Convertible Bond

Investment Vehicles High Relevance

A corporate bond that can be converted into a fixed number of shares of common stock at the bondholder's option. Features a lower coupon rate than non-convertible bonds (compensated by equity upside potential), a fixed conversion ratio set at issuance, and hybrid characteristics providing downside protection (bond floor) with upside participation (stock appreciation). Conversion makes sense when stock price exceeds parity price.

Example

A tech company issues a $1,000 convertible bond with a 3% coupon and conversion ratio of 20 shares. An investor receives $30 annual interest and can convert into 20 shares anytime. If the stock trades at $60, conversion value is $1,200 (20 × $60), exceeding the $1,000 par value. Parity price (where conversion value equals bond value) is $50 per share ($1,000 ÷ 20 shares). When stock exceeds $50, conversion becomes profitable.

Common Confusion

Students confuse who has the conversion option (bondholder chooses, not issuer who has call option), don't understand parity calculation (bond par ÷ conversion ratio = parity price), confuse convertible bonds with callable bonds (different features), or forget that lower coupon compensates for equity conversion privilege.

How This Is Tested

  • Calculating conversion ratio, parity price, and conversion value given bond and stock prices
  • Determining when conversion makes economic sense (stock price vs. parity price)
  • Understanding why convertible bonds pay lower coupons than non-convertible bonds
  • Identifying suitability for investors seeking downside protection with upside potential
  • Recognizing that bondholder (not issuer) controls conversion decision

Example Exam Questions

Test your understanding with these practice questions. Select an answer to see the explanation.

Question 1

James, age 42, is moderately aggressive and believes a mid-cap technology company will experience significant growth over the next 3-5 years, but he's concerned about downside risk if his analysis is wrong. He wants exposure to the company's potential upside while limiting losses. Which of the following securities would be MOST appropriate?

Question 2

Which of the following statements about convertible bonds is TRUE?

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Question 3

A $1,000 par convertible bond has a conversion ratio of 25 shares. The common stock is currently trading at $45 per share. What is the conversion value of the bond, and at what stock price would the bond be at parity?

Question 4

All of the following statements about convertible bonds are accurate EXCEPT

Question 5

A company issues a $1,000 convertible bond with a 4% coupon, convertible into 20 shares of common stock. The stock currently trades at $55 per share, and comparable non-convertible bonds yield 6%. Which of the following statements are TRUE?

1. The conversion value exceeds the bond's par value
2. The bond pays a lower coupon than non-convertible bonds to compensate for the conversion feature
3. Converting now would be economically beneficial compared to holding the bond
4. The issuer can force the bondholder to convert into stock

💡 Memory Aid

Think of convertible bonds as a backstage pass with an upgrade option: You paid for a regular seat (bond with coupon), but you can convert to front row (stock) if the band gets popular. Key: YOU choose when to upgrade (bondholder's option, not issuer's), and you paid less for the ticket (lower coupon) because of the upgrade privilege. Parity = Break-even point ($1,000 bond ÷ 20 shares = $50 parity price).

Related Concepts

This term is part of this cluster:

Where This Appears on the Exam

This term is tested in the following Series 65 exam topics:

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