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We hear about Silicon Valley executives who pocket millions when they leave their companies or Wall Street traders who make a killing when the stock market moves a few points. What alchemy creates such unbelievable returns? The answer: stock options. Stock options are essentially contracts to buy or sell shares of stock at a certain price, within a certain amount of time. Options to buy stock are known as call options and options to sell stock are known as put options. In this article, we’ll review the basics of the call option which allows an investor, trader or even the fortunate executive in a company to profit from the upward movement in a company’s stock price.

Suppose you are interested in investing in Bailout Industries. Their stock is currently trading at $10 per share and you believe it could go as high as $15 per share in the next year. In order to buy 100 shares of Bailout stock, you’ll need to shell out $1,000. If the stock were to reach $15, you could sell the stock for $1,500 and pocket a cool $500 profit. Now, consider what can be achieved if you buy the call options. The December 2010 $10 call option is currently selling for $1. In other words, a contract to buy one share of stock at $10 before December of 2010 is priced at $1. With $1,000, you could buy 1,000 call options. So what happens if you buy the call options and the stock does reach $15 next December? Your position is now worth $5,000! Not bad for a $1,000 investment. Sound too good to be true? Well, it can be.

The problem with call options is that they are simply contracts. When the terms of the contract are not met, they are essentially worthless. If Bailout stock falls below $10 and remains there at the time of expiration, the options are worthless and you’ve lost your $1,000. In future articles, we will take a look at put options and option valuation.

Recently we discussed the Comparable Multiple method of valuation. In this article, we will take a look at the more complex Discounted Cash Flow (DCF) method of valuation.

The DCF method is based on the idea that a company, or any asset for that matter, is valued based on its future cash flows (or some variation of cash flow). In other words, an asset is worth the aggregate of what it produces over time. In theory, this makes sense. If you buy a beach house and plan to rent it, the value to you is based on the future rental payments. A factor that must be addressed, however, is that because of the time value of money, which we talked about in a recent article, future payments are worth less in today’s dollars than their nominal value when they’ll be received.

So what does all of this have to do with the DCF method of valuation? In a DCF model, all projected future payments are discounted using a fairly simple formula to determine present values (in today’s dollars). The more complicated part is determining the discount rate to use, and this is often very subjective. We’ll usually take into account a variety of variables, including the company’s financing costs, historical volatility of the stock price and historical returns of the stock market to name a few. Depending on which assumptions are used, the resulting values will vary considerably. Additionally, the entire model is built on the premise that a company’s value is based on its future cash flow (or some variation of it). This implies that the analyst who produces the model is capable of predicting the future. One thing the financial community has taught us is that no one can truly predict the future. So just as with the Comparable Multiple method, valuation is more art than science.

Telestrat offers valuation courses in several forms, including live online, on-demand, and in-person in major cities across the U.S. Learn about the most common valuation methods, including a number of variations, as well as the underlying concepts. We also offer many other accounting and financial courses, all taught by seasoned professionals with the rare ability to distill seemingly complicated concepts into a simple, understandable form. Sign up today!