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Puttable Bond

A bond that provides the holder (investor) the right but not the obligation to force the issuer to redeem the bond before its maturity

What is a Puttable Bond?

A puttable bond (put bond or retractable bond) is a type of bond that provides the holder of a bond (investor) the right, but not the obligation, to force the issuer to redeem the bond before its maturity date. In other words, it is a bond with an embedded put option. Puttable bonds are directly opposite to callable bonds.

 

Puttable Bond

 

If the embedded put option is exercised, the bondholder receives the principal value of the bond at par value. In certain cases, the bonds can be retracted as a result of extraordinary events. However, more frequently, the embedded put option can be exercised after a predetermined date.

 

How are put options important to investors and issuers?

Similar to callable bonds, the rationale behind puttable bonds is related to the inverse relationship between interest rates and the price of bonds. Since the value of the bonds declines as interest rates rise, they provide investors with protection from potential interest rate increases.

At the same time, the bond issuers reduce their cost of debt by providing lower yields on the bonds. Investors accept lower yields in exchange for the opportunity to exit the investments in case of unfavorable market conditions.

 

How do puttable bonds work?

Let’s consider the following example to understand how these bonds work:

ABC Corp. issues puttable bonds with a face value of $100 and a coupon rate 4.75%. The current interest rate is 4%. The bonds will mature in 10 years.

The put option provides investors with the right to force ABC to redeem the bonds after the first five years.

If, after the first five years of the bonds’ life, interest rates have significantly increased, the investors do not have an incentive to keep the bonds until maturity. Rather than holding the bonds to maturity, they can exercise the embedded put option and receive the principal amount of their initial investment. They can then use the proceeds to invest in newly issued bonds with a higher coupon (interest) rate.

However, if interest rates remain the same or decline, the investors do not have an incentive to exercise the put option. They will likely hold the bonds until maturity. In such a scenario, both parties will enjoy the same payoff as in plain-vanilla bonds.

Note that the coupon rate of puttable bonds may be slightly lower than that of plain-vanilla bonds. This is to compensate the issuer for the additional risk of investors exercising the put option.

 

Puttable Bond - Example

 

How to find the value of a puttable bond?

Valuing puttable bonds differs from valuing plain-vanilla bonds because of the embedded put option. Since the option provides investors with the right to force the issuers to redeem the bonds, the put option affects the price of a (puttable) bond.

The fair market price of a (puttable) bond can be found using the following formula:

 

Puttable Bond - Formula

 

Where:

  • Price (Plain – Vanilla Bond) – the price of a plain-vanilla bond that shares similar features with a (puttable) bond.
  • Price (Put Option) – the price of a put option to redeem the bond prior to maturity.

 

Additional resources

CFI is the official provider of the global Financial Modeling & Valuation Analyst (FMVA)™ certification program, designed to help anyone become a world-class financial analyst. To keep learning and advancing your career, the additional resources below will be useful:

  • Margin Trading
  • Options: Calls and Puts
  • Rate of Return
  • Speculation

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