coupon rate. A higher credit rating indicates a relatively lower perceived risk of default, which typically corresponds to a lower coupon rate. Issuers with lower credit ratings are generally required to offer higher coupon rates to attract investors.
For instance, a AAA-rated NCD may carry a coupon rate in the range of 7.0% to 8.0%, while a BBB-rated instrument may need to offer 11.0% or above to attract investors. It is important to note that a credit rating reflects an agency's assessment at a specific point in time and may be revised based on changes in the issuer's financial condition.
Interest Rate Environment
The RBI's financial policy has a direct bearing on NCD coupon rates. The repo rate, which is the rate at which the RBI lends to commercial banks, serves as a baseline reference for borrowing costs across the economy. When the repo rate falls, companies may raise funds at lower costs, and newly issued NCD coupon rates tend to adjust downwards accordingly.
The 10-year Government Securities (G-Sec) yield is another key reference point. NCD coupon rates are typically priced above the prevailing G-Sec yield to compensate investors for the higher credit risk associated with private companies than the government.
Inflation Risk
Inflation risk is another factor investors may consider when evaluating NCD returns. Since many NCDs offer fixed coupon payments, a rise in inflation can reduce the real value of the interest income received over time. Even if the nominal coupon remains unchanged, the investor’s purchasing power may decline if inflation rises faster than the return generated by the instrument.
Issuer Reputation and Financial Strength
Beyond the credit rating, the overall financial standing of the issuing company plays a role in determining the coupon rate. Companies with strong balance sheets, consistent revenue, and healthy capital adequacy ratios may be in a position to issue NCDs at relatively lower rates. Conversely, companies with weaker financials or limited operating history may need to offer higher coupon rates to compensate investors for the perceived risk.
Key financial metrics that investors may consider include the net Non-Performing Assets (NPA) ratio, capital adequacy ratio, and the company's track record of meeting debt obligations.
Market Demand and Supply
The prevailing demand and supply dynamics in the NCD market may also affect coupon rates at the time of issuance. Where investor demand for corporate debt instruments remains strong, issuers may be able to offer comparatively lower coupon rates while still receiving adequate subscription levels. During periods of low demand or tighter liquidity conditions, issuers may be required to offer higher coupon rates to attract investor participation.
Subscription ratios observed during public NCD issues can serve as an indicator of prevailing market demand. A highly subscribed issue may reflect strong investor interest in corporate debt at the offered coupon rates.
Why Higher NCD Interest Rates May Mean Higher Risk
In the NCD market, the coupon rate is not determined randomly. It reflects the risk associated with the issuer. A company with a lower credit rating or weaker financial standing may need to offer a higher coupon rate to compensate investors for the relatively higher possibility of default.
This relationship between risk and return is a fundamental principle of debt markets. When evaluating an NCD that offers a notably higher coupon rate compared to similar instruments, it is worth considering the underlying reason for the higher rate. In many cases, the higher rate may correspond to a lower credit rating, operating track record of the issuing company, or a higher net NPA ratio.
Fixed vs Floating Interest Rates in NCDs
NCDs in India are broadly issued with either a fixed or a floating coupon structure.
A fixed-rate NCD pays a coupon that remains unchanged for the entire tenure of the instrument. The investor knows at the time of investment what payment they may receive at each coupon date. This may provide a degree of planning clarity, though it does not account for changes in market interest rates after issuance.
A floating-rate NCD has a coupon that is linked to a benchmark rate, such as the repo rate or the T-Bill rate, and adjusts periodically. If the benchmark rate rises, the coupon payment may increase; if it falls, the coupon may decrease. These instruments carry a different risk-return dynamic compared to fixed-rate NCDs.
In the Indian corporate bond market, fixed-rate NCDs are more commonly issued, particularly in public NCD issues targeted at retail investors. Floating-rate instruments are more prevalent in institutional debt markets.
The choice between fixed and floating rates may matter in different interest rate environments. In a falling rate environment, a fixed-rate NCD may offer a relatively higher coupon compared to what new issuances would carry. In a rising rate environment, the reverse may apply.
How to Evaluate NCD Returns Before Investing
The following are a few key metrics that may help in evaluating NCD returns before investing.
Credit Rating
Reviewing the credit rating of the NCD assigned by SEBI-recognised agencies such as CRISIL, ICRA, CARE Ratings, or India Ratings is an important step. It is also important to check whether the rating applies to the specific instrument or to the issuer generally, and whether there have been any recent rating changes.
Yield
In the primary market, An NCD purchased at face value and redeemed at face value will generally have a YTM close to or equal to its coupon rate. or When an NCD is issued and purchased at its face value (par) and redeemed at face value, the YTM is generally equal to the coupon rate.. In the secondary market, evaluating the YTM rather than the coupon rate may provide a more accurate picture of the return, as it accounts for the purchase price and remaining tenure.
Liquidity
Not all listed NCDs trade actively on stock exchanges. Assessing the trading volume and market depth of an NCD may be relevant for investors who may need to exit the position before maturity, as low trading volumes may make it difficult to sell at a fair price.
Tax Impact
The tax treatment of NCD income may affect the post-tax return. Coupon payments from NCDs are taxed as income from other sources at the applicable slab rate. Capital gains from selling in the secondary market are taxed as short-term or long-term capital gains depending on the holding period. Long-Term Capital Gains (LTCG) on listed NCDs held for more than 12 months are taxed at 12.5% without indexation benefit, as per the Finance Act 2024. Consulting a qualified tax professional is important before making investment decisions.
Common Mistakes Investors Make When Comparing NCD Rates
A few common areas where investors may benefit from additional care when comparing NCD interest rates are noted below.
- Focusing Only on the Coupon Rate: Comparing NCDs solely on the basis of the stated coupon rate, without considering the credit rating, tenure, or whether the instrument is secured or unsecured, may not provide a complete picture of the investment.
- Overlooking the Difference Between Coupon Rate and YTM: In the secondary market, the effective return on an NCD depends on the purchase price. An NCD bought at a premium to face value may offer a lower effective return than the coupon rate suggests.
- Not Verifying the Credit Rating: Credit ratings may change over the life of the instrument. Checking the current rating at the time of investment, rather than relying on the rating at issuance, may be relevant.
- Ignoring Offer Document Details: The offer document contains material information about the use of proceeds, the debenture trustee, covenants, and other terms. Reviewing this document may help investors understand the terms of the NCD before investing.
Conclusion
NCD interest rates in India reflect a combination of the monetary policy environment, the issuing company's creditworthiness, the tenure of the instrument, and prevailing market conditions. Understanding how these factors interact may help investors interpret the coupon rates they encounter, rather than comparing instruments on rate alone. Evaluating metrics such as YTM, credit rating trajectory, issuer financials, secured or unsecured status, and tax implications may contribute to a more informed assessment of NCD returns. The offer document remains the primary source of detailed terms and conditions for any specific NCD.
FAQs About NCD Interest Rates
How are NCD interest rates determined?
NCD interest rates are determined by the RBI repo rate, the issuer's credit rating, the tenure of the instrument, and prevailing market demand for debt instruments.
Do higher NCD interest rates mean better returns?
Not necessarily. Higher rates may reflect higher credit risk or an unsecured structure, meaning the overall risk-return profile requires careful evaluation.
What is the difference between coupon rate and YTM?
The coupon rate is the fixed annual interest on face value. YTM reflects total annualised return if held to maturity, accounting for the actual purchase price.
How do RBI rate changes affect NCDs?
When the RBI cuts rates, new NCD coupon rates may trend lower; existing higher-coupon NCDs may see secondary market prices rise, and vice versa.
What should investors check before investing in an NCD?
Investors may review the credit rating, YTM, secured or unsecured status, issuer financials, debenture trustee details, and offer document terms carefully.
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