A Strategy You Should Consider

With the explosion of option use in recent years, you may be asking yourself, "What are options, and why would anyone consider using them?"

Options represent the right (but not the obligation) to take some sort of action -- buying or selling shares of a given stock -- by a predetermined date.

There are two types of options, calls and puts. And there are two sides to every option transaction -- the party buying the option, and the party selling (also called writing) the option. Each side comes with its own risk/reward profile, and each may be in it  for different strategic reasons.

What's a call option?
A call is the option to buy the underlying stock at a predetermined price (the strike price) by a predetermined date (the expiry). The buyer of a call has the right to buy shares at the strike price until expiry. If the call buyer decides to buy -- also known as exercising the option -- the call writer is obliged to sell his/her shares to the call buyer at the strike price.

Wal-Mart (NYSE: WMT  ) , for example, appears to be powering through this recessionary holiday season, recently raising its full-year earnings guidance, staying open on Thanksgiving Day, and offering free shipping on items purchased online. An investor excited about its prospects could leverage potential gains by buying a call option with a strike price at $50, expiring in January 2013.

Today, that call would cost around $765 per 100 shares, or $7.65 per share. The call buyer has the right to exercise that option anytime between now and Jan. 18, 2013, to buy shares of the company for $55. The writer of the call would have the obligation to deliver those shares and be happy receiving $50 for them. We'll discuss the merits and motivations of each side of the trade momentarily.

What's a put option?
If a call is the right to buy, then perhaps unsurprisingly, a put is the option to sell the underlying stock at a predetermined strike price until a fixed expiration date. The put buyer has the right to sell shares at the strike price, and if he/she decides to sell, the put writer is obliged to buy at that price.

Perhaps you view the recent home foreclosure concerns as a harbinger of decline for banks with considerable potential liabilities in the event that the original mortgages are deemed improper. One name repeatedly linked to substantial losses is Bank of America (NYSE: BAC  ) . Investors could profit from a potential slide in the share price by buying a put option at, say, the $12 strike price. The buyer of the put has the right, until expiry, to sell his or her shares for $12. Sellers of the put have the obligation to purchase the shares for $12 (which could hurt, in the event that Bank of America were to decline severely).

Why use options?
Call buyers profit when the price of the underlying shares rises, because the call price will rise as the shares do. Call writers are making the opposite bet, hoping for stock price declines (or, at least, for the stock to rise less than the amount they receive for selling the call in the first place).

Put buyers profit when the underlying stock price falls, because the put price increases as the underlying stock price decreases. Conversely, put writers are hoping for the option to expire with the stock price above the strike price, or at least for the stock to decline by an amount less than what they've been paid to sell the put.

You certainly don't need options to make money in the stock market, but there are several reasons why you may want to consider using them. Calls and puts -- alone, combined with each other, or even in addition to positions in the underlying stock -- can provide various levels of leverage or protection to a portfolio.

  • Options can act as insurance to protect gains: Netflix (Nasdaq: NFLX  ) has nearly quadrupled this past year, achieving a valuation some might consider "pricey." Buying a put option can lock in those gains (minus the cost of the put, of course).
  • Options can help investors get cheaper entry prices for their stocks. Autoliv (NYSE: ALV  ) , in my view, is a quality company selling at a somewhat richer-than-I'd-like price tag. Instead of setting a limit order, you could sell puts on the stock. If the stock reaches the strike price and the put is executed, the put writer's net purchase price would be lower by the amount he or she collected. If it doesn't, the put writer pockets the amount of money for which the put was sold.
  • Options can be used to generate steady income from an underlying portfolio of blue-chip stocks. Take Microsoft (NYSE: MSFT  ) , a big, dominant, company, but one whose business is being chipped away at the margins. Microsoft's stock price has spent most of the past decade bouncing between $25 and $30. Long-term stock investors likely won't have much beyond a modest dividend to show for their patience. But a disciplined "buy-write" covered call strategy can enhance those anemic returns.
  • Or they can be employed in an attempt to double or triple your money almost overnight. This strategy's not for the faint of heart (or perhaps strong of brain). Still, buying calls on beaten-down small caps like Fossil (Nasdaq: FOSL  ) in March 2009 would have paid off handsomely.

But no matter how options are used, it's wise to always remember Robert A. Heinlein's acronym: TANSTAAFL (There Ain't No Such Thing as a Free Lunch). Insurance costs money -- money that comes out of your potential profits. Steady income comes at the cost of limiting the prospective upside of your investment. The chance for a quick double or triple has the accompanying risk of losing the money you paid for the option.

The Foolish bottom line
Remember: Calls are the right to buy a stock, and puts are the right to sell a stock. For every buyer of an option, there's a corresponding seller. Different option users may be employing different strategies.

If you're interested in using options, it's important to know how to use them appropriately in your own portfolio. To help you do just that, Motley Fool Options is releasing a free options guide -- just enter your email in the box below for more information and to receive the free report.

This article was originally published on Jan. 27, 2010. It has been updated.

Jim Gillies owns shares of and has written calls on Autoliv. Microsoft and Wal-Mart Stores are Motley Fool Inside Value selections. Netflix is a Motley Fool Stock Advisor pick. Wal-Mart Stores is a Motley Fool Global Gains recommendation. Autoliv and Fossil are Motley Fool Hidden Gems recommendations. Motley Fool Options has recommended a covered calls position on Autoliv. Motley Fool Options has recommended a diagonal call position on Microsoft. The Fool owns shares of Bank of America, Microsoft, and Wal-Mart Stores. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.


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  • Report this Comment On December 02, 2010, at 2:46 PM, faust445 wrote:

    Relating to your statement...."Take Microsoft(NYSE: MSFT), a big, dominant, company, but one whose business is being chipped away at the margins". Ok, then if you dare to say something such as this, you must also provide some details, some evidence that what you are saying is based on anything of substance. Have you seen the past two earnings reports from this company ? Do those result suggest to you that the company's business is being chipped away? If you think they do, then I (and probably most of the other readers) would be interested in understanding how you would see that.

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