Convertible Security
What Is a Convertible Security?
A financial instrument, such as a bond or preferred stock, that can be exchanged for a specified amount of another security, typically the issuer’s common stock, at the option of the holder.
A convertible security is an investment that gives the holder the right to exchange it for another form of security from the same issuer, usually common stock. The most common forms are convertible bonds and convertible preferred stock. These instruments are hybrids, sitting between debt and equity on the risk/return spectrum. For the investor, they provide a "floor" value through fixed interest or dividend payments, ensuring a steady income stream even if the company's stock performs poorly. However, unlike standard bonds or preferred shares, convertible securities have an embedded call option on the company's stock. If the company's share price rises significantly, the value of the convertible security will increase to reflect the value of the underlying stock. This allows the investor to convert their holding into equity and participate in the capital appreciation. This dual characteristic makes them attractive during periods of high market volatility, offering a hedge against downside risk while maintaining exposure to market rallies.
Key Takeaways
- Convertible securities include convertible bonds, convertible preferred shares, and convertible debentures.
- They offer the income stability of fixed-income instruments with the growth potential of equities.
- The conversion ratio dictates how many shares are received for each unit of the security.
- Issuers benefit from lower funding costs (lower interest or dividend rates) compared to non-convertible securities.
- Investors face less downside risk than holding common stock directly while retaining upside participation.
How Convertible Securities Work
The value of a convertible security is derived from two components: its investment value (as a fixed-income instrument) and its conversion value (as equity). The conversion ratio is fixed at issuance; for example, a preferred share might be convertible into 5 shares of common stock. The conversion price is the price per share effectively paid if converted. If the market price of the common stock is below the conversion price, the security trades like a bond or preferred share, sensitive mainly to interest rates and credit quality. If the stock price rises above the conversion price, the security trades more like the stock itself. The "conversion premium" is the amount by which the market price of the convertible exceeds the current value of the shares it converts into. A lower premium suggests the security is trading closely with the stock, while a high premium indicates it is trading more on its fixed-income merits.
Important Considerations
Issuers use convertible securities to raise capital at a lower cost. Because investors receive the sweetner of potential equity upside, they accept lower interest rates (coupons) or lower dividend yields than they would for non-convertible instruments. This improves the company's cash flow. Furthermore, if conversion happens, the debt is extinguished (in the case of bonds), deleveraging the company's balance sheet without a cash repayment. However, existing shareholders face dilution risk. When securities convert, the total number of outstanding shares increases, potentially reducing earnings per share (EPS). Companies must report "diluted EPS," which calculates earnings as if all convertible securities had been converted, to give a transparent view of this potential impact.
Real-World Example: Preferred Stock Conversion
Company XYZ issues Convertible Preferred Stock at $100 par value with a 5% dividend. The conversion ratio is 4, meaning one preferred share converts to 4 common shares.
FAQs
Convertible bonds are debt; they pay interest and have a maturity date. Convertible preferred stock is equity; it pays dividends (which can be suspended) and typically has no maturity date. Bonds are higher in the capital structure (paid first in bankruptcy).
If the stock price is high, a company might call the securities to eliminate the burden of interest or dividend payments. Forced conversion clears the debt from the balance sheet and simplifies the capital structure.
A busted convertible is a convertible bond where the underlying stock price has fallen so far below the conversion price that the conversion option is essentially worthless. It trades purely as a debt instrument with a high yield.
When securities convert, more shares enter the market. This dilutes the ownership percentage of existing shareholders. However, the company often benefits from removing the debt obligation, which can balance out the negative effect of dilution.
Generally, yes, especially for large public companies. However, they may be less liquid than the company’s common stock. The market for convertibles is active among hedge funds and institutional investors specializing in arbitrage.
The Bottom Line
Convertible securities are sophisticated tools for capital structuring and investment portfolios. They bridge the gap between conservative income investing and aggressive growth strategies. By understanding conversion ratios and premiums, investors can use them to optimize risk-adjusted returns, while companies use them to minimize the cost of capital.
More in Derivatives
At a Glance
Key Takeaways
- Convertible securities include convertible bonds, convertible preferred shares, and convertible debentures.
- They offer the income stability of fixed-income instruments with the growth potential of equities.
- The conversion ratio dictates how many shares are received for each unit of the security.
- Issuers benefit from lower funding costs (lower interest or dividend rates) compared to non-convertible securities.