What are 'Convertibles'

Convertibles are securities, usually bonds or preferred shares, that can be converted into common stock. Convertibles are most often associated with convertible bonds, which allow bond holders to convert their creditor position to that of an equity holder at an agreed-upon price. Other convertible securities can include notes and preferred shares, which can possess many different traits.

BREAKING DOWN 'Convertibles'

Convertibles are ideal for investors demanding greater potential for appreciation than bonds provide, and higher income than common stocks offer. Convertible bonds, for instance, typically offer a lower coupon than a standard bond. However, the optionality of the bond to convert to common stock adds value for the bond holder.

There are three main types of investments: debt, equity, and some hybrid form of the two. Convertible securities fall into the hybrid category because they have cash flow features of both a bond and a stock.

Like other bonds, convertible bonds are considered debt. In exchange for the use of investor funds, the company agrees to pay the investor a set rate of interest referred to as the coupon rate. Unlike other bonds, convertibles also give the holder the right to convert the bond into shares of stock.

Investors like convertibles because they offer protection against heavy losses, but they also give up some value in appreciation. Most convertible bonds are callable, which means the company can force investors to convert. In this case, the upside potential of convertibles is not unlimited.

Conversion Rate

The rate at which investors can convert bonds into stocks – that is, the number of shares an investor gets for each bond – is determined by a metric called the conversion rate. The conversion rate may be fixed or change over time depending on the terms of the offering. A conversion rate of 30 means that for every $1,000 of par value the convertible bondholder converts, she receives 30 shares of stock. It is not always profitable to convert bonds into equity. Investors can determine the breakeven price by dividing the selling price of the bond by the conversation rate.

Example Convertible Calculation

In this example, a convertible bond has a par value of $1,000 and a selling price of $800. Shares of this company are selling for $40. The share price at which the convertibility feature becomes profitable is calculated by dividing $800 by 30, the conversion rate. The answer is $26.67, which is much less than $40. An investor can decide to convert and take profit at this point. If the bond never becomes profitable, the holder receives the bond’s stated interest rate.

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