Understanding put options in bonds

Most investors understand that to realize returns on bonds, they must hold them until maturity. But some bonds offer a layer of flexibility that allows investors, under certain conditions, to sell the bond back to the issuer before maturity and still earn a favorable return.

This feature is known as a put option.

While this may be a clear advantage for investors, this protection comes at a cost, such as a lower coupon rate than similar bonds or a lower overall yield to maturity. Understanding this trade-off is essential when evaluating the potential benefits and limitations of puttable bonds. 

How puttable bonds work

A puttable bond is a fixed-income security with a put option that gives the investor the right, but not the obligation, to sell the bond back to the issuer on specified dates at a predetermined price, typically at par value.

In a traditional bond, investors generally hold the bond until maturity or sell it in the secondary market, potentially at a gain or loss depending on market conditions. With a puttable bond, investors have an additional option: they can exercise the put option and return the bond to the issuer if doing so is more advantageous.

An advantageous situation would be if rates are higher and new bonds are issued with higher coupon rates.

Consider a hypothetical 5-year bond issued by ABC Corporation: 

• 5.00% fixed coupon
• 5-year maturity
• Put dates: End of Year 3 and End of Year 5
• Put price: 100% of face value 

In this example, investors may choose to “put” the bond back to ABC Corporation at the end of Year 3 or Year 5 and receive their principal in full, regardless of the bond’s market price. 

Key features of put options

Potential downside protection

The put option gives investors a measure of protection against unfavorable market conditions, such as rising interest rates or a deterioration in the issuer’s credit quality. Rather than continue holding a bond that has become less attractive, investors may exercise the put option and reinvest their funds elsewhere. 

Reduced interest rate risk

Given that investors can exit at predetermined dates, puttable bonds are generally less sensitive to rising interest rates than comparable ordinary bonds. 

Lower initial yield

Since the put option benefits investors, issuers typically compensate for this added flexibility by offering lower coupon rates or yields than otherwise similar non-puttable bonds.

Let’s do what-if scenarios

Consider the same hypothetical bond issued by ABC Corporation. 

If interest rates rise...

Suppose market yields increase substantially by Year 3. Newly issued bonds may now offer coupon rates of 7.00%, while the puttable bond continues paying only 5.00%.

In this situation, investors may exercise the put option to recover their principal at the predetermined price and reinvest in higher-yielding securities. The put feature helps protect investors from being locked into below-market returns for the remainder of the bond's life.

If interest rates fall or remain stable...

Suppose market yields decline to 4.00% by Year 3. The bond's 5.00% coupon becomes relatively attractive compared with newly issued bonds.

Rather than exercising the put option, investors benefit more by holding the bond and continuing to collect the higher coupon payments. In this scenario, the put option remains unused but still provides flexibility if conditions change in the future. 

The bottom line: Flexibility still comes with a price

Puttable bonds can provide investors greater flexibility and downside protection by allowing them to redeem the bond before maturity on specified dates. This feature may help manage interest rate risk and provide an exit strategy if market conditions turn less favorable.

However, that flexibility is not free. Puttable bonds often offer lower yields than comparable non-puttable bonds, reflecting the value of the option granted to investors.

For this reason, investors should look beyond the coupon rate and evaluate the bond's put schedule, put price, yield, issuer credit quality, and the overall market environment.

Instead of just asking, “How much does this bond pay?”, investors should also ask, “How valuable is the ability to get my money back early if market conditions change?” 

MARIA CHRISTINA “YNA” VIRTUDAZO is an Investment Counselor at Metrobank’s Institutional Investors Coverage Division. She is a licensed Fixed Income Market Salesperson of the Securities and Exchange Commission and a certified Unit Investment Trust Fund (UITF) salesperson. She graduated with a bachelor’s degree in business administration from the University of the Philippines – Diliman. She is also taking her Master’s in Finance at the University of the Philippines.