📚 PASS Investment Adviser (Level 1) Difficulty: Beginner ℹ️ Info   ~5 min read
📌 Chapter 9.5 — Traditional Yield Measures

Imagine you are reviewing a high-yield corporate bond issued by a mid-cap Indian infrastructure firm. As you refine your valuation model, you notice the bond document includes both a call provision—allowing the issuer to prepay debt—and a put provision—granting the investor the right to demand early repayment. A junior analyst on your team mistakenly assumes that YTM is the definitive metric for this security, but in a volatile interest rate environment, this approach ignores the reality of the embedded options.

Calculating the yield to call (YTC) and yield to put (YTP) is not just a regulatory formality; it is a critical defensive maneuver for portfolio management.

Yield to call represents your expected return if the issuer exercises their right to retire the debt early, typically occurring when prevailing market interest rates fall below the bond’s coupon rate. Conversely, yield to put measures the return if the investor forces the issuer to buy back the bond, which usually happens when the issuer’s credit quality deteriorates or rates rise significantly.

In the Indian debt market, where liquidity can shift rapidly for corporate papers, understanding the ‘worst-case’ yield is essential. Analysts often look to the ‘yield to worst’ (YTW), which is simply the lowest of the YTM, YTC, or YTP, to set a floor for their return expectations.

Consider an infrastructure bond trading at a premium with a 10% coupon, callable in two years. If market rates drop to 7%, the issuer will almost certainly call the bond, capping your upside and leaving you with the YTC. However, if the firm’s credit rating is downgraded, you might exercise your put option to exit the position, making the YTP your primary concern.

By calculating both, you shift your analysis from a static expectation of holding to maturity to a dynamic strategy that accounts for the incentives of both the borrower and the lender.

This bifurcated approach transforms your recommendation quality. When you present an investment thesis to an investment committee, justifying a position based on YTC suggests you are aware of refinancing risks, while citing YTP demonstrates a sophisticated understanding of credit risk and liquidity protection. In an environment like India, where corporate bond liquidity can be thin, these metrics serve as your primary radar for potential capital erosion.

Nuance

⚠️ Nuance
A common trap for candidates is the assumption that the call or put will always be exercised. In practice, the exercise of these options depends on the relationship between the bond’s coupon and the prevailing market rate, as well as the issuer’s financial health. A sophisticated analyst does not ‘predict’ which option will be triggered; instead, they stress-test the portfolio against all scenarios to ensure that the risk of early repayment or redemption is fully reflected in the price.

Check Your Understanding

Practice Question 1

An investor holds a bond with a 9% coupon, callable in three years and puttable in five years. If current market interest rates for similar credit profiles are 6%, which yield measure should the investor prioritize when assessing the risk of the issuer calling the bond?

Practice Question 2

Under what market conditions would an investor most likely focus on the yield to put (YTP) to protect their investment?

This is a companion read for Section 9.5 — Traditional Yield Measures from PASS Investment Adviser (Level 1) by Akhilesh Gururani, available on Amazon Kindle.

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