300 Part Ill: Put Option Strategies takes a nasty fall, and (2) collateral requirements are small, so it is possible to utilize a great deal of leverage. It may seem like a good idea to write out-of-the-money puts on "quality" stocks that you "wouldn't mind owning." However, any stock is subject to a crushing decline. In almost any year there are serious declines in one or more of the largest stocks in America (IBM in 1991, Procter and Gamble in 1999, and Xerox in 1999, just to name a few). If one happens to be short puts on such stocks - and worse yet, ifhe happens to have overextended himself because he had the initial mar­ gin required to sell a great deal of puts - then he could actually be wiped out on such a decline. Therefore, do not leverage your account heavily in the naked put strategy, regardless of the "quality" of the underlying stock. THE COVERED PUT SALE By definition, a put sale is covered only if the investor also owns a corresponding put with striking price equal to or greater than the strike of the written put. This is a spread. However,formargin purposes, one is covered ifhe sells a put and is also short the underlying stock. The margin required is strictly that for the short sale of the stock; there is none required for the short put. This creates a position with limited profit potential that is obtained if the underlying stock is anywhere below the strik­ ing price of the put at expiration. There is unlimited upside risk, since if the under­ lying stock rises, the short sale of stock will accrue losses, while the profit from the put sale is limited. This is really a position equivalent to a naked call write, except that the covered put writer must pay out the dividend on the underlying stock, if one exists. The naked sale of a call also has an advantage over this strategy in that com­ mission costs are considerably smaller. In addition, the time value premium of a call is generally higher than that of a put, so that the naked call writer is taking in more time premium. The covered put sale is a little-used strategy that appears to be infe­ rior to naked call writing. As a result, the strategy is not described more fully. RATIO PUT WRITING A ratio put write involves the short sale of the underlying stock plus the sale of 2 puts for each 100 shares sold short. This strategy has a profit graph exactly like that of a ratio call write, achieving its maximum profit at the striking price of the written options, and having large potential losses if the underlying stock should move too far in either direction. The ratio call write is a highly superior strategy, however, for the reasons just outlined. The ratio call writer receives dividends while the ratio put